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Bugfix: calculate total integral of obstructed airy disk

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Lukas Klass 2020-05-14 16:49:20 +02:00
parent b927ba273c
commit a6e17593d4
1 changed files with 2 additions and 2 deletions
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4
esbo_etc/classes/psf/Airy.py
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@ -131,7 +131,7 @@ class Airy(IPSF):
# Calculate the rolling integral of the PSF # Calculate the rolling integral of the PSF
psf_int = np.cumsum(psf * np.arange(psf.shape[0]) * dx) * dx * 2 * np.pi psf_int = np.cumsum(psf * np.arange(psf.shape[0]) * dx) * dx * 2 * np.pi
# Scale the integral of the disturbed PSF equal to the undisturbed PSF # Scale the integral of the disturbed PSF equal to the undisturbed PSF
psf_int = psf_int / (4 / np.pi) * (1 - obstruction) ** 2 psf_int = psf_int / (4 / np.pi) * (1 - obstruction)
# Calculate the reduced observation angle # Calculate the reduced observation angle
reduced_observation_angle = np.argmax( reduced_observation_angle = np.argmax(
psf_int > contained_energy) * reduced_observation_angle_pixel.value / self.__osf * 2 psf_int > contained_energy) * reduced_observation_angle_pixel.value / self.__osf * 2
@ -260,7 +260,7 @@ class Airy(IPSF):
res = self.rebin(res, 1 / self.__osf) res = self.rebin(res, 1 / self.__osf)
res = (mask_red * res).view(np.ndarray) res = (mask_red * res).view(np.ndarray)
# Integrate the reduced mask and divide by the indefinite integral to get relative intensities # Integrate the reduced mask and divide by the indefinite integral to get relative intensities
res = res * (reduced_observation_angle_pixel.value / self.__osf) ** 2 / (4 / np.pi) * (1 - obstruction) ** 2 res = res * (reduced_observation_angle_pixel.value / self.__osf) ** 2 / (4 / np.pi) * (1 - obstruction)
# reintegrate the reduced mask into the complete mask # reintegrate the reduced mask into the complete mask
mask[y_ind.min():(y_ind.max() + 1), x_ind.min():(x_ind.max() + 1)] = res mask[y_ind.min():(y_ind.max() + 1), x_ind.min():(x_ind.max() + 1)] = res
return mask return mask