Tibeuleu/FOC_Reduction
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better handling of data rotation, add information about reduction in header

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This commit is contained in:
Thibault Barnouin
2024-07-03 17:25:34 +02:00
parent 6879a8b551
commit fdcf1cb323
5 changed files with 349 additions and 256 deletions
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32
package/lib/fits.py
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@@ -76,7 +76,7 @@ def get_obs_data(infiles, data_folder="", compute_flux=False):
# force WCS for POL60 to have same pixel size as POL0 and POL120
is_pol60 = np.array([head["filtnam1"].lower() == "pol60" for head in headers], dtype=bool)
cdelt = np.round(np.array([WCS(head).wcs.cdelt[:2] for head in headers]), 14)
cdelt = np.round(np.array([WCS(head).wcs.cdelt[:2] for head in headers]), 10)
if np.unique(cdelt[np.logical_not(is_pol60)], axis=0).size != 2:
print(np.unique(cdelt[np.logical_not(is_pol60)], axis=0))
raise ValueError("Not all images have same pixel size")
@@ -141,19 +141,23 @@ def save_Stokes(
new_wcs.wcs.crpix = np.array(new_wcs.wcs.crpix) - vertex[0::-2]
header = new_wcs.to_header()
header["telescop"] = (ref_header["telescop"] if "TELESCOP" in list(ref_header.keys()) else "HST", "telescope used to acquire data")
header["instrume"] = (ref_header["instrume"] if "INSTRUME" in list(ref_header.keys()) else "FOC", "identifier for instrument used to acuire data")
header["photplam"] = (ref_header["photplam"], "Pivot Wavelength")
header["photflam"] = (ref_header["photflam"], "Inverse Sensitivity in DN/sec/cm**2/Angst")
header["exptot"] = (exp_tot, "Total exposure time in sec")
header["proposid"] = (ref_header["proposid"], "PEP proposal identifier for observation")
header["targname"] = (ref_header["targname"], "Target name")
header["orientat"] = (ref_header["orientat"], "Angle between North and the y-axis of the image")
header["filename"] = (filename, "Original filename")
header["P_int"] = (ref_header["P_int"], "Integrated polarization degree")
header["P_int_err"] = (ref_header["P_int_err"], "Integrated polarization degree error")
header["PA_int"] = (ref_header["PA_int"], "Integrated polarization angle")
header["PA_int_err"] = (ref_header["PA_int_err"], "Integrated polarization angle error")
header["TELESCOP"] = (ref_header["telescop"] if "TELESCOP" in list(ref_header.keys()) else "HST", "telescope used to acquire data")
header["INSTRUME"] = (ref_header["instrume"] if "INSTRUME" in list(ref_header.keys()) else "FOC", "identifier for instrument used to acuire data")
header["PHOTPLAM"] = (ref_header["photplam"], "Pivot Wavelength")
header["PHOTFLAM"] = (ref_header["photflam"], "Inverse Sensitivity in DN/sec/cm**2/Angst")
header["EXPTOT"] = (exp_tot, "Total exposure time in sec")
header["PROPOSID"] = (ref_header["proposid"], "PEP proposal identifier for observation")
header["TARGNAME"] = (ref_header["targname"], "Target name")
header["ORIENTAT"] = (np.arccos(new_wcs.wcs.pc[0, 0]) * 180.0 / np.pi, "Angle between North and the y-axis of the image")
header["FILENAME"] = (filename, "Original filename")
header["BKG_TYPE"] = (ref_header["BKG_TYPE"], "Bkg estimation method used during reduction")
header["BKG_SUB"] = (ref_header["BKG_SUB"], "Amount of bkg subtracted from images")
header["SMOOTH"] = (ref_header["SMOOTH"], "Smoothing method used during reduction")
header["SAMPLING"] = (ref_header["SAMPLING"], "Resampling performed during reduction")
header["P_INT"] = (ref_header["P_int"], "Integrated polarization degree")
header["sP_INT"] = (ref_header["sP_int"], "Integrated polarization degree error")
header["PA_INT"] = (ref_header["PA_int"], "Integrated polarization angle")
header["sPA_INT"] = (ref_header["sPA_int"], "Integrated polarization angle error")
# Crop Data to mask
if data_mask.shape != (1, 1):