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Merge 3814a6b3c into dd0bd4fb6

Pull Request Pull Request #219: Initial fixes and code enhancements for 1.2.8

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/dynadjust/dynadjust/dnaimportwrapper/dnaimportwrapper.cpp

//============================================================================
// Name         : dnaimportwrapper.cpp
// Author       : Roger Fraser
// Contributors :
// Version      : 1.00
// Copyright    : Copyright 2017 Geoscience Australia
//
//                Licensed under the Apache License, Version 2.0 (the "License");
//                you may not use this file except in compliance with the License.
//                You may obtain a copy of the License at
//               
//                http ://www.apache.org/licenses/LICENSE-2.0
//               
//                Unless required by applicable law or agreed to in writing, software
//                distributed under the License is distributed on an "AS IS" BASIS,
//                WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//                See the License for the specific language governing permissions and
//                limitations under the License.
//
// Description  : DynAdjust Interoperability library Executable
//============================================================================

#include <dynadjust/dnaimportwrapper/dnaimportwrapper.hpp>
#include <include/parameters/dnaepsg.hpp>

using namespace dynadjust;
using namespace dynadjust::epsg;

bool running;
boost::mutex cout_mutex;

void PrintOutputFileHeaderInfo(std::ofstream* f_out, const string& out_file, project_settings* p, const string& header)
{
        // Print formatted header
        print_file_header(*f_out, header);

        *f_out << setw(PRINT_VAR_PAD) << left << "File name:" << system_complete(out_file).string() << endl << endl;
        
        *f_out << setw(PRINT_VAR_PAD) << left << "Command line arguments: ";
        *f_out << p->i.command_line_arguments << endl << endl;

        *f_out << setw(PRINT_VAR_PAD) << left << "Network name:" <<  p->g.network_name << endl;
        *f_out << setw(PRINT_VAR_PAD) << left << "Input folder: " << system_complete(p->g.input_folder).string() << endl;
        *f_out << setw(PRINT_VAR_PAD) << left << "Output folder: " << system_complete(p->g.output_folder).string() << endl;
        *f_out << setw(PRINT_VAR_PAD) << left << "Stations file:" << system_complete(p->i.bst_file).string() << endl;
        *f_out << setw(PRINT_VAR_PAD) << left << "Measurements file:" << system_complete(p->i.bms_file).string() << endl;
        *f_out << setw(PRINT_VAR_PAD) << left << "Associated station file:" << system_complete(p->i.asl_file).string() << endl;
        *f_out << setw(PRINT_VAR_PAD) << left << "Associated measurement file:" << system_complete(p->i.aml_file).string() << endl;
        *f_out << setw(PRINT_VAR_PAD) << left << "Duplicate stations output file:" <<  system_complete(p->i.dst_file).string() << endl;
        *f_out << setw(PRINT_VAR_PAD) << left << "Similar measurement output file:" <<  system_complete(p->i.dms_file).string() << endl;

        if (!p->i.input_files.empty())
        {
                _it_vstr _it_files(p->i.input_files.begin());
                string str("Input files:");
                while (_it_files!=p->i.input_files.end())
                {
                        *f_out << setw(PRINT_VAR_PAD) << left << str << *_it_files++ << endl;
                        str = " ";
                }
        }
        
        if (!p->i.reference_frame.empty())
                *f_out << setw(PRINT_VAR_PAD) << left << "Default reference frame:" << p->i.reference_frame << endl;
        
        if (!p->i.include_msrs.empty())
                *f_out << setw(PRINT_VAR_PAD) << left << "Strip all measurements except:" << p->i.include_msrs << endl;
        else if (!p->i.exclude_msrs.empty())
                *f_out << setw(PRINT_VAR_PAD) << left << "Strip measurement types:" << p->i.exclude_msrs << endl;

        if (p->i.exclude_insufficient_msrs == 1)
                *f_out << setw(PRINT_VAR_PAD) << left << "Exclude insufficient measurements:" << "yes" << endl;
        
        if (p->i.search_nearby_stn)
                *f_out << setw(PRINT_VAR_PAD) << left << "Search for nearby stations:" << "tolerance = " << p->i.search_stn_radius << "m" << endl;
        if (p->i.search_similar_msr)
                *f_out << setw(PRINT_VAR_PAD) << left << "Search for similar measurements:" << "yes" << endl;
        if (p->i.search_similar_msr_gx)
                *f_out << setw(PRINT_VAR_PAD) << left << "Search for similar GNSS measurements:" << "yes" << endl;
        
        if (!p->i.bounding_box.empty())
        {
                *f_out << setw(PRINT_VAR_PAD) << left << "Bounding box: " << p->i.bounding_box << endl;
                if (p->i.split_clusters)
                        *f_out << setw(PRINT_VAR_PAD) << left << "Split GNSS clusters: " << (p->i.split_clusters ? "Yes" : "No") << endl;
        }
        else 
        {
                if (!p->i.stn_associated_msr_include.empty())
                        *f_out << setw(PRINT_VAR_PAD) << left << "Stations to include: " << p->i.stn_associated_msr_include << endl;
                if (!p->i.stn_associated_msr_exclude.empty())
                        *f_out << setw(PRINT_VAR_PAD) << left << "Stations to exclude: " << p->i.stn_associated_msr_exclude << endl;

                if (p->i.split_clusters)
                        *f_out << setw(PRINT_VAR_PAD) << left << "Split GNSS clusters: " << (p->i.split_clusters ? "Yes" : "No") << endl;
        }

        if (!p->i.seg_file.empty())
                *f_out << setw(PRINT_VAR_PAD) << left << "Segmentation file:" << system_complete(p->i.seg_file).string() << endl;

        if (p->i.import_block)
                *f_out << setw(PRINT_VAR_PAD) << left << "Import stns & msrs from block: " << p->i.import_block_number << endl;
        else if (p->i.import_network)
                *f_out << setw(PRINT_VAR_PAD) << left << "Import stns & msrs from network: " << p->i.import_network_number << endl;
        
        *f_out << OUTPUTLINE << endl << endl;
}
        
int ParseCommandLineOptions(const int& argc, char* argv[], const variables_map& vm, project_settings& p)
{
        // capture command line arguments
        for (int cmd_arg(0); cmd_arg<argc; ++cmd_arg)
        {
                 p.i.command_line_arguments += argv[cmd_arg];
                 p.i.command_line_arguments += " ";
        }

        if (vm.count(PROJECT_FILE))
        {
                if (exists(p.g.project_file))
                {
                        try {
                                CDnaProjectFile projectFile(p.g.project_file, importSetting);
                                p = projectFile.GetSettings();
                        }
                        catch (const runtime_error& e) {
                                cout << endl << "- Error: " << e.what() << endl;
                                return EXIT_FAILURE;
                        }
                        
                        return EXIT_SUCCESS;
                }

                cout << endl << "- Error: project file " << p.g.project_file << " does not exist." << endl << endl;
                return EXIT_FAILURE;
        }

        if (!vm.count(IMPORT_FILE) && !vm.count(IMPORT_SEG_BLOCK) && !vm.count(IMPORT_CONTIG_NET) && !vm.count(SEG_FILE))
        {
                cout << endl << "- Nothing to do - no files specified. " << endl << endl;  
                return EXIT_FAILURE;
        }

        // Normalise files using input folder
        for_each(p.i.input_files.begin(), p.i.input_files.end(),
                [&p] (string& file) { 
                        formPath<string>(p.g.input_folder, file);
                }
        );

        //////////////////////////////////////////////////////////////////////////////
        // General options and file paths
        // Network name
        if (p.g.network_name == "network1")
        {
                // Iterate through network1, network2, network3, etc 
                // until the first name not used is found
                stringstream netname_ss;
                string networkASL;
                UINT32 networkID(1);
                
                // This loop terminates when a file name cannot be found
                while (true)
                {
                        // 1. Form ASL file and see if it exists
                        networkASL = formPath<string>(p.g.output_folder, p.g.network_name, "asl");

                        // 2. Does this network exist?
                        if (!exists(networkASL))
                                break;

                        // 3. Flush and look for the next network
                        netname_ss.str("");
                        netname_ss << "network" << ++networkID;
                        p.g.network_name = netname_ss.str();                        
                }
        }

        p.g.project_file = formPath<string>(p.g.output_folder, p.g.network_name, "dnaproj");

        // binary station file location (output)
        if (vm.count(BIN_STN_FILE))
                p.i.bst_file = formPath<string>(p.g.output_folder, p.i.bst_file);
        else
                p.i.bst_file = formPath<string>(p.g.output_folder, p.g.network_name, "bst");
        
        // binary station file location (output)
        if (vm.count(BIN_MSR_FILE))
                p.i.bms_file = formPath<string>(p.g.output_folder, p.i.bms_file);
        else
                p.i.bms_file = formPath<string>(p.g.output_folder, p.g.network_name, "bms");

        if (vm.count(IMPORT_GEO_FILE))
                p.i.import_geo_file = 1;

        // output files
        p.i.asl_file = formPath<string>(p.g.output_folder, p.g.network_name, "asl");        // associated stations list
        p.i.aml_file = formPath<string>(p.g.output_folder, p.g.network_name, "aml");        // associated measurements list
        p.i.map_file = formPath<string>(p.g.output_folder, p.g.network_name, "map");        // station names map
        p.i.dst_file = formPath<string>(p.g.output_folder, p.g.network_name, "dst");        // fuplicate stations
        p.i.dms_file = formPath<string>(p.g.output_folder, p.g.network_name, "dms");        // duplicate measurements
        p.i.imp_file = formPath<string>(p.g.output_folder, p.g.network_name, "imp");        // log
        
        //////////////////////////////////////////////////////////////////////////////
        // Ref frame options
        if (vm.count(OVERRIDE_INPUT_FRAME))
                p.i.override_input_rfame = 1;
        if (vm.count(REFERENCE_FRAME))
                p.i.user_supplied_frame = 1;

        //////////////////////////////////////////////////////////////////////////////
        // Data screening options
        if (vm.count(GET_MSRS_TRANSCENDING_BOX))
                p.i.include_transcending_msrs = 1;

        if (vm.count(SPLIT_CLUSTERS))
                p.i.split_clusters = 1;

        if (vm.count(IMPORT_SEG_BLOCK) && vm.count(IMPORT_CONTIG_NET))
        {
                cout << endl << "- Error: Cannot import stations and measurements using both options" << endl << "  --" << IMPORT_SEG_BLOCK << " and --" << IMPORT_CONTIG_NET << "." << endl <<
                        "  Please supply only one option." << endl << endl;
                return EXIT_FAILURE;
        }

        // Import stations and measurements from a block
        if (vm.count(IMPORT_SEG_BLOCK))
        {
                p.i.import_block = 1;
                if (p.i.import_block_number < 1)
                        p.i.import_block_number = 1;
        }

        // Import stations and measurements from a contiguous network
        if (vm.count(IMPORT_CONTIG_NET))
                p.i.import_network = 1;
        
        // User supplied segmentation file
        if (vm.count(SEG_FILE))
        {
                // Does it exist?
                if (!exists(p.i.seg_file))
                        // Look for it in the input folder
                        p.i.seg_file = formPath<string>(p.g.input_folder, leafStr<string>(p.i.seg_file));
        }

        // convert all single X measurements to G measurements?
        if (vm.count(PREFER_X_MSR_AS_G))
                p.i.prefer_single_x_as_g = 1;

        if (vm.count(TEST_NEARBY_STNS))
                p.i.search_nearby_stn = 1;

        if (vm.count(TEST_SIMILAR_MSRS))
                p.i.search_similar_msr = 1;

        if (vm.count(TEST_SIMILAR_GNSS_MSRS))
                p.i.search_similar_msr_gx = 1;

        if (vm.count(IGNORE_SIMILAR_MSRS))
                p.i.ignore_similar_msr = 1;

        if (vm.count(EXCLUDE_INSUFFICIENT_MSRS))
                p.i.exclude_insufficient_msrs = 1;

        if (vm.count(REMOVE_IGNORED_MSRS))
                p.i.remove_ignored_msr = 1;

        if (vm.count(FLAG_UNUSED_STNS))
                p.i.flag_unused_stn = 1;

        if (vm.count(TEST_INTEGRITY))
                p.i.test_integrity = 1;
        
        //////////////////////////////////////////////////////////////////////////////
        // GNSS scaling
        if (vm.count(VSCALE) ||
                vm.count(PSCALE) ||
                vm.count(LSCALE) ||
                vm.count(HSCALE) ||
                vm.count(SCALAR_FILE))
                p.i.apply_scaling = 1;

        if (vm.count(SCALAR_FILE))
                if (!exists(p.i.scalar_file))                        // does it exist?
                        // No.  Assume it is a filename contained in the input folder.  import will throw
                        // an exception if it cannot be found.
                        p.i.scalar_file = formPath<string>(p.g.input_folder, p.i.scalar_file);        
        
        //////////////////////////////////////////////////////////////////////////////
        // Export options
        
        if (vm.count(OUTPUT_MSR_TO_STN))
                p.o._msr_to_stn = 1;

        p.o._m2s_file = formPath<string>(p.g.output_folder, p.g.network_name, "m2s");        // measurement to stations table

        // Create file name based on the provided block number or contiguous network number
        string fileName(p.g.network_name);
        if (p.i.import_block)
        {
                stringstream blk("");
                blk << ".block-" << p.i.import_block_number;
                fileName += blk.str();
        }
        else if (p.i.import_network)
        {
                stringstream net("");
                net << ".network-" << p.i.import_network_number;
                fileName += net.str();
        }

        // Export to dynaml?
        if (vm.count(EXPORT_XML_FILES))
        {
                p.i.export_dynaml = 1;
        
                //// Export from binary
                //if (vm.count(EXPORT_FROM_BINARY))
                //        p.i.export_from_bfiles = 1;

                // single file for both stations and measurements
                if (vm.count(EXPORT_SINGLE_XML_FILE))
                {
                        p.i.export_single_xml_file = 1;
                        p.i.xml_outfile = formPath<string>(p.g.output_folder, 
                                fileName, "xml");
                }
                // unique files for stations and measurements
                else
                {
                        p.i.export_single_xml_file = 0;
                        p.i.xml_stnfile = formPath<string>(p.g.output_folder, 
                                fileName + "stn", "xml");
                        p.i.xml_msrfile = formPath<string>(p.g.output_folder, 
                                fileName + "msr", "xml");
                }
        }

        // Export dna files
        if (vm.count(EXPORT_DNA_FILES))
        {
                p.i.export_dna_files = 1;                
                p.i.dna_stnfile = formPath<string>(p.g.output_folder, 
                        fileName, "stn");
                p.i.dna_msrfile = formPath<string>(p.g.output_folder, 
                        fileName, "msr");
        }

        if (vm.count(EXPORT_ASL_FILE))
                p.i.export_asl_file = 1;
        if (vm.count(EXPORT_AML_FILE))
                p.i.export_aml_file = 1;
        if (vm.count(EXPORT_MAP_FILE))
                p.i.export_map_file = 1;
        if (vm.count(EXPORT_DISCONT_FILE))
                p.i.export_discont_file = 1;
        
        // Simulate
        if (vm.count(SIMULATE_MSR_FILE))
        {
                p.i.simulate_measurements = 1;
                p.i.simulate_msrfile = formPath<string>(p.g.output_folder,
                        p.g.network_name, "simulated.msr");
        }

        // Station renaming file
        if (vm.count(STATION_RENAMING_FILE))
                p.i.rename_stations = 1;

        return EXIT_SUCCESS;
}

void PrintMeasurementstoStations(MsrTally* parsemsrTally, dna_import* parserDynaML, 
        project_settings* p, pvASLPtr vAssocStnList)
{
        // Print measurements to stations table
        if (p->o._msr_to_stn)
        {
                if (!p->g.quiet)
                {
                        cout << "+ Printing summary of measurements connected to each station...";
                        cout.flush();
                }
                parserDynaML->PrintMeasurementsToStations(p->o._m2s_file, parsemsrTally, 
                        p->i.bst_file, p->i.bms_file, p->i.aml_file, vAssocStnList);
                if (!p->g.quiet)
                        cout << " done." << endl;
        }
}

int SearchForSimilarMeasurements(dna_import* parserDynaML, project_settings* p, std::ofstream* imp_file,
        vdnaMsrPtr* vmeasurementsTotal)
{
        std::ofstream dms_file;
        UINT32 msr;
        vdnaMsrPtr vSimilarMeasurements;
        string comment("");

        try {
                if (!p->g.quiet)
                {
                        cout << "+ Searching for similar measurements... ";
                        cout.flush();
                }
                *imp_file << "+ Searching for similar measurements... ";

                // at this stage, perform only one search option, giving preference to GNSS searching 
                // if both are provided
                if (p->i.search_similar_msr_gx)
                        msr = parserDynaML->FindSimilarGXMeasurements(vmeasurementsTotal, &vSimilarMeasurements);
                else
                        msr = parserDynaML->FindSimilarMeasurements(vmeasurementsTotal, &vSimilarMeasurements);

                if (!vSimilarMeasurements.empty())
                {
                        ostringstream ss_msg;
                        if (!p->i.ignore_similar_msr)
                                ss_msg << endl << "- Warning: ";
                        else
                                ss_msg << endl << "- Note: ";

                        ss_msg << msr << " measurement" << (msr > 1 ? "s were" : " was") << 
                                " found to be very similar (if not identical)\n  to " << 
                                (msr > 1 ? "other measurements" : "another measurement") << 
                                ".  See " << p->i.dms_file << " for details." << endl;

                        *imp_file << ss_msg.str();
                        if (!p->g.quiet)
                                cout << ss_msg.str();
                        ss_msg.str("");

                        try {
                                // Create duplicate measurements file
                                file_opener(dms_file, p->i.dms_file);
                        }
                        catch (const ios_base::failure& f) {
                                stringstream ss;
                                ss << "- Error: Could not open " << p->i.dms_file << "." << endl;
                                ss << "  Check that the file exists and that the file is not already opened." << endl << f.what();
                                if (!p->g.quiet)
                                        cout << ss.str();
                                *imp_file << ss.str();
                                imp_file->close();
                                return EXIT_FAILURE;
                        }

                        PrintOutputFileHeaderInfo(&dms_file, p->i.dms_file, p, "DUPLICATE MEASUREMENTS FILE");

                        // output message
                        dms_file << endl << "- " << msr << " measurement" << (msr > 1 ? "s were" : " was") << 
                                " found to be very similar (if not identical)\n  to " << 
                                (msr > 1 ? "other measurements." : "another measurement.  ");

                        if (p->i.ignore_similar_msr)
                                dms_file << endl << "+ These measurements have been ignored.";
                        dms_file << endl << endl;

                        // dump measurements to dms file
                        for_each (vSimilarMeasurements.begin(), vSimilarMeasurements.end(),
                                [&dms_file, &comment] (dnaMsrPtr& m) {
                                        m->WriteDynaMLMsr(&dms_file, comment);
                        });

                        dms_file.close();

                        if (p->i.ignore_similar_msr)
                                ss_msg << "  These measurements have been ignored." << endl;
                        else
                                ss_msg << endl <<
                                "  If the listed measurements are true duplicates, either remove each duplicate " << endl <<
                                "  from the measurement file and re-run " << __BINARY_NAME__ << ", or re-run " << __BINARY_NAME__ << " with the" << endl <<
                                "  --" << IGNORE_SIMILAR_MSRS << " option.  Alternatively, if each measurement " << endl <<
                                "  is unique, then call " << __BINARY_NAME__ << " without the --" << TEST_SIMILAR_MSRS << " option." << endl << endl;

                        if (!p->g.quiet)
                                cout << ss_msg.str();
                        *imp_file << ss_msg.str();

                        if (!p->i.ignore_similar_msr)
                        {
                                //imp_file->close();
                                return EXIT_SUCCESS;
                        }
                }
                else
                {
                        *imp_file << "Done. ";
                        if (!p->g.quiet)
                        {
                                cout << "Done. ";
                                cout.flush();
                        }
                }

                *imp_file << endl;
                if (!p->g.quiet)
                {
                        cout << endl;
                        cout.flush();
                }

        } 
        catch (const XMLInteropException& e) {
                cout << endl << "- Error: " << e.what() << endl;
                *imp_file << endl << "- Error: " << e.what() << endl;
                imp_file->close();
                return EXIT_FAILURE;
        }

        return EXIT_SUCCESS;

}
        

void ExportStationsandMeasurements(dna_import* parserDynaML, const project_settings& p, std::ofstream* imp_file, vifm_t* vinput_file_meta,
        vdnaStnPtr* vstationsTotal, vdnaMsrPtr* vmeasurementsTotal, const UINT32& stnCount, const UINT32& msrCount)
{
        stringstream ssEpsgWarning;
        bool displayEpsgWarning(false);
        string epsgCode(epsgStringFromName<string>(p.i.reference_frame));

        // Check inconsistent reference frames
        if ((p.i.export_dynaml || p.i.export_dna_files) && !p.i.override_input_rfame && !p.i.user_supplied_frame)
        {
                for (UINT32 i(0); i<vinput_file_meta->size(); ++i)
                {
                        if (!iequals(epsgCode, vinput_file_meta->at(i).epsgCode))
                        {
                                string inputFrame(datumFromEpsgString<string>(vinput_file_meta->at(i).epsgCode));
                                ssEpsgWarning << endl << "- Warning: The default reference frame (used for all exported files)" << endl << 
                                        "  does not match the reference frame of one or more input files. To" << endl <<
                                        "  suppress this warning, override the default reference frame using" << endl <<
                                        "  --reference-frame, or provide --override-input-ref-frame.";
                                displayEpsgWarning = true;
                                break;
                        }
                }
        }

        // Sort on original file order
        parserDynaML->SortStationsForExport(vstationsTotal);

        // DynaML file format
        if (p.i.export_dynaml && (stnCount > 0 || msrCount > 0)) 
        {                
                if (p.i.export_single_xml_file)
                {
                        // Single output file
                        if (!p.g.quiet)
                        {
                                cout << "+ Exporting stations and measurements to " << leafStr<string>(p.i.xml_outfile) << "... ";
                                cout.flush();
                        }
                        *imp_file << "+ Exporting stations and measurements to " << leafStr<string>(p.i.xml_outfile) << "... ";
                        parserDynaML->SerialiseDynaMLfromMemory(
                                vstationsTotal, vmeasurementsTotal, 
                                p.i.xml_outfile, p, vinput_file_meta, (p.i.flag_unused_stn ? true : false));
                }
                else
                {
                        // Separate output files (default)
                        if (!p.g.quiet)
                        {
                                cout << "+ Exporting stations and measurements to " << leafStr<string>(p.i.xml_stnfile) << " and " << leafStr<string>(p.i.xml_msrfile) << "... ";
                                cout.flush();
                        }
                        *imp_file << "+ Exporting stations and measurements to " << leafStr<string>(p.i.xml_stnfile) << " and " << leafStr<string>(p.i.xml_msrfile) << "... ";
                        parserDynaML->SerialiseDynaMLSepfromMemory(
                                vstationsTotal, vmeasurementsTotal,
                                p.i.xml_stnfile, p.i.xml_msrfile, p, vinput_file_meta, (p.i.flag_unused_stn ? true : false));
                }
                if (!p.g.quiet)
                {
                        cout << "Done." << endl;
                        cout.flush();
                }
                *imp_file << "Done." << endl;                
        }

        // DNA file format
        if (p.i.export_dna_files && (stnCount > 0 || msrCount > 0)) 
        {
                // Separate output files (default)
                if (!p.g.quiet)
                {
                        cout << "+ Exporting stations and measurements to " << leafStr<string>(p.i.dna_stnfile) << " and " << leafStr<string>(p.i.dna_msrfile) << "... ";
                        cout.flush();
                }
                *imp_file << "+ Exporting stations and measurements to " << leafStr<string>(p.i.dna_msrfile) << " and " << leafStr<string>(p.i.dna_msrfile) << "... ";
                parserDynaML->SerialiseDNA(
                        vstationsTotal, vmeasurementsTotal,
                        p.i.dna_stnfile, p.i.dna_msrfile, p, vinput_file_meta, (p.i.flag_unused_stn ? true : false));
                if (!p.g.quiet)
                        cout << "Done." << endl;
                *imp_file << "Done." << endl;

        }

        if (displayEpsgWarning)
        {
                cout << ssEpsgWarning.str() << endl;
                *imp_file << ssEpsgWarning.str() << endl;
                cout.flush();
        }
}

int PrepareImportSegmentedData(project_settings& p, bool& userSuppliedSegFile)
{
        // Form default seg file path
        userSuppliedSegFile = false;

        // Has the user provided a segmentation file?
        if (!p.i.seg_file.empty())
                userSuppliedSegFile = true;
        else
                p.i.seg_file = formPath<string>(p.g.input_folder, p.g.network_name, "seg");

        if (!exists(p.i.seg_file))
        {
                cout << endl << "- Error: The required segmentation file does not exist:" << endl <<
                        "         " << p.i.seg_file << endl << endl <<
                        "  Run  'segment " << p.g.network_name << "' to create a segmentation file" << endl << endl;
                return EXIT_FAILURE;
        }

        if (!exists(p.i.bst_file))
        {
                cout << endl << "- Error: The required binary station file does not exist:" << endl <<
                        "         " << p.i.bst_file << endl << endl;
                return EXIT_FAILURE;
        }

        if (!exists(p.i.bms_file))
        {
                cout << endl << "- Error: The required binary measurement file does not exist:" << endl <<
                        "         " << p.i.bms_file << endl << endl;
                return EXIT_FAILURE;
        }

        // If the user has not provided a seg file, check the meta of the default file
        if (!userSuppliedSegFile)
        {
                if (last_write_time(p.i.seg_file) < last_write_time(p.i.bst_file) ||
                        last_write_time(p.i.seg_file) < last_write_time(p.i.bms_file))
                {
                        // Has import been run after the segmentation file was created?
                        binary_file_meta_t bst_meta, bms_meta;
                        dna_io_bst bst;
                        dna_io_bms bms;
                        bst.load_bst_file_meta(p.i.bst_file, bst_meta);
                        bms.load_bms_file_meta(p.i.bms_file, bms_meta);

                        bool bst_meta_import(iequals(bst_meta.modifiedBy, __import_app_name__) ||
                                iequals(bst_meta.modifiedBy, __import_dll_name__));
                        bool bms_meta_import(iequals(bms_meta.modifiedBy, __import_app_name__) ||
                                iequals(bms_meta.modifiedBy, __import_dll_name__));

                        if ((bst_meta_import && (last_write_time(p.i.seg_file) < last_write_time(p.i.bst_file))) ||
                                (bms_meta_import && (last_write_time(p.i.seg_file) < last_write_time(p.i.bms_file))))
                        {

                                cout << endl << endl <<
                                        "- Error: The raw stations and measurements have been imported after" << endl <<
                                        "  the segmentation file was created:" << endl;

                                time_t t_bst(last_write_time(p.i.bst_file)), t_bms(last_write_time(p.i.bms_file));
                                time_t t_seg(last_write_time(p.i.seg_file));

                                cout << "   " << leafStr<string>(p.i.bst_file) << "  last modified on  " << ctime(&t_bst);
                                cout << "   " << leafStr<string>(p.i.bms_file) << "  last modified on  " << ctime(&t_bms) << endl;
                                cout << "   " << leafStr<string>(p.i.seg_file) << "  created on  " << ctime(&t_seg) << endl;
                                cout << "  Run 'segment " << p.g.network_name << " [options]' to re-create the segmentation file, or re-run" << endl <<
                                        "  the import using the " << SEG_FILE << " option if this segmentation file must\n  be used." << endl << endl;
                                return EXIT_FAILURE;
                        }
                }
        }

        return EXIT_SUCCESS;
}

int ImportSegmentedBlock(dna_import& parserDynaML, vdnaStnPtr* vStations, vdnaMsrPtr* vMeasurements, 
                StnTally* parsestnTally, MsrTally* parsemsrTally, project_settings& p)
{        
        // Form default seg file path
        bool userSuppliedSegFile(false);

        if (PrepareImportSegmentedData(p, userSuppliedSegFile) != EXIT_SUCCESS)
                return EXIT_FAILURE;

        // Import stations and measurements from a particular block
        if (!p.g.quiet)
                cout << endl << "+ Importing stations and measurements from block " << p.i.import_block_number << " of\n  " << p.i.seg_file << "... ";
        parserDynaML.ImportStnsMsrsFromBlock(vStations, vMeasurements, p);
        *parsestnTally += parserDynaML.GetStnTally();
        *parsemsrTally += parserDynaML.GetMsrTally();
        if (!p.g.quiet)
                cout << "Done. " << endl;

        // Restore seg_file to null
        if (!userSuppliedSegFile)
                p.i.seg_file = "";

        return EXIT_SUCCESS;
}

int ImportContiguousNetwork(dna_import& parserDynaML, vdnaStnPtr* vStations, vdnaMsrPtr* vMeasurements,
        StnTally* parsestnTally, MsrTally* parsemsrTally, project_settings& p)
{
        // Form default seg file path
        bool userSuppliedSegFile(false);

        if (PrepareImportSegmentedData(p, userSuppliedSegFile) != EXIT_SUCCESS)
                return EXIT_FAILURE;

        // Import stations and measurements from a particular block
        if (!p.g.quiet)
                cout << endl << "+ Importing stations and measurements from contiguous network " << p.i.import_network_number << " of\n  " << p.i.seg_file << "... ";
        parserDynaML.ImportStnsMsrsFromNetwork(vStations, vMeasurements, p);
        *parsestnTally += parserDynaML.GetStnTally();
        *parsemsrTally += parserDynaML.GetMsrTally();
        if (!p.g.quiet)
                cout << "Done. " << endl;

        // Restore seg_file to null
        if (!userSuppliedSegFile)
                p.i.seg_file = "";

        return EXIT_SUCCESS;
}
        

int ImportDataFiles(dna_import& parserDynaML, vdnaStnPtr* vStations, vdnaMsrPtr* vMeasurements,
                vdnaStnPtr* vstationsTotal, vdnaMsrPtr* vmeasurementsTotal,
                std::ofstream* imp_file, vifm_t* vinput_file_meta, StnTally* parsestnTally, MsrTally* parsemsrTally, 
                UINT32& errorCount, project_settings& p)
{
        // For consideration:  
        //        - All input files could be read concurrently using multi-thread for faster input
        //        - The number of files that can be processed concurrently should be restricted to
        //          the number of available cores
        //        - If multi-threading is to be used, then the progress thread will need to be redesigned.
        //          Currently, the progress of each file (as a percentage) is written to cout as each file
        //          is processed. If files are processed concurrently, progress reporting will need to be
        //    redesigned if multiple progress threads are writing to cout.
        //        - There is significant gain in using multi-thread.
        //        - The catch will be the need to carefully design one progress thread that captures progress
        //          of all other "read" threads (rather than one progress for each), and somehow write to 
        //          cout the respective progress.  For example, loading four files could be displayed as 
        //          follows:
        //
        //          + Parsing file1.xml (32%), file2.xml (16%), file3.xml (86%), file4.xml (56%)
        //            Done: Loaded 190 stations from file3.xml in 00.032s
        //          + Parsing file1.xml (72%), file2.xml (48%), file4.xml (91%)
        //            Done: Loaded 236 stations from file4.xml in 00.050s
        //          + Parsing file1.xml (87%), file2.xml (76%)
        //            Done: Loaded 1596 measurements from file1.xml in 01.380s
        //            Done: Loaded 3142 measurements from file2.xml in 02.034s
        //
        UINT32 stnCount(0), msrCount(0), clusterID(0);
        
        // obtain the project reference frame
        string epsgCode(epsgStringFromName<string>(p.i.reference_frame));
        
        size_t pos = string::npos;
        size_t strlen_arg = 0;
        for_each(p.i.input_files.begin(), p.i.input_files.end(),
                [&strlen_arg](string& file) {
                        if (leafStr<string>(file).length() > strlen_arg)
                                strlen_arg = leafStr<string>(file).length();
        });

        strlen_arg += (6 + PROGRESS_PERCENT_04);

        size_t i, nfiles(p.i.input_files.size());                // for each file...
        string input_file, ss, status_msg;
        vstring input_files;
        ostringstream ss_time, ss_msg;
        input_file_meta_t input_file_meta;
        milliseconds elapsed_time(milliseconds(0));
        ptime pt;

        if (!p.g.quiet)
                cout << "+ Parsing: " << endl;
        *imp_file << "+ Parsing " << endl;

        for (i=0; i<nfiles; i++)
        {
                stnCount = msrCount = 0;
                input_file = p.i.input_files.at(i);
                if (!exists(input_file))
                {
                        input_file = formPath<string>(p.g.input_folder, input_file);
                        if (!exists(input_file))
                        {        
                                cout << "- Error:  " << input_file << " does not exist" << endl;
                                return EXIT_FAILURE;
                        }
                }
                        
                input_files.push_back(input_file);
                ss = leafStr<string>(p.i.input_files.at(i)) + "... ";
                if (!p.g.quiet)
                        cout << "  " << setw(strlen_arg) << left << ss;
                *imp_file << "  " << setw(strlen_arg) << left << ss;

                running = true;
                thread_group ui_interop_threads;
                if (!p.g.quiet)
                        ui_interop_threads.create_thread(dna_import_progress_thread(&parserDynaML, &p));
                ui_interop_threads.create_thread(dna_import_thread(&parserDynaML, &p, input_file,
                        vStations, &stnCount, vMeasurements, &msrCount,
                        &clusterID, &input_file_meta, &status_msg,
                        &elapsed_time));
                ui_interop_threads.join_all();

                switch (parserDynaML.GetStatus())
                {
                case PARSE_EXCEPTION_RAISED:
                        *imp_file << endl << status_msg;
                        running = false;
                        return EXIT_FAILURE;
                        break;
                case PARSE_UNRECOGNISED_FILE:
                        *imp_file << status_msg << endl;
                        errorCount++;
                        continue;
                case PARSE_SUCCESS:
                        running = false;
                        break;
                default:
                        errorCount++;
                        cout << endl;
                        continue;
                }

                vinput_file_meta->push_back(input_file_meta);

                ss_time.str("");

                if (stnCount > 0 || msrCount > 0) // stations or measurements only
                {                        
                        ss_time << "  Done. Loaded ";
                        if (stnCount)
                                ss_time << stnCount << " stations";
                        if (stnCount && msrCount)
                                ss_time << " and ";
                        if (msrCount)
                                ss_time << msrCount << " measurements";
                        ss_time << " in ";
                                
                        pt = ptime(gregorian::day_clock::local_day(), elapsed_time);
                        if (elapsed_time < seconds(3))
                        {
                                time_facet* facet(new time_facet("%s"));
                                ss_time.imbue(locale(ss_time.getloc(), facet));
                                ss_time << pt << "s";                        
                        }
                        else if (elapsed_time < seconds(61))
                        {                
                                time_facet* facet(new time_facet("%S"));
                                ss_time.imbue(locale(ss_time.getloc(), facet));
                                ss_time << pt << "s";
                        }
                        else
                                ss_time << elapsed_time;

                        string time_message = ss_time.str();
                        while ((pos = time_message.find("0s")) != string::npos)
                                time_message = time_message.substr(0, pos) + "s";

                        if ((pos = time_message.find(" 00.")) != string::npos)
                                time_message = time_message.replace(pos, 4, " 0.");
                        if ((pos = time_message.find(" 0.s")) != string::npos)
                                time_message = time_message.replace(pos, 4, " 0s");

                        if (!p.g.quiet)
                        {
                                if (isatty(fileno(stdout)))
                                        cout << PROGRESS_BACKSPACE_04;
                                cout << time_message << endl;
                        }
                        *imp_file << time_message << endl;

                        // Produce a warning if the input file's default reference frame
                        // is different to the project reference frame
                        string inputFileEpsg;
                        try {
                                inputFileEpsg = datumFromEpsgString<string>(input_file_meta.epsgCode);
                        }
                        catch (...) {
                                inputFileEpsg = epsgCode;
                        }

                        if (!iequals(epsgCode, input_file_meta.epsgCode))
                        {
                                stringstream ssEpsgWarning;
                                
                                ssEpsgWarning << "- Warning: Input file reference frame (" << inputFileEpsg <<
                                        ") does not match the " << endl << "  default reference frame.";
                                if (!p.g.quiet)
                                        cout << ssEpsgWarning.str() << endl;
                                *imp_file << ssEpsgWarning.str() << endl;
                        }
                }

                // Handle discontinuities for non-sinex files, if and only if a discontinuity file has been loaded.
                // NOTE: If a station is marked as a discontinuity site, and that same station is in the renaming
                // file, station renaming for that site will not occur.  This is because the site name will be changed
                // to <site-name>_yyyymmdd.
                // If renaming must still occur, then it might be possible to rename using the first part of the name.
                

                if (stnCount > 0) // stations only
                {
                        //vstationsTotal.reserve(vstationsTotal.size() + stnCount);
                        // combine stations and station tally
                        vstationsTotal->insert(vstationsTotal->end(), vStations->begin(), vStations->end());
                        *parsestnTally += parserDynaML.GetStnTally();
                        vStations->clear();
                }
                if (msrCount > 0) // measurements only
                {                
                        //vmeasurementsTotal.reserve(vmeasurementsTotal.size() + msrCount);
                        // combine measurements
                        vmeasurementsTotal->insert(vmeasurementsTotal->end(), vMeasurements->begin(), vMeasurements->end());
                        *parsemsrTally += parserDynaML.GetMsrTally();
                        vMeasurements->clear();
                }
        }

        if (errorCount == nfiles || (vstationsTotal->empty() && vmeasurementsTotal->empty()))
                return EXIT_FAILURE;

        running = false;
        return EXIT_SUCCESS;
}

int main(int argc, char* argv[])
{
        // create banner message
        string cmd_line_banner;
        fileproc_help_header(&cmd_line_banner);

        project_settings p;

        variables_map vm;
        positional_options_description positional_options;

        options_description standard_options("+ " + string(ALL_MODULE_STDOPT), PROGRAM_OPTIONS_LINE_LENGTH);
        options_description ref_frame_options("+ " + string(IMPORT_MODULE_FRAME), PROGRAM_OPTIONS_LINE_LENGTH);
        options_description data_screening_options("+ " + string(IMPORT_MODULE_SCREEN), PROGRAM_OPTIONS_LINE_LENGTH);
        options_description gnss_scaling_options("+ " + string(IMPORT_MODULE_GNSS_VAR), PROGRAM_OPTIONS_LINE_LENGTH);
        options_description simulation_options("+ " + string(IMPORT_MODULE_SIMULATE), PROGRAM_OPTIONS_LINE_LENGTH);
        options_description output_options("+ " + string(ALL_MODULE_OUTPUT), PROGRAM_OPTIONS_LINE_LENGTH);
        options_description export_options("+ " + string(ALL_MODULE_EXPORT), PROGRAM_OPTIONS_LINE_LENGTH);
        options_description generic_options("+ " + string(ALL_MODULE_GENERIC), PROGRAM_OPTIONS_LINE_LENGTH);

        string cmd_line_usage("+ ");
        cmd_line_usage.append(__BINARY_NAME__).append(" usage:  ").append(__BINARY_NAME__).append(" [options] [files]...");
        options_description allowable_options(cmd_line_usage, PROGRAM_OPTIONS_LINE_LENGTH);

        try {
                // Declare a group of options that will be 
                // allowed only on command line                
                standard_options.add_options()
                        (PROJECT_FILE_P, value<string>(&p.g.project_file),
                                "Project file name. Full path to project file. If none specified, a new file is created using input-folder and network-name.  If a project file exists, the file is used to set all command line options.")
                        (NETWORK_NAME_N, value<string>(&p.g.network_name), 
                                "Network name. User defined name for all input and output files. Default is \"network#\", where # is incremented until the first available network is reached.")
                        (IMPORT_FILE_F, value< vstring >(&p.i.input_files), 
                                "Station and measurement input file(s). Switch is not required.")
                        (IMPORT_GEO_FILE_G, value<string>(&p.i.geo_file),
                                "Import DNA geoid file.")
                        (INPUT_FOLDER_I, value<string>(&p.g.input_folder),
                                "Path containing all input files.")
                        (OUTPUT_FOLDER_O, value<string>(&p.g.output_folder),                // default is ./,
                                "Path for all output files.")
                        (BIN_STN_FILE_S, value<string>(&p.i.bst_file),
                                "Binary station output file name. Overrides network name.")
                        (BIN_MSR_FILE_M, value<string>(&p.i.bms_file),
                                "Binary measurement output file name. Overrides network name.")
                        ;

                ref_frame_options.add_options()
                        (REFERENCE_FRAME_R, value<string>(&p.i.reference_frame), 
                        (string("Default reference frame for all stations and measurements, and for preliminary reductions on the ellipsoid when input files do not specify a reference frame. Default is ") +
                                p.i.reference_frame + ".").c_str())
                        (OVERRIDE_INPUT_FRAME,
                                "Override the reference frame specified for each measurement in input files.")
                        ;

                data_screening_options.add_options()
                        (BOUNDING_BOX, value<string>(&p.i.bounding_box),
                                "Import stations and measurements within bounding box. arg is a comma delimited string \"lat1,lon1,lat2,lon2\" (in dd.mmss) defining the upper-left and lower-right limits.")
                        (GET_MSRS_TRANSCENDING_BOX,
                                "Include measurements which transcend bounding box, including associated stations.")
                        (INCLUDE_STN_ASSOC_MSRS, value<string>(&p.i.stn_associated_msr_include),
                                "Include stations and all associated measurements. arg is a comma delimited string \"stn 1,stn 2,stn 3,...,stn N\" of the stations to include.")
                        (EXCLUDE_STN_ASSOC_MSRS, value<string>(&p.i.stn_associated_msr_exclude),
                                "Exclude stations and all associated measurements. arg is a comma delimited string \"stn 1,stn 2,stn 3,...,stn N\" of the stations to exclude.")
                        (SPLIT_CLUSTERS,
                                "Allow bounding-box or get-stns-and-assoc-msrs to split GNSS point and baseline cluster measurements.")
                        (IMPORT_SEG_BLOCK, value<UINT32>(&p.i.import_block_number),
                                "Extract stations and measurements from this block.")
                        (IMPORT_CONTIG_NET, value<UINT32>(&p.i.import_network_number),
                                "Extract stations and measurements from this contiguous network.")
                        (SEG_FILE, value<string>(&p.i.seg_file),
                                "Network segmentation input file. Filename overrides network name.")
                        (PREFER_X_MSR_AS_G,
                                "Import single baseline cluster measurements (X) as single baselines (G).")
                        (INCLUDE_MSRS, value<string>(&p.i.include_msrs),
                                "Import the specified measurement types. arg is a non-delimited string of measurement types (eg \"GXY\").")
                        (EXCLUDE_MSRS, value<string>(&p.i.exclude_msrs),
                                "Exclude the specified measurement types. arg is a non-delimited string of measurement typs (eg \"IJK\").")
                        (STATION_RENAMING_FILE, value<string>(&p.i.stn_renamingfile),
                                "Station renaming file")
                        (STATION_DISCONTINUITY_FILE, value<string>(&p.i.stn_discontinuityfile),
                                "Station discontinuity file.  Applies discontinuity dates to station names in station and measurement files.")
                        (TEST_NEARBY_STNS,
                                "Search for nearby stations.")
                        (TEST_NEARBY_STN_DIST, value<double>(&p.i.search_stn_radius),
                                (string("Specify the radius of the circle within which to search for nearby stations.  Default is ")+
                                StringFromT(STN_SEARCH_RADIUS)+string("m")).c_str())
                        (TEST_SIMILAR_GNSS_MSRS,
                                "Search and provide warnings for GNSS baselines (G) and baseline clusters (X) which appear to have been derived from the same source data.")
                        (TEST_SIMILAR_MSRS,
                                "Search and provide warnings for similar measurements.")
                        (EXCLUDE_INSUFFICIENT_MSRS,
                                "Exclude measurements which do not sufficiently constrain a station in two dimensions.")
                        (IGNORE_SIMILAR_MSRS,
                                "Ignore similar measurements.")
                        (REMOVE_IGNORED_MSRS,
                                "Remove ignored measurements.")
                        (FLAG_UNUSED_STNS,
                                "Mark unused stations in binary file.  Stations marked will be excluded from any further processing.")
                        (TEST_INTEGRITY,
                                "Test the integrity of the association lists and binary files.")
                        ;

                gnss_scaling_options.add_options()
                        (VSCALE, value<double>(&p.i.vscale),
                                (string("Global variance (v) matrix scalar for all GNSS measurements.  Replaces existing scalar.  Default is ")+
                                StringFromT(p.i.vscale)+string(".")).c_str())
                        (PSCALE, value<double>(&p.i.pscale),
                                (string("Latitude (p=phi) variance matrix scalar for all GNSS measurements.  Replaces existing scalar.  Default is ")+
                                StringFromT(p.i.pscale)+string(".")).c_str())
                        (LSCALE, value<double>(&p.i.lscale),
                                (string("Longitude (l=lambda) variance matrix scalar for all GNSS measurements.  Replaces existing scalar.  Default is ")+
                                StringFromT(p.i.lscale)+string(".")).c_str())
                        (HSCALE, value<double>(&p.i.hscale),
                                (string("Height (h) variance matrix scalar for all GNSS measurements.  Replaces existing scalar.  Default is ")+
                                StringFromT(p.i.hscale)+string(".")).c_str())
                        (SCALAR_FILE, value<string>(&p.i.scalar_file),
                                "File containing v, p, l and h scalars for GNSS baseline measurements between specific station pairs.  Scalar file values do not apply to GNSS point or baseline clusters.")
                        ;

                output_options.add_options()
                        (OUTPUT_MSR_TO_STN,
                                "Output summary of measurements connected to each station.")
                        (OUTPUT_MSR_TO_STN_SORTBY, value<UINT16>(&p.o._sort_msr_to_stn),
                                string("Sort order for measurement to stations summary.\n  " +
                                        StringFromT(orig_stn_sort_ui) + ": Original station order (default)\n  " +
                                        StringFromT(meas_stn_sort_ui) + ": Measurement count").c_str())
                        ;

                export_options.add_options()
                        (EXPORT_XML_FILES,
                                "Export stations and measurements to DynaML (DynAdjust XML) format.")
                        (EXPORT_SINGLE_XML_FILE,
                                "Create a single DynaML file for stations and measurements.")
                        // Nice, but somewhat redundant functionality that offers no
                        // benefit to the user
                        //(EXPORT_FROM_BINARY,
                        //        "Create DynaML output file using binary files. Default option uses internal memory.")
                        (EXPORT_DNA_FILES,
                                "Export stations and measurements to DNA STN and MSR format.")
                        (EXPORT_ASL_FILE,
                                "Export the ASL file as raw text.")
                        (EXPORT_AML_FILE,
                                "Export the AML file as raw text.")
                        (EXPORT_MAP_FILE,
                                "Export the MAP file as raw text.")
                        (EXPORT_DISCONT_FILE,
                                "Export discontinuity information as raw text.")
                        ;

                simulation_options.add_options()
                        (SIMULATE_MSR_FILE,
                                "Simulate exact measurements corresponding to the input measurements using the coordinates in the station file. To apply geoid--ellipsoid separations and deflections of the vertical to the simulated measurements, introduce a geoid file using the --geo-file option.")
                        ;

                generic_options.add_options()
                        (VERBOSE, value<UINT16>(&p.g.verbose),
                                string("Give detailed information about what ").append(__BINARY_NAME__).append(" is doing.\n  0: No information (default)\n  1: Helpful information\n  2: Extended information\n  3: Debug level information").c_str())
                        (QUIET,
                                string("Suppresses all explanation of what ").append(__BINARY_NAME__).append(" is doing unless an error occurs.").c_str())
                        (VERSION_V, "Display the current program version.")
                        (HELP_H, "Show this help message.")
                        (HELP_MODULE, value<string>(),
                                "Provide help for a specific help category.")
                        ;

                allowable_options.add(standard_options).add(ref_frame_options).add(data_screening_options).add(gnss_scaling_options).add(simulation_options).add(output_options).add(export_options).add(generic_options);

                // add "positional options" to handle command line tokens which have no option name
                positional_options.add(IMPORT_FILE, -1);
                
                command_line_parser parser(argc, argv);
                store(parser.options(allowable_options).positional(positional_options).run(), vm);
                notify(vm);
        }
        catch(const std::exception& e) 
        {
                cout << "- Error: " << e.what() << endl;
                cout << cmd_line_banner << allowable_options << endl;
                return EXIT_FAILURE;
        }
        catch (...) 
        {
                cout << "+ Exception of unknown type!\n";
                return EXIT_FAILURE;
        }

        if (argc < 2)
        {
                cout << endl << "- Nothing to do - no options provided. " << endl << endl;  
                cout << cmd_line_banner << allowable_options << endl;
                return EXIT_FAILURE;
        }

        if (vm.count(VERSION))
        {
                cout << cmd_line_banner << endl;
                return EXIT_SUCCESS;
        }

        if (vm.count(HELP))
        {
                cout << cmd_line_banner << allowable_options << endl;
                return EXIT_SUCCESS;
        }

        if (vm.count(HELP_MODULE)) 
        {
                cout << cmd_line_banner;
                string original_text = vm[HELP_MODULE].as<string>();
                string help_text = str_upper<string>(original_text);
                
                if (str_upper<string, char>(ALL_MODULE_STDOPT).find(help_text) != string::npos) {
                        cout << standard_options << endl;
                }
                else if (str_upper<string, char>(IMPORT_MODULE_FRAME).find(help_text) != string::npos) {
                        cout << ref_frame_options << endl;
                } 
                else if (str_upper<string, char>(IMPORT_MODULE_SCREEN).find(help_text) != string::npos) {
                        cout << data_screening_options << endl;
                } 
                else if (str_upper<string, char>(IMPORT_MODULE_GNSS_VAR).find(help_text) != string::npos) {
                        cout << gnss_scaling_options << endl;
                } 
                else if (str_upper<string, char>(IMPORT_MODULE_SIMULATE).find(help_text) != string::npos) {
                        cout << simulation_options << endl;
                } 
                else if (str_upper<string, char>(ALL_MODULE_OUTPUT).find(help_text) != string::npos) {
                        cout << output_options << endl;
                } 
                else if (str_upper<string, char>(ALL_MODULE_EXPORT).find(help_text) != string::npos) {
                        cout << export_options << endl;
                } 
                else if (str_upper<string, char>(ALL_MODULE_GENERIC).find(help_text) != string::npos) {
                        cout << generic_options << endl;
                } 
                else {
                        cout << endl << "- Error: Help module '" <<
                                original_text << "' is not in the list of options." << endl;
                        return EXIT_FAILURE;
                }

                return EXIT_SUCCESS;
        }

        bool userSuppliedSegFile(false);
        if (!p.i.seg_file.empty())
                userSuppliedSegFile = true;
        bool userSuppliedBstFile(false);
        if (!p.i.bst_file.empty())
                userSuppliedBstFile = true;
        bool userSuppliedBmsFile(false);
        if (!p.i.bms_file.empty())
                userSuppliedBmsFile = true;

        if (ParseCommandLineOptions(argc, argv, vm, p) != EXIT_SUCCESS)
                return EXIT_FAILURE;

        UINT32 errorCount(0);
        bool stn_map_created = false, measurements_mapped = false;

        string input_file;
        vstring input_files;
        string status_msg;

        std::ofstream imp_file;
        try {
                // Create import log file.  Throws runtime_error on failure.
                file_opener(imp_file, p.i.imp_file);
        }
        catch (const runtime_error& e) {
                stringstream ss;
                ss << "- Error: Could not open " << p.i.imp_file << ". \n  Check that the file exists and that the file is not already opened." << endl;
                cout << ss.str() << e.what() << endl;
                return EXIT_FAILURE;
        }

        vdnaStnPtr vStations, vstationsTotal;
        vdnaMsrPtr vMeasurements, vmeasurementsTotal;
        vdnaMsrPtr::iterator _itm;
        vASLPtr associatedSL;
        vUINT32 associatedML;
        v_string_uint32_pair vStnsMap_sortName;        // Station Name Map sorted on name (string)
        
        vstationsTotal.clear();
        vmeasurementsTotal.clear();

        if (vm.count(QUIET))
                p.g.quiet = 1;
        
        if (!p.g.quiet)
        {
                cout << endl << cmd_line_banner;

                cout << "+ Options:" << endl; 
                cout << setw(PRINT_VAR_PAD) << left << "  Network name: " <<  p.g.network_name << endl;
                cout << setw(PRINT_VAR_PAD) << left << "  Input folder: " << p.g.input_folder << endl;
                cout << setw(PRINT_VAR_PAD) << left << "  Output folder: " << p.g.output_folder << endl;
                cout << setw(PRINT_VAR_PAD) << left << "  Associated station file: " << p.i.asl_file << endl;
                cout << setw(PRINT_VAR_PAD) << left << "  Associated measurement file: " << p.i.aml_file << endl;
                cout << setw(PRINT_VAR_PAD) << left << "  Binary station output file: " << p.i.bst_file << endl;
                cout << setw(PRINT_VAR_PAD) << left << "  Binary measurement output file: " << p.i.bms_file << endl;
                
                if (!p.i.reference_frame.empty())
                        cout << setw(PRINT_VAR_PAD) << left << "  Default reference frame:" << p.i.reference_frame << endl;
        
                if (p.i.override_input_rfame)
                        cout << setw(PRINT_VAR_PAD) << left << "  Override input file ref frame:" << yesno_string(p.i.override_input_rfame) << endl;

                if (p.i.export_dynaml)
                {
                        if (p.i.export_single_xml_file)
                                cout << setw(PRINT_VAR_PAD) << left << "  DynaML output file: " << p.i.xml_outfile << endl;
                        else
                        {
                                cout << setw(PRINT_VAR_PAD) << left << "  DynaML station file: " << p.i.xml_stnfile << endl;
                                cout << setw(PRINT_VAR_PAD) << left << "  DynaML measurement file: " << p.i.xml_msrfile << endl;
                        }                                
                }
                if (p.i.export_dna_files)
                {
                        cout << setw(PRINT_VAR_PAD) << left << "  DNA station file: " << p.i.dna_stnfile << endl;
                        cout << setw(PRINT_VAR_PAD) << left << "  DNA measurement file: " << p.i.dna_msrfile << endl;
                }

                if (p.i.simulate_measurements)
                {
                        cout << setw(PRINT_VAR_PAD) << left << "  DNA simulated msr file: " << p.i.simulate_msrfile << endl;
                }
                
                if (!p.i.bounding_box.empty())
                {
                        cout << setw(PRINT_VAR_PAD) << left << "  Bounding box: " << p.i.bounding_box << endl;
                        if (p.i.split_clusters)
                                cout << setw(PRINT_VAR_PAD) << left << "  Split GNSS clusters: " << (p.i.split_clusters ? "Yes" : "No") << endl;
                }
                else
                {
                        if (!p.i.stn_associated_msr_include.empty())
                                cout << setw(PRINT_VAR_PAD) << left << "  Stations to include: " << p.i.stn_associated_msr_include << endl;
                        if (!p.i.stn_associated_msr_exclude.empty())
                                cout << setw(PRINT_VAR_PAD) << left << "  Stations to exclude: " << p.i.stn_associated_msr_exclude << endl;
                        
                        if (p.i.split_clusters)
                                cout << setw(PRINT_VAR_PAD) << left << "  Split GNSS clusters: " << (p.i.split_clusters ? "Yes" : "No") << endl;
                }
                
                if (p.i.import_block)
                {
                        if (!p.i.seg_file.empty())
                                cout << setw(PRINT_VAR_PAD) << left << "  Segmentation file: " << p.i.seg_file << endl;
                        cout << setw(PRINT_VAR_PAD) << left << "  Import stns & msrs from block: " << p.i.import_block_number << endl;
                }
                else if (p.i.import_network)
                {
                        if (!p.i.seg_file.empty())
                                cout << setw(PRINT_VAR_PAD) << left << "  Segmentation file: " << p.i.seg_file << endl;
                        cout << setw(PRINT_VAR_PAD) << left << "  Import stns & msrs from network: " << p.i.import_network_number << endl;
                }

                if (!p.i.scalar_file.empty())
                        cout << setw(PRINT_VAR_PAD) << left << "  GNSS baseline scalar file: " << p.i.scalar_file << endl;
                
                cout << endl;
        }

        PrintOutputFileHeaderInfo(&imp_file, p.i.imp_file, &p, "DYNADJUST IMPORT LOG FILE");

        dna_import parserDynaML;
        MsrTally parsemsrTally;
        StnTally parsestnTally;

        CDnaProjection projection(UTM);

        vifm_t vinput_file_meta;

        // First things first!
        // Set the 'default' reference frame for the binary station and measurement files
        try {
                // Initialise the 'default' datum for the project.
                parserDynaML.InitialiseDatum(p.i.reference_frame);
        }
        catch (const XMLInteropException& e) {
                stringstream ss;
                ss << "- Error: ";
                cout << ss.str() << e.what() << endl;
                return EXIT_FAILURE;
        }

        // obtain the project reference frame
        UINT32 epsgCode(epsgCodeFromName<UINT32>(p.i.reference_frame));

        // set the default output reference frame and epoch, so that
        // if adjust is called without reftran, it reflects the datum 
        // supplied on import
        p.r.reference_frame = p.i.reference_frame;
        p.r.epoch = referenceepochFromEpsgCode<UINT32>(epsgCode);

        ///////////////////////////////////////////////////////////////////////////////////////////////////////////
        // start "total" time
        cpu_timer time;
        
        
        // Import discontinuity file and apply discontinuities
        // Due to the structure and format of SINEX files, it is essential that
        // discontinuities be parsed prior to reading any SINEX files.
        if (vm.count(STATION_DISCONTINUITY_FILE))
        {
                p.i.apply_discontinuities = true;
                
                // Does it exist?
                if (!exists(p.i.stn_discontinuityfile))
                {
                        path discontPath(p.i.stn_discontinuityfile);
                        stringstream ss;
                        ss << "- Warning: The station discontinuity file " << discontPath.filename().string() << " does not exist... ignoring discontinuity input." << endl;
                        imp_file << endl << ss.str();
                }
                else
                {
                        if (!p.g.quiet)
                        {
                                cout << "+ Importing station discontinuities from " << p.i.stn_discontinuityfile << "... ";
                                cout.flush();
                        }
                        imp_file << "+ Importing station discontinuities from " << p.i.stn_discontinuityfile << "... ";

                        parserDynaML.ParseDiscontinuities(p.i.stn_discontinuityfile);

                        if (!p.g.quiet)
                                cout << "Done." << endl;
                        imp_file << "Done." << endl;
                }

                if (p.i.export_discont_file)
                {
                        if (!p.g.quiet)
                        {
                                cout << "+ Exporting discontinuity information to text file... ";
                                cout.flush();
                        }
                        imp_file << "+ Exporting discontinuity information to text file... ";
                        parserDynaML.SerialiseDiscontTextFile(p.i.stn_discontinuityfile);
                        if (!p.g.quiet)
                        {
                                cout << "Done." << endl;
                                cout.flush();
                        }
                        imp_file << "Done." << endl;
                }
        }

        // Import network information based on a segmentation block?
        if (p.i.import_block)
        {
                imp_file << "+ Extracting stations and measurements from segmented block " << 
                        p.i.import_block_number << "... ";
                
                if (ImportSegmentedBlock(parserDynaML, &vstationsTotal, &vmeasurementsTotal, 
                        &parsestnTally, &parsemsrTally, p) != EXIT_SUCCESS)
                        return EXIT_FAILURE;

                imp_file << "Done." << endl;
        }
        // Import network information based on a contiguous network?
        else if (p.i.import_network)
        {
                imp_file << "+ Extracting stations and measurements from contiguous network " <<
                        p.i.import_network_number << "... ";
                
                if (ImportContiguousNetwork(parserDynaML, &vstationsTotal, &vmeasurementsTotal,
                        &parsestnTally, &parsemsrTally, p) != EXIT_SUCCESS)
                        return EXIT_FAILURE;

                imp_file << "Done." << endl;
        }
        // Import data as normal
        else
        {
                // Import all data as-is.
                // All filtering is performed later below
                if (ImportDataFiles(parserDynaML, &vStations, &vMeasurements, &vstationsTotal, &vmeasurementsTotal,
                        &imp_file, &vinput_file_meta, &parsestnTally, &parsemsrTally, errorCount, p) != EXIT_SUCCESS)
                        return EXIT_FAILURE;
        }        

        if (!p.g.quiet)
                cout << endl;

        // Now, set the 'default' epoch in the binary station and measurement files
        try {
                // Initialise the 'default' datum for the project.
                parserDynaML.UpdateEpoch(&vinput_file_meta);
        }
        catch (const XMLInteropException& e) {
                stringstream ss;
                ss << "- Error: ";
                cout << ss.str() << e.what() << endl;
                return EXIT_FAILURE;
        }

        vstring vPoorlyConstrainedStns;

        // Exclude measurements that do not sufficiently (in themselves) allow for a station to be estimated
        if (p.i.exclude_insufficient_msrs == 1)
        {
                size_t msrCount = vmeasurementsTotal.size();
                if (!p.g.quiet)
                {
                        cout << "+ Identifying stations with insufficient measurements";
                        cout.flush();
                }
                imp_file << "+ Identifying stations with insufficient measurements...";
                parserDynaML.IgnoreInsufficientMeasurements(&vstationsTotal, &vmeasurementsTotal, &vPoorlyConstrainedStns);
                if (!p.g.quiet)
                {
                        cout << " Done. " << endl;
                        if (msrCount > vmeasurementsTotal.size())
                                cout << "+ Removed " << (msrCount - vmeasurementsTotal.size()) << " measurements which alone do not sufficiently allow for" << endl <<
                                        "  the estimation of 2D coordinates." << endl;

                }
                imp_file << " Done. " << endl;
                if (msrCount > vmeasurementsTotal.size())
                        imp_file << "+ Removed " << (msrCount - vmeasurementsTotal.size()) << " measurements which alone do not sufficiently allow for" << endl <<
                                "  the estimation of 2D coordinates." << endl;

                if (!vPoorlyConstrainedStns.empty())
                {
                        if (vPoorlyConstrainedStns.size() == 1)
                        {
                                if (p.g.verbose > 2)
                                {
                                        if (!p.g.quiet)
                                                cout << "- Warning: station " << vPoorlyConstrainedStns.at(0) << " is not associated with sufficient measurements." << endl;
                                        imp_file << "- Warning: station " << vPoorlyConstrainedStns.at(0) << " is not associated with sufficient measurements." << endl;
                                }
                                else
                                {
                                        if (!p.g.quiet)
                                                cout << "- Warning: 1 station is not associated with sufficient measurements." << endl;
                                        imp_file << "- Warning: 1 station is not associated with sufficient measurements." << endl;
                                }
                        }
                        else
                        {
                                if (p.g.verbose > 2)
                                {
                                        if (!p.g.quiet)
                                                cout << "- Warning: The following " << vPoorlyConstrainedStns.size() << " stations are not associated with sufficient measurements." << endl;
                                        imp_file << "- Warning: The following " << vPoorlyConstrainedStns.size() << " stations are not associated with sufficient measurements." << endl;
                                        _it_vstr poorly;
                                        for (poorly = vPoorlyConstrainedStns.begin(); poorly != vPoorlyConstrainedStns.end(); poorly++)
                                        {
                                                if (!p.g.quiet)
                                                        outputObject(string("  - " + *poorly + "\n"), cout);
                                                outputObject(string("  - " + *poorly + "\n"), imp_file);
                                        }
                                }
                                else
                                {
                                        if (!p.g.quiet)
                                                cout << "- Warning: " << vPoorlyConstrainedStns.size() << " stations are not associated with sufficient measurements." << endl;
                                        imp_file << "- Warning: " << vPoorlyConstrainedStns.size() << " stations are not associated with sufficient measurements." << endl;
                                }
                        }
                }
        }

        // Remove ignored measurements (if supplied)
        if (p.i.remove_ignored_msr)
        {
                if (!p.g.quiet)
                {
                        cout << "+ Removing ignored measurements... ";
                        cout.flush();
                }
                imp_file << "+ Removing ignored measurements... ";
                parserDynaML.RemoveIgnoredMeasurements(&vmeasurementsTotal, &parsemsrTally);
                if (!p.g.quiet)
                        cout << "Done. " << endl;
                imp_file << "Done. " << endl;
        }

        // Strip all measurements except required measurements (if supplied)
        if (!p.i.include_msrs.empty())
        {
                if (!p.g.quiet)
                {
                        cout << "+ Stripping all measurements except types " << p.i.include_msrs << "... ";
                        cout.flush();
                }
                imp_file << "+ Stripping all measurements except types " << p.i.include_msrs << "... ";
                parserDynaML.IncludeMeasurementTypes(p.i.include_msrs, &vmeasurementsTotal, &parsemsrTally);
                if (!p.g.quiet)
                        cout << "Done. " << endl;
                imp_file << "Done. " << endl;
        }
        
        // Strip all unwanted measurements (if supplied)
        if (!p.i.exclude_msrs.empty())
        {
                if (!p.g.quiet)
                {
                        cout << "+ Stripping measurement types " << p.i.exclude_msrs << "... ";
                        cout.flush();
                }
                imp_file << "+ Stripping measurement types " << p.i.exclude_msrs << "... ";
                parserDynaML.ExcludeMeasurementTypes(p.i.exclude_msrs, &vmeasurementsTotal, &parsemsrTally);
                if (!p.g.quiet)
                        cout << "Done. " << endl;
                imp_file << "Done. " << endl;
        }

        // Reduce stations.
        // But, only reduce stations if not importing for a segmentation block or network
        // The reason stations are not reduced if IMPORT_SEG_BLOCK or IMPORT_CONTIG_NET has been set is
        // because stations in the binary file will have already been reduced
        // on last import!
        if (p.i.import_block == 0 && p.i.import_network == 0 && vstationsTotal.size())
        {
                // reduce stations (e.g. convert from UTM to LLH)
                try {
                        if (!p.g.quiet)
                        {
                                cout << "+ Reducing stations... ";
                                cout.flush();
                        }
                        imp_file << "+ Reducing stations... ";
                        parserDynaML.ReduceStations(&vstationsTotal, projection);
                        if (!p.g.quiet)
                                cout << "Done." << endl;
                        imp_file << "Done." << endl;
                } 
                catch (const XMLInteropException& e) {
                        cout << endl << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }
        }

        /////////////////////////////////////////////////////////////////////////
        // Add discontinuity sites to vStations
        //
        // WARNING: If discontinuity sites are present in the renaming file, and
        // the renaming file changes the name from the four-character id in the 
        // discontinuity file to another name, this function call will not work
        // properly. Hence, sites in the discontinuity file must be consistently
        // named in the station and measurement files and not renamed to another
        // name.
        if (p.i.apply_discontinuities && !vstationsTotal.empty())
                parserDynaML.AddDiscontinuityStations(&vstationsTotal);

        UINT32 stn;

        // Extract user-defined stations and all connected measurements
        if (vstationsTotal.size() &&        // cannot be empty
                (!p.i.stn_associated_msr_include.empty() || !p.i.stn_associated_msr_exclude.empty()))
        {
                vstring vUnusedStns;
                bool splitXmsrs(false), splitYmsrs(false);

                try {
                        if (!p.g.quiet)
                        {
                                cout << "+ Extracting stations and associated measurements... ";
                                cout.flush();
                        }
                        imp_file << "+ Extracting stations and associated measurements... ";

                        // this method reforms asl and aml
                        parserDynaML.ExtractStnsAndAssociatedMsrs(p.i.stn_associated_msr_include, p.i.stn_associated_msr_exclude, &vstationsTotal, &vmeasurementsTotal, 
                                &parsestnTally, &parsemsrTally, &vUnusedStns, p, splitXmsrs, splitYmsrs);
                } 
                catch (const XMLInteropException& e) {
                        cout << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }

                if (!p.g.quiet)
                        cout << "Done. " << endl;
                imp_file << "Done." << endl;

                //msrCount = vmeasurementsTotal.size();
        }        

        // Now strip all stations outside the bounding box (if supplied)
        if (vstationsTotal.size() &&        // cannot be empty
                !p.i.bounding_box.empty())
        {
                vstring vUnusedStns;
                bool splitXmsrs(false), splitYmsrs(false);

                try {
                        if (!p.g.quiet)
                        {
                                cout << "+ Stripping stations and measurements outside the bounding box... ";
                                cout.flush();
                        }
                        imp_file << "+ Stripping stations and measurements outside the bounding box... ";
                        parserDynaML.ExcludeAllOutsideBoundingBox(&vstationsTotal, &vmeasurementsTotal, 
                                &parsestnTally, &parsemsrTally, &vUnusedStns, p, splitXmsrs, splitYmsrs);
                } 
                catch (const XMLInteropException& e) {
                        cout << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }

                if (!p.g.quiet)
                        cout << "Done. " << endl;
                imp_file << "Done." << endl;

                if (!vUnusedStns.empty())
                {
                        ostringstream ss_msg;
                        ss_msg << "  - " << vstationsTotal.size() << (vstationsTotal.size() == 1 ? " station is" : " stations are") << 
                                " within the bounding box." << endl;
                        imp_file << ss_msg.str();
                        if (!p.g.quiet)
                                cout << ss_msg.str();
                        ss_msg.str("");
                        ss_msg << "  - ";
                        if (vUnusedStns.size() > 1)
                        {
                                ss_msg << vUnusedStns.size() << " stations were";
                        }
                        else
                                ss_msg << "Station " << vUnusedStns.at(0) << " was";

                        ss_msg << " found outside the bounding box and " << (vUnusedStns.size() > 1 ? "have been" : "has been") << endl <<
                                "    removed together with the corresponding measurements." << endl;
                        if (p.i.split_clusters && (splitXmsrs || splitYmsrs))
                        {
                                ss_msg << "  - Note: GPS ";
                                if (splitXmsrs && splitYmsrs)
                                        ss_msg << "point and baseline";
                                else if (splitXmsrs)
                                        ss_msg << "baseline";
                                else //if (splitYmsrs)
                                        ss_msg << "point";
                                ss_msg << " cluster measurements straddling the limits of" << endl << 
                                "    the bounding box have been split." << endl;
                        }
                        imp_file << ss_msg.str() << "  - Excluded stations:" << endl;
                        if (!p.g.quiet)
                                cout << ss_msg.str() << endl;
                        
                        for (stn=0; stn<vUnusedStns.size(); ++stn)
                                imp_file << "     " << vUnusedStns.at(stn) << endl;
                        imp_file << endl;
                }
                else
                {
                        imp_file << "  - No stations were found outside the bounding box." << endl;
                        if (!p.g.quiet)
                                cout << "  - No stations were found outside the bounding box." << endl;
                }
        }

        UINT32 msrRead(parsemsrTally.TotalCount());
        UINT32 stnCount(static_cast<UINT32>(vstationsTotal.size()));
        UINT32 msrCount(static_cast<UINT32>(vmeasurementsTotal.size()));

        if (!p.g.quiet)
                cout << endl;
        imp_file << endl;

        ///////////////////////////////////////////////////////////////////////
        // Ok, now that unwanted stations and measurements have been stripped,
        // provide station and measurement Summary
        //
        if ((stnCount + msrCount) > 0)
        {
                if (p.i.import_block || p.i.import_network)
                {
                        if (!p.g.quiet)
                                cout << "+ Binary file ";
                        imp_file << "+ Binary file ";
                }
                else
                {
                        if (!p.g.quiet)
                                cout << "+ File ";
                        imp_file << "+ File ";
                }
                
                if (!p.g.quiet)
                        cout << "parsing summary:" << endl << endl;
                imp_file << "parsing summary:" << endl << endl;
        }
        
        //
        // Station summary
        if (stnCount)
        {
                if (!p.g.quiet)
                {
                        parsestnTally.coutSummary(cout, string("  Read"));
                        cout << endl;
                }
                parsestnTally.coutSummary(imp_file, string("  Read"));
                imp_file << endl;
        }
        
        //
        // Measurement summary
        if (msrCount)
        {
                if (!p.g.quiet)
                {
                        parsemsrTally.coutSummary(cout, string("  Read"));
                        cout << endl;
                }
                parsemsrTally.coutSummary(imp_file, string("  Read"));
                imp_file << endl;
        }

        ////////////////////////////////////////////////////////////////////////
        // Can we proceed?
        if (stnCount < 1)
        {
                imp_file << "- No further processing can be done as no stations were loaded." << endl;
                if (!p.g.quiet)
                        cout << "- No further processing can be done as no stations were loaded." << endl;
                imp_file.close();
                return PARSE_SUCCESS;
        }

        /////////////////////////////////////////////////////////////////////////
        // Rename stations
        if (p.i.rename_stations && (stnCount > 0 || msrCount > 0))
        {
                // Does it exist?
                if (!exists(p.i.stn_renamingfile))
                        // Look for it in the input folder
                        p.i.stn_renamingfile = formPath<string>(p.g.input_folder, leafStr<string>(p.i.stn_renamingfile));

                // Apply renaming
                try {
                        if (!p.g.quiet)
                        {
                                cout << "+ Renaming stations... ";
                                cout.flush();
                        }
                        imp_file << "+ Renaming stations... ";
                        parserDynaML.RenameStations(&vstationsTotal, &vmeasurementsTotal, &p);
                        if (!p.g.quiet)
                                cout << "Done." << endl;
                        imp_file << "Done." << endl;
                } 
                catch (const XMLInteropException& e) {
                        cout << endl << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }
        }

        // Apply GNSS scaling (if required)
        if (p.i.import_block == 0 && p.i.import_network == 0 && p.i.apply_scaling)
        {
                // Apply scaling
                try {
                        if (!p.g.quiet)
                        {
                                cout << "+ Applying scalars to GNSS measurements... ";
                                cout.flush();
                        }
                        imp_file << "+ Applying scalars to GNSS measurements... ";
                        parserDynaML.EditGNSSMsrScalars(&vmeasurementsTotal, &p);
                        if (!p.g.quiet)
                                cout << "Done." << endl;
                        imp_file << "Done." << endl;
                } 
                catch (const XMLInteropException& e) {
                        cout << endl << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }
        }

        std::ofstream dst_file;

        // flush duplicate stations/measurements files
        try {
                if (exists(p.i.dst_file))
                        remove(p.i.dst_file);
                if (exists(p.i.dms_file))
                        remove(p.i.dms_file);
        }
        catch (const ios_base::failure& f) { 
                // do nothing on failure.
                imp_file << endl << "- Warning: " << f.what() << endl;
        }

        // Prepare file names if importing from a segmentation block or contiguous network
        if (p.i.import_block == 1 || p.i.import_network == 1)
        {
                stringstream modifier("");
                if (p.i.import_block == 1)
                        modifier << ".block-" << p.i.import_block_number;
                else if (p.i.import_network == 1)
                        modifier << ".network-" << p.i.import_network_number;

                // create new output file names based on block number
                // reform file name for each so as to preserve full path for each file
                stringstream ss("");
                ss << formPath<string>(path(p.i.bst_file).parent_path().generic_string(), path(p.i.bst_file).stem().generic_string());
                ss << modifier.str() << ".bst";
                p.i.bst_file = ss.str();

                ss.str("");
                ss << formPath<string>(path(p.i.bms_file).parent_path().generic_string(), path(p.i.bms_file).stem().generic_string());
                ss << modifier.str() << ".bms";
                p.i.bms_file = ss.str();

                ss.str("");
                ss << formPath<string>(path(p.i.asl_file).parent_path().generic_string(), path(p.i.asl_file).stem().generic_string());
                ss << modifier.str() << ".asl";
                p.i.asl_file = ss.str();

                ss.str("");
                ss << formPath<string>(path(p.i.aml_file).parent_path().generic_string(), path(p.i.aml_file).stem().generic_string());
                ss << modifier.str() << ".aml";
                p.i.aml_file = ss.str();

                ss.str("");
                ss << formPath<string>(path(p.i.map_file).parent_path().generic_string(), path(p.i.map_file).stem().generic_string());
                ss << modifier.str() << ".map";
                p.i.map_file = ss.str();

                ss.str("");
                ss << formPath<string>(path(p.i.map_file).parent_path().generic_string(), path(p.i.map_file).stem().generic_string());
                ss << ".dbid";
                p.i.dbid_file = ss.str();
        }

        // Remove duplicate stations. If required, test nearby stations
        if (stnCount > 0) {
                
                vstring vduplicateStns;
                v_stringstring_doubledouble_pair vnearbyStns;

                // Remove duplicates and, if required, identify station pairs 
                // separated by distances less than search_stn_radius
                try {
                        ostringstream ss_msg;
                        if (p.i.search_nearby_stn)
                                ss_msg << "+ Testing for duplicate and nearby stations... ";
                        else
                                ss_msg << "+ Testing for duplicate stations... ";
                        
                        if (!p.g.quiet)
                        {
                                cout << ss_msg.str();
                                cout.flush();
                        }

                        imp_file << ss_msg.str();                        
                        
                        stn = parserDynaML.RemoveDuplicateStations(&vstationsTotal, &vduplicateStns, &vnearbyStns);
                        
                        if (!p.g.quiet)
                                cout << "Done. ";
                        imp_file << "Done. ";

                        if (stn > 0)
                        {
                                try {
                                        // Create duplicate station file
                                        file_opener(dst_file, p.i.dst_file);
                                }
                                catch (const runtime_error& e) {
                                        ss_msg << "- Error: Could not open " << p.i.dst_file << ". \n  Check that the file exists and that the file is not already opened." << 
                                                endl << e.what() << endl;
                                        if (!p.g.quiet)
                                                cout << ss_msg.str();
                                        imp_file << ss_msg.str();
                                        imp_file.close();
                                        return EXIT_FAILURE;
                                }
                                                
                                PrintOutputFileHeaderInfo(&dst_file, p.i.dst_file, &p, "DUPLICATE STATION FILE");

                                if (!vduplicateStns.empty())
                                {
                                        ss_msg.str("");
                                        ss_msg << "Removed " << vduplicateStns.size() << " duplicate station" << (vduplicateStns.size() > 1 ? "s" : "");
                                        
                                        // print message to .dst file
                                        dst_file << ss_msg.str() << ":" << endl;
                                        for (stn=0; stn<vduplicateStns.size(); ++stn)
                                                dst_file << "  - " << vduplicateStns.at(stn) << endl;
                                        dst_file << endl;

                                        ss_msg << "." << endl << "  See " << p.i.dst_file << " for details." << endl;

                                        imp_file << ss_msg.str();
                                        if (!p.g.quiet)
                                                cout << endl << "- Warning: " << ss_msg.str();                                        
                                }                                

                                if (!vnearbyStns.empty())
                                {
                                        ss_msg.str("");
                                        ss_msg << vnearbyStns.size() << (vnearbyStns.size() > 1 ? " pairs of stations were" : " pair of station was") << 
                                                " found to be separated by less than " << setprecision(3) << p.i.search_stn_radius << "m.";

                                        imp_file << endl << "- Warning: " << ss_msg.str() << endl << 
                                                "  See " << p.i.dst_file << " for details." << endl << endl;
                                        
                                        if (!p.g.quiet)
                                                cout << endl << "- Warning: " << ss_msg.str() << endl << 
                                                "  See " << p.i.dst_file << " for details." << endl << endl;
                                        ss_msg.str("");

                                        // output message
                                        dst_file << "Nearby station search results:" << endl << ss_msg.str() << endl << endl;

                                        dst_file <<  
                                                setw(HEADER_20) << left << "First station" << 
                                                setw(HEADER_20) << "Nearby station" << 
                                                setw(HEADER_20) << right << "Separation (m)" << 
                                                setw(HEADER_20) << "Diff height (m)" << 
                                                endl;

                                        for (UINT32 i(0); i<(HEADER_20*4); ++i)
                                                dst_file << "-";
                                        dst_file << endl;

                                        // dump nearby stations to dst file
                                        for (stn=0; stn<vnearbyStns.size(); ++stn)
                                        {
                                                dst_file <<
                                                        setw(HEADER_20) << left << vnearbyStns.at(stn).first.first <<                                                                         // First
                                                        setw(HEADER_20) << vnearbyStns.at(stn).first.second <<                                                                        // Nearby
                                                        setw(HEADER_20) << setprecision(3) << fixed << right << vnearbyStns.at(stn).second.first <<                // Separation (m)
                                                        setw(HEADER_20) << setprecision(3) << fixed << vnearbyStns.at(stn).second.second <<                // Diff height (m)
                                                        endl;
                                        }

                                        ss_msg <<
                                                "  If the names in each pair refer to the same station, then update the " << endl <<
                                                "  station and measurement files with the correct station name and re-run " << __BINARY_NAME__ << "." << endl <<
                                                "  Alternatively, if the names in each pair are unique, either call " << __BINARY_NAME__ << endl <<
                                                "  without the --" << TEST_NEARBY_STNS << " option, or decrease the radial search " << endl <<
                                                "  distance using --" << TEST_NEARBY_STN_DIST << "." << endl << endl;

                                        if (!p.g.quiet)
                                                cout << ss_msg.str();
                                        imp_file << ss_msg.str();
                                        imp_file.close();
                                        dst_file.close();
                                        return EXIT_FAILURE;
                                }
                                else if (p.g.verbose == 3)
                                {
                                        if (!p.g.quiet)
                                                cout << "+ Total number of unique stations is " << vstationsTotal.size() << endl;
                                        imp_file << "+ Total number of unique stations is " << vstationsTotal.size() << endl;
                                }

                                // If this line is reached, then there are no nearby stations
                                dst_file.close();
                        }
                        if (!p.g.quiet)
                                cout << endl;
                        imp_file << endl;
                } 
                catch (const XMLInteropException& e) {
                        cout << endl << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }                

                /////////////////////////////////////////////////////////////////
                // Now commence sorting and mapping
                // 1. Sort stations
                // 2. Create station map
                try {
                        if (!p.g.quiet)
                        {
                                cout << "+ Sorting stations... ";
                                cout.flush();
                        }
                        imp_file << "+ Sorting stations... ";
                        parserDynaML.FullSortandMapStations((vdnaStnPtr*) &vstationsTotal, &vStnsMap_sortName);
                        if (!p.g.quiet)
                        {
                                cout << "Done." << endl << "+ Serialising station map... ";
                                cout.flush();
                        }
                        imp_file << "Done." << endl << "+ Serialising station map... ";                        
                        parserDynaML.SerialiseMap(p.i.map_file);                // parserDynaML keeps the map in memory
                        stn_map_created = true;
                        if (!p.g.quiet)
                        {
                                cout << "Done." << endl;
                                cout.flush();
                        }
                        imp_file << "Done." << endl;

                        if (p.i.export_map_file)
                        {
                                if (!p.g.quiet)
                                {
                                        cout << "+ Exporting station map to text file... ";
                                        cout.flush();
                                }
                                imp_file << "+ Exporting station map to text file... ";
                                parserDynaML.SerialiseMapTextFile(p.i.map_file);
                                if (!p.g.quiet)
                                {
                                        cout << "Done." << endl;
                                        cout.flush();
                                }
                                imp_file << "Done." << endl;                                
                        }
                } 
                catch (const XMLInteropException& e) {
                        cout << endl << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }        
        }

        // Search for similar measurements
        if (msrCount > 0 && (p.i.search_similar_msr || p.i.search_similar_msr_gx || p.i.ignore_similar_msr)) 
        {
                if (SearchForSimilarMeasurements(&parserDynaML, &p, &imp_file,
                        &vmeasurementsTotal) != EXIT_SUCCESS)
                        return EXIT_FAILURE;        
        }

        // Import DNA geoid file
        if (p.i.import_geo_file && p.i.import_block == 0 && p.i.import_network == 0 && vstationsTotal.size())
        {
                if (!exists(p.i.geo_file))
                {
                        path geoPath(p.i.geo_file);
                        stringstream ss;
                        ss << "- Error: The geoid file " << geoPath.filename().string() << " does not exist." << endl;
                        cout << endl << ss.str();
                        imp_file << endl << ss.str();
                        return EXIT_FAILURE;
                }

                if (!p.g.quiet)
                {
                        cout << "+ Importing geoid information from " << p.i.geo_file << "... ";
                        cout.flush();
                }
                imp_file << "+ Importing geoid information from " << p.i.geo_file << "... ";

                parserDynaML.LoadDNAGeoidFile(p.i.geo_file, &vstationsTotal);

                if (!p.g.quiet)
                        cout << "Done." << endl;
                imp_file << "Done." << endl;
        }

        UINT32 ignMsrCount, mapCount;
        vstring vunusedStations;
        vUINT32 vignoredMeasurements;

        // Map measurements to stations
        if (stn_map_created) 
        {        
                try {
                        if (!p.g.quiet)
                        {
                                cout << "+ Mapping measurements to stations... ";
                                cout.flush();
                        }
                        imp_file << "+ Mapping measurements to stations... ";
                        
                        parserDynaML.MapMeasurementStations((vdnaMsrPtr*) &vmeasurementsTotal,        &associatedSL, &mapCount, 
                                &vunusedStations, &vignoredMeasurements);
                        
                        if (!p.g.quiet)
                                cout << "Done." << endl;
                        imp_file << "Done. ";

                        if (msrCount > 0)
                        {
                                measurements_mapped = true;
                                imp_file << "Mapped " << mapCount << " measurements to " << vStnsMap_sortName.size() - vunusedStations.size() << " stations." << endl;
                        }
                        else
                                imp_file << endl;

                        if (!vunusedStations.empty())
                        {
                                if (vunusedStations.size() == 1)
                                {
                                        if (p.g.verbose > 2)
                                        {
                                                if (!p.g.quiet)
                                                        cout << "- Warning: station " << vunusedStations.at(0) << " was not associated with any measurements." << endl;
                                                imp_file << "- Warning: station " << vunusedStations.at(0) << " was not associated with any measurements." << endl;
                                        }
                                        else
                                        {
                                                if (!p.g.quiet)
                                                        cout << "- Warning: " << vunusedStations.size() << " station was not associated with any measurements." << endl;
                                                imp_file << "- Warning: " << vunusedStations.size() << " station was not associated with any measurements." << endl;
                                        }
                                }
                                else
                                {
                                        if (p.g.verbose > 2)
                                        {
                                                if (!p.g.quiet)
                                                        cout << "- Warning: The following " << vunusedStations.size() << " stations were not associated with any measurements." << endl;
                                                imp_file << "- Warning: The following " << vunusedStations.size() << " stations were not associated with any measurements." << endl;
                                                _it_vstr unused;
                                                for (unused = vunusedStations.begin(); unused!=vunusedStations.end(); unused++)
                                                {
                                                        if (!p.g.quiet)
                                                                outputObject(string("  - " + *unused + "\n"), cout);
                                                        outputObject(string("  - " + *unused + "\n"), imp_file);
                                                }
                                        }
                                        else
                                        {
                                                if (!p.g.quiet)
                                                        cout << "- Warning: " << vunusedStations.size() << " stations were not associated with any measurements." << endl;
                                                imp_file << "- Warning: " << vunusedStations.size() << " stations were not associated with any measurements." << endl;
                                        }
                                }
                        }

                        if (msrRead < mapCount && vignoredMeasurements.empty())
                        {
                                if (!p.g.quiet)
                                        cout << "- Warning: Not all measurements were mapped: " << msrRead << " msrs read vs. " << mapCount
                                                << " msrs mapped." << endl;
                        }
                        else if (msrRead != mapCount && !vignoredMeasurements.empty())
                        {
                                ignMsrCount = parserDynaML.ComputeMeasurementCount(&vmeasurementsTotal, vignoredMeasurements);        
                                if (!p.g.quiet)
                                {
                                        cout << "- Warning: " << ignMsrCount << " ignored measurements were not mapped." << endl;
                                        if ((msrRead - mapCount) != ignMsrCount)
                                                cout << "-          " << msrRead << " m.read vs. " << mapCount << " m.mapped." << endl;
                                }
                        }
                        if (!p.g.quiet)
                                cout.flush();
                } 
                catch (const XMLInteropException& e) {
                        cout << endl << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }
        }

        stnCount = static_cast<UINT32>(vstationsTotal.size());
        if (stnCount > static_cast<UINT32>(associatedSL.size()))
                stnCount = static_cast<UINT32>(associatedSL.size());
        
        // Does the user want to simulate measurements?
        if (p.i.simulate_measurements && stnCount > 0 && msrCount > 0) 
        {
                // No need for the following code if the outer 'if' statement checks 
                // for non-zero stnCount value
                //
                // if (stnCount == 0)
                // {
                //         if (!p.g.quiet)
                //                 cout << "- Error: there are no stations from which to simulate measurements." << endl;
                //         imp_file << "- Error: there are no stations from which to simulate measurements." << endl;
                //         imp_file.close();
                //         return EXIT_FAILURE;
                // }        
        
                try {
                        // Simulate measurements
                        if (!p.g.quiet)
                        {
                                cout << "+ Simulating and exporting measurements to " << leafStr<string>(p.i.simulate_msrfile) << "... ";
                                cout.flush();
                        }
                        imp_file << "+ Simulating and exporting measurements to " << leafStr<string>(p.i.simulate_msrfile) << "... ";
                        parserDynaML.SimulateMSR(
                                ((vdnaStnPtr*) &vstationsTotal), 
                                ((vdnaMsrPtr*) &vmeasurementsTotal), 
                                p.i.simulate_msrfile, p);
                        if (!p.g.quiet)
                                cout << "Done." << endl;
                        imp_file << "Done." << endl;
                }
                catch (const XMLInteropException& e) {
                        cout.flush();
                        cout << endl << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }
        }

        // Create association lists
        if (measurements_mapped) 
        {
                try {
                        if (!p.g.quiet)
                        {
                                cout << "+ Creating association lists... ";
                                cout.flush();
                        }
                        imp_file << "+ Creating association lists... ";
                        parserDynaML.CompleteAssociationLists(&vmeasurementsTotal, &associatedSL, &associatedML);
                        if (!p.g.quiet)
                        {
                                cout << "Done." << endl;
                                cout.flush();
                        }
                        imp_file << "Done." << endl;
                } 
                catch (const XMLInteropException& e) {
                        cout << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }

                try {
                        if (!p.g.quiet)
                        {
                                cout << "+ Serialising association lists... ";
                                cout.flush();
                        }
                        imp_file << "+ Serialising association lists... ";
                        parserDynaML.SerialiseAsl(p.i.asl_file, &associatedSL);
                        parserDynaML.SerialiseAml(p.i.aml_file, &associatedML);
                        if (!p.g.quiet)
                        {
                                cout << "Done." << endl;
                                cout.flush();
                        }
                        imp_file << "Done." << endl;
                } 
                catch (const XMLInteropException& e) {
                        cout << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }
        }

        // Create binary station file.
        // Binary station file can be serialised without measurements
        if (stnCount > 0)
        {
                try {
                        if (!vstationsTotal.empty())
                        {
                                if (!p.g.quiet)
                                {
                                        cout << "+ Serialising binary station file " << leafStr<string>(p.i.bst_file) << "... ";
                                        cout.flush();
                                }
                                imp_file << "+ Serialising binary station file " << leafStr<string>(p.i.bst_file) << "... ";
                                
                                parserDynaML.SerialiseBst(
                                        p.i.bst_file, ((vdnaStnPtr*) &vstationsTotal), &vunusedStations,
                                        vinput_file_meta, (p.i.flag_unused_stn ? true : false));
                                if (!p.g.quiet)
                                {
                                        cout << "Done." << endl;
                                        cout.flush();
                                }
                                imp_file << "Done." << endl;
                        }
                } 
                catch (const XMLInteropException& e) {
                        cout << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }
        }

        // Create binary measurement file.
        // Binary measurement file can be serialised without stations
        if (msrCount > 0) 
        {
                try {
                        if (!vmeasurementsTotal.empty())
                        {
                                if (!p.g.quiet)
                                {
                                        cout << "+ Serialising binary measurement file " << leafStr<string>(p.i.bms_file) << "... ";
                                        cout.flush();
                                }
                                imp_file << "+ Serialising binary measurement file " << leafStr<string>(p.i.bms_file) << "... ";

                                parserDynaML.SerialiseBms(
                                        p.i.bms_file, ((vdnaMsrPtr*) &vmeasurementsTotal),
                                        vinput_file_meta);
                                if (!p.g.quiet)
                                {
                                        cout << "Done." << endl;
                                        cout.flush();
                                }
                                imp_file << "Done." << endl;
                        }
                } 
                catch (const XMLInteropException& e) {
                        cout << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }
        }

        // Export ASL and AML to text if required
        if (measurements_mapped) 
        {
                try {
                        if (p.i.export_asl_file)
                        {
                                if (!p.g.quiet)
                                {
                                        cout << "+ Exporting associated station list to text file... ";
                                        cout.flush();
                                }
                                imp_file << "+ Exporting associated station list to text file... ";
                                parserDynaML.SerialiseAslTextFile(p.i.asl_file, &associatedSL, (vdnaStnPtr*) &vstationsTotal);
                                if (!p.g.quiet)
                                {
                                        cout << "Done." << endl;
                                        cout.flush();
                                }
                                imp_file << "Done." << endl;                                
                        }
                } 
                catch (const XMLInteropException& e) {
                        cout << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }

                try {
                        if (p.i.export_aml_file)
                        {
                                if (!p.g.quiet)
                                {
                                        cout << "+ Exporting associated measurement list to text file... ";
                                        cout.flush();
                                }
                                imp_file << "+ Exporting associated measurement list to text file... ";
                                parserDynaML.SerialiseAmlTextFile(p.i.bms_file, p.i.aml_file, &associatedML, &associatedSL, (vdnaStnPtr*) &vstationsTotal);
                                if (!p.g.quiet)
                                {
                                        cout << "Done." << endl;
                                        cout.flush();
                                }
                                imp_file << "Done." << endl;                                
                        }
                }
                catch (const XMLInteropException& e) {
                        cout << "- Error: " << e.what() << endl;
                        imp_file << endl << "- Error: " << e.what() << endl;
                        imp_file.close();
                        return EXIT_FAILURE;
                }

                if (p.i.test_integrity)
                {
                        if (!p.g.quiet)
                        {
                                cout << "+ Testing internal integrity of ASL, AML and binary files... ";
                                cout.flush();
                        }
                        std::ifstream binaryMS(p.i.bms_file.c_str(), ios::in | ios::binary | std::ifstream::ate);        /// Open and seek to end immediately after opening.
                        if (!binaryMS.good())
                        {
                                cout << endl << "- Could not open binary file for reading." << endl;
                                imp_file << endl << "- Could not open binary file for reading." << endl;
                                imp_file.close();
                                return EXIT_FAILURE;
                        }
                        // get size, then go back to beginning
                        size_t sFileSize = (size_t)binaryMS.tellg();
                        binaryMS.seekg(0, ios::beg);

                        measurement_t measRecord;
                        
                        UINT32 amlcount, amlindex, msr;
                        for (stn=0; stn<stnCount; stn++)
                        {
                                amlcount = associatedSL.at(stn).get()->GetAssocMsrCount();
                                
                                // The following is to be used when reading from binary file
                                for (msr=0; msr<amlcount; msr++)
                                {
                                        amlindex = associatedSL.at(stn).get()->GetAMLStnIndex() + msr;
                                        if (associatedML.at(amlindex) * sizeof(measurement_t) >= sFileSize)
                                        {
                                                cout << "Error: index " << associatedML.at(amlindex) << " is out of range for the binary file." << endl;
                                                continue;
                                        }
                                        binaryMS.seekg(sizeof(UINT32) + associatedML.at(amlindex) * sizeof(measurement_t), ios::beg);
                                        binaryMS.read(reinterpret_cast<char *>(&measRecord), sizeof(measurement_t));
                                }
                        }
                        binaryMS.close();
                        if (!p.g.quiet)
                                cout << "OK." << endl;
                }
        }

        try {
                // Print measurements to stations table
                PrintMeasurementstoStations(&parsemsrTally, &parserDynaML, &p, &associatedSL);
        }
        catch (const XMLInteropException& e) {
                cout.flush();
                cout << endl << "- Error: " << e.what() << endl;
                imp_file << endl << "- Error: " << e.what() << endl;
                imp_file.close();
                return EXIT_FAILURE;
        }


        // Serialise database ids
        if (p.i.import_block == 1 || p.i.import_network == 1)
        {
                // dbid_file filename formed earlier
                parserDynaML.SerialiseDatabaseId(p.i.dbid_file, &vmeasurementsTotal);
        }
        else
        {
                p.i.dbid_file = formPath<string>(p.g.output_folder, p.g.network_name, "dbid");
                parserDynaML.SerialiseDatabaseId(p.i.dbid_file, &vmeasurementsTotal);
        }


        

        // Export stations and measurements
        try {
                if (p.i.export_dynaml || p.i.export_dna_files)
                        ExportStationsandMeasurements(&parserDynaML, p, &imp_file, &vinput_file_meta, 
                                &vstationsTotal, &vmeasurementsTotal, stnCount, msrCount);
        }
        catch (const XMLInteropException& e) {
                cout.flush();
                cout << endl << "- Error: " << e.what() << endl;
                imp_file << endl << "- Error: " << e.what() << endl;
                imp_file.close();
                return EXIT_FAILURE;
        }
        
        if (!userSuppliedSegFile)
                p.i.seg_file = "";
        if (!userSuppliedBstFile)
                p.i.bst_file = "";
        if (!userSuppliedBmsFile)
                p.i.bms_file = "";

        // Look for a project file.  If it exists, open and load it.
        // Update the import settings.
        // Print the project file. If it doesn't exist, it will be created.
        CDnaProjectFile projectFile;
        if (exists(p.g.project_file))
                projectFile.LoadProjectFile(p.g.project_file);
        
        projectFile.UpdateSettingsImport(p);
        projectFile.UpdateSettingsReftran(p);
        projectFile.UpdateSettingsOutput(p);
        projectFile.PrintProjectFile();

        if (msrCount == 0)
        {
                cout << "- Warning: there are no measurements to process." << endl;
                imp_file << "- Warning: there are no measurements to process." << endl;
        }
        
        if (errorCount)
        {
                cout << "- Warning: some files were not parsed - please read the log file for more details." << endl;
                imp_file << "- Warning: some files were not parsed - please read the log file for more details." << endl;
        }

        // Produce a warning if an ensemble is set as the default reference frame
        if (isEpsgWGS84Ensemble(epsgCode))
        {
                stringstream ssEnsembleWarning;
                ssEnsembleWarning << endl <<
                        "- Warning:  The '" << p.i.reference_frame << "' reference frame set for this project refers to the" << endl <<
                        "  \"World Geodetic System 1984 (WGS 84) ensemble\".  The WGS 84 ensemble is" << endl <<
                        "  only suitable for low accuracy (metre level) positioning and does not" << endl <<
                        "  provide for precise transformations to other well-known reference frames." << endl <<
                        "  To achieve reliable adjustment results from data on WGS 84, please refer" << endl <<
                        "  to \"Configuring import options\" in the DynAdjust User's Guide." << endl;
                if (!p.g.quiet)
                        cout << ssEnsembleWarning.str();
                imp_file << ssEnsembleWarning.str();
        }
        
        milliseconds elapsed_time(milliseconds(time.elapsed().wall/MILLI_TO_NANO));
        string time_message = formatedElapsedTime<string>(&elapsed_time, "+ Total file handling process took ");

        if (!p.g.quiet)
                cout << endl << time_message << endl;
        imp_file << endl << time_message << endl;
        
        if (stnCount > 0 && msrCount > 0)
        {
                if (!p.g.quiet)
                        cout << "+ Binary station and measurement files are now ready for processing." << endl << endl;
                imp_file << "+ Binary station and measurement files are now ready for processing." << endl << endl;
        }

        imp_file.close();
        return PARSE_SUCCESS;
}

icsm-au / DynAdjust / 4857311097

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