def saltmosaic(images,outimages,outpref,geomfile,interp='linear',geotran=True, cleanup=True,clobber=False,logfile=None,verbose=True):
#Start the logging
with logging(logfile,debug) as log:
# Check the input images
infiles = saltio.argunpack ('Input',images)
# create list of output files
outfiles=saltio.listparse('Outfile', outimages, outpref,infiles,'')
#verify that the input and output lists are the same length
saltio.comparelists(infiles,outfiles,'Input','output')
# does CCD geometry definition file exist
geomfilefile = geomfile.strip()
saltio.fileexists(geomfile)
gap = 0
xshift = [0, 0]
yshift = [0, 0]
rotation = [0, 0]
gap, xshift, yshift, rotation=saltio.readccdgeom(geomfile)
# open each raw image file and apply the transformation to it
for img, oimg in zip(infiles, outfiles):
#open the structure
struct = saltio.openfits(img)
#create the mosaic
ostruct=make_mosaic(struct, gap, xshift, yshift, rotation, interp_type=interp, geotran=geotran, cleanup=cleanup, log=log, verbose=verbose)
#update the header information
# housekeeping keywords
fname, hist=history(level=1, wrap=False, exclude=['images', 'outimages', 'outpref'])
saltkey.housekeeping(ostruct[0], 'SMOSAIC', 'Images have been mosaicked ', hist)
#write the image out
saltio.writefits(ostruct,oimg, clobber=clobber)
#close the files
saltio.closefits(struct)
saltio.closefits(ostruct)
def saltmosaic(images,
outimages,
outpref,
geomfile,
interp='linear',
geotran=True,
fill=False,
cleanup=True,
clobber=False,
logfile=None,
verbose=True):
# Start the logging
with logging(logfile, debug) as log:
# Check the input images
infiles = saltio.argunpack('Input', images)
# create list of output files
outfiles = saltio.listparse('Outfile', outimages, outpref, infiles, '')
# verify that the input and output lists are the same length
saltio.comparelists(infiles, outfiles, 'Input', 'output')
# does CCD geometry definition file exist
geomfilefile = geomfile.strip()
saltio.fileexists(geomfile)
gap = 0
xshift = [0, 0]
yshift = [0, 0]
rotation = [0, 0]
gap, xshift, yshift, rotation = saltio.readccdgeom(geomfile)
# open each raw image file and apply the transformation to it
for img, oimg in zip(infiles, outfiles):
# open the structure
struct = saltio.openfits(img)
# create the mosaic
ostruct = make_mosaic(struct,
gap,
xshift,
yshift,
rotation,
interp_type=interp,
geotran=geotran,
fill=fill,
cleanup=cleanup,
log=log,
verbose=verbose)
# update the header information
# housekeeping keywords
fname, hist = history(level=1,
wrap=False,
exclude=['images', 'outimages', 'outpref'])
saltkey.housekeeping(ostruct[0], 'SMOSAIC',
'Images have been mosaicked', hist)
# write the image out
ostruct.writeto(oimg, clobber=clobber, output_verify='ignore')
# close the files
struct.close()
ostruct.close()
def slotmerge(images, outimages, outpref, geomfile, clobber, logfile, verbose):
with logging(logfile, debug) as log:
# are the arguments defined
saltsafeio.argdefined('images', images)
saltsafeio.argdefined('geomfile', geomfile)
saltsafeio.argdefined('logfile', logfile)
# if the input file is a list, does it exist?
if images[0] == '@':
saltsafeio.listexists('Input', images)
# parse list of input files
infiles = saltsafeio.listparse('Raw image', images, '', '', '')
# check input files exist
saltsafeio.filesexist(infiles, '', 'r')
# load output name list: @list, * and comma separated
outimages = outimages.strip()
outpref = outpref.strip()
if len(outpref) == 0 and len(outimages) == 0:
raise SaltIOError('Output file(s) not specified')
# test output @filelist exists
if len(outimages) > 0 and outimages[0] == '@':
saltsafeio.listexists('Output', outimages)
# parse list of output files
outfiles = saltsafeio.listparse('Output image', outimages, outpref,
infiles, '')
# are input and output lists the same length?
saltsafeio.comparelists(infiles, outfiles, 'Input', 'output')
# do the output files already exist?
if not clobber:
saltsafeio.filesexist(outfiles, '', 'w')
# does CCD geometry definition file exist
geomfilefile = geomfile.strip()
saltsafeio.fileexists(geomfile)
# read geometry definition file
gap = 0
xshift = [0, 0]
yshift = [0, 0]
rotation = [0, 0]
gap, xshift, yshift, rotation = saltsafeio.readccdgeom(geomfile)
for ro in rotation:
if ro != 0:
log.warning('SLOTMERGE currently ignores CCD rotation')
# Begin processes each file
for infile, outfile in zip(infiles, outfiles):
# determine the name for the output file
outpath = outfile.rstrip(os.path.basename(outfile))
if (len(outpath) == 0):
outpath = '.'
# open each raw image
struct = saltsafeio.openfits(infile)
# identify instrument
instrume, keyprep, keygain, keybias, keyxtalk, keyslot = saltsafekey.instrumid(
struct, infile)
# how many amplifiers?
nccds = saltsafekey.get('NCCDS', struct[0], infile)
amplifiers = nccds * 2
#if (nccds != 2):
# raise SaltError('Can not currently handle more than two CCDs')
# CCD geometry coefficients
if instrume == 'RSS' or instrume == 'PFIS':
xsh = [xshift[0], 0., xshift[1]]
ysh = [yshift[0], 0., yshift[1]]
rot = [rotation[0], 0., rotation[1]]
refid = 1
if instrume == 'SALTICAM':
xsh = [xshift[0], 0.]
ysh = [yshift[0], 0.]
rot = [rotation[0], 0]
refid = 1
# how many extensions?
nextend = saltsafekey.get('NEXTEND', struct[0], infile)
# how many exposures
exposures = nextend / amplifiers
# CCD on-chip binning
xbin, ybin = saltsafekey.ccdbin(struct[0], infile)
gp = int(gap / xbin)
# create output hdu structure
outstruct = [None] * int(exposures + 1)
outstruct[0] = struct[0]
# iterate over exposures, stitch them to produce file of CCD images
for i in range(exposures):
# Determine the total size of the image
xsize = 0
ysize = 0
for j in range(amplifiers):
hdu = i * amplifiers + j + 1
try:
xsize += len(struct[hdu].data[0])
if ysize < len(struct[hdu].data):
ysize = len(struct[hdu].data)
except:
msg = 'Unable to access extension %i ' % hdu
raise SaltIOError(msg)
xsize += gp * (nccds - 1)
maxxsh, minxsh = determineshifts(xsh)
maxysh, minysh = determineshifts(ysh)
xsize += (maxxsh - minxsh)
ysize += (maxysh - minysh)
# Determine the x and y origins for each frame
xdist = 0
ydist = 0
shid = 0
x0 = np.zeros(amplifiers)
y0 = np.zeros(amplifiers)
for j in range(amplifiers):
x0[j] = xdist + xsh[shid] - minxsh
y0[j] = ysh[shid] - minysh
hdu = i * amplifiers + j + 1
darr = struct[hdu].data
xdist += len(darr[0])
if j % 2 == 1:
xdist += gp
shid += 1
# make the out image
outarr = np.zeros((ysize, xsize), np.float64)
# Embed each frame into the output array
for j in range(amplifiers):
hdu = i * amplifiers + j + 1
darr = struct[hdu].data
outarr = salttran.embed(darr, x0[j], y0[j], outarr)
# Add the outimage to the output structure
hdu = i * amplifiers + 1
outhdu = i + 1
outstruct[outhdu] = pyfits.ImageHDU(outarr)
outstruct[outhdu].header = struct[hdu].header
# Fix the headers in each extension
datasec = '[1:%4i,1:%4i]' % (xsize, ysize)
saltsafekey.put('DATASEC', datasec, outstruct[outhdu], outfile)
saltsafekey.rem('DETSIZE', outstruct[outhdu], outfile)
saltsafekey.rem('DETSEC', outstruct[outhdu], outfile)
saltsafekey.rem('CCDSEC', outstruct[outhdu], outfile)
saltsafekey.rem('AMPSEC', outstruct[outhdu], outfile)
# add housekeeping key words
outstruct[outhdu] = addhousekeeping(outstruct[outhdu], outhdu,
outfile)
# close input FITS file
saltsafeio.closefits(struct)
# housekeeping keywords
keymosaic = 'SLOTMERG'
fname, hist = history(level=1, wrap=False)
saltsafekey.housekeeping(struct[0], keymosaic,
'Amplifiers have been mosaiced', hist)
#saltsafekey.history(outstruct[0],hist)
# this is added for later use by
saltsafekey.put('NCCDS', 0.5, outstruct[0])
saltsafekey.put('NSCIEXT', exposures, outstruct[0])
saltsafekey.put('NEXTEND', exposures, outstruct[0])
# write FITS file of mosaiced image
outstruct = pyfits.HDUList(outstruct)
saltsafeio.writefits(outstruct, outfile, clobber=clobber)
def slotmerge(images,outimages,outpref,geomfile,clobber,logfile,verbose):
with logging(logfile,debug) as log:
# are the arguments defined
saltsafeio.argdefined('images',images)
saltsafeio.argdefined('geomfile',geomfile)
saltsafeio.argdefined('logfile',logfile)
# if the input file is a list, does it exist?
if images[0] == '@':
saltsafeio.listexists('Input',images)
# parse list of input files
infiles=saltsafeio.listparse('Raw image',images,'','','')
# check input files exist
saltsafeio.filesexist(infiles,'','r')
# load output name list: @list, * and comma separated
outimages = outimages.strip()
outpref = outpref.strip()
if len(outpref) == 0 and len(outimages) == 0:
raise SaltIOError('Output file(s) not specified')
# test output @filelist exists
if len(outimages) > 0 and outimages[0] == '@':
saltsafeio.listexists('Output',outimages)
# parse list of output files
outfiles=saltsafeio.listparse('Output image',outimages,outpref,infiles,'')
# are input and output lists the same length?
saltsafeio.comparelists(infiles,outfiles,'Input','output')
# do the output files already exist?
if not clobber:
saltsafeio.filesexist(outfiles,'','w')
# does CCD geometry definition file exist
geomfilefile = geomfile.strip()
saltsafeio.fileexists(geomfile)
# read geometry definition file
gap = 0
xshift = [0, 0]
yshift = [0, 0]
rotation = [0, 0]
gap, xshift, yshift, rotation=saltsafeio.readccdgeom(geomfile)
for ro in rotation:
if ro!=0:
log.warning('SLOTMERGE currently ignores CCD rotation')
# Begin processes each file
for infile, outfile in zip(infiles, outfiles):
# determine the name for the output file
outpath = outfile.rstrip(os.path.basename(outfile))
if (len(outpath) == 0):
outpath = '.'
# open each raw image
struct=saltsafeio.openfits(infile)
# identify instrument
instrume,keyprep,keygain,keybias,keyxtalk,keyslot=saltsafekey.instrumid(struct,infile)
# how many amplifiers?
nccds=saltsafekey.get('NCCDS',struct[0],infile)
amplifiers = nccds * 2
#if (nccds != 2):
# raise SaltError('Can not currently handle more than two CCDs')
# CCD geometry coefficients
if instrume == 'RSS' or instrume == 'PFIS':
xsh = [xshift[0], 0., xshift[1]]
ysh = [yshift[0], 0., yshift[1]]
rot = [rotation[0], 0., rotation[1]]
refid = 1
if instrume == 'SALTICAM':
xsh = [xshift[0], 0.]
ysh = [yshift[0], 0.]
rot = [rotation[0], 0]
refid = 1
# how many extensions?
nextend=saltsafekey.get('NEXTEND',struct[0],infile)
# how many exposures
exposures = nextend/amplifiers
# CCD on-chip binning
xbin, ybin=saltsafekey.ccdbin(struct[0],infile)
gp = int(gap / xbin)
# create output hdu structure
outstruct = [None] * int(exposures+1)
outstruct[0]=struct[0]
# iterate over exposures, stitch them to produce file of CCD images
for i in range(exposures):
# Determine the total size of the image
xsize=0
ysize=0
for j in range(amplifiers):
hdu=i*amplifiers+j+1
try:
xsize += len(struct[hdu].data[0])
if ysize < len(struct[hdu].data):
ysize=len(struct[hdu].data)
except:
msg='Unable to access extension %i ' % hdu
raise SaltIOError(msg)
xsize += gp* (nccds-1)
maxxsh, minxsh = determineshifts(xsh)
maxysh, minysh = determineshifts(ysh)
xsize += (maxxsh-minxsh)
ysize += (maxysh-minysh)
# Determine the x and y origins for each frame
xdist=0
ydist=0
shid=0
x0=np.zeros(amplifiers)
y0=np.zeros(amplifiers)
for j in range(amplifiers):
x0[j]=xdist+xsh[shid]-minxsh
y0[j]=ysh[shid]-minysh
hdu=i*amplifiers+j+1
darr=struct[hdu].data
xdist += len(darr[0])
if j%2==1:
xdist += gp
shid += 1
# make the out image
outarr=np.zeros((ysize, xsize), np.float64)
# Embed each frame into the output array
for j in range(amplifiers):
hdu=i*amplifiers+j+1
darr=struct[hdu].data
outarr=salttran.embed(darr, x0[j], y0[j], outarr)
# Add the outimage to the output structure
hdu=i*amplifiers+1
outhdu=i+1
outstruct[outhdu] = pyfits.ImageHDU(outarr)
outstruct[outhdu].header=struct[hdu].header
# Fix the headers in each extension
datasec='[1:%4i,1:%4i]' % (xsize, ysize)
saltsafekey.put('DATASEC',datasec, outstruct[outhdu], outfile)
saltsafekey.rem('DETSIZE',outstruct[outhdu],outfile)
saltsafekey.rem('DETSEC',outstruct[outhdu],outfile)
saltsafekey.rem('CCDSEC',outstruct[outhdu],outfile)
saltsafekey.rem('AMPSEC',outstruct[outhdu],outfile)
# add housekeeping key words
outstruct[outhdu]=addhousekeeping(outstruct[outhdu], outhdu, outfile)
# close input FITS file
saltsafeio.closefits(struct)
# housekeeping keywords
keymosaic='SLOTMERG'
fname, hist=history(level=1, wrap=False)
saltsafekey.housekeeping(struct[0],keymosaic,'Amplifiers have been mosaiced', hist)
#saltsafekey.history(outstruct[0],hist)
# this is added for later use by
saltsafekey.put('NCCDS', 0.5, outstruct[0])
saltsafekey.put('NSCIEXT', exposures, outstruct[0])
saltsafekey.put('NEXTEND', exposures, outstruct[0])
# write FITS file of mosaiced image
outstruct=pyfits.HDUList(outstruct)
saltsafeio.writefits(outstruct, outfile, clobber=clobber)