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1 files changed, 48 insertions, 0 deletions

diff --git a/noao/imred/ccdred/zerocombine.cl b/noao/imred/ccdred/zerocombine.cl
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+# ZEROCOMBINE -- Process and combine zero level CCD images.
+
+procedure zerocombine (input)
+
+string	input			{prompt="List of zero level images to combine"}
+file	output="Zero"		{prompt="Output zero level name"}
+string	combine="average"	{prompt="Type of combine operation",
+				 enum="average|median"}
+string	reject="minmax"		{prompt="Type of rejection",
+		enum="none|minmax|ccdclip|crreject|sigclip|avsigclip|pclip"}
+string	ccdtype="zero"	{prompt="CCD image type to combine"}
+bool	process=no	{prompt="Process images before combining?"}
+bool	delete=no	{prompt="Delete input images after combining?"}
+bool	clobber=no	{prompt="Clobber existing output image?"}
+string	scale="none"	{prompt="Image scaling",
+			 enum="none|mode|median|mean|exposure"}
+string	statsec=""	{prompt="Image section for computing statistics"}
+int	nlow=0		{prompt="minmax: Number of low pixels to reject"}
+int	nhigh=1		{prompt="minmax: Number of high pixels to reject"}
+int	nkeep=1		{prompt="Minimum to keep (pos) or maximum to reject (neg)"}
+bool	mclip=yes	{prompt="Use median in sigma clipping algorithms?"}
+real	lsigma=3.	{prompt="Lower sigma clipping factor"}
+real	hsigma=3.	{prompt="Upper sigma clipping factor"}
+string	rdnoise="0."	{prompt="ccdclip: CCD readout noise (electrons)"}
+string	gain="1."	{prompt="ccdclip: CCD gain (electrons/DN)"}
+string	snoise="0."	{prompt="ccdclip: Sensitivity noise (fraction)"}
+real	pclip=-0.5	{prompt="pclip: Percentile clipping parameter"}
+real	blank=0.	{prompt="Value if there are no pixels"}
+
+begin
+	string	ims
+
+	ims = input
+
+	# Process images first if desired.
+	if (process == YES)
+	    ccdproc (ims, output="", ccdtype=ccdtype, noproc=no)
+
+	# Combine the flat field images.
+	combine (ims, output=output, plfile="", sigma="", combine=combine,
+	    reject=reject, ccdtype=ccdtype, subsets=no, delete=delete,
+	    clobber=clobber, project=no, outtype="real", offsets="none",
+	    masktype="none", blank=blank, scale=scale, zero="none", weight=no,
+	    statsec=statsec, lthreshold=INDEF, hthreshold=INDEF, nlow=nlow,
+	    nhigh=nhigh, nkeep=nkeep, mclip=mclip, lsigma=lsigma, hsigma=hsigma,
+	    rdnoise=rdnoise, gain=gain, snoise=snoise, sigscale=0.1,
+	    pclip=pclip, grow=0)
+end