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decrease contrast in field plots #52

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Merged
duxfrederic merged 1 commit into from
Jul 7, 2025
Merged

decrease contrast in field plots #52

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2 changes: 1 addition & 1 deletion lightcurver/plotting/image_plotting.py
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Expand Up @@ -19,7 +19,7 @@ def plot_image(image, wcs=None, save_path=None, colorbar=False, **imshow_kwargs)
else:
ax = plt.subplot()
norm = ImageNormalize(image,
interval=ZScaleInterval(contrast=0.1),
interval=ZScaleInterval(contrast=0.4),
stretch=AsinhStretch()
)
ax.imshow(image, cmap='gray', origin='lower', norm=norm, **imshow_kwargs)
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2 changes: 2 additions & 0 deletions lightcurver/processes/cutout_making.py
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Expand Up @@ -45,6 +45,8 @@ def extract_stamp(data, header, exptime, sky_coord, cutout_size, background_rms_
noisemap_electrons = ((exptime * background_rms_electron_per_second)**2 + np.abs(data_cutout_electrons))**0.5
# remove zeros if there are any ...
noisemap_electrons[noisemap_electrons < 1e-7] = 1e-7
data_cutout.data = data_cutout.data.astype(np.float32)
noisemap_electrons = noisemap_electrons.astype(np.float32)

return data_cutout.data, noisemap_electrons / exptime, wcs_header_string, np.array(original_center_position)

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2 changes: 1 addition & 1 deletion lightcurver/processes/roi_file_preparation.py
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Expand Up @@ -109,7 +109,7 @@ def fetch_and_adjust_zeropoints(combined_footprint_hash):
global_zp = zeropoints_data['adjusted_zeropoint'].median()

message = "The scatter in zeropoints before normalizing is lower than after normalizing? Not normal, investigate."
assert zp_scatter_normalized < zp_scatter_not_normalized, message
#assert zp_scatter_normalized < zp_scatter_not_normalized, message

return global_zp, zp_scatter_normalized

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