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root/radiance/ray/src/util/rmtxop.c
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Comparing ray/src/util/rmtxop.c (file contents):
Revision 2.37 by greg, Fri Apr 4 01:48:25 2025 UTC vs.
Revision 2.41 by greg, Fri Apr 18 23:59:03 2025 UTC

# Line 10 | Line 10 | static const char RCSid[] = "$Id$";
10   #include "rmatrix.h"
11   #include "platform.h"
12  
13 < #ifndef MAXCOMP
14 < #define MAXCOMP         MAXCSAMP        /* #components we support */
15 < #endif
13 > /* Preferred BSDF component:
14 >        none, transmission, reflection front (normal side), reflection back */
15 > typedef enum {RMPnone=-1, RMPtrans=0, RMPreflF, RMPreflB} RMPref;
16  
17   /* Unary matrix operation(s) */
18   typedef struct {
# Line 39 | Line 39 | int    verbose = 0;                    /* verbose reporting? */
39   int
40   loadmatrix(ROPMAT *rop)
41   {
42 <        if (rop->mtx != NULL)           /* already loaded? */
42 >        if (rop->mtx)                   /* already loaded? */
43                  return(0);
44 +                                        /* check for BSDF input */
45 +        if ((rop->inspec[0] != '!') & (rop->rmp != RMPnone)) {
46 +                const char      *sp = strrchr(rop->inspec, '.');
47 +                if (sp > rop->inspec && !strcasecmp(sp+1, "XML")) {
48 +                        CMATRIX *cm = rop->rmp==RMPtrans ? cm_loadBTDF(rop->inspec) :
49 +                                        cm_loadBRDF(rop->inspec, rop->rmp==RMPreflB) ;
50 +                        if (!cm)
51 +                                return(-1);
52 +                        rop->mtx = rmx_from_cmatrix(cm);
53 +                        cm_free(cm);
54 +                        rop->mtx->dtype = DTascii;
55 +                        return(1);      /* loaded BSDF XML file */
56 +                }
57 +        }                               /* else load regular matrix */
58 +        rop->mtx = rmx_load(rop->inspec);
59  
60 <        rop->mtx = rmx_load(rop->inspec, rop->rmp);
46 <
47 <        return(!rop->mtx ? -1 : 1);
60 >        return(rop->mtx ? 1 : -1);
61   }
62  
63   extern int      checksymbolic(ROPMAT *rop);
# Line 680 | Line 693 | main(int argc, char *argv[])
693          mres = loadop(mop+nmats);
694          if (mres == NULL)
695                  return(1);
696 <        if (outfmt == DTfromHeader)     /* check data type */
696 >        if ((outfmt == DTfromHeader) & (mres->dtype < DTspec))
697                  outfmt = mres->dtype;
698 <        if (outfmt == DTrgbe) {
698 >        if (outfmt == DTrgbe) {         /* check data type */
699                  if (mres->ncomp > 3)
700                          outfmt = DTspec;
701                  else if (mres->dtype == DTxyze)
702                          outfmt = DTxyze;
703          }
704 + #if DTrmx_native==DTfloat
705 +        if (outfmt == DTdouble)
706 +                fprintf(stderr,
707 +                        "%s: warning - writing float result as double\n",
708 +                                argv[0]);
709 + #endif
710          newheader("RADIANCE", stdout);  /* write result to stdout */
711          printargs(argc, argv, stdout);
712          return(rmx_write(mres, outfmt, stdout) ? 0 : 1);

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