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18 |
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#include "standard.h" |
19 |
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|
20 |
+ |
#include "paths.h" |
21 |
+ |
#include "resolu.h" |
22 |
+ |
#include "rterror.h" |
23 |
+ |
#include "calcomp.h" |
24 |
+ |
|
25 |
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char XNAME[] = "X`SYS"; /* x function name */ |
26 |
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char YNAME[] = "Y`SYS"; /* y function name */ |
27 |
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char ZNAME[] = "Z`SYS"; /* z function name */ |
30 |
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|
31 |
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#define ABS(x) ((x)>=0 ? (x) : -(x)) |
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|
33 |
+ |
#define ZEROVECT(v) (DOT(v,v) <= FTINY*FTINY) |
34 |
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|
35 |
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#define pvect(p) printf(vformat, (p)[0], (p)[1], (p)[2]) |
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|
37 |
< |
char vformat[] = "%15.9g %15.9g %15.9g\n"; |
38 |
< |
char tsargs[] = "4 surf_dx surf_dy surf_dz surf.cal\n"; |
37 |
> |
char vformat[] = "%18.12g %18.12g %18.12g\n"; |
38 |
> |
char tsargs[] = "4 surf_dx surf_dy surf_dz surf.cal"; |
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char texname[] = "Phong"; |
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|
41 |
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int smooth = 0; /* apply smoothing? */ |
50 |
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struct { |
51 |
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int flags; /* data type */ |
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short m, n; /* number of s and t values */ |
53 |
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FLOAT *data; /* the data itself, s major sort */ |
53 |
> |
RREAL *data; /* the data itself, s major sort */ |
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} datarec; /* our recorded data */ |
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|
56 |
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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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|
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typedef struct { |
60 |
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int valid; /* point is valid (vertex number) */ |
61 |
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int nvalid; /* normal is valid */ |
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FVECT p; /* vertex position */ |
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FVECT n; /* average normal */ |
64 |
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FLOAT uv[2]; /* (u,v) position */ |
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> |
RREAL uv[2]; /* (u,v) position */ |
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} POINT; |
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|
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|
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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); |
74 |
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int norminterp(FVECT resmat[4], POINT *p0, POINT *p1, POINT *p2, POINT *p3); |
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|
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|
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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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row0++; row1++; row2++; |
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/* print header */ |
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printhead(argc, argv); |
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fputs("# ", stdout); |
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> |
printargs(argc, argv, stdout); |
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eclock = 0; |
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/* initialize */ |
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comprow(-1.0/m, row0, n); |
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} |
180 |
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} |
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|
182 |
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quit(0); |
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> |
return 0; |
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|
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userror: |
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fprintf(stderr, "Usage: %s material name ", argv[0]); |
186 |
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fprintf(stderr, "x(s,t) y(s,t) z(s,t) m n [-s][-e expr][-f file]\n"); |
187 |
< |
quit(1); |
186 |
> |
fprintf(stderr, "x(s,t) y(s,t) z(s,t) m n [-s][-o][-e expr][-f file]\n"); |
187 |
> |
return 1; |
188 |
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} |
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|
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|
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< |
loaddata(file, m, n, pointsize) /* load point data from file */ |
192 |
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char *file; |
193 |
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int m, n; |
194 |
< |
int pointsize; |
191 |
> |
void |
192 |
> |
loaddata( /* load point data from file */ |
193 |
> |
char *file, |
194 |
> |
int m, |
195 |
> |
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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register int size; |
202 |
< |
register FLOAT *dp; |
202 |
> |
register RREAL *dp; |
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|
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datarec.flags = HASBORDER; /* assume border values */ |
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datarec.m = m+1; |
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size = datarec.m*datarec.n*pointsize; |
208 |
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if (pointsize == 3) |
209 |
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datarec.flags |= TRIPLETS; |
210 |
< |
dp = (FLOAT *)malloc(size*sizeof(FLOAT)); |
210 |
> |
dp = (RREAL *)malloc(size*sizeof(RREAL)); |
211 |
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if ((datarec.data = dp) == NULL) { |
212 |
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fputs("Out of memory\n", stderr); |
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exit(1); |
230 |
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size--; |
231 |
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} |
232 |
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if (size == (m+n+1)*pointsize) { /* no border after all */ |
233 |
< |
dp = (FLOAT *)realloc((char *)datarec.data, |
234 |
< |
m*n*pointsize*sizeof(FLOAT)); |
233 |
> |
dp = (RREAL *)realloc(datarec.data, |
234 |
> |
m*n*pointsize*sizeof(RREAL)); |
235 |
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if (dp != NULL) |
236 |
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datarec.data = dp; |
237 |
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datarec.flags &= ~HASBORDER; |
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|
251 |
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|
252 |
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double |
253 |
< |
l_dataval(nam) /* return recorded data value */ |
254 |
< |
char *nam; |
253 |
> |
l_dataval( /* return recorded data value */ |
254 |
> |
char *nam |
255 |
> |
) |
256 |
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{ |
257 |
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double u, v; |
258 |
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register int i, j; |
259 |
< |
register FLOAT *dp; |
259 |
> |
register RREAL *dp; |
260 |
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double d00, d01, d10, d11; |
261 |
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/* compute coordinates */ |
262 |
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u = argument(1); v = argument(2); |
292 |
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} |
293 |
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|
294 |
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|
295 |
< |
putobjrow(rp, n) /* output vertex row to .OBJ */ |
296 |
< |
register POINT *rp; |
297 |
< |
int n; |
295 |
> |
void |
296 |
> |
putobjrow( /* output vertex row to .OBJ */ |
297 |
> |
register POINT *rp, |
298 |
> |
int n |
299 |
> |
) |
300 |
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{ |
301 |
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static int nverts = 0; |
302 |
+ |
static int nnorms = 0; |
303 |
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|
304 |
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for ( ; n-- >= 0; rp++) { |
305 |
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if (!rp->valid) |
306 |
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continue; |
307 |
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fputs("v ", stdout); |
308 |
< |
printf(vformat, rp->p[0], rp->p[1], rp->p[2]); |
309 |
< |
if (smooth) |
308 |
> |
pvect(rp->p); |
309 |
> |
if (smooth && !ZEROVECT(rp->n)) { |
310 |
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printf("\tvn %.9g %.9g %.9g\n", |
311 |
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rp->n[0], rp->n[1], rp->n[2]); |
312 |
+ |
rp->nvalid = ++nnorms; |
313 |
+ |
} else |
314 |
+ |
rp->nvalid = 0; |
315 |
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printf("\tvt %.9g %.9g\n", rp->uv[0], rp->uv[1]); |
316 |
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rp->valid = ++nverts; |
317 |
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} |
318 |
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} |
319 |
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|
320 |
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|
321 |
< |
putsquare(p0, p1, p2, p3) /* put out a square */ |
322 |
< |
POINT *p0, *p1, *p2, *p3; |
321 |
> |
void |
322 |
> |
putsquare( /* put out a square */ |
323 |
> |
POINT *p0, |
324 |
> |
POINT *p1, |
325 |
> |
POINT *p2, |
326 |
> |
POINT *p3 |
327 |
> |
) |
328 |
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{ |
329 |
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static int nout = 0; |
330 |
|
FVECT norm[4]; |
334 |
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/* compute exact normals */ |
335 |
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ok1 = (p0->valid && p1->valid && p2->valid); |
336 |
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if (ok1) { |
337 |
< |
fvsum(v1, p1->p, p0->p, -1.0); |
338 |
< |
fvsum(v2, p2->p, p0->p, -1.0); |
337 |
> |
VSUB(v1, p1->p, p0->p); |
338 |
> |
VSUB(v2, p2->p, p0->p); |
339 |
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fcross(vc1, v1, v2); |
340 |
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ok1 = (normalize(vc1) != 0.0); |
341 |
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} |
342 |
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ok2 = (p1->valid && p2->valid && p3->valid); |
343 |
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if (ok2) { |
344 |
< |
fvsum(v1, p2->p, p3->p, -1.0); |
345 |
< |
fvsum(v2, p1->p, p3->p, -1.0); |
344 |
> |
VSUB(v1, p2->p, p3->p); |
345 |
> |
VSUB(v2, p1->p, p3->p); |
346 |
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fcross(vc2, v1, v2); |
347 |
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ok2 = (normalize(vc2) != 0.0); |
348 |
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} |
349 |
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if (!(ok1 | ok2)) |
350 |
|
return; |
351 |
|
if (objout) { /* output .OBJ faces */ |
319 |
– |
int p0n=0, p1n=0, p2n=0, p3n=0; |
320 |
– |
if (smooth) { |
321 |
– |
p0n = p0->valid; |
322 |
– |
p1n = p1->valid; |
323 |
– |
p2n = p2->valid; |
324 |
– |
p3n = p3->valid; |
325 |
– |
} |
352 |
|
if (ok1 & ok2 && fdot(vc1,vc2) >= 1.0-FTINY*FTINY) { |
353 |
|
printf("f %d/%d/%d %d/%d/%d %d/%d/%d %d/%d/%d\n", |
354 |
< |
p0->valid, p0n, p0->valid, |
355 |
< |
p1->valid, p1n, p1->valid, |
356 |
< |
p3->valid, p3n, p3->valid, |
357 |
< |
p2->valid, p2n, p2->valid); |
354 |
> |
p0->valid, p0->valid, p0->nvalid, |
355 |
> |
p1->valid, p1->valid, p1->nvalid, |
356 |
> |
p3->valid, p3->valid, p3->nvalid, |
357 |
> |
p2->valid, p2->valid, p2->nvalid); |
358 |
|
return; |
359 |
|
} |
360 |
|
if (ok1) |
361 |
|
printf("f %d/%d/%d %d/%d/%d %d/%d/%d\n", |
362 |
< |
p0->valid, p0n, p0->valid, |
363 |
< |
p1->valid, p1n, p1->valid, |
364 |
< |
p2->valid, p2n, p2->valid); |
362 |
> |
p0->valid, p0->valid, p0->nvalid, |
363 |
> |
p1->valid, p1->valid, p1->nvalid, |
364 |
> |
p2->valid, p2->valid, p2->nvalid); |
365 |
|
if (ok2) |
366 |
|
printf("f %d/%d/%d %d/%d/%d %d/%d/%d\n", |
367 |
< |
p2->valid, p2n, p2->valid, |
368 |
< |
p1->valid, p1n, p1->valid, |
369 |
< |
p3->valid, p3n, p3->valid); |
367 |
> |
p2->valid, p2->valid, p2->nvalid, |
368 |
> |
p1->valid, p1->valid, p1->nvalid, |
369 |
> |
p3->valid, p3->valid, p3->nvalid); |
370 |
|
return; |
371 |
|
} |
372 |
|
/* compute normal interpolation */ |
376 |
|
if (ok1 & ok2 && fdot(vc1,vc2) >= 1.0-FTINY*FTINY) { |
377 |
|
printf("\n%s ", modname); |
378 |
|
if (axis != -1) { |
379 |
< |
printf("texfunc %s\n", texname); |
354 |
< |
printf(tsargs); |
379 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
380 |
|
printf("0\n13\t%d\n", axis); |
381 |
|
pvect(norm[0]); |
382 |
|
pvect(norm[1]); |
398 |
|
if (ok1) { |
399 |
|
printf("\n%s ", modname); |
400 |
|
if (axis != -1) { |
401 |
< |
printf("texfunc %s\n", texname); |
377 |
< |
printf(tsargs); |
401 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
402 |
|
printf("0\n13\t%d\n", axis); |
403 |
|
pvect(norm[0]); |
404 |
|
pvect(norm[1]); |
416 |
|
if (ok2) { |
417 |
|
printf("\n%s ", modname); |
418 |
|
if (axis != -1) { |
419 |
< |
printf("texfunc %s\n", texname); |
396 |
< |
printf(tsargs); |
419 |
> |
printf("texfunc %s\n%s\n", texname, tsargs); |
420 |
|
printf("0\n13\t%d\n", axis); |
421 |
|
pvect(norm[0]); |
422 |
|
pvect(norm[1]); |
434 |
|
} |
435 |
|
|
436 |
|
|
437 |
< |
comprow(s, row, siz) /* compute row of values */ |
438 |
< |
double s; |
439 |
< |
register POINT *row; |
440 |
< |
int siz; |
437 |
> |
void |
438 |
> |
comprow( /* compute row of values */ |
439 |
> |
double s, |
440 |
> |
register POINT *row, |
441 |
> |
int siz |
442 |
> |
) |
443 |
|
{ |
444 |
|
double st[2]; |
445 |
|
int end; |
476 |
|
} |
477 |
|
|
478 |
|
|
479 |
< |
compnorms(r0, r1, r2, siz) /* compute row of averaged normals */ |
480 |
< |
register POINT *r0, *r1, *r2; |
481 |
< |
int siz; |
479 |
> |
void |
480 |
> |
compnorms( /* compute row of averaged normals */ |
481 |
> |
register POINT *r0, |
482 |
> |
register POINT *r1, |
483 |
> |
register POINT *r2, |
484 |
> |
int siz |
485 |
> |
) |
486 |
|
{ |
487 |
|
FVECT v1, v2; |
488 |
|
|
520 |
|
|
521 |
|
|
522 |
|
int |
523 |
< |
norminterp(resmat, p0, p1, p2, p3) /* compute normal interpolation */ |
524 |
< |
register FVECT resmat[4]; |
525 |
< |
POINT *p0, *p1, *p2, *p3; |
523 |
> |
norminterp( /* compute normal interpolation */ |
524 |
> |
register FVECT resmat[4], |
525 |
> |
POINT *p0, |
526 |
> |
POINT *p1, |
527 |
> |
POINT *p2, |
528 |
> |
POINT *p3 |
529 |
> |
) |
530 |
|
{ |
531 |
|
#define u ((ax+1)%3) |
532 |
|
#define v ((ax+2)%3) |
579 |
|
} |
580 |
|
|
581 |
|
|
549 |
– |
void |
550 |
– |
eputs(msg) |
551 |
– |
char *msg; |
552 |
– |
{ |
553 |
– |
fputs(msg, stderr); |
554 |
– |
} |
555 |
– |
|
556 |
– |
|
557 |
– |
void |
558 |
– |
wputs(msg) |
559 |
– |
char *msg; |
560 |
– |
{ |
561 |
– |
eputs(msg); |
562 |
– |
} |
563 |
– |
|
564 |
– |
|
565 |
– |
void |
566 |
– |
quit(code) |
567 |
– |
int code; |
568 |
– |
{ |
569 |
– |
exit(code); |
570 |
– |
} |
571 |
– |
|
572 |
– |
|
573 |
– |
printhead(ac, av) /* print command header */ |
574 |
– |
register int ac; |
575 |
– |
register char **av; |
576 |
– |
{ |
577 |
– |
putchar('#'); |
578 |
– |
while (ac--) { |
579 |
– |
putchar(' '); |
580 |
– |
fputs(*av++, stdout); |
581 |
– |
} |
582 |
– |
putchar('\n'); |
583 |
– |
} |
584 |
– |
|
585 |
– |
|
582 |
|
double |
583 |
< |
l_hermite() |
583 |
> |
l_hermite(char *nm) |
584 |
|
{ |
585 |
|
double t; |
586 |
|
|
593 |
|
|
594 |
|
|
595 |
|
double |
596 |
< |
l_bezier() |
596 |
> |
l_bezier(char *nm) |
597 |
|
{ |
598 |
|
double t; |
599 |
|
|
606 |
|
|
607 |
|
|
608 |
|
double |
609 |
< |
l_bspline() |
609 |
> |
l_bspline(char *nm) |
610 |
|
{ |
611 |
|
double t; |
612 |
|
|