Example #1
0
def test_overwritten_copy_of_spectrum1Ds_are_different():

    lhs6328_spectrum1D = Spectrum1D(log_file_name=None)
    wavecal_1 = WavelengthCalibration(log_file_name=None)
    wavecal_1.from_spectrum1D(lhs6328_spectrum1D)
    memory_1 = id(wavecal_1.spectrum1D)
    wavecal_1.from_spectrum1D(copy.copy(lhs6328_spectrum1D), overwrite=True)
    memory_2 = id(wavecal_1.spectrum1D)

    assert memory_1 != memory_2
Example #2
0
def test_setting_nones_to_known_pairs_expect_fail():

    lhs6328_spectrum1D = Spectrum1D(log_file_name=None)
    wavecal = WavelengthCalibration(log_file_name=None)
    lhs6328_spectrum1D.add_arc_spec(arc_spec)
    wavecal.from_spectrum1D(lhs6328_spectrum1D)
    # Find the peaks of the arc
    wavecal.find_arc_lines(
        save_fig=True,
        fig_type="iframe+png",
        filename=os.path.join(
            HERE, "test_output", "test_wavecal_find_arc_lines"
        ),
        display=False,
        return_jsonstring=True,
    )
    wavecal.initialise_calibrator()
    wavecal.set_known_pairs([None], [None])
Example #3
0
def test_setting_known_pairs(mock_show):

    lhs6328_spectrum1D = Spectrum1D(log_file_name=None)
    wavecal = WavelengthCalibration(log_file_name=None)
    lhs6328_spectrum1D.add_arc_spec(arc_spec)
    wavecal.from_spectrum1D(lhs6328_spectrum1D)
    # Find the peaks of the arc
    wavecal.find_arc_lines(
        save_fig=True,
        fig_type="iframe+png",
        filename=os.path.join(
            HERE, "test_output", "test_wavecal_find_arc_lines"
        ),
        display=True,
        return_jsonstring=True,
    )
    wavecal.initialise_calibrator()
    wavecal.set_known_pairs([123, 234], [456, 567])
    assert len(wavecal.spectrum1D.calibrator.pix_known) == 2
    assert len(wavecal.spectrum1D.calibrator.wave_known) == 2
Example #4
0
def test_setting_a_known_pair():

    lhs6328_spectrum1D = SpectrumOneD(log_file_name=None)
    wavecal = WavelengthCalibration(log_file_name=None)
    lhs6328_spectrum1D.add_arc_spec(arc_spec)
    wavecal.from_spectrum1D(lhs6328_spectrum1D)
    # Find the peaks of the arc
    wavecal.find_arc_lines(
        save_fig=True,
        fig_type="iframe+png",
        filename=os.path.join(
            HERE, "test_output", "test_wavecal_find_arc_lines"
        ),
        display=False,
        return_jsonstring=True,
    )
    wavecal.initialise_calibrator()
    wavecal.set_known_pairs(123, 456)
    assert wavecal.spectrum1D.calibrator.pix_known == 123
    assert wavecal.spectrum1D.calibrator.wave_known == 456
Example #5
0
def test_wavecal():

    lhs6328_spectrum1D = Spectrum1D(log_file_name=None)
    wavecal = WavelengthCalibration(log_file_name=None)

    # Science arc_spec
    lhs6328_spectrum1D.add_arc_spec(arc_spec)
    wavecal.from_spectrum1D(lhs6328_spectrum1D)

    # Find the peaks of the arc
    wavecal.find_arc_lines(
        save_fig=True,
        fig_type="iframe+png",
        filename=os.path.join(
            HERE, "test_output", "test_wavecal_find_arc_lines"
        ),
        display=False,
        return_jsonstring=True,
    )

    # Configure the wavelength calibrator
    wavecal.initialise_calibrator()
    wavecal.set_hough_properties(
        num_slopes=1000,
        xbins=200,
        ybins=200,
        min_wavelength=3500,
        max_wavelength=8500,
    )
    wavecal.set_ransac_properties(filter_close=True)

    wavecal.add_user_atlas(elements=element, wavelengths=atlas)

    # Remove all lines between 3500 and 4000
    wavecal.remove_atlas_lines_range(wavelength=3750, tolerance=250)
    wavecal.do_hough_transform()

    # Solve for the pixel-to-wavelength solution
    wavecal.fit(max_tries=500, display=False)

    # Getting the calibrator
    wavecal.get_calibrator()

    # Save a FITS file
    wavecal.save_fits(
        output="wavecal",
        filename=os.path.join(HERE, "test_output", "test_wavecal"),
        overwrite=True,
    )

    # Save a CSV file
    wavecal.save_csv(
        output="wavecal",
        filename=os.path.join(HERE, "test_output", "test_wavecal"),
        overwrite=True,
    )

    # Getting the calibrator
    wavecal.get_spectrum1D()

    wavecal.list_atlas()
    wavecal.clear_atlas()
    wavecal.list_atlas()