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greg |
1.1 |
/* Copyright (c) 1990 Regents of the University of California */ |
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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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* Convert IES luminaire data to Radiance description |
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* |
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* 07Apr90 Greg Ward |
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*/ |
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#include <stdio.h> |
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#include <ctype.h> |
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#define PI 3.14159265358979323846 |
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/* floating comparisons */ |
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#define FTINY 1e-6 |
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#define FEQ(a,b) ((a)<=(b)+FTINY&&(a)>=(b)-FTINY) |
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/* tilt specs */ |
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#define TLTSTR "TILT=" |
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#define TLTSTRLEN 5 |
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#define TLTNONE "NONE" |
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#define TLTINCL "INCLUDE" |
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#define TLT_VERT 1 |
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#define TLT_H0 2 |
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#define TLT_H90 3 |
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/* photometric types */ |
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#define PM_C 1 |
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#define PM_B 2 |
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/* unit types */ |
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#define U_FEET 1 |
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#define U_METERS 2 |
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/* string lengths */ |
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#define MAXLINE 132 |
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#define MAXWORD 76 |
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#define MAXPATH 128 |
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/* file types */ |
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#define T_RAD ".rad" |
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#define T_DST ".dat" |
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#define T_TLT "+.dat" |
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/* shape types */ |
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#define RECT 1 |
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#define DISK 2 |
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#define SPHERE 3 |
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#define MINDIM .001 /* minimum dimension (point source) */ |
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#define F_M .3048 /* feet to meters */ |
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#define abspath(p) ((p)[0] == '/' || (p)[0] == '.') |
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char *libdir = NULL; /* library directory location */ |
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char *prefdir = NULL; /* subdirectory */ |
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char *lampdat = "lamp.tab"; /* lamp data file */ |
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double meters2out = 1.0; /* conversion from meters to output */ |
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char *lamptype = NULL; /* selected lamp type */ |
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float *lampcolor = NULL; /* pointer to lamp color */ |
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float defcolor[3] = {1.,1.,1.}; /* default lamp color */ |
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double multiplier = 1.0; /* multiplier for all light sources */ |
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char units[64] = "meters"; /* output units */ |
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double minaspect = 0.0; /* minimum allowed aspect ratio */ |
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int maxemitters = 1; /* maximum emitters per hemisphere */ |
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double illumrad = 0.0; /* radius for illum sphere */ |
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typedef struct { |
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int type; /* RECT, DISK, SPHERE */ |
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double w, l, h; /* width, length, height */ |
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double area; /* effective radiating area */ |
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} SHAPE; /* a source shape */ |
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int gargc; /* global argc (minus filenames) */ |
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char **gargv; /* global argv */ |
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extern char *strcpy(), *strcat(), *stradd(), *tailtrunc(), *filetrunc(), |
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*filename(), *libname(), *fullname(), *malloc(); |
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extern double atof(); |
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extern float *matchlamp(); |
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main(argc, argv) |
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int argc; |
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char *argv[]; |
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{ |
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char *outfile = NULL; |
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int status; |
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char outname[MAXWORD]; |
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double d1; |
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int i; |
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for (i = 1; i < argc && argv[i][0] == '-'; i++) |
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switch (argv[i][1]) { |
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case 'd': /* dimensions */ |
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if (argv[i][2] == '\0') |
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goto badopt; |
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if (argv[i][3] == '\0') |
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d1 = 1.0; |
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else if (argv[i][3] == '/') { |
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d1 = atof(argv[i]+4); |
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if (d1 <= FTINY) |
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goto badopt; |
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} else |
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goto badopt; |
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switch (argv[i][2]) { |
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case 'c': /* centimeters */ |
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if (FEQ(d1,10.)) |
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strcpy(units,"millimeters"); |
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else { |
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strcpy(units,"centimeters"); |
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strcat(units,argv[i]+3); |
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} |
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meters2out = 100.*d1; |
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break; |
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case 'm': /* meters */ |
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if (FEQ(d1,1000.)) |
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strcpy(units,"millimeters"); |
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else if (FEQ(d1,100.)) |
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strcpy(units,"centimeters"); |
120 |
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else { |
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strcpy(units,"meters"); |
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strcat(units,argv[i]+3); |
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} |
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meters2out = d1; |
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break; |
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case 'i': /* inches */ |
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strcpy(units,"inches"); |
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strcat(units,argv[i]+3); |
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meters2out = d1*(12./F_M); |
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break; |
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case 'f': /* feet */ |
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if (FEQ(d1,12.)) |
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strcpy(units,"inches"); |
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else { |
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strcpy(units,"feet"); |
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strcat(units,argv[i]+3); |
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} |
138 |
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meters2out = d1/F_M; |
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break; |
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default: |
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goto badopt; |
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} |
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break; |
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case 'l': /* library directory */ |
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libdir = argv[++i]; |
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break; |
147 |
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case 'p': /* prefix subdirectory */ |
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prefdir = argv[++i]; |
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break; |
150 |
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case 'f': /* lamp data file */ |
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lampdat = argv[++i]; |
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break; |
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case 'o': /* output file name */ |
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outfile = argv[++i]; |
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break; |
156 |
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case 's': /* square emitters */ |
157 |
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minaspect = .6; |
158 |
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if (argv[i][2] == '/') { |
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maxemitters = atoi(argv[i]+3); |
160 |
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if (maxemitters < 1) |
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goto badopt; |
162 |
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} |
163 |
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break; |
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case 'i': /* illum */ |
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illumrad = atof(argv[++i]); |
166 |
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if (illumrad < MINDIM) |
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illumrad = MINDIM; |
168 |
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break; |
169 |
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case 't': /* select lamp type */ |
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lamptype = argv[++i]; |
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break; |
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case 'c': /* default lamp color */ |
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defcolor[0] = atof(argv[++i]); |
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defcolor[1] = atof(argv[++i]); |
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defcolor[2] = atof(argv[++i]); |
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break; |
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case 'm': /* multiplier */ |
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multiplier = atof(argv[++i]); |
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break; |
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default: |
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badopt: |
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fprintf(stderr, "%s: bad option: %s\n", |
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argv[0], argv[i]); |
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exit(1); |
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} |
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gargc = i; |
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gargv = argv; |
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/* get lamp data */ |
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if ((status = loadlamps(lampdat)) < 0) |
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exit(1); |
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if (status == 0 || (lamptype != NULL && |
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(lampcolor = matchlamp(lamptype)) == NULL)) { |
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lampcolor = defcolor; |
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fprintf(stderr, "%s: warning - no lamp data\n", argv[0]); |
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} |
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/* convert ies file(s) */ |
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if (outfile != NULL) { |
198 |
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if (i == argc) |
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exit(ies2rad(NULL, outfile) == 0 ? 0 : 1); |
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else if (i == argc-1) |
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exit(ies2rad(argv[i], outfile) == 0 ? 0 : 1); |
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else { |
203 |
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fprintf(stderr, "%s: single input file required\n", |
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argv[0]); |
205 |
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exit(1); |
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} |
207 |
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} else if (i >= argc) { |
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fprintf(stderr, "%s: missing output file specification\n", |
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argv[0]); |
210 |
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exit(1); |
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} |
212 |
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status = 0; |
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for ( ; i < argc; i++) { |
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tailtrunc(strcpy(outname,filename(argv[i]))); |
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if (ies2rad(argv[i], outname) != 0) |
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status = 1; |
217 |
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} |
218 |
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exit(status); |
219 |
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} |
220 |
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221 |
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222 |
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char * |
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stradd(dst, src, sep) /* add a string at dst */ |
224 |
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register char *dst, *src; |
225 |
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int sep; |
226 |
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{ |
227 |
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if (src && *src) { |
228 |
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do |
229 |
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*dst++ = *src++; |
230 |
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while (*src); |
231 |
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if (sep && dst[-1] != sep) |
232 |
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*dst++ = sep; |
233 |
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} |
234 |
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*dst = '\0'; |
235 |
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return(dst); |
236 |
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} |
237 |
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238 |
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239 |
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char * |
240 |
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fullname(path, fname, suffix) /* return full path name */ |
241 |
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char *path, *fname, *suffix; |
242 |
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{ |
243 |
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if (prefdir != NULL && abspath(prefdir)) |
244 |
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libname(path, fname, suffix); |
245 |
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else if (abspath(fname)) |
246 |
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strcpy(stradd(path, fname, 0), suffix); |
247 |
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else |
248 |
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libname(stradd(path, libdir, '/'), fname, suffix); |
249 |
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250 |
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return(path); |
251 |
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} |
252 |
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253 |
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254 |
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char * |
255 |
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libname(path, fname, suffix) /* return library relative name */ |
256 |
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char *path, *fname, *suffix; |
257 |
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{ |
258 |
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if (abspath(fname)) |
259 |
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strcpy(stradd(path, fname, 0), suffix); |
260 |
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else |
261 |
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strcpy(stradd(stradd(path, prefdir, '/'), fname, 0), suffix); |
262 |
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263 |
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return(path); |
264 |
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} |
265 |
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266 |
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267 |
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char * |
268 |
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filename(path) /* get final component of pathname */ |
269 |
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register char *path; |
270 |
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{ |
271 |
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register char *cp; |
272 |
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273 |
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for (cp = path; *path; path++) |
274 |
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if (*path == '/') |
275 |
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cp = path+1; |
276 |
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return(cp); |
277 |
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} |
278 |
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279 |
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280 |
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char * |
281 |
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filetrunc(path) /* truncate filename at end of path */ |
282 |
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char *path; |
283 |
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{ |
284 |
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register char *p1, *p2; |
285 |
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286 |
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for (p1 = p2 = path; *p2; p2++) |
287 |
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if (*p2 == '/') |
288 |
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p1 = p2; |
289 |
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*p1 = '\0'; |
290 |
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return(path); |
291 |
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} |
292 |
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293 |
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294 |
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char * |
295 |
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tailtrunc(name) /* truncate tail of filename */ |
296 |
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char *name; |
297 |
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{ |
298 |
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register char *p1, *p2; |
299 |
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300 |
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for (p1 = filename(name); *p1 == '.'; p1++) |
301 |
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; |
302 |
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p2 = NULL; |
303 |
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for ( ; *p1; p1++) |
304 |
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if (*p1 == '.') |
305 |
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p2 = p1; |
306 |
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if (p2 != NULL) |
307 |
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*p2 = '\0'; |
308 |
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return(name); |
309 |
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} |
310 |
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311 |
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312 |
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blanktrunc(s) /* truncate spaces at end of line */ |
313 |
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char *s; |
314 |
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{ |
315 |
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register char *cp; |
316 |
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317 |
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for (cp = s; *cp; cp++) |
318 |
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; |
319 |
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while (cp-- > s && isspace(*cp)) |
320 |
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; |
321 |
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*++cp = '\0'; |
322 |
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} |
323 |
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324 |
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325 |
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putheader(out) /* print header */ |
326 |
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FILE *out; |
327 |
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{ |
328 |
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register int i; |
329 |
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330 |
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putc('#', out); |
331 |
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for (i = 0; i < gargc; i++) { |
332 |
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putc(' ', out); |
333 |
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fputs(gargv[i], out); |
334 |
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} |
335 |
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fputs("\n# Dimensions in ", out); |
336 |
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fputs(units, out); |
337 |
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putc('\n', out); |
338 |
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} |
339 |
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340 |
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341 |
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ies2rad(inpname, outname) /* convert IES file */ |
342 |
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char *inpname, *outname; |
343 |
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{ |
344 |
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char buf[MAXLINE], tltid[MAXWORD]; |
345 |
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FILE *inpfp, *outfp; |
346 |
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|
347 |
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if (inpname == NULL) { |
348 |
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inpname = "<stdin>"; |
349 |
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inpfp = stdin; |
350 |
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} else if ((inpfp = fopen(inpname, "r")) == NULL) { |
351 |
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perror(inpname); |
352 |
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return(-1); |
353 |
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} |
354 |
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if ((outfp = fopen(fullname(buf,outname,T_RAD), "w")) == NULL) { |
355 |
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perror(buf); |
356 |
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|
fclose(inpfp); |
357 |
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return(-1); |
358 |
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|
} |
359 |
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putheader(outfp); |
360 |
|
|
if (lamptype == NULL) |
361 |
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lampcolor = NULL; |
362 |
|
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while (fgets(buf,sizeof(buf),inpfp) != NULL |
363 |
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&& strncmp(buf,TLTSTR,TLTSTRLEN)) { |
364 |
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blanktrunc(buf); |
365 |
|
|
if (!buf[0]) |
366 |
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continue; |
367 |
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fputs("#<", outfp); |
368 |
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fputs(buf, outfp); |
369 |
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putc('\n', outfp); |
370 |
|
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if (lampcolor == NULL) |
371 |
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lampcolor = matchlamp(buf); |
372 |
|
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} |
373 |
|
|
if (lampcolor == NULL) { |
374 |
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fprintf(stderr, "%s: warning - no lamp type\n", inpname); |
375 |
|
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lampcolor = defcolor; |
376 |
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} |
377 |
|
|
if (feof(inpfp)) { |
378 |
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|
fprintf(stderr, "%s: not in IES format\n", inpname); |
379 |
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goto readerr; |
380 |
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|
} |
381 |
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sscanf(buf+TLTSTRLEN, "%s", tltid); |
382 |
|
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if (inpfp == stdin) |
383 |
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buf[0] = '\0'; |
384 |
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else |
385 |
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filetrunc(strcpy(buf, inpname)); |
386 |
|
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if (dotilt(inpfp, outfp, buf, tltid, outname, tltid) != 0) { |
387 |
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fprintf(stderr, "%s: bad tilt data\n", inpname); |
388 |
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|
goto readerr; |
389 |
|
|
} |
390 |
|
|
if (dosource(inpfp, outfp, tltid, outname) != 0) { |
391 |
|
|
fprintf(stderr, "%s: bad luminaire data\n", inpname); |
392 |
|
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goto readerr; |
393 |
|
|
} |
394 |
|
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fclose(outfp); |
395 |
|
|
fclose(inpfp); |
396 |
|
|
return(0); |
397 |
|
|
readerr: |
398 |
|
|
fclose(outfp); |
399 |
|
|
fclose(inpfp); |
400 |
|
|
unlink(fullname(buf,outname,T_RAD)); |
401 |
|
|
return(-1); |
402 |
|
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} |
403 |
|
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|
404 |
|
|
|
405 |
|
|
dotilt(in, out, dir, tltspec, dfltname, tltid) /* convert tilt data */ |
406 |
|
|
FILE *in, *out; |
407 |
|
|
char *dir, *tltspec, *dfltname, *tltid; |
408 |
|
|
{ |
409 |
|
|
int nangles, tlt_type; |
410 |
|
|
double minmax[2]; |
411 |
|
|
char buf[MAXPATH], tltname[MAXWORD]; |
412 |
|
|
FILE *datin, *datout; |
413 |
|
|
|
414 |
|
|
if (!strcmp(tltspec, TLTNONE)) { |
415 |
|
|
datin = NULL; |
416 |
|
|
strcpy(tltid, "void"); |
417 |
|
|
} else if (!strcmp(tltspec, TLTINCL)) { |
418 |
|
|
datin = in; |
419 |
|
|
strcpy(tltname, dfltname); |
420 |
|
|
} else { |
421 |
|
|
if (tltspec[0] == '/') |
422 |
|
|
strcpy(buf, tltspec); |
423 |
|
|
else |
424 |
|
|
strcpy(stradd(buf, dir, '/'), tltspec); |
425 |
|
|
if ((datin = fopen(buf, "r")) == NULL) { |
426 |
|
|
perror(buf); |
427 |
|
|
return(-1); |
428 |
|
|
} |
429 |
|
|
tailtrunc(strcpy(tltname,filename(tltspec))); |
430 |
|
|
} |
431 |
|
|
if (datin != NULL) { |
432 |
|
|
if ((datout = fopen(fullname(buf,tltname,T_TLT),"w")) == NULL) { |
433 |
|
|
perror(buf); |
434 |
|
|
if (datin != in) |
435 |
|
|
fclose(datin); |
436 |
|
|
return(-1); |
437 |
|
|
} |
438 |
|
|
if (fscanf(datin, "%d %d", &tlt_type, &nangles) != 2 |
439 |
|
|
|| cvdata(datin,datout,1,&nangles,1.,minmax) != 0) { |
440 |
|
|
fprintf(stderr, "%s: data format error\n", tltspec); |
441 |
|
|
fclose(datout); |
442 |
|
|
if (datin != in) |
443 |
|
|
fclose(datin); |
444 |
|
|
unlink(fullname(buf,tltname,T_TLT)); |
445 |
|
|
return(-1); |
446 |
|
|
} |
447 |
|
|
fclose(datout); |
448 |
|
|
if (datin != in) |
449 |
|
|
fclose(datin); |
450 |
|
|
strcat(strcpy(tltid, filename(tltname)), "_tilt"); |
451 |
|
|
fprintf(out, "\nvoid brightdata %s\n", tltid); |
452 |
|
|
libname(buf,tltname,T_TLT); |
453 |
|
|
switch (tlt_type) { |
454 |
|
|
case TLT_VERT: /* vertical */ |
455 |
|
|
fprintf(out, "4 noop %s tilt.cal %s\n", buf, |
456 |
|
|
minmax[1]>90.+FTINY ? "tilt_ang" : "tilt_ang2"); |
457 |
|
|
break; |
458 |
|
|
case TLT_H0: /* horiz. in 0 deg. plane */ |
459 |
|
|
fprintf(out, "6 noop %s tilt.cal %s -rz 90\n", buf, |
460 |
|
|
minmax[1]>90.+FTINY ? "tilt_xang" : "tilt_xang2"); |
461 |
|
|
break; |
462 |
|
|
case TLT_H90: |
463 |
|
|
fprintf(out, "4 noop %s tilt.cal %s\n", buf, |
464 |
|
|
minmax[1]>90.+FTINY ? "tilt_xang" : "tilt_xang2"); |
465 |
|
|
break; |
466 |
|
|
default: |
467 |
|
|
fprintf(stderr, |
468 |
|
|
"%s: illegal lamp to luminaire geometry (%d)\n", |
469 |
|
|
tltspec, tlt_type); |
470 |
|
|
return(-1); |
471 |
|
|
} |
472 |
|
|
fprintf(out, "0\n0\n"); |
473 |
|
|
} |
474 |
|
|
return(0); |
475 |
|
|
} |
476 |
|
|
|
477 |
|
|
|
478 |
|
|
dosource(in, out, mod, name) /* create source and distribution */ |
479 |
|
|
FILE *in, *out; |
480 |
|
|
char *mod, *name; |
481 |
|
|
{ |
482 |
|
|
SHAPE srcshape; |
483 |
|
|
char buf[MAXPATH], id[MAXWORD]; |
484 |
|
|
FILE *datout; |
485 |
|
|
double mult, bfactor, pfactor, width, length, height, wattage; |
486 |
|
|
double bounds[2][2]; |
487 |
|
|
int nangles[2], pmtype, unitype; |
488 |
|
|
double d1; |
489 |
|
|
|
490 |
|
|
if (fscanf(in, "%*d %*f %lf %d %d %d %d %lf %lf %lf %lf %lf %lf", |
491 |
|
|
&mult, &nangles[0], &nangles[1], &pmtype, &unitype, |
492 |
|
|
&width, &length, &height, &bfactor, &pfactor, |
493 |
|
|
&wattage) != 11) { |
494 |
|
|
fprintf(stderr, "dosource: bad lamp specification\n"); |
495 |
|
|
return(-1); |
496 |
|
|
} |
497 |
|
|
if (nangles[0] < 2 || nangles[1] < 1) { |
498 |
|
|
fprintf(stderr, "dosource: too few measured angles\n"); |
499 |
|
|
return(-1); |
500 |
|
|
} |
501 |
|
|
if (unitype == U_FEET) { |
502 |
|
|
width *= F_M; |
503 |
|
|
length *= F_M; |
504 |
|
|
height *= F_M; |
505 |
|
|
} |
506 |
|
|
if (makeshape(&srcshape, width, length, height) != 0) { |
507 |
|
|
fprintf(stderr, "dosource: illegal source dimensions"); |
508 |
|
|
return(-1); |
509 |
|
|
} |
510 |
|
|
if ((datout = fopen(fullname(buf,name,T_DST), "w")) == NULL) { |
511 |
|
|
perror(buf); |
512 |
|
|
return(-1); |
513 |
|
|
} |
514 |
|
|
if (cvdata(in, datout, 2, nangles, 1./683., bounds) != 0) { |
515 |
|
|
fprintf(stderr, "dosource: bad distribution data\n"); |
516 |
|
|
fclose(datout); |
517 |
|
|
unlink(fullname(buf,name,T_DST)); |
518 |
|
|
return(-1); |
519 |
|
|
} |
520 |
|
|
fclose(datout); |
521 |
|
|
fprintf(out, "# %g watt luminaire, lamp*ballast factor = %g\n", |
522 |
|
|
wattage, bfactor*pfactor); |
523 |
|
|
strcat(strcpy(id, filename(name)), "_dist"); |
524 |
|
|
fprintf(out, "\n%s brightdata %s\n", mod, id); |
525 |
|
|
if (nangles[1] < 2) |
526 |
|
|
fprintf(out, "4 "); |
527 |
|
|
else if (pmtype == PM_B) |
528 |
|
|
fprintf(out, "5 "); |
529 |
|
|
else if (FEQ(bounds[1][0],90.) && FEQ(bounds[1][1],270.)) |
530 |
|
|
fprintf(out, "8 "); |
531 |
|
|
else |
532 |
|
|
fprintf(out, "6 "); |
533 |
|
|
fprintf(out, "%s %s source.cal ", |
534 |
|
|
srcshape.type==SPHERE ? "corr" : "flatcorr", |
535 |
|
|
libname(buf,name,T_DST)); |
536 |
|
|
if (pmtype == PM_B) { |
537 |
|
|
if (FEQ(bounds[1][0],0.)) |
538 |
|
|
fprintf(out, "srcB_horiz2 "); |
539 |
|
|
else |
540 |
|
|
fprintf(out, "srcB_horiz "); |
541 |
|
|
fprintf(out, "srcB_vert "); |
542 |
|
|
} else { |
543 |
|
|
if (nangles[1] >= 2) { |
544 |
|
|
d1 = bounds[1][1] - bounds[1][0]; |
545 |
|
|
if (d1 <= 90.+FTINY) |
546 |
|
|
fprintf(out, "src_phi4 "); |
547 |
|
|
else if (d1 <= 180.+FTINY) |
548 |
|
|
fprintf(out, "src_phi2 "); |
549 |
|
|
else |
550 |
|
|
fprintf(out, "src_phi "); |
551 |
|
|
fprintf(out, "src_theta -my "); |
552 |
|
|
if (FEQ(bounds[1][0],90.) && FEQ(bounds[1][1],270.)) |
553 |
|
|
fprintf(out, "-rz -90 "); |
554 |
|
|
} else |
555 |
|
|
fprintf(out, "src_theta "); |
556 |
|
|
} |
557 |
|
|
fprintf(out, "\n0\n1 %g\n", multiplier*mult*bfactor*pfactor); |
558 |
|
|
if (putsource(&srcshape, out, id, filename(name), |
559 |
|
|
bounds[0][0]<90., bounds[0][1]>90.) != 0) |
560 |
|
|
return(-1); |
561 |
|
|
return(0); |
562 |
|
|
} |
563 |
|
|
|
564 |
|
|
|
565 |
|
|
putsource(shp, fp, mod, name, dolower, doupper) /* put out source */ |
566 |
|
|
SHAPE *shp; |
567 |
|
|
FILE *fp; |
568 |
|
|
char *mod, *name; |
569 |
|
|
int dolower, doupper; |
570 |
|
|
{ |
571 |
|
|
char buf[MAXWORD]; |
572 |
|
|
|
573 |
|
|
fprintf(fp, "\n%s %s %s_light\n", mod, |
574 |
|
|
illumrad>=MINDIM/2. ? "illum" : "light", |
575 |
|
|
name); |
576 |
|
|
fprintf(fp, "0\n0\n3 %g %g %g\n", |
577 |
|
|
lampcolor[0]/shp->area, |
578 |
|
|
lampcolor[1]/shp->area, |
579 |
|
|
lampcolor[2]/shp->area); |
580 |
|
|
if (doupper && dolower && shp->type != SPHERE && shp->h > MINDIM) { |
581 |
|
|
fprintf(fp, "\n%s glow %s_glow\n", mod, name); |
582 |
|
|
fprintf(fp, "0\n0\n4 %g %g %g 0\n", |
583 |
|
|
lampcolor[0]/shp->area, |
584 |
|
|
lampcolor[1]/shp->area, |
585 |
|
|
lampcolor[2]/shp->area); |
586 |
|
|
} |
587 |
|
|
switch (shp->type) { |
588 |
|
|
case RECT: |
589 |
|
|
strcat(strcpy(buf, name), "_light"); |
590 |
|
|
if (dolower) |
591 |
|
|
putrectsrc(shp, fp, buf, name, 0); |
592 |
|
|
if (doupper) |
593 |
|
|
putrectsrc(shp, fp, buf, name, 1); |
594 |
|
|
if (doupper && dolower && shp->h > MINDIM) { |
595 |
|
|
strcat(strcpy(buf, name), "_glow"); |
596 |
|
|
putsides(shp, fp, buf, name); |
597 |
|
|
} |
598 |
|
|
break; |
599 |
|
|
case DISK: |
600 |
|
|
strcat(strcpy(buf, name), "_light"); |
601 |
|
|
if (dolower) |
602 |
|
|
putdisksrc(shp, fp, buf, name, 0); |
603 |
|
|
if (doupper) |
604 |
|
|
putdisksrc(shp, fp, buf, name, 1); |
605 |
|
|
if (doupper && dolower && shp->h > MINDIM) { |
606 |
|
|
strcat(strcpy(buf, name), "_glow"); |
607 |
|
|
putcyl(shp, fp, buf, name); |
608 |
|
|
} |
609 |
|
|
break; |
610 |
|
|
case SPHERE: |
611 |
|
|
strcat(strcpy(buf, name), "_light"); |
612 |
|
|
putspheresrc(shp, fp, buf, name); |
613 |
|
|
break; |
614 |
|
|
} |
615 |
|
|
return(0); |
616 |
|
|
} |
617 |
|
|
|
618 |
|
|
|
619 |
|
|
makeshape(shp, width, length, height) /* make source shape */ |
620 |
|
|
register SHAPE *shp; |
621 |
|
|
double width, length, height; |
622 |
|
|
{ |
623 |
|
|
if (illumrad >= MINDIM/2.) { |
624 |
|
|
shp->type = SPHERE; |
625 |
|
|
shp->w = shp->l = shp->h = 2.*illumrad; |
626 |
|
|
} else if (width < MINDIM) { |
627 |
|
|
width = -width; |
628 |
|
|
if (width < MINDIM) { |
629 |
|
|
shp->type = SPHERE; |
630 |
|
|
shp->w = shp->l = shp->h = MINDIM; |
631 |
|
|
} else if (height < .5*width) { |
632 |
|
|
shp->type = DISK; |
633 |
|
|
shp->w = shp->l = width; |
634 |
|
|
if (height >= MINDIM) |
635 |
|
|
shp->h = height; |
636 |
|
|
else |
637 |
|
|
shp->h = .5*MINDIM; |
638 |
|
|
} else { |
639 |
|
|
shp->type = SPHERE; |
640 |
|
|
shp->w = shp->l = shp->h = width; |
641 |
|
|
} |
642 |
|
|
} else { |
643 |
|
|
shp->type = RECT; |
644 |
|
|
shp->w = width; |
645 |
|
|
if (length >= MINDIM) |
646 |
|
|
shp->l = length; |
647 |
|
|
else |
648 |
|
|
shp->l = MINDIM; |
649 |
|
|
if (height >= MINDIM) |
650 |
|
|
shp->h = height; |
651 |
|
|
else |
652 |
|
|
shp->h = .5*MINDIM; |
653 |
|
|
} |
654 |
|
|
switch (shp->type) { |
655 |
|
|
case RECT: |
656 |
|
|
shp->area = shp->w * shp->l; |
657 |
|
|
break; |
658 |
|
|
case DISK: |
659 |
|
|
shp->area = PI/4. * shp->w * shp->w; |
660 |
|
|
break; |
661 |
|
|
case SPHERE: |
662 |
|
|
shp->area = PI * shp->w * shp->w; |
663 |
|
|
break; |
664 |
|
|
} |
665 |
|
|
return(0); |
666 |
|
|
} |
667 |
|
|
|
668 |
|
|
|
669 |
|
|
putrectsrc(shp, fp, mod, name, up) /* rectangular source */ |
670 |
|
|
SHAPE *shp; |
671 |
|
|
FILE *fp; |
672 |
|
|
char *mod, *name; |
673 |
|
|
int up; |
674 |
|
|
{ |
675 |
|
|
if (up) |
676 |
|
|
putrect(shp, fp, mod, name, ".u", 4, 5, 7, 6); |
677 |
|
|
else |
678 |
|
|
putrect(shp, fp, mod, name, ".d", 0, 2, 3, 1); |
679 |
|
|
} |
680 |
|
|
|
681 |
|
|
|
682 |
|
|
putsides(shp, fp, mod, name) /* put out sides of box */ |
683 |
|
|
register SHAPE *shp; |
684 |
|
|
FILE *fp; |
685 |
|
|
char *mod, *name; |
686 |
|
|
{ |
687 |
|
|
putrect(shp, fp, mod, name, ".1", 0, 1, 5, 4); |
688 |
|
|
putrect(shp, fp, mod, name, ".2", 1, 3, 7, 5); |
689 |
|
|
putrect(shp, fp, mod, name, ".3", 3, 2, 6, 7); |
690 |
|
|
putrect(shp, fp, mod, name, ".4", 2, 0, 4, 6); |
691 |
|
|
} |
692 |
|
|
|
693 |
|
|
|
694 |
|
|
putrect(shp, fp, mod, name, suffix, a, b, c, d) /* put out a rectangle */ |
695 |
|
|
SHAPE *shp; |
696 |
|
|
FILE *fp; |
697 |
|
|
char *mod, *name, *suffix; |
698 |
|
|
int a, b, c, d; |
699 |
|
|
{ |
700 |
|
|
fprintf(fp, "\n%s polygon %s%s\n0\n0\n12\n", mod, name, suffix); |
701 |
|
|
putpoint(shp, fp, a); |
702 |
|
|
putpoint(shp, fp, b); |
703 |
|
|
putpoint(shp, fp, c); |
704 |
|
|
putpoint(shp, fp, d); |
705 |
|
|
} |
706 |
|
|
|
707 |
|
|
|
708 |
|
|
putpoint(shp, fp, p) /* put out a point */ |
709 |
|
|
register SHAPE *shp; |
710 |
|
|
FILE *fp; |
711 |
|
|
int p; |
712 |
|
|
{ |
713 |
|
|
static double mult[2] = {-.5, .5}; |
714 |
|
|
|
715 |
|
|
fprintf(fp, "\t%g\t%g\t%g\n", |
716 |
|
|
mult[p&1]*shp->l*meters2out, |
717 |
|
|
mult[p>>1&1]*shp->w*meters2out, |
718 |
|
|
mult[p>>2]*shp->h*meters2out); |
719 |
|
|
} |
720 |
|
|
|
721 |
|
|
|
722 |
|
|
putdisksrc(shp, fp, mod, name, up) /* put out a disk source */ |
723 |
|
|
register SHAPE *shp; |
724 |
|
|
FILE *fp; |
725 |
|
|
char *mod, *name; |
726 |
|
|
int up; |
727 |
|
|
{ |
728 |
|
|
if (up) { |
729 |
|
|
fprintf(fp, "\n%s ring %s.u\n", mod, name); |
730 |
|
|
fprintf(fp, "0\n0\n8\n"); |
731 |
|
|
fprintf(fp, "\t0 0 %g\n", .5*shp->h*meters2out); |
732 |
|
|
fprintf(fp, "\t0 0 1\n"); |
733 |
|
|
fprintf(fp, "\t0 %g\n", .5*shp->w*meters2out); |
734 |
|
|
} else { |
735 |
|
|
fprintf(fp, "\n%s ring %s.d\n", mod, name); |
736 |
|
|
fprintf(fp, "0\n0\n8\n"); |
737 |
|
|
fprintf(fp, "\t0 0 %g\n", -.5*shp->h*meters2out); |
738 |
|
|
fprintf(fp, "\t0 0 -1\n"); |
739 |
|
|
fprintf(fp, "\t0 %g\n", .5*shp->w*meters2out); |
740 |
|
|
} |
741 |
|
|
} |
742 |
|
|
|
743 |
|
|
|
744 |
|
|
putcyl(shp, fp, mod, name) /* put out a cylinder */ |
745 |
|
|
register SHAPE *shp; |
746 |
|
|
FILE *fp; |
747 |
|
|
char *mod, *name; |
748 |
|
|
{ |
749 |
|
|
fprintf(fp, "\n%s cylinder %s.c\n", mod, name); |
750 |
|
|
fprintf(fp, "0\n0\n7\n"); |
751 |
|
|
fprintf(fp, "\t0 0 %g\n", .5*shp->h*meters2out); |
752 |
|
|
fprintf(fp, "\t0 0 %g\n", -.5*shp->h*meters2out); |
753 |
|
|
fprintf(fp, "\t%g\n", .5*shp->w*meters2out); |
754 |
|
|
} |
755 |
|
|
|
756 |
|
|
|
757 |
|
|
putspheresrc(shp, fp, mod, name) /* put out a sphere source */ |
758 |
|
|
SHAPE *shp; |
759 |
|
|
FILE *fp; |
760 |
|
|
char *mod, *name; |
761 |
|
|
{ |
762 |
|
|
fprintf(fp, "\n%s sphere %s.s\n", mod, name); |
763 |
|
|
fprintf(fp, "0\n0\n4 0 0 0 %g\n", .5*shp->w*meters2out); |
764 |
|
|
} |
765 |
|
|
|
766 |
|
|
|
767 |
|
|
cvdata(in, out, ndim, npts, mult, lim) /* convert data */ |
768 |
|
|
FILE *in, *out; |
769 |
|
|
int ndim, npts[]; |
770 |
|
|
double mult, lim[][2]; |
771 |
|
|
{ |
772 |
|
|
register double *pt[4]; |
773 |
|
|
register int i, j; |
774 |
|
|
double val; |
775 |
|
|
int total; |
776 |
|
|
|
777 |
|
|
total = 1; j = 0; |
778 |
|
|
for (i = 0; i < ndim; i++) |
779 |
|
|
if (npts[i] > 1) { |
780 |
|
|
total *= npts[i]; |
781 |
|
|
j++; |
782 |
|
|
} |
783 |
|
|
fprintf(out, "%d\n", j); |
784 |
|
|
/* get coordinates */ |
785 |
|
|
for (i = 0; i < ndim; i++) { |
786 |
|
|
pt[i] = (double *)malloc(npts[i]*sizeof(double)); |
787 |
|
|
for (j = 0; j < npts[i]; j++) |
788 |
|
|
fscanf(in, "%lf", &pt[i][j]); |
789 |
|
|
if (lim != NULL) { |
790 |
|
|
lim[i][0] = pt[i][0]; |
791 |
|
|
lim[i][1] = pt[i][npts[i]-1]; |
792 |
|
|
} |
793 |
|
|
} |
794 |
|
|
/* write out in reverse */ |
795 |
|
|
for (i = ndim-1; i >= 0; i--) { |
796 |
|
|
if (npts[i] > 1) { |
797 |
|
|
for (j = 1; j < npts[i]-1; j++) |
798 |
|
|
if (!FEQ(pt[i][j]-pt[i][j-1], |
799 |
|
|
pt[i][j+1]-pt[i][j])) |
800 |
|
|
break; |
801 |
|
|
if (j == npts[i]-1) |
802 |
|
|
fprintf(out, "%g %g %d\n", pt[i][0], pt[i][j], |
803 |
|
|
npts[i]); |
804 |
|
|
else { |
805 |
|
|
fprintf(out, "0 0 %d", npts[i]); |
806 |
|
|
for (j = 0; j < npts[i]; j++) { |
807 |
|
|
if (j%4 == 0) |
808 |
|
|
putc('\n', out); |
809 |
|
|
fprintf(out, "\t%g", pt[i][j]); |
810 |
|
|
} |
811 |
|
|
putc('\n', out); |
812 |
|
|
} |
813 |
|
|
} |
814 |
|
|
free((char *)pt[i]); |
815 |
|
|
} |
816 |
|
|
for (i = 0; i < total; i++) { |
817 |
|
|
if (i%4 == 0) |
818 |
|
|
putc('\n', out); |
819 |
|
|
if (fscanf(in, "%lf", &val) != 1) |
820 |
|
|
return(-1); |
821 |
|
|
fprintf(out, "\t%g", val*mult); |
822 |
|
|
} |
823 |
|
|
putc('\n', out); |
824 |
|
|
return(0); |
825 |
|
|
} |