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* 4/16/02 Added conditional vertex output |
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*/ |
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#include "standard.h" |
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#include "rtmath.h" |
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#include "rterror.h" |
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#include "rtio.h" |
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#include "calcomp.h" |
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char XNAME[] = "X`SYS"; /* x function name */ |
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char YNAME[] = "Y`SYS"; /* y function name */ |
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RREAL *data; /* the data itself, s major sort */ |
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} datarec; /* our recorded data */ |
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/* XXX this is redundant with rt/noise3.c, should go to a library */ |
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double l_hermite(), l_bezier(), l_bspline(), l_dataval(); |
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extern double funvalue(), argument(); |
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typedef struct { |
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int valid; /* point is valid (vertex number) */ |
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} POINT; |
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void loaddata(char *file, int m, int n, int pointsize); |
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double l_dataval(char *nam); |
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void putobjrow(POINT *rp, int n); |
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void putsquare(POINT *p0, POINT *p1, POINT *p2, POINT *p3); |
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void comprow(double s, POINT *row, int siz); |
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void compnorms(POINT *r0, POINT *r1, POINT *r2, int siz); |
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int norminterp(FVECT resmat[4], POINT *p0, POINT *p1, POINT *p2, POINT *p3); |
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void printhead(int ac, char **av); |
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int |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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extern long eclock; |
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POINT *row0, *row1, *row2, *rp; |
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int i, j, m, n; |
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char stmp[256]; |
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} |
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} |
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quit(0); |
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return 0; |
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userror: |
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fprintf(stderr, "Usage: %s material name ", argv[0]); |
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fprintf(stderr, "x(s,t) y(s,t) z(s,t) m n [-s][-e expr][-f file]\n"); |
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quit(1); |
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return 1; |
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} |
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loaddata(file, m, n, pointsize) /* load point data from file */ |
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char *file; |
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int m, n; |
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int pointsize; |
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void |
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loaddata( /* load point data from file */ |
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char *file, |
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int m, |
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int n, |
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int pointsize |
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) |
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{ |
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FILE *fp; |
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char word[64]; |
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double |
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l_dataval(nam) /* return recorded data value */ |
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char *nam; |
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l_dataval( /* return recorded data value */ |
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char *nam |
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) |
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{ |
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double u, v; |
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register int i, j; |
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} |
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putobjrow(rp, n) /* output vertex row to .OBJ */ |
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register POINT *rp; |
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int n; |
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void |
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putobjrow( /* output vertex row to .OBJ */ |
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register POINT *rp, |
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int n |
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) |
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{ |
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static int nverts = 0; |
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} |
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putsquare(p0, p1, p2, p3) /* put out a square */ |
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POINT *p0, *p1, *p2, *p3; |
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void |
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putsquare( /* put out a square */ |
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POINT *p0, |
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POINT *p1, |
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POINT *p2, |
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POINT *p3 |
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) |
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{ |
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static int nout = 0; |
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FVECT norm[4]; |
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} |
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comprow(s, row, siz) /* compute row of values */ |
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double s; |
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register POINT *row; |
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int siz; |
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void |
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comprow( /* compute row of values */ |
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double s, |
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register POINT *row, |
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int siz |
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) |
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{ |
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double st[2]; |
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int end; |
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} |
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compnorms(r0, r1, r2, siz) /* compute row of averaged normals */ |
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register POINT *r0, *r1, *r2; |
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int siz; |
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void |
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compnorms( /* compute row of averaged normals */ |
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register POINT *r0, |
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register POINT *r1, |
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register POINT *r2, |
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int siz |
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) |
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{ |
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FVECT v1, v2; |
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int |
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norminterp(resmat, p0, p1, p2, p3) /* compute normal interpolation */ |
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register FVECT resmat[4]; |
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POINT *p0, *p1, *p2, *p3; |
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norminterp( /* compute normal interpolation */ |
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register FVECT resmat[4], |
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POINT *p0, |
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POINT *p1, |
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POINT *p2, |
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POINT *p3 |
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) |
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{ |
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#define u ((ax+1)%3) |
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#define v ((ax+2)%3) |
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} |
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printhead(ac, av) /* print command header */ |
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register int ac; |
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register char **av; |
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void |
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printhead( /* print command header */ |
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register int ac, |
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register char **av |
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) |
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{ |
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putchar('#'); |
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while (ac--) { |