def reduce(filename):
        _p = GMOSLongslit([astrodata.open(filename)])
        _p.viewer = geminidr.dormantViewer(_p, None)

        _p.prepare()
        _p.addDQ(static_bpm=None)
        _p.addVAR(read_noise=True)
        _p.overscanCorrect()
        _p.ADUToElectrons()
        _p.addVAR(poisson_noise=True)
        _p.mosaicDetectors()
        _p.makeIRAFCompatible()
        _p.determineWavelengthSolution(suffix="_arc")

        return _p
Ejemplo n.º 2
0
def create_inputs_recipe():
    """
    Creates input data for tests using pre-processed standard star and its
    calibration files.

    The raw files will be downloaded and saved inside the path stored in the
    `$DRAGONS_TEST/raw_inputs` directory. Processed files will be stored inside
    a new folder called "dragons_test_inputs". The sub-directory structure
    should reflect the one returned by the `path_to_inputs` fixture.
    """
    import os
    from astrodata.testing import download_from_archive
    from geminidr.gmos.tests.spect import CREATED_INPUTS_PATH_FOR_TESTS

    module_name, _ = os.path.splitext(os.path.basename(__file__))
    path = os.path.join(CREATED_INPUTS_PATH_FOR_TESTS, module_name)
    os.makedirs(path, exist_ok=True)
    os.chdir(path)

    os.makedirs("inputs/", exist_ok=True)
    print('Current working directory:\n    {:s}'.format(os.getcwd()))

    for filename in datasets:
        print('Downloading files...')
        basename = filename.split("_")[0] + ".fits"
        sci_path = download_from_archive(basename)
        sci_ad = astrodata.open(sci_path)
        data_label = sci_ad.data_label()

        print('Reducing pre-processed data:')
        logutils.config(file_name='log_{}.txt'.format(data_label))
        p = GMOSLongslit([sci_ad])
        p.prepare()
        p.addDQ(static_bpm=None)
        p.addVAR(read_noise=True)
        p.overscanCorrect()
        p.ADUToElectrons()
        p.addVAR(poisson_noise=True)
        p.mosaicDetectors()
        p.makeIRAFCompatible()

        os.chdir("inputs/")
        processed_ad = p.writeOutputs().pop()
        os.chdir("..")
        print("Wrote pre-processed file to:\n"
              "    {:s}".format(processed_ad.filename))
Ejemplo n.º 3
0
    def process_arc(filename, suffix="distortionDetermined"):
        """
        Helper recipe to reduce the arc file.

        Returns
        -------
        AstroData
            Processed arc.
        """
        from astrodata.testing import download_from_archive
        from geminidr.gmos.primitives_gmos_longslit import GMOSLongslit

        processed_filename, ext = os.path.splitext(filename)
        processed_filename += "_{:s}{:s}".format(suffix, ext)

        if os.path.exists(processed_filename):
            ad = astrodata.open(processed_filename)
        else:

            if os.path.exists(filename):
                ad = astrodata.open(filename)
            else:
                ad = astrodata.open(
                    download_from_archive(filename,
                                          path='',
                                          env_var='DRAGONS_TEST'))

            p = GMOSLongslit([ad])

            p.prepare()
            p.addDQ(static_bpm=None)
            p.addVAR(read_noise=True)
            p.overscanCorrect()
            # p.biasCorrect()
            p.ADUToElectrons()
            p.addVAR(poisson_noise=True)
            p.mosaicDetectors()
            p.makeIRAFCompatible()
            p.determineWavelengthSolution()
            p.determineDistortion()

            ad = p.streams['main'][0]
            ad.write(overwrite=True)

        return ad
Ejemplo n.º 4
0
def create_inputs_recipe():
    """
    Creates input data for tests using pre-processed standard star and its
    calibration files.

    The raw files will be downloaded and saved inside the path stored in the
    `$DRAGONS_TEST/raw_inputs` directory. Processed files will be stored inside
    a new folder called "dragons_test_inputs". The sub-directory structure
    should reflect the one returned by the `path_to_inputs` fixture.
    """
    import os
    from astrodata.testing import download_from_archive
    from recipe_system.reduction.coreReduce import Reduce
    from gempy.utils import logutils

    associated_calibrations = {
        "S20190808S0048.fits": {
            "arcs": ["S20190808S0167.fits"]
        },
        "S20190808S0049.fits": {
            "arcs": ["S20190808S0168.fits"]
        },
        # "S20190808S0052.fits": {"arcs": ["S20190808S0165.fits"]}, # Can't find aperture
        "S20190808S0053.fits": {
            "arcs": ["S20190808S0169.fits"]
        },
    }

    root_path = os.path.join("./dragons_test_inputs/")
    module_path = "geminidr/gmos/spect/{}".format(__file__.split('.')[0])
    path = os.path.join(root_path, module_path)
    os.makedirs(path, exist_ok=True)
    os.chdir(path)
    os.makedirs("./inputs", exist_ok=True)
    print('Current working directory:\n    {:s}'.format(os.getcwd()))

    for filename, cals in associated_calibrations.items():

        print('Downloading files...')
        sci_path = download_from_archive(filename)
        arc_path = [download_from_archive(f) for f in cals['arcs']]

        sci_ad = astrodata.open(sci_path)
        data_label = sci_ad.data_label()

        print('Reducing ARC for {:s}'.format(data_label))
        logutils.config(file_name='log_arc_{}.txt'.format(data_label))
        arc_reduce = Reduce()
        arc_reduce.files.extend(arc_path)
        arc_reduce.runr()
        arc = arc_reduce.output_filenames.pop()

        print('Reducing pre-processed data:')
        logutils.config(file_name='log_{}.txt'.format(data_label))
        p = GMOSLongslit([sci_ad])
        p.prepare()
        p.addDQ(static_bpm=None)
        p.addVAR(read_noise=True)
        p.overscanCorrect()
        p.ADUToElectrons()
        p.addVAR(poisson_noise=True)
        p.mosaicDetectors()
        p.distortionCorrect(arc=arc)
        p.findSourceApertures(max_apertures=1)
        p.skyCorrectFromSlit()
        p.traceApertures()
        p.extract1DSpectra()

        os.chdir("inputs/")
        _ = p.writeOutputs().pop()
        os.chdir("../")
Ejemplo n.º 5
0
def create_inputs_recipe():
    """
    Creates input data for tests using pre-processed standard star and its
    calibration files.

    The raw files will be downloaded and saved inside the path stored in the
    `$DRAGONS_TEST/raw_inputs` directory. Processed files will be stored inside
    a new folder called "dragons_test_inputs". The sub-directory structure
    should reflect the one returned by the `path_to_inputs` fixture.
    """
    import os
    from astrodata.testing import download_from_archive
    from recipe_system.reduction.coreReduce import Reduce
    from gempy.utils import logutils

    from astrodata.testing import get_associated_calibrations

    associated_calibrations = {
        "S20190808S0048.fits": 'S20190808S0167.fits',
        "S20190808S0049.fits": 'S20190808S0168.fits',
        "S20190808S0053.fits": 'S20190808S0169.fits',
        "N20180106S0025.fits": 'N20180115S0264.fits',
        "N20180106S0026.fits": 'N20180115S0264.fits',
        "N20180106S0028.fits": 'N20180115S0264.fits',
        "N20180106S0029.fits": 'N20180115S0264.fits',
    }

    root_path = os.path.join("./dragons_test_inputs/")
    module_path = "geminidr/gmos/spect/{}".format(__file__.split('.')[0])
    path = os.path.join(root_path, module_path)
    os.makedirs(path, exist_ok=True)
    os.chdir(path)
    os.makedirs("./inputs", exist_ok=True)
    print('Current working directory:\n    {:s}'.format(os.getcwd()))

    for fname, arc_fname in associated_calibrations.items():

        sci_path = download_from_archive(fname)
        arc_path = download_from_archive(arc_fname)

        sci_ad = astrodata.open(sci_path)
        data_label = sci_ad.data_label()

        print('Reducing ARC for {:s}'.format(data_label))
        logutils.config(file_name='log_arc_{}.txt'.format(data_label))

        if os.path.exists(
                arc_fname.replace('.fits', '_distortionDetermined.fits')):
            arc = astrodata.open(
                arc_fname.replace('.fits', '_distortionDetermined.fits'))
        else:
            p = GMOSLongslit([astrodata.open(arc_path)])
            p.prepare()
            p.addDQ(static_bpm=None)
            p.addVAR(read_noise=True)
            p.overscanCorrect()
            p.ADUToElectrons()
            p.addVAR(poisson_noise=True)
            p.mosaicDetectors()
            p.makeIRAFCompatible()
            p.determineWavelengthSolution()
            p.determineDistortion()
            arc = p.writeOutputs().pop()

        print('Reducing pre-processed data:')
        logutils.config(file_name='log_{}.txt'.format(data_label))
        p = GMOSLongslit([sci_ad])
        p.prepare()
        p.addDQ(static_bpm=None)
        p.addVAR(read_noise=True)
        p.overscanCorrect()
        p.ADUToElectrons()
        p.addVAR(poisson_noise=True)
        p.mosaicDetectors()
        p.distortionCorrect(arc=arc)
        p.findSourceApertures(max_apertures=1)
        p.skyCorrectFromSlit()

        os.chdir("inputs/")
        _ = p.writeOutputs().pop()
        os.chdir("../")