Tibeuleu/FOC_Reduction
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reduce NGC1068 for comparison with Kishimoto's pipeline

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Tibeuleu
2022-10-19 16:22:09 +02:00
parent d3c11eb4af
commit 3e315783f2
14 changed files with 37 additions and 29 deletions
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19
src/lib/reduction.py
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@@ -1475,24 +1475,23 @@ def rotate_Stokes(I_stokes, Q_stokes, U_stokes, Stokes_cov, data_mask, headers,
new_U_stokes = np.zeros(shape)
new_Stokes_cov = np.zeros((*Stokes_cov.shape[:-2],*shape))
for i in range(shape[0]):
for j in range(shape[1]):
new_I_stokes[i,j], new_Q_stokes[i,j], new_U_stokes[i,j] = np.dot(mrot, np.array([I_stokes[i,j], Q_stokes[i,j], U_stokes[i,j]])).T
new_Stokes_cov[:,:,i,j] = np.dot(mrot, np.dot(Stokes_cov[:,:,i,j], mrot.T))
#Rotate original images using scipy.ndimage.rotate
new_I_stokes = sc_rotate(new_I_stokes, ang, order=1, reshape=False, cval=0.)
new_Q_stokes = sc_rotate(new_Q_stokes, ang, order=1, reshape=False, cval=0.)
new_U_stokes = sc_rotate(new_U_stokes, ang, order=1, reshape=False, cval=0.)
new_I_stokes = sc_rotate(I_stokes, ang, order=1, reshape=False, cval=0.)
new_Q_stokes = sc_rotate(Q_stokes, ang, order=1, reshape=False, cval=0.)
new_U_stokes = sc_rotate(U_stokes, ang, order=1, reshape=False, cval=0.)
new_data_mask = sc_rotate(data_mask.astype(float)*10., ang, order=1, reshape=False, cval=0.)
new_data_mask[new_data_mask < 2] = 0.
new_data_mask = new_data_mask.astype(bool)
for i in range(3):
for j in range(3):
new_Stokes_cov[i,j] = sc_rotate(new_Stokes_cov[i,j], ang, order=1,
reshape=False, cval=0.)
new_Stokes_cov[i,j] = sc_rotate(Stokes_cov[i,j], ang, order=1, reshape=False, cval=0.)
new_Stokes_cov[i,i] = np.abs(new_Stokes_cov[i,i])
for i in range(shape[0]):
for j in range(shape[1]):
new_I_stokes[i,j], new_Q_stokes[i,j], new_U_stokes[i,j] = np.dot(mrot, np.array([new_I_stokes[i,j], new_Q_stokes[i,j], new_U_stokes[i,j]])).T
new_Stokes_cov[:,:,i,j] = np.dot(mrot, np.dot(new_Stokes_cov[:,:,i,j], mrot.T))
#Update headers to new angle
new_headers = []
mrot = np.array([[np.cos(-alpha), -np.sin(-alpha)],