Posted: Sat Feb 26, 2011 8:16 pm Post subject: problem with darkcombine
I don't know why I have this problem with darkcombine:
input = dark* List of dark images to combine
(output = Darkn1) Output dark image root name
(combine= average) Type of combine operation
(reject = minmax) Type of rejection
(ccdtype= dark) CCD image type to combine
(process= yes) Process images before combining?
(delete = no) Delete input images after combining?
(clobber= no) Clobber existing output image?
(scale = exposure) Image scaling
(statsec= ) Image section for computing statistics
(nlow = 0) minmax: Number of low pixels to reject
(nhigh = 1) minmax: Number of high pixels to reject
(nkeep = 1) Minimum to keep (pos) or maximum to reject (neg)
(mclip = yes) Use median in sigma clipping algorithms?
(lsigma = 3.) Lower sigma clipping factor
(hsigma = 3.) Upper sigma clipping factor
(rdnoise= 0.) ccdclip: CCD readout noise (electrons)
(gain = 1.) ccdclip: CCD gain (electrons/DN)
(snoise = 0.) ccdclip: Sensitivity noise (fraction)
(pclip = -0.5) pclip: Percentile clipping parameter
(blank = 0.) Value if there are no pixels
(mode = ql)
ERROR: Cannot open image (Zero)
"ccdproc (ims, output="", ccdtype=ccdtype, noproc=no)"
line 37: ccdred$darkcombine.cl
called as: `darkcombine (mode=h)'
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