| 64 |
|
RREAL uv[2]; /* (u,v) position */ |
| 65 |
|
} POINT; |
| 66 |
|
|
| 67 |
+ |
int nverts = 0; /* vertex output count */ |
| 68 |
+ |
int nnorms = 0; /* normal output count */ |
| 69 |
|
|
| 70 |
|
void loaddata(char *file, int m, int n, int pointsize); |
| 71 |
|
double l_dataval(char *nam); |
| 72 |
|
void putobjrow(POINT *rp, int n); |
| 73 |
+ |
void putobjvert(POINT *p); |
| 74 |
|
void putsquare(POINT *p0, POINT *p1, POINT *p2, POINT *p3); |
| 75 |
|
void comprow(double s, POINT *row, int siz); |
| 76 |
|
void compnorms(POINT *r0, POINT *r1, POINT *r2, int siz); |
| 86 |
|
int i, j, m, n; |
| 87 |
|
char stmp[256]; |
| 88 |
|
|
| 89 |
+ |
esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; |
| 90 |
+ |
esupport &= ~(E_OUTCHAN|E_INCHAN); |
| 91 |
|
varset("PI", ':', PI); |
| 92 |
|
funset("hermite", 5, ':', l_hermite); |
| 93 |
|
funset("bezier", 5, ':', l_bezier); |
| 203 |
|
{ |
| 204 |
|
FILE *fp; |
| 205 |
|
char word[64]; |
| 206 |
< |
register int size; |
| 207 |
< |
register RREAL *dp; |
| 206 |
> |
int size; |
| 207 |
> |
RREAL *dp; |
| 208 |
|
|
| 209 |
|
datarec.flags = HASBORDER; /* assume border values */ |
| 210 |
|
datarec.m = m+1; |
| 260 |
|
) |
| 261 |
|
{ |
| 262 |
|
double u, v; |
| 263 |
< |
register int i, j; |
| 264 |
< |
register RREAL *dp; |
| 263 |
> |
int i, j; |
| 264 |
> |
RREAL *dp; |
| 265 |
|
double d00, d01, d10, d11; |
| 266 |
|
/* compute coordinates */ |
| 267 |
|
u = argument(1); v = argument(2); |
| 299 |
|
|
| 300 |
|
void |
| 301 |
|
putobjrow( /* output vertex row to .OBJ */ |
| 302 |
< |
register POINT *rp, |
| 302 |
> |
POINT *rp, |
| 303 |
|
int n |
| 304 |
|
) |
| 305 |
|
{ |
| 301 |
– |
static int nverts = 0; |
| 302 |
– |
static int nnorms = 0; |
| 303 |
– |
|
| 306 |
|
for ( ; n-- >= 0; rp++) { |
| 307 |
|
if (!rp->valid) |
| 308 |
|
continue; |
| 321 |
|
|
| 322 |
|
|
| 323 |
|
void |
| 324 |
+ |
putobjvert( /* put out OBJ vertex index triplet */ |
| 325 |
+ |
POINT *p |
| 326 |
+ |
) |
| 327 |
+ |
{ |
| 328 |
+ |
int pti = p->valid ? p->valid-nverts-1 : 0; |
| 329 |
+ |
int ni = p->nvalid ? p->nvalid-nnorms-1 : 0; |
| 330 |
+ |
|
| 331 |
+ |
printf(" %d/%d/%d", pti, pti, ni); |
| 332 |
+ |
} |
| 333 |
+ |
|
| 334 |
+ |
|
| 335 |
+ |
void |
| 336 |
|
putsquare( /* put out a square */ |
| 337 |
|
POINT *p0, |
| 338 |
|
POINT *p1, |
| 364 |
|
return; |
| 365 |
|
if (objout) { /* output .OBJ faces */ |
| 366 |
|
if (ok1 & ok2 && fdot(vc1,vc2) >= 1.0-FTINY*FTINY) { |
| 367 |
< |
printf("f %d/%d/%d %d/%d/%d %d/%d/%d %d/%d/%d\n", |
| 368 |
< |
p0->valid, p0->valid, p0->nvalid, |
| 369 |
< |
p1->valid, p1->valid, p1->nvalid, |
| 370 |
< |
p3->valid, p3->valid, p3->nvalid, |
| 357 |
< |
p2->valid, p2->valid, p2->nvalid); |
| 367 |
> |
putc('f', stdout); |
| 368 |
> |
putobjvert(p0); putobjvert(p1); |
| 369 |
> |
putobjvert(p3); putobjvert(p2); |
| 370 |
> |
putc('\n', stdout); |
| 371 |
|
return; |
| 372 |
|
} |
| 373 |
< |
if (ok1) |
| 374 |
< |
printf("f %d/%d/%d %d/%d/%d %d/%d/%d\n", |
| 375 |
< |
p0->valid, p0->valid, p0->nvalid, |
| 376 |
< |
p1->valid, p1->valid, p1->nvalid, |
| 377 |
< |
p2->valid, p2->valid, p2->nvalid); |
| 378 |
< |
if (ok2) |
| 379 |
< |
printf("f %d/%d/%d %d/%d/%d %d/%d/%d\n", |
| 380 |
< |
p2->valid, p2->valid, p2->nvalid, |
| 381 |
< |
p1->valid, p1->valid, p1->nvalid, |
| 382 |
< |
p3->valid, p3->valid, p3->nvalid); |
| 373 |
> |
if (ok1) { |
| 374 |
> |
putc('f', stdout); |
| 375 |
> |
putobjvert(p0); putobjvert(p1); putobjvert(p2); |
| 376 |
> |
putc('\n', stdout); |
| 377 |
> |
} |
| 378 |
> |
if (ok2) { |
| 379 |
> |
putc('f', stdout); |
| 380 |
> |
putobjvert(p2); putobjvert(p1); putobjvert(p3); |
| 381 |
> |
putc('\n', stdout); |
| 382 |
> |
} |
| 383 |
|
return; |
| 384 |
|
} |
| 385 |
|
/* compute normal interpolation */ |
| 450 |
|
void |
| 451 |
|
comprow( /* compute row of values */ |
| 452 |
|
double s, |
| 453 |
< |
register POINT *row, |
| 453 |
> |
POINT *row, |
| 454 |
|
int siz |
| 455 |
|
) |
| 456 |
|
{ |
| 457 |
|
double st[2]; |
| 458 |
|
int end; |
| 459 |
|
int checkvalid; |
| 460 |
< |
register int i; |
| 460 |
> |
int i; |
| 461 |
|
|
| 462 |
|
if (smooth) { |
| 463 |
|
i = -1; /* compute one past each end */ |
| 491 |
|
|
| 492 |
|
void |
| 493 |
|
compnorms( /* compute row of averaged normals */ |
| 494 |
< |
register POINT *r0, |
| 495 |
< |
register POINT *r1, |
| 496 |
< |
register POINT *r2, |
| 494 |
> |
POINT *r0, |
| 495 |
> |
POINT *r1, |
| 496 |
> |
POINT *r2, |
| 497 |
|
int siz |
| 498 |
|
) |
| 499 |
|
{ |
| 534 |
|
|
| 535 |
|
int |
| 536 |
|
norminterp( /* compute normal interpolation */ |
| 537 |
< |
register FVECT resmat[4], |
| 537 |
> |
FVECT resmat[4], |
| 538 |
|
POINT *p0, |
| 539 |
|
POINT *p1, |
| 540 |
|
POINT *p2, |
| 544 |
|
#define u ((ax+1)%3) |
| 545 |
|
#define v ((ax+2)%3) |
| 546 |
|
|
| 547 |
< |
register int ax; |
| 547 |
> |
int ax; |
| 548 |
|
MAT4 eqnmat; |
| 549 |
|
FVECT v1; |
| 550 |
< |
register int i, j; |
| 550 |
> |
int i, j; |
| 551 |
|
|
| 552 |
|
if (!smooth) /* no interpolation if no smoothing */ |
| 553 |
|
return(-1); |
