| 15 |
|
* Default axes are (x1,x2,x3) = (x,y,z). |
| 16 |
|
*/ |
| 17 |
|
|
| 18 |
– |
#include <stdio.h> |
| 19 |
– |
|
| 18 |
|
#include <stdlib.h> |
| 19 |
+ |
#include <unistd.h> |
| 20 |
+ |
#include <stdio.h> |
| 21 |
+ |
#include <string.h> |
| 22 |
+ |
#include <sys/types.h> |
| 23 |
+ |
#include <sys/wait.h> |
| 24 |
|
|
| 25 |
+ |
#include "rtmath.h" |
| 26 |
|
#include "random.h" |
| 23 |
– |
|
| 27 |
|
#include "setscan.h" |
| 28 |
|
|
| 29 |
|
#ifndef BSD |
| 30 |
|
#define vfork fork |
| 31 |
|
#endif |
| 32 |
|
|
| 30 |
– |
#define FTINY 1e-7 |
| 31 |
– |
|
| 32 |
– |
#define PI 3.14159265358979324 |
| 33 |
– |
|
| 33 |
|
#define atorad(a) ((PI/180.0) * (a)) |
| 34 |
|
|
| 35 |
|
char *rtargv[128] = {"rtrace", "-h"}; |
| 55 |
|
|
| 56 |
|
char *progname; /* program name */ |
| 57 |
|
|
| 58 |
+ |
static void printargs(int ac, char **av, FILE *fp); |
| 59 |
+ |
static void fixaxes(void); |
| 60 |
+ |
static int doscan(void); |
| 61 |
+ |
static FILE * scanstart(void); |
| 62 |
+ |
static int scanend(FILE *fp); |
| 63 |
+ |
static void sendsamples(FILE *fp); |
| 64 |
+ |
static void writesample(FILE *fp, ANGLE a, ANGLE b); |
| 65 |
+ |
static double readsample(FILE *fp); |
| 66 |
|
|
| 67 |
< |
main(argc, argv) |
| 68 |
< |
int argc; |
| 69 |
< |
char *argv[]; |
| 67 |
> |
|
| 68 |
> |
int |
| 69 |
> |
main( |
| 70 |
> |
int argc, |
| 71 |
> |
char *argv[] |
| 72 |
> |
) |
| 73 |
|
{ |
| 74 |
|
int i; |
| 75 |
|
|
| 218 |
|
|
| 219 |
|
fixaxes(); |
| 220 |
|
|
| 221 |
< |
if (header) |
| 222 |
< |
if (userformat > 0) |
| 221 |
> |
if (header) { |
| 222 |
> |
if (userformat > 0) { |
| 223 |
|
printf("Alpha\tBeta\tRadiance\n"); |
| 224 |
< |
else { |
| 224 |
> |
} else { |
| 225 |
|
printargs(argc, argv, stdout); |
| 226 |
|
putchar('\n'); |
| 227 |
|
} |
| 228 |
+ |
} |
| 229 |
|
|
| 230 |
|
if (doscan() == -1) |
| 231 |
|
exit(1); |
| 234 |
|
} |
| 235 |
|
|
| 236 |
|
|
| 237 |
< |
printargs(ac, av, fp) /* print arguments to a file */ |
| 238 |
< |
int ac; |
| 239 |
< |
char **av; |
| 240 |
< |
FILE *fp; |
| 237 |
> |
static void |
| 238 |
> |
printargs( /* print arguments to a file */ |
| 239 |
> |
int ac, |
| 240 |
> |
char **av, |
| 241 |
> |
FILE *fp |
| 242 |
> |
) |
| 243 |
|
{ |
| 244 |
|
while (ac-- > 0) { |
| 245 |
|
fputs(*av++, fp); |
| 249 |
|
} |
| 250 |
|
|
| 251 |
|
|
| 252 |
< |
fixaxes() /* make sure axes are OK */ |
| 252 |
> |
static void |
| 253 |
> |
fixaxes(void) /* make sure axes are OK */ |
| 254 |
|
{ |
| 241 |
– |
extern double normalize(), fdot(); |
| 255 |
|
double d; |
| 256 |
|
register int i; |
| 257 |
|
|
| 271 |
|
} |
| 272 |
|
|
| 273 |
|
|
| 274 |
< |
doscan() /* do scan for target */ |
| 274 |
> |
static int |
| 275 |
> |
doscan(void) /* do scan for target */ |
| 276 |
|
{ |
| 277 |
|
FILE *fopen(), *scanstart(); |
| 278 |
|
double readsample(); |
| 290 |
|
} |
| 291 |
|
|
| 292 |
|
|
| 293 |
< |
FILE * |
| 294 |
< |
scanstart() /* open scanner pipeline */ |
| 293 |
> |
static FILE * |
| 294 |
> |
scanstart(void) /* open scanner pipeline */ |
| 295 |
|
{ |
| 296 |
|
int status; |
| 297 |
|
char *fgets(); |
| 346 |
|
} |
| 347 |
|
|
| 348 |
|
|
| 349 |
< |
scanend(fp) /* done with scanner input */ |
| 350 |
< |
FILE *fp; |
| 349 |
> |
static int |
| 350 |
> |
scanend( /* done with scanner input */ |
| 351 |
> |
FILE *fp |
| 352 |
> |
) |
| 353 |
|
{ |
| 354 |
|
int status; |
| 355 |
|
|
| 362 |
|
} |
| 363 |
|
|
| 364 |
|
|
| 365 |
< |
sendsamples(fp) /* send our samples to fp */ |
| 366 |
< |
FILE *fp; |
| 365 |
> |
static void |
| 366 |
> |
sendsamples( /* send our samples to fp */ |
| 367 |
> |
FILE *fp |
| 368 |
> |
) |
| 369 |
|
{ |
| 370 |
|
ANGLE *a, *b; |
| 371 |
|
|
| 375 |
|
} |
| 376 |
|
|
| 377 |
|
|
| 378 |
< |
writesample(fp, a, b) /* write out sample ray grid */ |
| 379 |
< |
FILE *fp; |
| 380 |
< |
ANGLE a, b; |
| 378 |
> |
static void |
| 379 |
> |
writesample( /* write out sample ray grid */ |
| 380 |
> |
FILE *fp, |
| 381 |
> |
ANGLE a, |
| 382 |
> |
ANGLE b |
| 383 |
> |
) |
| 384 |
|
{ |
| 385 |
|
double sin(), cos(); |
| 386 |
|
float sp[6]; |
| 416 |
|
} |
| 417 |
|
|
| 418 |
|
|
| 419 |
< |
double |
| 420 |
< |
readsample(fp) /* read in sample ray grid */ |
| 421 |
< |
FILE *fp; |
| 419 |
> |
static double |
| 420 |
> |
readsample( /* read in sample ray grid */ |
| 421 |
> |
FILE *fp |
| 422 |
> |
) |
| 423 |
|
{ |
| 424 |
|
float col[3]; |
| 425 |
|
double sum; |
