desihub / desispec / 1549
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Files 91
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sbailey 
Flux calibration (#371)

* als return metadata

* add interpolation between best and second best star

* add interpolation with second best star, refit redshift on best, add input_model_fibers to compute_flux_calibration because of possible chi2 rejection of stars

* add optional chi2cut for selection of stars

* add SECONDBESTID,SECONDBESTFRAC in metadata table

* chi2cut is optional

* fix template-error issue and also normalization of resolution when 0 (can happend for BSS data

* allow the use of several exposures of same plate/tile

* multi-dimensional interpolation of stellar models

* adapt test to new call to compute_flux_calibration

* fix issue when updating ivar in flux calibration when calib ivar=0

* add telluric lines mask

* add masking of Telluric features

* simplified multi-dimentional interpolation: use a triangular kernel (piece-wise linear interpolation) on each axis, and do a simple scan per axis, for each axis, with a loop untli convergence is reached. this is robust to holes in the parameter grid

* more debugging info

* fix indexation BUG when storing resolution data of std stars, and new IO with the linear coefficients of multi-dimensional fit, physical parameters, data and model color

* new IO with the linear coefficients of multi-dimensional fit, physical parameters, data and model color

* masking edges of spectrum when dividing by median filter if spectrum array is sufficiently large (this test mostly to pass the python tests based on narrow arrays

* mask sky and telluric lines before redshift fit

* bug fix: update coordinates at end of interpolate_on_parameter_grid

* fix redshift

* deg=2 by default for smooth correction per star

* automatic chi2 cut based on mean and rms of reduced chi2s of standard stars

* refine multi-dim. fit, starting from best fit of sub-grid chi2 scan (negligible improvement but had to be done)

* apply calibration to model and refit

* fixed fiber number assignment in fluxcalib

* mask ISM lines during redshift fit

* add CCM and ODonnell extinction curves translated from idlutils

* apply dust extinction to model stars

* docstring formatting

* adapt io test for fluxcalib

* fix in case metadata is a astropy.Table instead of a simple dictionnary (by the way why astropy.Table ???)

* adapt test to new IO

* add docstrings

7568 of 13393 relevant lines covered (56.51%)

0.57 hits per line

Jobs
ID Job ID Ran Files Coverage
5 1549.5 (PYTHON_VERSION=3.5 SETUP_CMD='test --coverage' CONDA_DEPENDENCIES=$CONDA_ALL_DEPENDENCIES PIP_DEPENDENCIES=$PIP_ALL_DEPENDENCIES) 0
56.51
 Travis Job 1549.5
Source Files on build 1549
Detailed source file information is not available for this build.