Beispiel #1
0
    def process_object(filename, arc, suffix="linearized"):
        """
        Helper recipe to reduce the object 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.flatCorrect()
            # p.applyQECorrection()
            p.distortionCorrect(arc=arc)
            p.findSourceApertures(max_apertures=1)
            p.skyCorrectFromSlit()
            p.traceApertures()
            p.extract1DSpectra()
            p.linearizeSpectra()  # TODO: needed?
            p.calculateSensitivity()

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

        return ad
Beispiel #2
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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("../")
Beispiel #3
0
def create_inputs():
    """
    Create inputs for `test_plot_spectra_for_qa_single_frame`.

    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 glob
    import os
    from geminidr.gmos.primitives_gmos_longslit import GMOSLongslit
    from gempy.utils import logutils
    from recipe_system.reduction.coreReduce import Reduce
    from recipe_system.utils.reduce_utils import normalize_ucals

    cwd = os.getcwd()
    path = f"./dragons_test_inputs/geminidr/core/{__file__.split('.')[0]}/"
    os.makedirs(path, exist_ok=True)
    os.chdir(path)

    os.makedirs("inputs/", exist_ok=True)

    for raw_list, bias_list, quartz_list, arc_list in single_aperture_data:

        if all([
                os.path.exists(f"inputs/{s.split('.')[0]}_extracted.fits")
                for s in raw_list
        ]):
            print("Skipping already created input.")
            continue

        raw_paths = [download_from_archive(f) for f in raw_list]
        bias_paths = [download_from_archive(f) for f in bias_list]
        quartz_paths = [download_from_archive(f) for f in quartz_list]
        arc_paths = [download_from_archive(f) for f in arc_list]

        cals = []
        raw_ads = [astrodata.open(p) for p in raw_paths]
        data_label = raw_ads[0].data_label()
        print('Current working directory:\n    {:s}'.format(os.getcwd()))

        if len(bias_paths):
            logutils.config(file_name='log_bias_{}.txt'.format(data_label))
            r = Reduce()
            r.files.extend(bias_paths)
            r.runr()
            master_bias = r.output_filenames.pop()
            cals.append(f"processed_bias:{master_bias}")
            del r
        else:
            master_bias = None

        if len(quartz_paths):
            logutils.config(file_name='log_quartz_{}.txt'.format(data_label))
            r = Reduce()
            r.files.extend(quartz_paths)
            r.ucals = normalize_ucals(r.files, cals)
            r.runr()
            master_quartz = r.output_filenames.pop()
            cals.append(f"processed_flat:{master_quartz}")
            del r
        else:
            master_quartz = None

        logutils.config(file_name='log_arc_{}.txt'.format(data_label))
        r = Reduce()
        r.files.extend(arc_paths)
        r.ucals = normalize_ucals(r.files, cals)
        r.runr()
        master_arc = r.output_filenames.pop()

        logutils.config(file_name='log_{}.txt'.format(data_label))
        p = GMOSLongslit(raw_ads)
        p.prepare()
        p.addDQ(static_bpm=None)
        p.addVAR(read_noise=True)
        p.overscanCorrect()
        p.biasCorrect(do_bias=master_bias is not None, bias=master_bias)
        p.ADUToElectrons()
        p.addVAR(poisson_noise=True)
        p.flatCorrect(do_flat=master_quartz is not None, flat=master_quartz)
        p.QECorrect(arc=master_arc)
        p.distortionCorrect(arc=master_arc)
        p.findSourceApertures(max_apertures=3)
        p.skyCorrectFromSlit()
        p.traceApertures()
        p.extract1DSpectra()
        p.linearizeSpectra()

        [os.remove(s) for s in glob.glob("*_arc.fits")]
        [os.remove(s) for s in glob.glob("*_bias.fits")]
        [os.remove(s) for s in glob.glob("*_flat.fits")]
        [os.remove(s) for s in glob.glob("*_mosaic.fits")]

        os.chdir("inputs/")
        print("\n\n    Writing processed files for tests into:\n"
              "    {:s}\n\n".format(os.getcwd()))
        _ = p.writeOutputs()
        os.chdir("../")

    os.chdir(cwd)
Beispiel #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

    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("../")