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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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* Replace markers in Radiance scene description with objects or instances. |
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* |
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* Created: 17 Feb 1991 Greg Ward |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <ctype.h> |
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#include <math.h> |
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#include <stdio.h> |
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#include "platform.h" |
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#include "fvect.h" |
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#ifdef M_PI |
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#define PI M_PI |
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#define PI ((double)M_PI) |
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#else |
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#define PI 3.14159265358979323846 |
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#endif |
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char *fname; |
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FILE *fin; |
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{ |
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extern char *fgetword(); |
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char buf[128], typ[16], nam[128]; |
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int i, n; |
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register int j; |
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goto readerr; |
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printf("%d", n); |
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for (j = 0; j < n; j++) { |
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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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if (j%3 == 0) |
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putchar('\n'); |
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printf("\t%s", buf); |
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putchar('\t'); |
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fputword(buf, stdout); |
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} |
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putchar('\n'); |
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} |
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int n; |
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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->modout != NULL) |
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int |
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buildxf(xf, markscale, fin) /* build transform for marker */ |
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char *xf; |
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register char *xf; |
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double markscale; |
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FILE *fin; |
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{ |
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if (markscale > 0.0) { /* add scale factor */ |
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sprintf(xf, " -s %f", xlen*markscale); |
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n += 2; |
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xf += strlen(xf); |
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while (*xf) ++xf; |
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} |
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/* add rotation */ |
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n += addrot(xf, xvec, yvec, zvec); |
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xf += strlen(xf); |
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while (*xf) ++xf; |
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/* add translation */ |
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n += 4; |
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sprintf(xf, " -t %f %f %f", vlist[elist[1].beg][0], |
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addrot(xf, xp, yp, zp) /* compute rotation (x,y,z) => (xp,yp,zp) */ |
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char *xf; |
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register char *xf; |
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FVECT xp, yp, zp; |
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{ |
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int n; |
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theta = atan2(yp[2], zp[2]); |
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if (!FEQ(theta,0.0)) { |
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sprintf(xf, " -rx %f", theta*(180./PI)); |
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xf += strlen(xf); |
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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]); |
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if (!FEQ(theta,0.0)) { |
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sprintf(xf, " -ry %f", theta*(180./PI)); |
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xf += strlen(xf); |
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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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sprintf(xf, " -rz %f", theta*(180./PI)); |
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/* xf += strlen(xf); */ |
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/* while (*xf) ++xf; */ |
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n += 2; |
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} |
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return(n); |
