#!/usr/bin/env python
# Take difference between two fits files
import sys, pyfits as pf
import ds9
import warnings
import imDisplay as imD
if len(sys.argv) == 4:
title, prefix = imD.returnInst(sys.argv[1])
a = imD.readImage(imD.nameResolve(sys.argv[2], prefix))
b = imD.readImage(imD.nameResolve(sys.argv[3], prefix))
else:
print 'Did not specify required arguments, Here are some examples: "pdiffs 50 51" or "pdiff s 50 51", "pdiffv 50 51" or "pdiff v 50 51" '
exit();
def fn(fn):
return fn.split(".")[0]
try:
hdu = pf.PrimaryHDU(a - b)
hdulist = pf.HDUList([hdu])
except:
print "Could not create FITS HDU"
try:
fname = "ds9_diff.fits"
#!/usr/bin/env python
# showing the orders by using the edge detection algorithm
import numpy as np
from astropy.io import fits
import imDisplay as imD
import sys
import globals
fname = imD.nameResolve(sys.argv[1], 's*')
continuum_image = fits.open(fname)
continuum_data = continuum_image[0].data
##own code for order determination
for i in range(1, 1024):
for j in range(1, 2048):
if i > 504:
if j > 1810:
if continuum_data[i][j] > 25:
continuum_data[i][j] = 1
else:
continuum_data[i][j] = 0
else:
if continuum_data[i][j] > 45:
continuum_data[i][j] = 1
else:
continuum_data[i][j] = 0
#!/usr/bin/env python
# Take difference between two fits files
import sys
import ds9
import imDisplay as imD
import time
fname = ''
if len(sys.argv) == 3:
title, prefix = imD.returnInst(sys.argv[1])
fname = imD.nameResolve(sys.argv[2], prefix)
if fname == '':
print 'Did not specify required arguments, Here are some examples: "dps 50" or "dp s 50", "dpv 50" or "dp v 50" '
exit();
try:
print 'loading ' + fname + ' to ds9'
dd = 0
dd = ds9.ds9(title)
dd.regSave(file=title)
dd.open(fname, 1) #the number is used to set the frame number in the tile mode which is enable
dd.regOpen(file=title)
except:
print "Could not display %s" % fname
