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skip test that fails if VTK is missing (#2517)

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/include/openmc/plot.h

#ifndef OPENMC_PLOT_H
#define OPENMC_PLOT_H

#include <sstream>
#include <unordered_map>

#include "pugixml.hpp"
#include "xtensor/xarray.hpp"

#include "hdf5.h"
#include "openmc/cell.h"
#include "openmc/constants.h"
#include "openmc/error.h"
#include "openmc/geometry.h"
#include "openmc/particle.h"
#include "openmc/position.h"
#include "openmc/random_lcg.h"
#include "openmc/xml_interface.h"

namespace openmc {

//===============================================================================
// Global variables
//===============================================================================

class PlottableInterface;

namespace model {

extern std::unordered_map<int, int> plot_map; //!< map of plot ids to index
extern vector<std::unique_ptr<PlottableInterface>>
  plots; //!< Plot instance container

extern uint64_t plotter_seed; // Stream index used by the plotter

} // namespace model

//===============================================================================
// RGBColor holds color information for plotted objects
//===============================================================================

struct RGBColor {
  // Constructors
  RGBColor() : red(0), green(0), blue(0) {};
  RGBColor(const int v[3]) : red(v[0]), green(v[1]), blue(v[2]) {};
  RGBColor(int r, int g, int b) : red(r), green(g), blue(b) {};

  RGBColor(const vector<int>& v)
  {
    if (v.size() != 3) {
      throw std::out_of_range("Incorrect vector size for RGBColor.");
    }
    red = v[0];
    green = v[1];
    blue = v[2];
  }

  bool operator==(const RGBColor& other)
  {
    return red == other.red && green == other.green && blue == other.blue;
  }

  // Members
  uint8_t red, green, blue;
};

// some default colors
const RGBColor WHITE {255, 255, 255};
const RGBColor RED {255, 0, 0};
const RGBColor BLACK {0, 0, 0};

/*
 * PlottableInterface classes just have to have a unique ID in the plots.xml
 * file, and guarantee being able to create output in some way.
 */
class PlottableInterface {
private:
  void set_id(pugi::xml_node plot_node);
  int id_; // unique plot ID

  void set_bg_color(pugi::xml_node plot_node);
  void set_universe(pugi::xml_node plot_node);
  void set_default_colors(pugi::xml_node plot_node);
  void set_user_colors(pugi::xml_node plot_node);
  void set_overlap_color(pugi::xml_node plot_node);
  void set_mask(pugi::xml_node plot_node);

protected:
  // Plot output filename, derived classes have logic to set it
  std::string path_plot_;

public:
  enum class PlotColorBy { cells = 0, mats = 1 };

  // Creates the output image named path_plot_
  virtual void create_output() const = 0;

  // Print useful info to the terminal
  virtual void print_info() const = 0;

  const std::string& path_plot() const { return path_plot_; }
  const int id() const { return id_; }
  const int level() const { return level_; }

  // Public color-related data
  PlottableInterface(pugi::xml_node plot_node);
  int level_;                    // Universe level to plot
  bool color_overlaps_;          // Show overlapping cells?
  PlotColorBy color_by_;         // Plot coloring (cell/material)
  RGBColor not_found_ {WHITE};   // Plot background color
  RGBColor overlap_color_ {RED}; // Plot overlap color
  vector<RGBColor> colors_;      // Plot colors
};

typedef xt::xtensor<RGBColor, 2> ImageData;

struct IdData {
  // Constructor
  IdData(size_t h_res, size_t v_res);

  // Methods
  void set_value(size_t y, size_t x, const Particle& p, int level);
  void set_overlap(size_t y, size_t x);

  // Members
  xt::xtensor<int32_t, 3> data_; //!< 2D array of cell & material ids
};

struct PropertyData {
  // Constructor
  PropertyData(size_t h_res, size_t v_res);

  // Methods
  void set_value(size_t y, size_t x, const Particle& p, int level);
  void set_overlap(size_t y, size_t x);

  // Members
  xt::xtensor<double, 3> data_; //!< 2D array of temperature & density data
};

//===============================================================================
// Plot class
//===============================================================================

class SlicePlotBase {
public:
  template<class T>
  T get_map() const;

  enum class PlotBasis { xy = 1, xz = 2, yz = 3 };

  // Members
public:
  Position origin_;         //!< Plot origin in geometry
  Position width_;          //!< Plot width in geometry
  PlotBasis basis_;         //!< Plot basis (XY/XZ/YZ)
  array<size_t, 3> pixels_; //!< Plot size in pixels
  bool slice_color_overlaps_; //!< Show overlapping cells?
  int slice_level_ {-1};      //!< Plot universe level
private:
};

template<class T>
T SlicePlotBase::get_map() const
{

  size_t width = pixels_[0];
  size_t height = pixels_[1];

  // get pixel size
  double in_pixel = (width_[0]) / static_cast<double>(width);
  double out_pixel = (width_[1]) / static_cast<double>(height);

  // size data array
  T data(width, height);

  // setup basis indices and initial position centered on pixel
  int in_i, out_i;
  Position xyz = origin_;
  switch (basis_) {
  case PlotBasis::xy:
    in_i = 0;
    out_i = 1;
    break;
  case PlotBasis::xz:
    in_i = 0;
    out_i = 2;
    break;
  case PlotBasis::yz:
    in_i = 1;
    out_i = 2;
    break;
  default:
    UNREACHABLE();
  }

  // set initial position
  xyz[in_i] = origin_[in_i] - width_[0] / 2. + in_pixel / 2.;
  xyz[out_i] = origin_[out_i] + width_[1] / 2. - out_pixel / 2.;

  // arbitrary direction
  Direction dir = {0.7071, 0.7071, 0.0};

#pragma omp parallel
  {
    Particle p;
    p.r() = xyz;
    p.u() = dir;
    p.coord(0).universe = model::root_universe;
    int level = slice_level_;
    int j {};

#pragma omp for
    for (int y = 0; y < height; y++) {
      p.r()[out_i] = xyz[out_i] - out_pixel * y;
      for (int x = 0; x < width; x++) {
        p.r()[in_i] = xyz[in_i] + in_pixel * x;
        p.n_coord() = 1;
        // local variables
        bool found_cell = exhaustive_find_cell(p);
        j = p.n_coord() - 1;
        if (level >= 0) {
          j = level;
        }
        if (found_cell) {
          data.set_value(y, x, p, j);
        }
        if (slice_color_overlaps_ && check_cell_overlap(p, false)) {
          data.set_overlap(y, x);
        }
      } // inner for
    }   // outer for
  }     // omp parallel

  return data;
}

// Represents either a voxel or pixel plot
class Plot : public PlottableInterface, public SlicePlotBase {

public:
  enum class PlotType { slice = 1, voxel = 2 };

  Plot(pugi::xml_node plot, PlotType type);

private:
  void set_output_path(pugi::xml_node plot_node);
  void set_basis(pugi::xml_node plot_node);
  void set_origin(pugi::xml_node plot_node);
  void set_width(pugi::xml_node plot_node);
  void set_meshlines(pugi::xml_node plot_node);

public:
  // Add mesh lines to ImageData
  void draw_mesh_lines(ImageData& data) const;
  void create_image() const;
  void create_voxel() const;

  virtual void create_output() const;
  virtual void print_info() const;

  PlotType type_;                 //!< Plot type (Slice/Voxel)
  int meshlines_width_;           //!< Width of lines added to the plot
  int index_meshlines_mesh_ {-1}; //!< Index of the mesh to draw on the plot
  RGBColor meshlines_color_;      //!< Color of meshlines on the plot
};

class ProjectionPlot : public PlottableInterface {

public:
  ProjectionPlot(pugi::xml_node plot);

  virtual void create_output() const;
  virtual void print_info() const;

private:
  void set_output_path(pugi::xml_node plot_node);
  void set_look_at(pugi::xml_node node);
  void set_camera_position(pugi::xml_node node);
  void set_field_of_view(pugi::xml_node node);
  void set_pixels(pugi::xml_node node);
  void set_opacities(pugi::xml_node node);
  void set_orthographic_width(pugi::xml_node node);
  void set_wireframe_thickness(pugi::xml_node node);
  void set_wireframe_ids(pugi::xml_node node);
  void set_wireframe_color(pugi::xml_node node);

  /* If starting the particle from outside the geometry, we have to
   * find a distance to the boundary in a non-standard surface intersection
   * check. It's an exhaustive search over surfaces in the top-level universe.
   */
  static int advance_to_boundary_from_void(Particle& p);

  /* Checks if a vector of two TrackSegments is equivalent. We define this
   * to mean not having matching intersection lengths, but rather having
   * a matching sequence of surface/cell/material intersections.
   */
  struct TrackSegment;
  bool trackstack_equivalent(const vector<TrackSegment>& track1,
    const vector<TrackSegment>& track2) const;

  /* Used for drawing wireframe and colors. We record the list of
   * surface/cell/material intersections and the corresponding lengths as a ray
   * traverses the geometry, then color by iterating in reverse.
   */
  struct TrackSegment {
    int id;        // material or cell ID (which is being colored)
    double length; // length of this track intersection

    /* Recording this allows us to draw edges on the wireframe. For instance
     * if two surfaces bound a single cell, it allows drawing that sharp edge
     * where the surfaces intersect.
     */
    int surface; // last surface ID intersected in this segment
    TrackSegment(int id_a, double length_a, int surface_a)
      : id(id_a), length(length_a), surface(surface_a)
    {}
  };

  // Max intersections before we assume ray tracing is caught in an infinite
  // loop:
  static const int MAX_INTERSECTIONS = 1000000;

  std::array<int, 2> pixels_;       // pixel dimension of resulting image
  double horizontal_field_of_view_ {70.0}; // horiz. f.o.v. in degrees
  Position camera_position_;        // where camera is
  Position look_at_;                // point camera is centered looking at
  Direction up_ {0.0, 0.0, 1.0};    // which way is up

  // which color IDs should be wireframed. If empty, all cells are wireframed.
  vector<int> wireframe_ids_;

  /* The horizontal thickness, if using an orthographic projection.
   * If set to zero, we assume using a perspective projection.
   */
  double orthographic_width_ {0.0};

  // Thickness of the wireframe lines. Can set to zero for no wireframe.
  int wireframe_thickness_ {1};

  RGBColor wireframe_color_ {BLACK}; // wireframe color
  vector<double> xs_; // macro cross section values for cell volume rendering
};

//===============================================================================
// Non-member functions
//===============================================================================

/* Write a PPM image
 * filename - name of output file
 * data - image data to write
 */
void output_ppm(const std::string& filename, const ImageData& data);

#ifdef USE_LIBPNG
/* Write a PNG image
 * filename - name of output file
 * data - image data to write
 */
void output_png(const std::string& filename, const ImageData& data);
#endif

//! Initialize a voxel file
//! \param[in] id of an open hdf5 file
//! \param[in] dimensions of the voxel file (dx, dy, dz)
//! \param[out] dataspace pointer to voxel data
//! \param[out] dataset pointer to voxesl data
//! \param[out] pointer to memory space of voxel data
void voxel_init(hid_t file_id, const hsize_t* dims, hid_t* dspace, hid_t* dset,
  hid_t* memspace);

//! Write a section of the voxel data to hdf5
//! \param[in] voxel slice
//! \param[out] dataspace pointer to voxel data
//! \param[out] dataset pointer to voxesl data
//! \param[out] pointer to data to write
void voxel_write_slice(
  int x, hid_t dspace, hid_t dset, hid_t memspace, void* buf);

//! Close voxel file entities
//! \param[in] data space to close
//! \param[in] dataset to close
//! \param[in] memory space to close
void voxel_finalize(hid_t dspace, hid_t dset, hid_t memspace);

//===============================================================================
// External functions
//===============================================================================

//! Read plot specifications from a plots.xml file
void read_plots_xml();

//! Read plot specifications from an XML Node
//! \param[in] XML node containing plot info
void read_plots_xml(pugi::xml_node root);

//! Clear memory
void free_memory_plot();

//! Create a randomly generated RGB color
//! \return RGBColor with random value
RGBColor random_color();

} // namespace openmc
#endif // OPENMC_PLOT_H

1	#ifndef OPENMC_PLOT_H
2	#define OPENMC_PLOT_H
3
4	#include <sstream>
5	#include <unordered_map>
6
7	#include "pugixml.hpp"
8	#include "xtensor/xarray.hpp"
9
10	#include "hdf5.h"
11	#include "openmc/cell.h"
12	#include "openmc/constants.h"
13	#include "openmc/error.h"
14	#include "openmc/geometry.h"
15	#include "openmc/particle.h"
16	#include "openmc/position.h"
17	#include "openmc/random_lcg.h"
18	#include "openmc/xml_interface.h"
19
20	namespace openmc {
21
22	//===============================================================================
23	// Global variables
24	//===============================================================================
25
26	class PlottableInterface;
27
28	namespace model {
29
30	extern std::unordered_map<int, int> plot_map; //!< map of plot ids to index
31	extern vector<std::unique_ptr<PlottableInterface>>
32	plots; //!< Plot instance container
33
34	extern uint64_t plotter_seed; // Stream index used by the plotter
35
36	} // namespace model
37
38	//===============================================================================
39	// RGBColor holds color information for plotted objects
40	//===============================================================================
41
42	struct RGBColor {
43	// Constructors
44	RGBColor() : red(0), green(0), blue(0) {};
45	RGBColor(const int v[3]) : red(v[0]), green(v[1]), blue(v[2]) {};
46	RGBColor(int r, int g, int b) : red(r), green(g), blue(b) {};	×
47
48	RGBColor(const vector<int>& v)
49	{
50	if (v.size() != 3) {
51	throw std::out_of_range("Incorrect vector size for RGBColor.");
52	}
53	red = v[0];
54	green = v[1];
55	blue = v[2];
56	}
57
58	bool operator==(const RGBColor& other)
59	{
60	return red == other.red && green == other.green && blue == other.blue;
61	}
62
63	// Members
64	uint8_t red, green, blue;
65	};
66
67	// some default colors
68	const RGBColor WHITE {255, 255, 255};
69	const RGBColor RED {255, 0, 0};
70	const RGBColor BLACK {0, 0, 0};
71
72	/*
73	* PlottableInterface classes just have to have a unique ID in the plots.xml
74	* file, and guarantee being able to create output in some way.
75	*/
76	class PlottableInterface {
77	private:
78	void set_id(pugi::xml_node plot_node);
79	int id_; // unique plot ID
80
81	void set_bg_color(pugi::xml_node plot_node);
82	void set_universe(pugi::xml_node plot_node);
83	void set_default_colors(pugi::xml_node plot_node);
84	void set_user_colors(pugi::xml_node plot_node);
85	void set_overlap_color(pugi::xml_node plot_node);
86	void set_mask(pugi::xml_node plot_node);
87
88	protected:
89	// Plot output filename, derived classes have logic to set it
90	std::string path_plot_;
91
92	public:
93	enum class PlotColorBy { cells = 0, mats = 1 };
94
95	// Creates the output image named path_plot_
96	virtual void create_output() const = 0;
97
98	// Print useful info to the terminal
99	virtual void print_info() const = 0;
100
101	const std::string& path_plot() const { return path_plot_; }	1,036✔
102	const int id() const { return id_; }	2,210✔
103	const int level() const { return level_; }	350✔
104
105	// Public color-related data
106	PlottableInterface(pugi::xml_node plot_node);
107	int level_; // Universe level to plot
108	bool color_overlaps_; // Show overlapping cells?
109	PlotColorBy color_by_; // Plot coloring (cell/material)
110	RGBColor not_found_ {WHITE}; // Plot background color
111	RGBColor overlap_color_ {RED}; // Plot overlap color
112	vector<RGBColor> colors_; // Plot colors
113	};
114
115	typedef xt::xtensor<RGBColor, 2> ImageData;
116
117	struct IdData {
118	// Constructor
119	IdData(size_t h_res, size_t v_res);
120
121	// Methods
122	void set_value(size_t y, size_t x, const Particle& p, int level);
123	void set_overlap(size_t y, size_t x);
124
125	// Members
126	xt::xtensor<int32_t, 3> data_; //!< 2D array of cell & material ids
127	};
128
129	struct PropertyData {
130	// Constructor
131	PropertyData(size_t h_res, size_t v_res);
132
133	// Methods
134	void set_value(size_t y, size_t x, const Particle& p, int level);
135	void set_overlap(size_t y, size_t x);
136
137	// Members
138	xt::xtensor<double, 3> data_; //!< 2D array of temperature & density data
139	};
140
141	//===============================================================================
142	// Plot class
143	//===============================================================================
144
145	class SlicePlotBase {
146	public:
147	template<class T>
148	T get_map() const;
149
150	enum class PlotBasis { xy = 1, xz = 2, yz = 3 };
151
152	// Members
153	public:
154	Position origin_; //!< Plot origin in geometry
155	Position width_; //!< Plot width in geometry
156	PlotBasis basis_; //!< Plot basis (XY/XZ/YZ)
157	array<size_t, 3> pixels_; //!< Plot size in pixels
158	bool slice_color_overlaps_; //!< Show overlapping cells?
159	int slice_level_ {-1}; //!< Plot universe level
160	private:
161	};
162
163	template<class T>
164	T SlicePlotBase::get_map() const
165	{
166
167	size_t width = pixels_[0];
168	size_t height = pixels_[1];
169
170	// get pixel size
171	double in_pixel = (width_[0]) / static_cast<double>(width);
172	double out_pixel = (width_[1]) / static_cast<double>(height);
173
174	// size data array
175	T data(width, height);
176
177	// setup basis indices and initial position centered on pixel
178	int in_i, out_i;
179	Position xyz = origin_;
180	switch (basis_) {
181	case PlotBasis::xy:
182	in_i = 0;
183	out_i = 1;
184	break;
185	case PlotBasis::xz:
186	in_i = 0;
187	out_i = 2;
188	break;
189	case PlotBasis::yz:
190	in_i = 1;
191	out_i = 2;
192	break;
193	default:
194	UNREACHABLE();
195	}
196
197	// set initial position
198	xyz[in_i] = origin_[in_i] - width_[0] / 2. + in_pixel / 2.;
199	xyz[out_i] = origin_[out_i] + width_[1] / 2. - out_pixel / 2.;
200
201	// arbitrary direction
202	Direction dir = {0.7071, 0.7071, 0.0};
203
204	#pragma omp parallel
205	{
206	Particle p;
207	p.r() = xyz;
208	p.u() = dir;
209	p.coord(0).universe = model::root_universe;
210	int level = slice_level_;
211	int j {};
212
213	#pragma omp for
214	for (int y = 0; y < height; y++) {
215	p.r()[out_i] = xyz[out_i] - out_pixel * y;
216	for (int x = 0; x < width; x++) {
217	p.r()[in_i] = xyz[in_i] + in_pixel * x;
218	p.n_coord() = 1;
219	// local variables
220	bool found_cell = exhaustive_find_cell(p);
221	j = p.n_coord() - 1;
222	if (level >= 0) {
223	j = level;
224	}
225	if (found_cell) {
226	data.set_value(y, x, p, j);
227	}
228	if (slice_color_overlaps_ && check_cell_overlap(p, false)) {
229	data.set_overlap(y, x);
230	}
231	} // inner for
232	} // outer for
233	} // omp parallel
234
235	return data;
236	}
237
238	// Represents either a voxel or pixel plot
239	class Plot : public PlottableInterface, public SlicePlotBase {
240
241	public:
242	enum class PlotType { slice = 1, voxel = 2 };
243
244	Plot(pugi::xml_node plot, PlotType type);
245
246	private:
247	void set_output_path(pugi::xml_node plot_node);
248	void set_basis(pugi::xml_node plot_node);
249	void set_origin(pugi::xml_node plot_node);
250	void set_width(pugi::xml_node plot_node);
251	void set_meshlines(pugi::xml_node plot_node);
252
253	public:
254	// Add mesh lines to ImageData
255	void draw_mesh_lines(ImageData& data) const;
256	void create_image() const;
257	void create_voxel() const;
258
259	virtual void create_output() const;
260	virtual void print_info() const;
261
262	PlotType type_; //!< Plot type (Slice/Voxel)
263	int meshlines_width_; //!< Width of lines added to the plot
264	int index_meshlines_mesh_ {-1}; //!< Index of the mesh to draw on the plot
265	RGBColor meshlines_color_; //!< Color of meshlines on the plot
266	};
267
268	class ProjectionPlot : public PlottableInterface {
269
270	public:
271	ProjectionPlot(pugi::xml_node plot);
272
273	virtual void create_output() const;
274	virtual void print_info() const;
275
276	private:
277	void set_output_path(pugi::xml_node plot_node);
278	void set_look_at(pugi::xml_node node);
279	void set_camera_position(pugi::xml_node node);
280	void set_field_of_view(pugi::xml_node node);
281	void set_pixels(pugi::xml_node node);
282	void set_opacities(pugi::xml_node node);
283	void set_orthographic_width(pugi::xml_node node);
284	void set_wireframe_thickness(pugi::xml_node node);
285	void set_wireframe_ids(pugi::xml_node node);
286	void set_wireframe_color(pugi::xml_node node);
287
288	/* If starting the particle from outside the geometry, we have to
289	* find a distance to the boundary in a non-standard surface intersection
290	* check. It's an exhaustive search over surfaces in the top-level universe.
291	*/
292	static int advance_to_boundary_from_void(Particle& p);
293
294	/* Checks if a vector of two TrackSegments is equivalent. We define this
295	* to mean not having matching intersection lengths, but rather having
296	* a matching sequence of surface/cell/material intersections.
297	*/
298	struct TrackSegment;
299	bool trackstack_equivalent(const vector<TrackSegment>& track1,
300	const vector<TrackSegment>& track2) const;
301
302	/* Used for drawing wireframe and colors. We record the list of
303	* surface/cell/material intersections and the corresponding lengths as a ray
304	* traverses the geometry, then color by iterating in reverse.
305	*/
306	struct TrackSegment {
307	int id; // material or cell ID (which is being colored)
308	double length; // length of this track intersection
309
310	/* Recording this allows us to draw edges on the wireframe. For instance
311	* if two surfaces bound a single cell, it allows drawing that sharp edge
312	* where the surfaces intersect.
313	*/
314	int surface; // last surface ID intersected in this segment
315	TrackSegment(int id_a, double length_a, int surface_a)
316	: id(id_a), length(length_a), surface(surface_a)
317	{}
318	};
319
320	// Max intersections before we assume ray tracing is caught in an infinite
321	// loop:
322	static const int MAX_INTERSECTIONS = 1000000;
323
324	std::array<int, 2> pixels_; // pixel dimension of resulting image
325	double horizontal_field_of_view_ {70.0}; // horiz. f.o.v. in degrees
326	Position camera_position_; // where camera is
327	Position look_at_; // point camera is centered looking at
328	Direction up_ {0.0, 0.0, 1.0}; // which way is up
329
330	// which color IDs should be wireframed. If empty, all cells are wireframed.
331	vector<int> wireframe_ids_;
332
333	/* The horizontal thickness, if using an orthographic projection.
334	* If set to zero, we assume using a perspective projection.
335	*/
336	double orthographic_width_ {0.0};
337
338	// Thickness of the wireframe lines. Can set to zero for no wireframe.
339	int wireframe_thickness_ {1};
340
341	RGBColor wireframe_color_ {BLACK}; // wireframe color
342	vector<double> xs_; // macro cross section values for cell volume rendering
343	};
344
345	//===============================================================================
346	// Non-member functions
347	//===============================================================================
348
349	/* Write a PPM image
350	* filename - name of output file
351	* data - image data to write
352	*/
353	void output_ppm(const std::string& filename, const ImageData& data);
354
355	#ifdef USE_LIBPNG
356	/* Write a PNG image
357	* filename - name of output file
358	* data - image data to write
359	*/
360	void output_png(const std::string& filename, const ImageData& data);
361	#endif
362
363	//! Initialize a voxel file
364	//! \param[in] id of an open hdf5 file
365	//! \param[in] dimensions of the voxel file (dx, dy, dz)
366	//! \param[out] dataspace pointer to voxel data
367	//! \param[out] dataset pointer to voxesl data
368	//! \param[out] pointer to memory space of voxel data
369	void voxel_init(hid_t file_id, const hsize_t* dims, hid_t* dspace, hid_t* dset,
370	hid_t* memspace);
371
372	//! Write a section of the voxel data to hdf5
373	//! \param[in] voxel slice
374	//! \param[out] dataspace pointer to voxel data
375	//! \param[out] dataset pointer to voxesl data
376	//! \param[out] pointer to data to write
377	void voxel_write_slice(
378	int x, hid_t dspace, hid_t dset, hid_t memspace, void* buf);
379
380	//! Close voxel file entities
381	//! \param[in] data space to close
382	//! \param[in] dataset to close
383	//! \param[in] memory space to close
384	void voxel_finalize(hid_t dspace, hid_t dset, hid_t memspace);
385
386	//===============================================================================
387	// External functions
388	//===============================================================================
389
390	//! Read plot specifications from a plots.xml file
391	void read_plots_xml();
392
393	//! Read plot specifications from an XML Node
394	//! \param[in] XML node containing plot info
395	void read_plots_xml(pugi::xml_node root);
396
397	//! Clear memory
398	void free_memory_plot();
399
400	//! Create a randomly generated RGB color
401	//! \return RGBColor with random value
402	RGBColor random_color();
403
404	} // namespace openmc
405	#endif // OPENMC_PLOT_H

openmc-dev / openmc / 4961885432

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