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/* Copyright (c) 1992 Regents of the University of California */ |
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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|
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/* |
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* Combine picture files according to calcomp functions. |
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* |
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* 1/4/89 |
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*/ |
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|
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#include "standard.h" |
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#include "platform.h" |
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#include "rtprocess.h" |
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#include "rterror.h" |
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#include "color.h" |
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|
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#include "resolu.h" |
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|
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#include "calcomp.h" |
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|
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#include "view.h" |
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|
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#define MAXINP 32 /* maximum number of input files */ |
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#define WINSIZ 17 /* scanline window size */ |
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#define WINSIZ 64 /* scanline window size */ |
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#define MIDSCN ((WINSIZ-1)/2+1) |
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|
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struct { |
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char vbrtout[] = "lo"; |
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char vcolexp[3][4] = {"re", "ge", "be"}; |
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char vbrtexp[] = "le"; |
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char vpixaspect[] = "pa"; |
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|
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char vray[6][4] = {"Ox", "Oy", "Oz", "Dx", "Dy", "Dz"}; |
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char vray[7][4] = {"Ox", "Oy", "Oz", "Dx", "Dy", "Dz", "T"}; |
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|
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char vpsize[] = "S"; |
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|
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char vnfiles[] = "nfiles"; |
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char vwhteff[] = "WE"; |
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char vxmax[] = "xmax"; |
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char vymax[] = "ymax"; |
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char vxres[] = "xres"; |
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int wrongformat = 0; |
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int gotview; |
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|
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FILE *popen(); |
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|
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extern char *emalloc(); |
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static gethfunc tabputs; |
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main(argc, argv) |
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int argc; |
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int original; |
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double f; |
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int a, i; |
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#ifdef MSDOS |
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extern int _fmode; |
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_fmode = O_BINARY; |
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setmode(fileno(stdin), O_BINARY); |
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setmode(fileno(stdout), O_BINARY); |
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#endif |
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SET_DEFAULT_BINARY(); |
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SET_FILE_BINARY(stdin); |
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SET_FILE_BINARY(stdout); |
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progname = argv[0]; |
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/* scan options */ |
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for (a = 1; a < argc; a++) { |
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break; |
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} |
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newheader("RADIANCE", stdout); /* start header */ |
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fputnow(stdout); |
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/* process files */ |
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for (nfiles = 0; nfiles < MAXINP; nfiles++) { |
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setcolor(input[nfiles].coef, 1.0, 1.0, 1.0); |
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setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
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copystruct(&input[nfiles].vw, &stdview); |
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input[nfiles].vw = stdview; |
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input[nfiles].pa = 1.0; |
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} |
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nfiles = 0; |
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colval(input[nfiles].expos,GRN); |
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colval(input[nfiles].coef,BLU) /= |
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colval(input[nfiles].expos,BLU); |
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setcolor(input[nfiles].expos, 1.0, 1.0, 1.0); |
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} |
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nfiles++; |
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original = 0; |
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} |
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tputs(s) /* put out string preceded by a tab */ |
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char *s; |
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static int |
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tabputs( /* put out string preceded by a tab */ |
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char *s, |
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void *p |
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) |
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{ |
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char fmt[32]; |
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double d; |
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COLOR ctmp; |
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|
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if (isheadid(s)) /* header id */ |
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return; /* don't echo */ |
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return(0); /* don't echo */ |
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if (formatval(fmt, s)) { /* check format */ |
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if (globmatch(ourfmt, fmt)) { |
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wrongformat = 0; |
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strcpy(ourfmt, fmt); |
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} else |
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wrongformat = 1; |
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return; /* don't echo */ |
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wrongformat = globmatch(PICFMT, fmt) ? 1 : -1; |
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return(0); /* don't echo */ |
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} |
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if (isexpos(s)) { /* exposure */ |
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d = exposval(s); |
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} else if (iscolcor(s)) { /* color correction */ |
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colcorval(ctmp, s); |
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multcolor(input[nfiles].expos, ctmp); |
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} else if (isaspect(s)) { |
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} else if (isaspect(s)) |
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input[nfiles].pa *= aspectval(s); |
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} else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
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else if (isview(s) && sscanview(&input[nfiles].vw, s) > 0) |
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gotview++; |
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/* echo line */ |
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putchar('\t'); |
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fputs(s, stdout); |
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return(fputs(s, stdout)); |
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} |
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gotview = 0; |
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fputs(input[nfiles].name, stdout); |
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fputs(":\n", stdout); |
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getheader(input[nfiles].fp, tputs, NULL); |
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if (wrongformat) { |
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getheader(input[nfiles].fp, tabputs, NULL); |
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if (wrongformat < 0) { |
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eputs(input[nfiles].name); |
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eputs(": not in Radiance picture format\n"); |
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eputs(": not a Radiance picture\n"); |
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quit(1); |
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} |
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if (wrongformat > 0) { |
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wputs(input[nfiles].name); |
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wputs(": warning -- incompatible picture format\n"); |
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} |
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if (!gotview || setview(&input[nfiles].vw) != NULL) |
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input[nfiles].vw.type = 0; |
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if (!fgetsresolu(&input[nfiles].rs, input[nfiles].fp)) { |
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|
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init() /* perform final setup */ |
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{ |
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double l_colin(), l_expos(), l_ray(), l_psize(); |
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double l_colin(char *), l_expos(char *), l_pixaspect(char *), |
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l_ray(char *), l_psize(char *); |
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register int i; |
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/* define constants */ |
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varset("PI", ':', PI); |
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varset(vnfiles, ':', (double)nfiles); |
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varset(vxmax, ':', (double)xmax); |
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varset(vymax, ':', (double)ymax); |
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} |
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funset(vbrtexp, 1, ':', l_expos); |
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funset(vbrtin, 1, '=', l_colin); |
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for (i = 0; i < 6; i++) |
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funset(vpixaspect, 1, ':', l_pixaspect); |
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for (i = 0; i < 7; i++) |
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funset(vray[i], 1, '=', l_ray); |
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funset(vpsize, 1, '=', l_psize); |
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/* set brightness function */ |
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if (!strcmp(ourfmt, CIEFMT)) |
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if (!strcmp(ourfmt, CIEFMT)) { |
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varset(vwhteff, ':', 1.0); |
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ourbright = xyz_bright; |
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} else |
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varset(vwhteff, ':', WHTEFFICACY); |
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} |
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quit(1); |
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} |
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} |
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efree(scanout); |
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efree((char *)scanout); |
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} |
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|
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double |
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l_pixaspect(char *nm) /* return pixel aspect ratio */ |
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{ |
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register int fn; |
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|
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fn = argument(1) - .5; |
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if (fn < 0 || fn >= nfiles) |
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return(1.0); |
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return(input[fn].pa); |
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} |
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|
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|
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double |
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l_colin(nam) /* return color value for picture */ |
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register char *nam; |
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{ |
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register int n, xoff, yoff; |
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double d; |
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|
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d = argument(1); |
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if (d > -.5 && d < .5) |
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return((double)nfiles); |
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fn = d - .5; |
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fn = argument(1) - .5; |
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if (fn < 0 || fn >= nfiles) { |
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errno = EDOM; |
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return(0.0); |
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{ |
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static unsigned long ltick[MAXINP]; |
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static FVECT lorg[MAXINP], ldir[MAXINP]; |
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FLOAT loc[2]; |
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double d; |
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static double ldist[MAXINP]; |
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RREAL loc[2]; |
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int fn; |
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register int i; |
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|
530 |
< |
d = argument(1); |
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if (d > -.5 && d < .5) |
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return((double)nfiles); |
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fn = d - .5; |
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fn = argument(1) - .5; |
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if (fn < 0 || fn >= nfiles) { |
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errno = EDOM; |
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return(0.0); |
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} |
535 |
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if (ltick[fn] < eclock) { /* need to compute? */ |
535 |
> |
if (ltick[fn] != eclock) { /* need to compute? */ |
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lorg[fn][0] = lorg[fn][1] = lorg[fn][2] = 0.0; |
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ldir[fn][0] = ldir[fn][1] = ldir[fn][2] = 0.0; |
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ldist[fn] = -1.0; |
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if (input[fn].vw.type == 0) |
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errno = EDOM; |
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else { |
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pix2loc(loc, &input[fn].rs, xscan, ymax-1-yscan); |
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< |
if (viewray(lorg[fn], ldir[fn], |
544 |
< |
&input[fn].vw, loc[0], loc[1]) < 0) |
530 |
< |
errno = ERANGE; |
531 |
< |
ltick[fn] = eclock; |
543 |
> |
ldist[fn] = viewray(lorg[fn], ldir[fn], |
544 |
> |
&input[fn].vw, loc[0], loc[1]); |
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} |
546 |
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ltick[fn] = eclock; |
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} |
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i = 6; |
548 |
> |
if (nam == vray[i=6]) |
549 |
> |
return(ldist[fn]); |
550 |
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while (i--) |
551 |
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if (nam == vray[i]) |
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return(i < 3 ? lorg[fn][i] : ldir[fn][i-3]); |
556 |
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|
557 |
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|
558 |
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double |
559 |
< |
l_psize() /* compute pixel size in steradians */ |
559 |
> |
l_psize(char *nm) /* compute pixel size in steradians */ |
560 |
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{ |
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static unsigned long ltick[MAXINP]; |
562 |
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static double psize[MAXINP]; |
563 |
< |
FVECT dir0, org1, dir1; |
564 |
< |
FLOAT loc[2]; |
563 |
> |
FVECT dir0, org, dirx, diry; |
564 |
> |
RREAL locx[2], locy[2]; |
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double d; |
566 |
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int fn; |
567 |
+ |
register int i; |
568 |
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|
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d = argument(1); |
570 |
< |
if (d > -.5 && d < .5) |
555 |
< |
return((double)nfiles); |
556 |
< |
fn = d - .5; |
557 |
< |
if (fn < 0 || fn >= nfiles) { |
570 |
> |
if (d < .5 || d >= nfiles+.5) { |
571 |
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errno = EDOM; |
572 |
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return(0.0); |
573 |
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} |
574 |
< |
if (ltick[fn] < eclock) /* need to compute? */ |
575 |
< |
if (input[fn].vw.type == 0 || input[fn].vw.type == VT_PAR) |
574 |
> |
fn = d - .5; |
575 |
> |
if (ltick[fn] != eclock) { /* need to compute? */ |
576 |
> |
psize[fn] = 0.0; |
577 |
> |
if (input[fn].vw.type == 0) |
578 |
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errno = EDOM; |
579 |
< |
else { |
580 |
< |
errno = 0; |
581 |
< |
dir0[0] = funvalue(vray[3], 1, &d); |
582 |
< |
if (errno) |
583 |
< |
return(0.0); |
584 |
< |
dir0[1] = funvalue(vray[4], 1, &d); |
585 |
< |
if (errno) |
586 |
< |
return(0.0); |
587 |
< |
dir0[2] = funvalue(vray[5], 1, &d); |
588 |
< |
if (errno) |
574 |
< |
return(0.0); |
575 |
< |
pix2loc(loc, &input[fn].rs, xscan+1, ymax-yscan); |
576 |
< |
psize[fn] = 0.0; |
577 |
< |
if (viewray(org1, dir1, |
578 |
< |
&input[fn].vw, loc[0], loc[1]) < 0) |
579 |
< |
errno = ERANGE; |
580 |
< |
else { |
579 |
> |
else if (input[fn].vw.type != VT_PAR && |
580 |
> |
funvalue(vray[6], 1, &d) >= 0) { |
581 |
> |
for (i = 0; i < 3; i++) |
582 |
> |
dir0[i] = funvalue(vray[3+i], 1, &d); |
583 |
> |
pix2loc(locx, &input[fn].rs, xscan+1, ymax-1-yscan); |
584 |
> |
pix2loc(locy, &input[fn].rs, xscan, ymax-yscan); |
585 |
> |
if (viewray(org, dirx, &input[fn].vw, |
586 |
> |
locx[0], locx[1]) >= 0 && |
587 |
> |
viewray(org, diry, &input[fn].vw, |
588 |
> |
locy[0], locy[1]) >= 0) { |
589 |
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/* approximate solid angle */ |
590 |
< |
psize[fn] = dist2(dir0, dir1) * input[fn].pa / |
591 |
< |
(1.0 + input[fn].pa*input[fn].pa); |
592 |
< |
ltick[fn] = eclock; |
590 |
> |
for (i = 0; i < 3; i++) { |
591 |
> |
dirx[i] -= dir0[i]; |
592 |
> |
diry[i] -= dir0[i]; |
593 |
> |
} |
594 |
> |
fcross(dir0, dirx, diry); |
595 |
> |
psize[fn] = sqrt(DOT(dir0,dir0)); |
596 |
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} |
597 |
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} |
598 |
+ |
ltick[fn] = eclock; |
599 |
+ |
} |
600 |
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return(psize[fn]); |
601 |
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} |
602 |
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|
603 |
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|
604 |
< |
wputs(msg) |
605 |
< |
char *msg; |
604 |
> |
extern void |
605 |
> |
wputs(char *msg) |
606 |
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{ |
607 |
|
if (!nowarn) |
608 |
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eputs(msg); |
609 |
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} |
610 |
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|
611 |
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|
612 |
< |
eputs(msg) |
613 |
< |
char *msg; |
612 |
> |
extern void |
613 |
> |
eputs(char *msg) |
614 |
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{ |
615 |
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fputs(msg, stderr); |
616 |
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} |
617 |
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|
618 |
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|
619 |
< |
quit(code) /* exit gracefully */ |
620 |
< |
int code; |
619 |
> |
extern void |
620 |
> |
quit(int code) /* exit gracefully */ |
621 |
|
{ |
622 |
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register int i; |
623 |
|
/* close input files */ |