def lris_rpreproc(image):
'''Take an LRIS red image, combine into a single extension, subtract overscan,
trim, and rotate.'''
iraf.keck()
iraf.lris()
# Need grating name to start
grating = get_head("../rawdata/%s" % image, "GRANAME", extn=0)
# Convert to single extension fits image
iraf.multi2simple("../rawdata/%s" % image,
"r%s.fits" % image[8:12],
overscan=yes,
header=yes,
trim=yes,
verbose=no,
debug=no)
# Trim and rotate
iraf.imcopy("r%s[%s]" % (image[8:12], LGRATINGS[grating]["trimreg"]),
"tr%s" % image[8:12])
iraf.imtranspose("tr%s" % image[8:12], "rtr%s" % image[8:12])
return
def deimos_preproc(image):
'''Take a MEF DEIMOS image, extract the relevant extensions, trim the
LVM slit masks appropriately, and rename.'''
# Needing grating
graname = get_head(image, "GRATENAM", extn=0)
# "Blue" chip
iraf.imcopy("%s[%i]" % (image, BEXT), "d%s_B.fits" % image[6:10])
iraf.ccdproc("d%s_B.fits" % image[6:10], overscan=yes, trim=yes,
fixpix=yes, biassec=BBIASSEC, trimsec=BTRIMSEC,
fixfile="%s_%i.fits" % (MASK, BEXT))
iraf.imcopy("d%s_B.fits%s" % (image[6:10], DGRATINGS[graname]["blvmreg"]),
"td%s_B.fits" % image[6:10])
iraf.imtranspose("td%s_B.fits" % image[6:10], "rtd%s_B.fits" % image[6:10])
# "Red" chip
iraf.imcopy("%s[%i]" % (image, REXT), "d%s_R.fits" % image[6:10])
iraf.ccdproc("d%s_R.fits" % image[6:10], overscan=yes, trim=yes,
fixpix=yes, biassec=RBIASSEC, trimsec=RTRIMSEC,
fixfile="%s_%i.fits" % (MASK, BEXT))
iraf.imcopy("d%s_R.fits%s" % (image[6:10], DGRATINGS[graname]["rlvmreg"]),
"td%s_R.fits" % image[6:10])
iraf.imtranspose("td%s_R.fits" % image[6:10], "rtd%s_R.fits" % image[6:10])
iraf.rotate("rtd%s_R.fits" % image[6:10], "rtd%s_R.fits" % image[6:10], 180.0)
return
def lris_bpreproc(image):
'''Take an LRIS blue image, combine into a single extension, subtract overscan,
trim, and rotate.'''
iraf.keck()
iraf.lris()
# Need grating name to start
grism = get_head("../rawdata/%s" % image, "GRISNAME", extn=0)
# Convert to single extension fits image
iraf.multi2simple("../rawdata/%s" % image, "b%s.fits" % image[8:12],
overscan=yes, header=yes, trim=yes, verbose=no, debug=no)
# Trim and rotate
iraf.imcopy("b%s[%s]" % (image[8:12], LGRISMS[grism]["trimreg"]),
"tb%s" % image[8:12])
iraf.imtranspose("tb%s" % image[8:12], "rtb%s" % image[8:12])
return
def deimos_preproc(image):
'''Take a MEF DEIMOS image, extract the relevant extensions, trim the
LVM slit masks appropriately, and rename.'''
# Needing grating
graname = get_head(image, "GRATENAM", extn=0)
# "Blue" chip
iraf.imcopy("%s[%i]" % (image, BEXT), "d%s_B.fits" % image[6:10])
iraf.ccdproc("d%s_B.fits" % image[6:10],
overscan=yes,
trim=yes,
fixpix=yes,
biassec=BBIASSEC,
trimsec=BTRIMSEC,
fixfile="%s_%i.fits" % (MASK, BEXT))
iraf.imcopy("d%s_B.fits%s" % (image[6:10], DGRATINGS[graname]["blvmreg"]),
"td%s_B.fits" % image[6:10])
iraf.imtranspose("td%s_B.fits" % image[6:10], "rtd%s_B.fits" % image[6:10])
# "Red" chip
iraf.imcopy("%s[%i]" % (image, REXT), "d%s_R.fits" % image[6:10])
iraf.ccdproc("d%s_R.fits" % image[6:10],
overscan=yes,
trim=yes,
fixpix=yes,
biassec=RBIASSEC,
trimsec=RTRIMSEC,
fixfile="%s_%i.fits" % (MASK, BEXT))
iraf.imcopy("d%s_R.fits%s" % (image[6:10], DGRATINGS[graname]["rlvmreg"]),
"td%s_R.fits" % image[6:10])
iraf.imtranspose("td%s_R.fits" % image[6:10], "rtd%s_R.fits" % image[6:10])
iraf.rotate("rtd%s_R.fits" % image[6:10], "rtd%s_R.fits" % image[6:10],
180.0)
return