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#ifndef lint |
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static const char RCSid[] = "$Id"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* Replace markers in Radiance scene description with objects or instances. |
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#include "platform.h" |
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#include "rtio.h" |
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#include "rtprocess.h" |
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> |
#include "paths.h" |
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#include "fvect.h" |
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|
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#ifdef M_PI |
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#define PI 3.14159265358979323846 |
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#endif |
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|
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#define FEQ(a,b) ((a)-(b) <= 1e-7 && (b)-(a) <= 1e-7) |
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|
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#define MAXVERT 6 /* maximum number of vertices for markers */ |
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#define MAXMARK 32 /* maximum number of markers */ |
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#define MAXMARK 128 /* maximum number of markers */ |
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|
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#define USE_XFORM 1 /* use !xform inline command */ |
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#define USE_INSTANCE 2 /* use instance primitive */ |
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#define USE_MESH 3 /* use mesh primitive */ |
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|
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typedef struct { |
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short beg, end; /* beginning and ending vertex */ |
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float len2; /* length squared */ |
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double mscale; /* scale by this to get unit */ |
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char *modin; /* input modifier indicating marker */ |
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char *objname; /* output object file or octree */ |
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int doxform; /* true if xform, false if instance */ |
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} marker[MAXMARK]; /* array of markers */ |
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int usetype; /* one of USE_* above */ |
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} marker[MAXMARK+1]; /* array of markers */ |
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int nmarkers = 0; /* number of markers */ |
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|
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int expand; /* expand commands? */ |
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do { |
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switch (argv[i][1]) { |
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case 'i': |
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marker[nmarkers].doxform = 0; |
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marker[nmarkers].usetype = USE_INSTANCE; |
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marker[nmarkers].objname = argv[++i]; |
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break; |
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case 'I': |
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marker[nmarkers].usetype = USE_MESH; |
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marker[nmarkers].objname = argv[++i]; |
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break; |
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case 'x': |
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marker[nmarkers].doxform = 1; |
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marker[nmarkers].usetype = USE_XFORM; |
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marker[nmarkers].objname = argv[++i]; |
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break; |
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case 'e': |
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} while (argv[i][0] == '-'); |
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if (marker[nmarkers].objname == NULL) |
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goto userr; |
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if (nmarkers >= MAXMARK) { |
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fprintf(stderr, "%s: too many markers\n", progname); |
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return 1; |
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} |
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marker[nmarkers++].modin = argv[i++]; |
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if (nmarkers >= MAXMARK) |
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break; |
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marker[nmarkers].mscale = marker[nmarkers-1].mscale; |
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} |
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if (nmarkers == 0) |
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return 0; |
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userr: |
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fprintf(stderr, |
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"Usage: %s [-e][-s size][-m modout] {-x objfile|-i octree} modname .. [file ..]\n", |
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"Usage: %s [-e][-s size][-m modout] {-x objfile|-i octree|-I mesh} modname .. [file ..]\n", |
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progname); |
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return 1; |
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} |
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exit(1); |
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} |
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convert(buf, pin); |
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pclose(pin); |
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if (pclose(pin) != 0) { |
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fprintf(stderr, |
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"%s: (%s): bad status from \"%s\"\n", |
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progname, fname, buf); |
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exit(1); |
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} |
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} else |
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printf("\n%s\n", buf); |
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} |
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int i, n; |
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register int j; |
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if (fscanf(fin, "%s %s %s", buf, typ, nam) != 3) |
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if (fgetword(buf, sizeof(buf), fin) == NULL || |
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fgetword(typ, sizeof(typ), fin) == NULL || |
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fgetword(nam, sizeof(nam), fin) == NULL) |
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goto readerr; |
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if (!strcmp(typ, "polygon")) |
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for (j = 0; j < nmarkers; j++) |
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replace(fname, &marker[j], nam, fin); |
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return; |
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} |
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printf("\n%s %s %s\n", buf, typ, nam); |
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putchar('\n'); fputword(buf, stdout); |
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printf(" %s ", typ); |
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fputword(nam, stdout); putchar('\n'); |
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if (!strcmp(typ, "alias")) { /* alias special case */ |
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if (fscanf(fin, "%s", buf) != 1) |
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if (fgetword(buf, sizeof(buf), fin) == NULL) |
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goto readerr; |
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printf("\t%s\n", buf); |
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putchar('\t'); fputword(buf, stdout); putchar('\n'); |
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return; |
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} |
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for (i = 0; i < 3; i++) { /* pass along arguments */ |
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char buf[256]; |
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buf[0] = '\0'; /* bug fix thanks to schorsch */ |
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if (m->doxform) { |
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sprintf(buf, "xform -e -n %s", mark); |
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if (m->usetype == USE_XFORM) { |
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sprintf(buf, "xform -n %s", mark); |
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if (m->modout != NULL) |
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sprintf(buf+strlen(buf), " -m %s", m->modout); |
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if (buildxf(buf+strlen(buf), m->mscale, fin) < 0) |
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} else { |
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if ((n = buildxf(buf, m->mscale, fin)) < 0) |
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goto badxf; |
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printf("\n%s instance %s\n", |
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m->modout==NULL?"void":m->modout, mark); |
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printf("\n%s %s %s\n", |
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m->modout==NULL?"void":m->modout, |
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m->usetype==USE_INSTANCE?"instance":"mesh", |
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mark); |
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printf("%d %s%s\n0\n0\n", n+1, m->objname, buf); |
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} |
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return; |
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int n; |
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double theta; |
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if (yp[2]*yp[2] + zp[2]*zp[2] < 2.*FTINY*FTINY) { |
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/* Special case for X' along Z-axis */ |
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theta = -atan2(yp[0], yp[1]); |
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sprintf(xf, " -ry %f -rz %f", |
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xp[2] < 0.0 ? 90.0 : -90.0, |
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theta*(180./PI)); |
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return(4); |
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} |
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n = 0; |
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theta = atan2(yp[2], zp[2]); |
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if (!FEQ(theta,0.0)) { |
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if (!FABSEQ(theta,0.0)) { |
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sprintf(xf, " -rx %f", theta*(180./PI)); |
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while (*xf) ++xf; |
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n += 2; |
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} |
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theta = asin(-xp[2]); |
413 |
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if (!FEQ(theta,0.0)) { |
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theta = Asin(-xp[2]); |
413 |
> |
if (!FABSEQ(theta,0.0)) { |
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sprintf(xf, " -ry %f", theta*(180./PI)); |
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while (*xf) ++xf; |
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n += 2; |
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} |
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theta = atan2(xp[1], xp[0]); |
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if (!FEQ(theta,0.0)) { |
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if (!FABSEQ(theta,0.0)) { |
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sprintf(xf, " -rz %f", theta*(180./PI)); |
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/* while (*xf) ++xf; */ |
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n += 2; |