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root/radiance/ray/src/cv/pabopto2bsdf.c
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Comparing ray/src/cv/pabopto2bsdf.c (file contents):
Revision 2.12 by greg, Fri Jan 31 00:47:10 2014 UTC vs.
Revision 2.15 by greg, Sat Mar 8 01:05:00 2014 UTC

# Line 14 | Line 14 | static const char RCSid[] = "$Id$";
14   #include <math.h>
15   #include "platform.h"
16   #include "bsdfrep.h"
17 + #include "resolu.h"
18                                  /* global argv[0] */
19   char                    *progname;
20  
# Line 219 | Line 220 | main(int argc, char *argv[])
220   #ifdef DEBUG
221          fprintf(stderr, "Minimum BSDF = %.4f\n", bsdf_min);
222   #endif
223 <        min_log = log(bsdf_min*.5);
223 >        min_log = log(bsdf_min*.5 + 1e-5);
224   #if 1                                           /* produce spheres at meas. */
225          puts("void plastic yellow\n0\n0\n5 .6 .4 .01 .04 .08\n");
226          n = 0;
# Line 231 | Line 232 | main(int argc, char *argv[])
232                                  (dsf_grid[i][j].nval*output_orient*dir[2]);
233                          if (bsdf <= bsdf_min*.6)
234                                  continue;
235 <                        bsdf = log(bsdf) - min_log;
235 >                        bsdf = log(bsdf + 1e-5) - min_log;
236                          ovec_from_pos(dir, i, j);
237                          printf("yellow sphere s%04d\n0\n0\n", ++n);
238                          printf("4 %.6g %.6g %.6g %.6g\n\n",
# Line 245 | Line 246 | main(int argc, char *argv[])
246                  RBFVAL  *rbf = &dsf_list->rbfa[n];
247                  ovec_from_pos(dir, rbf->gx, rbf->gy);
248                  bsdf = eval_rbfrep(dsf_list, dir) / (output_orient*dir[2]);
249 <                bsdf = log(bsdf) - min_log;
249 >                bsdf = log(bsdf + 1e-5) - min_log;
250                  printf("red sphere p%04d\n0\n0\n", ++n);
251                  printf("4 %.6g %.6g %.6g %.6g\n\n",
252                                  dir[0]*bsdf, dir[1]*bsdf, dir[2]*bsdf,
# Line 265 | Line 266 | main(int argc, char *argv[])
266              for (j = 0; j < GRIDRES; j++) {
267                  ovec_from_pos(dir, i, j);
268                  bsdf = eval_rbfrep(dsf_list, dir) / (output_orient*dir[2]);
269 <                bsdf = log(bsdf) - min_log;
269 >                bsdf = log(bsdf + 1e-5) - min_log;
270                  fprintf(pfp, "%.8e %.8e %.8e\n",
271                                  dir[0]*bsdf, dir[1]*bsdf, dir[2]*bsdf);
272              }

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