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Fits_Compare.py
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Fri, Nov 29, 09:16

Fits_Compare.py
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import sys
import os
#import matplotlib.pyplot as plt
#import matplotlib
import pickle
from astropy.io import fits
#from matplotlib.patches import Circle
#from mpl_toolkits.axes_grid1 import make_axes_locatable
#from matplotlib import cm
"Main"
print("Arg 1: Map_x Arg2: Map_y : Compaeres Mapx with Mapy and plots the difference")
grid_x = []
grid_y = []
if len(sys.argv) == 3 :
print ("Opening ", sys.argv[1])
hdulist1 = fits.open(sys.argv[1])
#hdulist.info()
Map1 = hdulist1[0].data
print ("Opening ", sys.argv[2])
hdulist2 = fits.open(sys.argv[2])
#hdulist.info()
Map2 = hdulist2[0].data
hdulist1.close()
hdulist2.close()
Mapdif = Map1 - Map2
drive, path_and_file = os.path.splitdrive(sys.argv[1])
path, file1 = os.path.split(path_and_file)
drive, path_and_file = os.path.splitdrive(sys.argv[2])
path, file2 = os.path.split(path_and_file)
# Map 1
fig,ax = plt.subplots(1)
ax.set_aspect('equal')
divider = make_axes_locatable(ax)
cax = divider.append_axes('right', size='5%', pad=0.05)
im = ax.imshow(Map1,norm=matplotlib.colors.LogNorm())
fig.colorbar(im,cax=cax,orientation='vertical')
# Map 2
fig,ax = plt.subplots(1)
ax.set_aspect('equal')
divider = make_axes_locatable(ax)
cax = divider.append_axes('right', size='5%', pad=0.05)
im = ax.imshow(Map2,norm=matplotlib.colors.LogNorm())
fig.colorbar(im,cax=cax,orientation='vertical')
# Map 1 - Map 2
fig,ax = plt.subplots(1)
ax.set_aspect('equal')
divider = make_axes_locatable(ax)
cax = divider.append_axes('right', size='5%', pad=0.05)
im = ax.imshow(Mapdif)
fig.colorbar(im,cax=cax,orientation='vertical')
plt.show()
#pickle.dump(fig, open('Diff_'+file1+'_' + file2 + '.fig.pickle', 'wb'))

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