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/* Copyright (c) 1991 Regents of the University of California */ |
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|
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#ifndef lint |
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static char SCCSid[] = "$SunId$ LBL"; |
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#endif |
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|
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/* |
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* Routines to print mkillum objects |
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*/ |
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|
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#include "mkillum.h" |
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|
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#define brt(col) (.295*(col)[0] + .636*(col)[1] + .070*(col)[2]) |
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|
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char DATORD[] = "RGB"; /* data ordering */ |
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char DATSUF[] = ".dat"; /* data file suffix */ |
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char DSTSUF[] = ".dist"; /* distribution suffix */ |
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char FNCFNM[] = "illum.cal"; /* function file name */ |
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|
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|
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printobj(mod, obj) /* print out an object */ |
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char *mod; |
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register OBJREC *obj; |
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{ |
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register int i; |
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|
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printf("\n%s %s %s", mod, ofun[obj->otype].funame, obj->oname); |
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printf("\n%d", obj->oargs.nsargs); |
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for (i = 0; i < obj->oargs.nsargs; i++) |
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printf(" %s", obj->oargs.sarg[i]); |
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#ifdef IARGS |
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printf("\n%d", obj->oargs.niargs); |
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for (i = 0; i < obj->oargs.niargs; i++) |
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printf(" %d", obj->oargs.iarg[i]); |
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#else |
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printf("\n0"); |
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#endif |
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printf("\n%d", obj->oargs.nfargs); |
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for (i = 0; i < obj->oargs.nfargs; i++) { |
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if (i%3 == 0) |
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putchar('\n'); |
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printf(" %18.12g", obj->oargs.farg[i]); |
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} |
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putchar('\n'); |
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} |
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|
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|
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char * |
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dfname(il, c) /* return data file name */ |
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struct illum_args *il; |
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int c; |
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{ |
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extern char *getpath(), *strcpy(); |
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char fname[MAXSTR]; |
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register char *s; |
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|
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s = strcpy(fname, il->datafile); |
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s += strlen(s); |
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if (c) *s++ = c; |
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if (il->dfnum > 0) { |
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sprintf(s, "%d", il->dfnum); |
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s += strlen(s); |
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} |
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strcpy(s, DATSUF); |
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return(getpath(fname, NULL, 0)); |
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} |
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|
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|
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FILE * |
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dfopen(il, c) /* open data file */ |
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register struct illum_args *il; |
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int c; |
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{ |
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char *fn; |
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FILE *fp; |
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/* get a usable file name */ |
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for (fn = dfname(il, c); |
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!(il->flags & IL_DATCLB) && access(fn, F_OK) == 0; |
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fn = dfname(il, c)) |
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il->dfnum++; |
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/* open it for writing */ |
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if ((fp = fopen(fn, "w")) == NULL) { |
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sprintf(errmsg, "cannot open data file \"%s\"", fn); |
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error(SYSTEM, errmsg); |
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} |
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return(fp); |
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} |
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|
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|
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illumout(il, ob) /* print illum object */ |
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register struct illum_args *il; |
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OBJREC *ob; |
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{ |
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double cout[3]; |
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|
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printf("\n%s%s %s %s", il->matname, DSTSUF, |
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ofun[il->flags&IL_LIGHT?MAT_LIGHT:MAT_ILLUM].funame, |
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il->matname); |
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if (il->flags & IL_LIGHT || !strcmp(il->altmat,VOIDID)) |
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printf("\n0"); |
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else |
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printf("\n1 %s", il->altmat); |
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if (il->flags & IL_COLAVG) { |
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cout[0] = il->col[0]; |
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cout[1] = il->col[1]; |
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cout[2] = il->col[2]; |
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} else { |
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cout[0] = cout[1] = cout[2] = brt(il->col); |
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} |
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if (il->flags & IL_LIGHT) |
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printf("\n3 %f %f %f\n", cout[0], cout[1], cout[2]); |
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else |
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printf("\n4 %f %f %f 0\n", cout[0], cout[1], cout[2]); |
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|
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printobj(il->matname, ob); |
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} |
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|
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|
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flatout(il, da, n, m, u, v, w) /* write hemispherical distribution */ |
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struct illum_args *il; |
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float *da; |
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int n, m; |
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FVECT u, v, w; |
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{ |
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FILE *dfp; |
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int i; |
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|
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average(il, da, n*m); |
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if (il->flags & IL_COLDST) { |
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printf("\n%s %s %s%s", VOIDID, ofun[PAT_CDATA].funame, |
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il->matname, DSTSUF); |
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printf("\n9 red green blue"); |
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for (i = 0; i < 3; i++) { |
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dfp = dfopen(il, DATORD[i]); |
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fprintf(dfp, "2\n1 0 %d\n0 %f %d\n", n, 2.*PI, m); |
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colorout(i, da, n*m, 1./il->nsamps/il->col[i], dfp); |
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fclose(dfp); |
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printf(" %s", dfname(il, DATORD[i])); |
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} |
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} else { |
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printf("\n%s %s %s%s", VOIDID, ofun[PAT_BDATA].funame, |
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il->matname, DSTSUF); |
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printf("\n5 noop"); |
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dfp = dfopen(il, 0); |
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fprintf(dfp, "2\n1 0 %d\n0 %f %d\n", n, 2.*PI, m); |
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brightout(da, n*m, 1./il->nsamps/brt(il->col), dfp); |
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fclose(dfp); |
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printf(" %s", dfname(il, 0)); |
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} |
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printf("\n\t%s il_alth il_azih", FNCFNM); |
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printf("\n0\n9\n"); |
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printf("\t%f\t%f\t%f\n", u[0], u[1], u[2]); |
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printf("\t%f\t%f\t%f\n", v[0], v[1], v[2]); |
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printf("\t%f\t%f\t%f\n", w[0], w[1], w[2]); |
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il->dfnum++; |
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} |
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|
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|
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roundout(il, da, n, m) /* write spherical distribution */ |
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struct illum_args *il; |
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float *da; |
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int n, m; |
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{ |
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FILE *dfp; |
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int i; |
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|
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average(il, da, n*m); |
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if (il->flags & IL_COLDST) { |
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printf("\n%s %s %s%s", VOIDID, ofun[PAT_CDATA].funame, |
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il->matname, DSTSUF); |
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printf("\n9 red green blue"); |
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for (i = 0; i < 3; i++) { |
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dfp = dfopen(il, DATORD[i]); |
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fprintf(dfp, "2\n1 -1 %d\n0 %f %d\n", n, 2.*PI, m); |
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colorout(i, da, n*m, 1./il->nsamps/il->col[i], dfp); |
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fclose(dfp); |
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printf(" %s", dfname(il, DATORD[i])); |
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} |
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} else { |
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printf("\n%s %s %s%s", VOIDID, ofun[PAT_BDATA].funame, |
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il->matname, DSTSUF); |
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printf("\n5 noop"); |
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dfp = dfopen(il, 0); |
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fprintf(dfp, "2\n1 -1 %d\n0 %f %d\n", n, 2.*PI, m); |
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brightout(da, n*m, 1./il->nsamps/brt(il->col), dfp); |
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fclose(dfp); |
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printf(" %s", dfname(il, 0)); |
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} |
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printf("\n\t%s il_alt il_azi", FNCFNM); |
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printf("\n0\n0\n"); |
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il->dfnum++; |
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} |
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|
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|
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average(il, da, n) /* compute average value for distribution */ |
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register struct illum_args *il; |
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register float *da; |
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int n; |
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{ |
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register int i; |
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|
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il->col[0] = il->col[1] = il->col[2] = 0.; |
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i = n; |
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while (i-- > 0) { |
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il->col[0] += *da++; |
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il->col[1] += *da++; |
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il->col[2] += *da++; |
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} |
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for (i = 0; i < 3; i++) |
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il->col[i] /= (double)n*il->nsamps; |
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} |
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|
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|
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colorout(p, da, n, mult, fp) /* put out color distribution data */ |
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int p; |
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register float *da; |
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int n; |
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double mult; |
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FILE *fp; |
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{ |
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register int i; |
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|
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for (i = 0; i < n; i++) { |
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if (i%6 == 0) |
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putc('\n', fp); |
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fprintf(fp, " %11e", mult*da[p]); |
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da += 3; |
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} |
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putc('\n', fp); |
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} |
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|
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|
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brightout(da, n, mult, fp) /* put out brightness distribution data */ |
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register float *da; |
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int n; |
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double mult; |
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FILE *fp; |
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{ |
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register int i; |
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|
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for (i = 0; i < n; i++) { |
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if (i%6 == 0) |
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putc('\n', fp); |
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fprintf(fp, " %11e", mult*brt(da)); |
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da += 3; |
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} |
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putc('\n', fp); |
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} |
