| 20 |  | /* global argv[0] */ | 
| 21 |  | char                    *progname; | 
| 22 |  | /* reciprocity averaging option */ | 
| 23 | < | static const char       *recip = " -a"; | 
| 23 | > | static const char       *recip = ""; | 
| 24 |  | /* percentage to cull (<0 to turn off) */ | 
| 25 |  | static double           pctcull = 90.; | 
| 26 |  | /* sampling order */ | 
| 135 |  | int             assignD = 0; | 
| 136 |  | char            cmd[128]; | 
| 137 |  | int             ix, ox, oy; | 
| 138 | < | double          iovec[6]; | 
| 138 | > | RREAL           iovec[6]; | 
| 139 |  | float           bsdf, uv[2]; | 
| 140 |  |  | 
| 141 |  | if (pctcull >= 0) { | 
| 208 |  | rbf = advect_rbf(iovec, lobe_lim); | 
| 209 |  | /* presample first row */ | 
| 210 |  | for (oy = 0; oy < sqres; oy++) { | 
| 211 | < | SDsquare2disk(iovec+3, .5*sqfact, (oy+.5)*sqfact); | 
| 211 | > | square2disk(iovec+3, .5*sqfact, (oy+.5)*sqfact); | 
| 212 |  | iovec[5] = output_orient * | 
| 213 |  | sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); | 
| 214 |  | if (funame == NULL) { | 
| 230 |  | */ | 
| 231 |  | for (oy = 0; oy < sqres; oy++) { | 
| 232 |  | if (ox < sqres-1) {     /* keeping one row ahead... */ | 
| 233 | < | SDsquare2disk(iovec+3, (ox+1.5)*sqfact, (oy+.5)*sqfact); | 
| 233 | > | square2disk(iovec+3, (ox+1.5)*sqfact, (oy+.5)*sqfact); | 
| 234 |  | iovec[5] = output_orient * | 
| 235 |  | sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); | 
| 236 |  | } | 
| 250 |  | for (ssi = nssamp; ssi--; ) { | 
| 251 |  | SDmultiSamp(ssa, 2, (ssi+frandom()) / | 
| 252 |  | (double)nssamp); | 
| 253 | < | SDsquare2disk(iovec+3, (ox+ssa[0])*sqfact, | 
| 253 | > | square2disk(iovec+3, (ox+ssa[0])*sqfact, | 
| 254 |  | (oy+ssa[1])*sqfact); | 
| 255 |  | iovec[5] = output_orient * | 
| 256 |  | sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); | 
| 268 |  | uv[0] = usum / (sum+FTINY); | 
| 269 |  | uv[1] = vsum / (sum+FTINY); | 
| 270 |  | } | 
| 271 | < | } else | 
| 272 | < | if (rbf_colorimetry == RBCtristimulus) { | 
| 271 | > | } else if (rbf_colorimetry == RBCtristimulus) { | 
| 272 |  | uv[0] = uv[1] = 1. / | 
| 273 |  | (-2.*sdv.spec.cx + 12.*sdv.spec.cy + 3.); | 
| 274 |  | uv[0] *= 4.*sdv.spec.cx; | 
| 305 |  | ssvec[2] = 1. - ssvec[0]*ssvec[0]; | 
| 306 |  | } | 
| 307 |  | ssvec[2] = input_orient * sqrt(ssvec[2]); | 
| 308 | < | SDsquare2disk(ssvec+3, (ox+ssa[2])*sqfact, | 
| 308 | > | square2disk(ssvec+3, (ox+ssa[2])*sqfact, | 
| 309 |  | (oy+ssa[3])*sqfact); | 
| 310 |  | ssvec[5] = output_orient * | 
| 311 |  | sqrt(1. - ssvec[3]*ssvec[3] - | 
| 399 |  | int             assignD = 0; | 
| 400 |  | char            cmd[128]; | 
| 401 |  | int             ix, iy, ox, oy; | 
| 402 | < | double          iovec[6]; | 
| 402 | > | RREAL           iovec[6]; | 
| 403 |  | float           bsdf, uv[2]; | 
| 404 |  |  | 
| 405 |  | if (pctcull >= 0) { | 
| 469 |  | for (ix = 0; ix < sqres; ix++) | 
| 470 |  | for (iy = 0; iy < sqres; iy++) { | 
| 471 |  | RBFNODE *rbf = NULL;            /* Klems reversal */ | 
| 472 | < | SDsquare2disk(iovec, 1.-(ix+.5)*sqfact, 1.-(iy+.5)*sqfact); | 
| 472 | > | square2disk(iovec, 1.-(ix+.5)*sqfact, 1.-(iy+.5)*sqfact); | 
| 473 |  | iovec[2] = input_orient * | 
| 474 |  | sqrt(1. - iovec[0]*iovec[0] - iovec[1]*iovec[1]); | 
| 475 |  | if (funame == NULL) | 
| 476 |  | rbf = advect_rbf(iovec, lobe_lim); | 
| 477 |  | /* presample first row */ | 
| 478 |  | for (oy = 0; oy < sqres; oy++) { | 
| 479 | < | SDsquare2disk(iovec+3, .5*sqfact, (oy+.5)*sqfact); | 
| 479 | > | square2disk(iovec+3, .5*sqfact, (oy+.5)*sqfact); | 
| 480 |  | iovec[5] = output_orient * | 
| 481 |  | sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); | 
| 482 |  | if (funame == NULL) { | 
| 498 |  | */ | 
| 499 |  | for (oy = 0; oy < sqres; oy++) { | 
| 500 |  | if (ox < sqres-1) {     /* keeping one row ahead... */ | 
| 501 | < | SDsquare2disk(iovec+3, (ox+1.5)*sqfact, (oy+.5)*sqfact); | 
| 501 | > | square2disk(iovec+3, (ox+1.5)*sqfact, (oy+.5)*sqfact); | 
| 502 |  | iovec[5] = output_orient * | 
| 503 |  | sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); | 
| 504 |  | } | 
| 518 |  | for (ssi = nssamp; ssi--; ) { | 
| 519 |  | SDmultiSamp(ssa, 2, (ssi+frandom()) / | 
| 520 |  | (double)nssamp); | 
| 521 | < | SDsquare2disk(iovec+3, (ox+ssa[0])*sqfact, | 
| 521 | > | square2disk(iovec+3, (ox+ssa[0])*sqfact, | 
| 522 |  | (oy+ssa[1])*sqfact); | 
| 523 |  | iovec[5] = output_orient * | 
| 524 |  | sqrt(1. - iovec[3]*iovec[3] - iovec[4]*iovec[4]); | 
| 536 |  | uv[0] = usum / (sum+FTINY); | 
| 537 |  | uv[1] = vsum / (sum+FTINY); | 
| 538 |  | } | 
| 539 | < | } else | 
| 541 | < | if (rbf_colorimetry == RBCtristimulus) { | 
| 539 | > | } else if (rbf_colorimetry == RBCtristimulus) { | 
| 540 |  | uv[0] = uv[1] = 1. / | 
| 541 |  | (-2.*sdv.spec.cx + 12.*sdv.spec.cy + 3.); | 
| 542 |  | uv[0] *= 4.*sdv.spec.cx; | 
| 564 |  | for (ssi = nssamp; ssi--; ) { | 
| 565 |  | SDmultiSamp(ssa, 4, (ssi+frandom()) / | 
| 566 |  | (double)nssamp); | 
| 567 | < | SDsquare2disk(ssvec, 1.-(ix+ssa[0])*sqfact, | 
| 567 | > | square2disk(ssvec, 1.-(ix+ssa[0])*sqfact, | 
| 568 |  | 1.-(iy+ssa[1])*sqfact); | 
| 569 |  | ssvec[2] = input_orient * | 
| 570 |  | sqrt(1. - ssvec[0]*ssvec[0] - | 
| 571 |  | ssvec[1]*ssvec[1]); | 
| 572 | < | SDsquare2disk(ssvec+3, (ox+ssa[2])*sqfact, | 
| 572 | > | square2disk(ssvec+3, (ox+ssa[2])*sqfact, | 
| 573 |  | (oy+ssa[3])*sqfact); | 
| 574 |  | ssvec[5] = output_orient * | 
| 575 |  | sqrt(1. - ssvec[3]*ssvec[3] - | 
| 700 |  | } | 
| 701 |  | #endif | 
| 702 |  |  | 
| 703 | < | #define HEAD_BUFLEN     8192 | 
| 703 | > | #define HEAD_BUFLEN     10240 | 
| 704 |  | static char     head_buf[HEAD_BUFLEN]; | 
| 705 |  | static int      cur_headlen = 0; | 
| 706 |  |  | 
| 741 |  | int | 
| 742 |  | main(int argc, char *argv[]) | 
| 743 |  | { | 
| 744 | < | static char     tfmt[2][4] = {"t4", "t3"}; | 
| 745 | < | int     dofwd = 0, dobwd = 1; | 
| 746 | < | char    buf[2048]; | 
| 747 | < | int     i, na; | 
| 744 | > | static const char       tfmt[2][4] = {"t4", "t3"}; | 
| 745 | > | int                     dofwd = 0, dobwd = 1; | 
| 746 | > | int                     nsirs = 0; | 
| 747 | > | char                    buf[1024]; | 
| 748 | > | int                     i; | 
| 749 |  |  | 
| 750 |  | progname = argv[0]; | 
| 751 |  | esupport |= E_VARIABLE|E_FUNCTION|E_RCONST; | 
| 752 |  | esupport &= ~(E_INCHAN|E_OUTCHAN); | 
| 753 |  | scompile("PI:3.14159265358979323846", NULL, 0); | 
| 754 |  | biggerlib(); | 
| 755 | < | for (i = 1; i < argc && (argv[i][0] == '-') | (argv[i][0] == '+'); i++) | 
| 756 | < | switch (argv[i][1]) {           /* get options */ | 
| 755 | > | strcpy(buf, "File produced by: "); | 
| 756 | > | if (convert_commandline(buf+18, sizeof(buf)-18, argv) != NULL) { | 
| 757 | > | add_wbsdf("-C", 1); add_wbsdf(buf, 0); | 
| 758 | > | } | 
| 759 | > | for (i = 1; i < argc; i++) | 
| 760 | > | if ((argv[i][0] == '-') | (argv[i][0] == '+')) { | 
| 761 | > | switch (argv[i][1]) {           /* get option */ | 
| 762 |  | case 'e': | 
| 763 |  | scompile(argv[++i], NULL, 0); | 
| 764 |  | if (single_plane_incident < 0) | 
| 765 |  | single_plane_incident = 0; | 
| 766 |  | break; | 
| 767 |  | case 'f': | 
| 768 | < | if (!argv[i][2]) { | 
| 768 | > | if ((argv[i][0] == '-') & !argv[i][2]) { | 
| 769 |  | if (strchr(argv[++i], '=') != NULL) { | 
| 770 |  | add_wbsdf("-f", 1); | 
| 771 |  | add_wbsdf(argv[i], 1); | 
| 836 |  | default: | 
| 837 |  | goto userr; | 
| 838 |  | } | 
| 839 | < | strcpy(buf, "File produced by: "); | 
| 840 | < | if (convert_commandline(buf+18, sizeof(buf)-18, argv) != NULL) { | 
| 841 | < | add_wbsdf("-C", 1); add_wbsdf(buf, 0); | 
| 842 | < | } | 
| 843 | < | if (single_plane_incident >= 0) {       /* function-based BSDF? */ | 
| 839 | > | } else {                            /* input SIR or function */ | 
| 840 | > | FILE    *fpin; | 
| 841 | > | if (!nsirs & (single_plane_incident >= 0)) | 
| 842 | > | break;                  /* must be a function */ | 
| 843 | > | if (nsirs >= 4) { | 
| 844 | > | fprintf(stderr, "At most 4 SIR inputs supported\n"); | 
| 845 | > | goto userr; | 
| 846 | > | } | 
| 847 | > | fpin = fopen(argv[i], "rb");    /* open SIR file */ | 
| 848 | > | if (fpin == NULL) { | 
| 849 | > | fprintf(stderr, "%s: cannot open BSDF interpolant '%s'\n", | 
| 850 | > | progname, argv[i]); | 
| 851 | > | return(1); | 
| 852 | > | } | 
| 853 | > | sprintf(buf, "%s:\n", argv[i]); | 
| 854 | > | record2header(buf); | 
| 855 | > | sir_headshare = &record2header; | 
| 856 | > | if (!load_bsdf_rep(fpin)) | 
| 857 | > | return(1); | 
| 858 | > | fclose(fpin); | 
| 859 | > | done_header(); | 
| 860 | > | sprintf(buf, "Interpolating component '%s'", argv[i]); | 
| 861 | > | prog_start(buf); | 
| 862 | > | if (!nsirs++) { | 
| 863 | > | add_wbsdf("-a", 1); | 
| 864 | > | add_wbsdf(tfmt[single_plane_incident], 1); | 
| 865 | > | } | 
| 866 | > | if (single_plane_incident) | 
| 867 | > | eval_isotropic(NULL); | 
| 868 | > | else | 
| 869 | > | eval_anisotropic(NULL); | 
| 870 | > | } | 
| 871 | > | if (i < argc) {                         /* function-based BSDF? */ | 
| 872 |  | void    (*evf)(char *s) = single_plane_incident ? | 
| 873 |  | eval_isotropic : eval_anisotropic; | 
| 874 |  | if (i != argc-1 || fundefined(argv[i]) < 3) { | 
| 899 |  | prog_start("Evaluating inside->outside transmission"); | 
| 900 |  | (*evf)(argv[i]); | 
| 901 |  | } | 
| 902 | < | return(wrap_up()); | 
| 902 | > | } else if (!nsirs) {                    /* else load SIR from stdin? */ | 
| 903 | > | record2header("<stdin>:\n"); | 
| 904 | > | sir_headshare = &record2header; | 
| 905 | > | if (!load_bsdf_rep(stdin)) | 
| 906 | > | return(1); | 
| 907 | > | done_header(); | 
| 908 | > | prog_start("Interpolating from standard input"); | 
| 909 | > | add_wbsdf("-a", 1); | 
| 910 | > | add_wbsdf(tfmt[single_plane_incident], 1); | 
| 911 | > | if (single_plane_incident)      /* resample dist. */ | 
| 912 | > | eval_isotropic(NULL); | 
| 913 | > | else | 
| 914 | > | eval_anisotropic(NULL); | 
| 915 |  | } | 
| 916 | < | if (i < argc) {                         /* open input files if given */ | 
| 873 | < | int     nbsdf = 0; | 
| 874 | < | for ( ; i < argc; i++) {        /* interpolate each component */ | 
| 875 | < | char    pbuf[256]; | 
| 876 | < | FILE    *fpin = fopen(argv[i], "rb"); | 
| 877 | < | if (fpin == NULL) { | 
| 878 | < | fprintf(stderr, "%s: cannot open BSDF interpolant '%s'\n", | 
| 879 | < | progname, argv[i]); | 
| 880 | < | return(1); | 
| 881 | < | } | 
| 882 | < | sprintf(pbuf, "%s:\n", argv[i]); | 
| 883 | < | record2header(pbuf); | 
| 884 | < | sir_headshare = &record2header; | 
| 885 | < | if (!load_bsdf_rep(fpin)) | 
| 886 | < | return(1); | 
| 887 | < | fclose(fpin); | 
| 888 | < | done_header(); | 
| 889 | < | sprintf(pbuf, "Interpolating component '%s'", argv[i]); | 
| 890 | < | prog_start(pbuf); | 
| 891 | < | if (!nbsdf++) { | 
| 892 | < | add_wbsdf("-a", 1); | 
| 893 | < | add_wbsdf(tfmt[single_plane_incident], 1); | 
| 894 | < | } | 
| 895 | < | if (single_plane_incident) | 
| 896 | < | eval_isotropic(NULL); | 
| 897 | < | else | 
| 898 | < | eval_anisotropic(NULL); | 
| 899 | < | } | 
| 900 | < | return(wrap_up()); | 
| 901 | < | } | 
| 902 | < | SET_FILE_BINARY(stdin);                 /* load from stdin */ | 
| 903 | < | if (!load_bsdf_rep(stdin)) | 
| 904 | < | return(1); | 
| 905 | < | prog_start("Interpolating from standard input"); | 
| 906 | < | add_wbsdf("-a", 1); | 
| 907 | < | add_wbsdf(tfmt[single_plane_incident], 1); | 
| 908 | < | if (single_plane_incident)              /* resample dist. */ | 
| 909 | < | eval_isotropic(NULL); | 
| 910 | < | else | 
| 911 | < | eval_anisotropic(NULL); | 
| 912 | < |  | 
| 913 | < | return(wrap_up()); | 
| 916 | > | return(wrap_up());                      /* call wrapBSDF */ | 
| 917 |  | userr: | 
| 918 |  | fprintf(stderr, | 
| 919 | < | "Usage: %s [{+|-}a][-g Nlog2][-t pctcull][-n nss][-s thresh][-l maxlobes] [bsdf.sir ..] > bsdf.xml\n", | 
| 919 | > | "Usage: %s [{+|-}a][-g Nlog2][-t pctcull][-n nss][-s thresh][-l maxlobes][bsdf.sir ..] > bsdf.xml\n", | 
| 920 |  | progname); | 
| 921 |  | fprintf(stderr, | 
| 922 |  | "   or: %s -t{3|4} [{+|-}a][-g Nlog2][-t pctcull][-n nss][-s thresh][{+|-}for[ward]][{+|-}b[ackward]][-e expr][-f file] bsdf_func > bsdf.xml\n", |