diff options
Diffstat (limited to 'noao/digiphot/apphot/phot/t_qphot.x')
-rw-r--r-- | noao/digiphot/apphot/phot/t_qphot.x | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/noao/digiphot/apphot/phot/t_qphot.x b/noao/digiphot/apphot/phot/t_qphot.x new file mode 100644 index 00000000..91174e78 --- /dev/null +++ b/noao/digiphot/apphot/phot/t_qphot.x @@ -0,0 +1,293 @@ +include <fset.h> +include <gset.h> +include <lexnum.h> +include <imhdr.h> +include "../lib/apphot.h" +include "../lib/fitsky.h" + +# T_QPHOT -- Procedure to measure magnitudes inside a set of apertures for a +# list of stars in a list of images. + +procedure t_qphot () + +pointer image # pointer name of the image +pointer output # pointer output file name +pointer coords # pointer to the coordinate file +pointer plotfile # file of plot metacode +pointer graphics # graphics display device +pointer display # display device +int cache # cache input image pixels in memory +int verbose # verbose mode + +pointer sp, outfname, cname, ap, im, gd, mgd, id, str +int limlist, lclist, lolist, cl, sid, lid, out, root, stat, pfd, interactive +int imlist, olist, clist, memstat, wcs, req_size, old_size, buf_size + +pointer immap(), gopen() +int imtlen(), imtgetim(), clplen(), clgfil(), btoi(), strncmp() +int fnldir(), strlen(), apqphot(), imtopenp(), clpopnu(), open() +int clgwrd(), ap_memstat(), sizeof() +bool clgetb(), streq() +errchk gopen + +begin + # Allocate temporary space. + call smark (sp) + call salloc (image, SZ_FNAME, TY_CHAR) + call salloc (coords, SZ_FNAME, TY_CHAR) + call salloc (output, SZ_FNAME, TY_CHAR) + call salloc (plotfile, SZ_FNAME, TY_CHAR) + call salloc (graphics, SZ_FNAME, TY_CHAR) + call salloc (display, SZ_FNAME, TY_CHAR) + call salloc (outfname, SZ_FNAME, TY_CHAR) + call salloc (cname, SZ_FNAME, TY_CHAR) + call salloc (str, SZ_FNAME, TY_CHAR) + + # Set the standard output to flush on newline. + call fseti (STDOUT, F_FLUSHNL, YES) + + # Get the task parameters. + imlist = imtopenp ("image") + limlist = imtlen (imlist) + clist = clpopnu ("coords") + lclist = clplen (clist) + olist = clpopnu ("output") + lolist = clplen (olist) + + # Check that image and coordinate list lengths match. + if (limlist < 1 || (lclist > 1 && lclist != limlist)) { + call imtclose (imlist) + call clpcls (clist) + call clpcls (olist) + call error (0, "Imcompatible image and coordinate list lengths") + } + + # Check that image and output list lengths match. + if (lolist > 1 && lolist != limlist) { + call imtclose (imlist) + call clpcls (olist) + call error (0, "Imcompatible image and output list lengths") + } + + # Intialize the phot structure. + call clgstr ("icommands.p_filename", Memc[cname], SZ_FNAME) + if (Memc[cname] != EOS) + interactive = NO + #else if (lclist == 0) + #interactive = YES + else + interactive = btoi (clgetb ("interactive")) + cache = btoi (clgetb ("cache")) + verbose = btoi (clgetb ("verbose")) + + # Get the parameters. + call ap_gqppars (ap) + + # Get the wcs information. + wcs = clgwrd ("wcsin", Memc[str], SZ_LINE, WCSINSTR) + if (wcs <= 0) { + call eprintf ( + "Warning: Setting the input coordinate system to logical\n") + wcs = WCS_LOGICAL + } + call apseti (ap, WCSIN, wcs) + wcs = clgwrd ("wcsout", Memc[str], SZ_LINE, WCSOUTSTR) + if (wcs <= 0) { + call eprintf ( + "Warning: Setting the output coordinate system to logical\n") + wcs = WCS_LOGICAL + } + call apseti (ap, WCSOUT, wcs) + + # Get the graphics and display devices. + call clgstr ("graphics", Memc[graphics], SZ_FNAME) + call clgstr ("display", Memc[display], SZ_FNAME) + + # Open the plot files. + if (interactive == YES) { + if (Memc[graphics] == EOS) + gd = NULL + else { + iferr { + gd = gopen (Memc[graphics], APPEND+AW_DEFER, STDGRAPH) + } then { + call eprintf ( + "Warning: Error opening graphics device.\n") + gd = NULL + } + } + if (Memc[display] == EOS) + id = NULL + else if (streq (Memc[graphics], Memc[display])) + id = gd + else { + iferr { + id = gopen (Memc[display], APPEND, STDIMAGE) + } then { + call eprintf ( + "Warning: Graphics overlay not available for display device.\n") + id = NULL + } + } + } else { + gd = NULL + id = NULL + } + + # Open the plot metacode file. + call clgstr ("plotfile", Memc[plotfile], SZ_FNAME) + if (Memc[plotfile] == EOS) + pfd = NULL + else + pfd = open (Memc[plotfile], APPEND, BINARY_FILE) + if (pfd != NULL) + mgd = gopen (Memc[graphics], NEW_FILE, pfd) + else + mgd = NULL + + # Begin looping over the image list. + sid = 1 + while (imtgetim (imlist, Memc[image], SZ_FNAME) != EOF) { + + # Open the image and store image parameters. + im = immap (Memc[image], READ_ONLY, 0) + call apimkeys (ap, im, Memc[image]) + + # Set the image display viewport. + if ((id != NULL) && (id != gd)) + call ap_gswv (id, Memc[image], im, 4) + + # Cache the input image pixels. + req_size = MEMFUDGE * IM_LEN(im,1) * IM_LEN(im,2) * + sizeof (IM_PIXTYPE(im)) + memstat = ap_memstat (cache, req_size, old_size) + if (memstat == YES) + call ap_pcache (im, INDEFI, buf_size) + + # Open the coordinate file, where coords is assumed to be a simple + # text file in which the x and y positions are in columns 1 and 2 + # respectively and all remaining fields are ignored. + + if (lclist <= 0) { + cl = NULL + call strcpy ("", Memc[outfname], SZ_FNAME) + } else { + stat = clgfil (clist, Memc[coords], SZ_FNAME) + root = fnldir (Memc[coords], Memc[outfname], SZ_FNAME) + if (strncmp ("default", Memc[coords+root], 7) == 0 || root == + strlen (Memc[coords])) { + call ap_inname (Memc[image], Memc[outfname], "coo", + Memc[outfname], SZ_FNAME) + lclist = limlist + cl = open (Memc[outfname], READ_ONLY, TEXT_FILE) + } else if (stat != EOF) { + call strcpy (Memc[coords], Memc[outfname], SZ_FNAME) + cl = open (Memc[outfname], READ_ONLY, TEXT_FILE) + } else { + call apstats (ap, CLNAME, Memc[outfname], SZ_FNAME) + call seek (cl, BOF) + } + } + call apsets (ap, CLNAME, Memc[outfname]) + call apfroot (Memc[outfname], Memc[str], SZ_FNAME) + call apsets (ap, CLROOT, Memc[str]) + + # Open the output text file, if output is "default", dir$default or + # a directory specification then the extension "mag" is added to the + # image name and a suitable version number is appended to the output + # name. If output is the null string then no output file is created. + + if (lolist == 0) { + out = NULL + call strcpy ("", Memc[outfname], SZ_FNAME) + } else { + stat = clgfil (olist, Memc[output], SZ_FNAME) + root = fnldir (Memc[output], Memc[outfname], SZ_FNAME) + if (strncmp ("default", Memc[output+root], 7) == 0 || root == + strlen (Memc[output])) { + call apoutname (Memc[image], Memc[outfname], "mag", + Memc[outfname], SZ_FNAME) + out = open (Memc[outfname], NEW_FILE, TEXT_FILE) + lolist = limlist + } else if (stat != EOF) { + call strcpy (Memc[output], Memc[outfname], SZ_FNAME) + out = open (Memc[outfname], NEW_FILE, TEXT_FILE) + } else + call apstats (ap, OUTNAME, Memc[outfname], SZ_FNAME) + } + call apsets (ap, OUTNAME, Memc[outfname]) + + # Do aperture photometry. + if (interactive == NO) { + if (Memc[cname] != EOS) + stat = apqphot (ap, im, cl, NULL, mgd, NULL, out, sid, NO, + cache) + else if (cl != NULL) { + lid = 1 + call apbphot (ap, im, cl, NULL, out, sid, lid, gd, mgd, id, + verbose) + stat = NO + } else + stat = NO + } else + stat = apqphot (ap, im, cl, gd, mgd, id, out, sid, YES, cache) + + # Cleanup. + call imunmap (im) + if (cl != NULL) { + if (lclist > 1) + call close (cl) + } + if (out != NULL && lolist != 1) { + call close (out) + if (sid <= 1) { + call apstats (ap, OUTNAME, Memc[outfname], SZ_FNAME) + call delete (Memc[outfname]) + } + sid = 1 + } + + # Uncache memory. + call fixmem (old_size) + + if (stat == YES) + break + } + + + # Close the coordinate, sky and output files. + if (cl != NULL && lclist == 1) + call close (cl) + if (out != NULL && lolist == 1) { + call close (out) + if (sid <= 1) { + call apstats (ap, OUTNAME, Memc[outfname], SZ_FNAME) + call delete (Memc[outfname]) + } + } + + # Close up the plot files. + if (id == gd && id != NULL) + call gclose (id) + else { + if (gd != NULL) + call gclose (gd) + if (id != NULL) + call gclose (id) + } + if (mgd != NULL) + call gclose (mgd) + if (pfd != NULL) + call close (pfd) + + # Free the apphot data structure. + call appfree (ap) + + # Close the coord, sky and image lists. + call imtclose (imlist) + call clpcls (clist) + call clpcls (olist) + + # Free working space. + call sfree (sp) +end |