| 1 |
/* Copyright (c) 1992 Regents of the University of California */
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| 2 |
|
| 3 |
#ifndef lint
|
| 4 |
static char SCCSid[] = "$SunId$ LBL";
|
| 5 |
#endif
|
| 6 |
|
| 7 |
/*
|
| 8 |
* Convert IES luminaire data to Radiance description
|
| 9 |
*
|
| 10 |
* 07Apr90 Greg Ward
|
| 11 |
*/
|
| 12 |
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| 13 |
#include <stdio.h>
|
| 14 |
#include <ctype.h>
|
| 15 |
#include "color.h"
|
| 16 |
#include "paths.h"
|
| 17 |
|
| 18 |
#define PI 3.14159265358979323846
|
| 19 |
/* floating comparisons */
|
| 20 |
#define FTINY 1e-6
|
| 21 |
#define FEQ(a,b) ((a)<=(b)+FTINY&&(a)>=(b)-FTINY)
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| 22 |
/* tilt specs */
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| 23 |
#define TLTSTR "TILT="
|
| 24 |
#define TLTSTRLEN 5
|
| 25 |
#define TLTNONE "NONE"
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| 26 |
#define TLTINCL "INCLUDE"
|
| 27 |
#define TLT_VERT 1
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| 28 |
#define TLT_H0 2
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| 29 |
#define TLT_H90 3
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| 30 |
/* photometric types */
|
| 31 |
#define PM_C 1
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| 32 |
#define PM_B 2
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| 33 |
/* unit types */
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| 34 |
#define U_FEET 1
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| 35 |
#define U_METERS 2
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| 36 |
/* string lengths */
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| 37 |
#define MAXLINE 132
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| 38 |
#define MAXWORD 76
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| 39 |
/* file types */
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| 40 |
#define T_RAD ".rad"
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| 41 |
#define T_DST ".dat"
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| 42 |
#define T_TLT "+.dat"
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| 43 |
/* shape types */
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| 44 |
#define RECT 1
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| 45 |
#define DISK 2
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| 46 |
#define SPHERE 3
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| 47 |
|
| 48 |
#define MINDIM .001 /* minimum dimension (point source) */
|
| 49 |
|
| 50 |
#define F_M .3048 /* feet to meters */
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| 51 |
|
| 52 |
#define abspath(p) (ISDIRSEP((p)[0]) || (p)[0] == '.')
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| 53 |
|
| 54 |
static char default_name[] = "default";
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| 55 |
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| 56 |
char *libdir = NULL; /* library directory location */
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| 57 |
char *prefdir = NULL; /* subdirectory */
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| 58 |
char *lampdat = "lamp.tab"; /* lamp data file */
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| 59 |
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| 60 |
double meters2out = 1.0; /* conversion from meters to output */
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| 61 |
char *lamptype = NULL; /* selected lamp type */
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| 62 |
char *deflamp = NULL; /* default lamp type */
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| 63 |
float defcolor[3] = {1.,1.,1.}; /* default lamp color */
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| 64 |
float *lampcolor = defcolor; /* pointer to current lamp color */
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| 65 |
double multiplier = 1.0; /* multiplier for all light sources */
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| 66 |
char units[64] = "meters"; /* output units */
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| 67 |
double illumrad = 0.0; /* radius for illum sphere */
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| 68 |
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| 69 |
typedef struct {
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| 70 |
int type; /* RECT, DISK, SPHERE */
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| 71 |
double w, l, h; /* width, length, height */
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| 72 |
double area; /* max. projected area */
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| 73 |
} SHAPE; /* a source shape */
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| 74 |
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| 75 |
int gargc; /* global argc (minus filenames) */
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char **gargv; /* global argv */
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| 78 |
extern char *strcpy(), *strcat(), *stradd(), *tailtrunc(), *filetrunc(),
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| 79 |
*filename(), *libname(), *fullname(), *malloc();
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| 80 |
extern float *matchlamp();
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| 82 |
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| 83 |
main(argc, argv)
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int argc;
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| 85 |
char *argv[];
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| 86 |
{
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| 87 |
char *outfile = NULL;
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| 88 |
int status;
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| 89 |
char outname[MAXWORD];
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| 90 |
double d1;
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| 91 |
int i;
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| 92 |
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| 93 |
for (i = 1; i < argc && argv[i][0] == '-'; i++)
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| 94 |
switch (argv[i][1]) {
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| 95 |
case 'd': /* dimensions */
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| 96 |
if (argv[i][2] == '\0')
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| 97 |
goto badopt;
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| 98 |
if (argv[i][3] == '\0')
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| 99 |
d1 = 1.0;
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| 100 |
else if (argv[i][3] == '/') {
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| 101 |
d1 = atof(argv[i]+4);
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| 102 |
if (d1 <= FTINY)
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| 103 |
goto badopt;
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| 104 |
} else
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| 105 |
goto badopt;
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| 106 |
switch (argv[i][2]) {
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| 107 |
case 'c': /* centimeters */
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| 108 |
if (FEQ(d1,10.))
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| 109 |
strcpy(units,"millimeters");
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| 110 |
else {
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| 111 |
strcpy(units,"centimeters");
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| 112 |
strcat(units,argv[i]+3);
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| 113 |
}
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| 114 |
meters2out = 100.*d1;
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| 115 |
break;
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| 116 |
case 'm': /* meters */
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| 117 |
if (FEQ(d1,1000.))
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| 118 |
strcpy(units,"millimeters");
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| 119 |
else if (FEQ(d1,100.))
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| 120 |
strcpy(units,"centimeters");
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| 121 |
else {
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| 122 |
strcpy(units,"meters");
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| 123 |
strcat(units,argv[i]+3);
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| 124 |
}
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| 125 |
meters2out = d1;
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| 126 |
break;
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| 127 |
case 'i': /* inches */
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| 128 |
strcpy(units,"inches");
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| 129 |
strcat(units,argv[i]+3);
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| 130 |
meters2out = d1*(12./F_M);
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| 131 |
break;
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| 132 |
case 'f': /* feet */
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| 133 |
if (FEQ(d1,12.))
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| 134 |
strcpy(units,"inches");
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| 135 |
else {
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| 136 |
strcpy(units,"feet");
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| 137 |
strcat(units,argv[i]+3);
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| 138 |
}
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| 139 |
meters2out = d1/F_M;
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| 140 |
break;
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| 141 |
default:
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| 142 |
goto badopt;
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| 143 |
}
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| 144 |
break;
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| 145 |
case 'l': /* library directory */
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| 146 |
libdir = argv[++i];
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break;
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| 148 |
case 'p': /* prefix subdirectory */
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| 149 |
prefdir = argv[++i];
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| 150 |
break;
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| 151 |
case 'f': /* lamp data file */
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| 152 |
lampdat = argv[++i];
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| 153 |
break;
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| 154 |
case 'o': /* output file name */
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outfile = argv[++i];
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| 156 |
break;
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case 'i': /* illum */
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illumrad = atof(argv[++i]);
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| 159 |
if (illumrad < MINDIM)
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illumrad = MINDIM;
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| 161 |
break;
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| 162 |
case 't': /* override lamp type */
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lamptype = argv[++i];
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break;
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| 165 |
case 'u': /* default lamp type */
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deflamp = argv[++i];
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| 167 |
break;
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| 168 |
case 'c': /* default lamp color */
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defcolor[0] = atof(argv[++i]);
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| 170 |
defcolor[1] = atof(argv[++i]);
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| 171 |
defcolor[2] = atof(argv[++i]);
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| 172 |
break;
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| 173 |
case 'm': /* multiplier */
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multiplier = atof(argv[++i]);
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| 175 |
break;
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default:
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| 177 |
badopt:
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| 178 |
fprintf(stderr, "%s: bad option: %s\n",
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| 179 |
argv[0], argv[i]);
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| 180 |
exit(1);
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| 181 |
}
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| 182 |
gargc = i;
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| 183 |
gargv = argv;
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| 184 |
initlamps(); /* get lamp data (if needed) */
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| 185 |
/* convert ies file(s) */
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| 186 |
if (outfile != NULL) {
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| 187 |
if (i == argc)
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| 188 |
exit(ies2rad(NULL, outfile) == 0 ? 0 : 1);
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| 189 |
else if (i == argc-1)
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| 190 |
exit(ies2rad(argv[i], outfile) == 0 ? 0 : 1);
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| 191 |
else {
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| 192 |
fprintf(stderr, "%s: single input file required\n",
|
| 193 |
argv[0]);
|
| 194 |
exit(1);
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| 195 |
}
|
| 196 |
} else if (i >= argc) {
|
| 197 |
fprintf(stderr, "%s: missing output file specification\n",
|
| 198 |
argv[0]);
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| 199 |
exit(1);
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| 200 |
}
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| 201 |
status = 0;
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| 202 |
for ( ; i < argc; i++) {
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| 203 |
tailtrunc(strcpy(outname,filename(argv[i])));
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| 204 |
if (ies2rad(argv[i], outname) != 0)
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| 205 |
status = 1;
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| 206 |
}
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| 207 |
exit(status);
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| 208 |
}
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| 209 |
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| 210 |
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| 211 |
initlamps() /* set up lamps */
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| 212 |
{
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| 213 |
float *lcol;
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| 214 |
int status;
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| 215 |
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| 216 |
if (lamptype != NULL && !strcmp(lamptype, default_name) &&
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| 217 |
deflamp == NULL)
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| 218 |
return; /* no need for data */
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| 219 |
/* else load file */
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| 220 |
if ((status = loadlamps(lampdat)) < 0)
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| 221 |
exit(1);
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| 222 |
if (status == 0) {
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| 223 |
fprintf(stderr, "%s: warning - no lamp data\n", lampdat);
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| 224 |
lamptype = default_name;
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| 225 |
return;
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| 226 |
}
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| 227 |
if (deflamp != NULL) { /* match default type */
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| 228 |
if ((lcol = matchlamp(deflamp)) == NULL)
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| 229 |
fprintf(stderr,
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| 230 |
"%s: warning - unknown default lamp type\n",
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| 231 |
deflamp);
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| 232 |
else
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| 233 |
copycolor(defcolor, lcol);
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| 234 |
}
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| 235 |
if (lamptype != NULL) { /* match selected type */
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| 236 |
if (strcmp(lamptype, default_name)) {
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| 237 |
if ((lcol = matchlamp(lamptype)) == NULL) {
|
| 238 |
fprintf(stderr,
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| 239 |
"%s: warning - unknown lamp type\n",
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| 240 |
lamptype);
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| 241 |
lamptype = default_name;
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| 242 |
} else
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| 243 |
copycolor(defcolor, lcol);
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| 244 |
}
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| 245 |
freelamps(); /* all done with data */
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| 246 |
}
|
| 247 |
/* else keep lamp data */
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| 248 |
}
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| 249 |
|
| 250 |
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| 251 |
char *
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| 252 |
stradd(dst, src, sep) /* add a string at dst */
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| 253 |
register char *dst, *src;
|
| 254 |
int sep;
|
| 255 |
{
|
| 256 |
if (src && *src) {
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| 257 |
do
|
| 258 |
*dst++ = *src++;
|
| 259 |
while (*src);
|
| 260 |
if (sep && dst[-1] != sep)
|
| 261 |
*dst++ = sep;
|
| 262 |
}
|
| 263 |
*dst = '\0';
|
| 264 |
return(dst);
|
| 265 |
}
|
| 266 |
|
| 267 |
|
| 268 |
char *
|
| 269 |
fullname(path, fname, suffix) /* return full path name */
|
| 270 |
char *path, *fname, *suffix;
|
| 271 |
{
|
| 272 |
if (prefdir != NULL && abspath(prefdir))
|
| 273 |
libname(path, fname, suffix);
|
| 274 |
else if (abspath(fname))
|
| 275 |
strcpy(stradd(path, fname, 0), suffix);
|
| 276 |
else
|
| 277 |
libname(stradd(path, libdir, DIRSEP), fname, suffix);
|
| 278 |
|
| 279 |
return(path);
|
| 280 |
}
|
| 281 |
|
| 282 |
|
| 283 |
char *
|
| 284 |
libname(path, fname, suffix) /* return library relative name */
|
| 285 |
char *path, *fname, *suffix;
|
| 286 |
{
|
| 287 |
if (abspath(fname))
|
| 288 |
strcpy(stradd(path, fname, 0), suffix);
|
| 289 |
else
|
| 290 |
strcpy(stradd(stradd(path, prefdir, DIRSEP), fname, 0), suffix);
|
| 291 |
|
| 292 |
return(path);
|
| 293 |
}
|
| 294 |
|
| 295 |
|
| 296 |
char *
|
| 297 |
filename(path) /* get final component of pathname */
|
| 298 |
register char *path;
|
| 299 |
{
|
| 300 |
register char *cp;
|
| 301 |
|
| 302 |
for (cp = path; *path; path++)
|
| 303 |
if (ISDIRSEP(*path))
|
| 304 |
cp = path+1;
|
| 305 |
return(cp);
|
| 306 |
}
|
| 307 |
|
| 308 |
|
| 309 |
char *
|
| 310 |
filetrunc(path) /* truncate filename at end of path */
|
| 311 |
char *path;
|
| 312 |
{
|
| 313 |
register char *p1, *p2;
|
| 314 |
|
| 315 |
for (p1 = p2 = path; *p2; p2++)
|
| 316 |
if (ISDIRSEP(*p2))
|
| 317 |
p1 = p2;
|
| 318 |
*p1 = '\0';
|
| 319 |
return(path);
|
| 320 |
}
|
| 321 |
|
| 322 |
|
| 323 |
char *
|
| 324 |
tailtrunc(name) /* truncate tail of filename */
|
| 325 |
char *name;
|
| 326 |
{
|
| 327 |
register char *p1, *p2;
|
| 328 |
|
| 329 |
for (p1 = filename(name); *p1 == '.'; p1++)
|
| 330 |
;
|
| 331 |
p2 = NULL;
|
| 332 |
for ( ; *p1; p1++)
|
| 333 |
if (*p1 == '.')
|
| 334 |
p2 = p1;
|
| 335 |
if (p2 != NULL)
|
| 336 |
*p2 = '\0';
|
| 337 |
return(name);
|
| 338 |
}
|
| 339 |
|
| 340 |
|
| 341 |
blanktrunc(s) /* truncate spaces at end of line */
|
| 342 |
char *s;
|
| 343 |
{
|
| 344 |
register char *cp;
|
| 345 |
|
| 346 |
for (cp = s; *cp; cp++)
|
| 347 |
;
|
| 348 |
while (cp-- > s && isspace(*cp))
|
| 349 |
;
|
| 350 |
*++cp = '\0';
|
| 351 |
}
|
| 352 |
|
| 353 |
|
| 354 |
putheader(out) /* print header */
|
| 355 |
FILE *out;
|
| 356 |
{
|
| 357 |
register int i;
|
| 358 |
|
| 359 |
putc('#', out);
|
| 360 |
for (i = 0; i < gargc; i++) {
|
| 361 |
putc(' ', out);
|
| 362 |
fputs(gargv[i], out);
|
| 363 |
}
|
| 364 |
fputs("\n# Dimensions in ", out);
|
| 365 |
fputs(units, out);
|
| 366 |
putc('\n', out);
|
| 367 |
}
|
| 368 |
|
| 369 |
|
| 370 |
ies2rad(inpname, outname) /* convert IES file */
|
| 371 |
char *inpname, *outname;
|
| 372 |
{
|
| 373 |
char buf[MAXLINE], tltid[MAXWORD];
|
| 374 |
FILE *inpfp, *outfp;
|
| 375 |
|
| 376 |
if (inpname == NULL) {
|
| 377 |
inpname = "<stdin>";
|
| 378 |
inpfp = stdin;
|
| 379 |
} else if ((inpfp = fopen(inpname, "r")) == NULL) {
|
| 380 |
perror(inpname);
|
| 381 |
return(-1);
|
| 382 |
}
|
| 383 |
if ((outfp = fopen(fullname(buf,outname,T_RAD), "w")) == NULL) {
|
| 384 |
perror(buf);
|
| 385 |
fclose(inpfp);
|
| 386 |
return(-1);
|
| 387 |
}
|
| 388 |
putheader(outfp);
|
| 389 |
if (lamptype == NULL)
|
| 390 |
lampcolor = NULL;
|
| 391 |
while (fgets(buf,sizeof(buf),inpfp) != NULL
|
| 392 |
&& strncmp(buf,TLTSTR,TLTSTRLEN)) {
|
| 393 |
blanktrunc(buf);
|
| 394 |
if (!buf[0])
|
| 395 |
continue;
|
| 396 |
fputs("#<", outfp);
|
| 397 |
fputs(buf, outfp);
|
| 398 |
putc('\n', outfp);
|
| 399 |
if (lampcolor == NULL)
|
| 400 |
lampcolor = matchlamp(buf);
|
| 401 |
}
|
| 402 |
if (lampcolor == NULL) {
|
| 403 |
fprintf(stderr, "%s: warning - no lamp type\n", inpname);
|
| 404 |
lampcolor = defcolor;
|
| 405 |
}
|
| 406 |
if (feof(inpfp)) {
|
| 407 |
fprintf(stderr, "%s: not in IES format\n", inpname);
|
| 408 |
goto readerr;
|
| 409 |
}
|
| 410 |
sscanf(buf+TLTSTRLEN, "%s", tltid);
|
| 411 |
if (inpfp == stdin)
|
| 412 |
buf[0] = '\0';
|
| 413 |
else
|
| 414 |
filetrunc(strcpy(buf, inpname));
|
| 415 |
if (dotilt(inpfp, outfp, buf, tltid, outname, tltid) != 0) {
|
| 416 |
fprintf(stderr, "%s: bad tilt data\n", inpname);
|
| 417 |
goto readerr;
|
| 418 |
}
|
| 419 |
if (dosource(inpfp, outfp, tltid, outname) != 0) {
|
| 420 |
fprintf(stderr, "%s: bad luminaire data\n", inpname);
|
| 421 |
goto readerr;
|
| 422 |
}
|
| 423 |
fclose(outfp);
|
| 424 |
fclose(inpfp);
|
| 425 |
return(0);
|
| 426 |
readerr:
|
| 427 |
fclose(outfp);
|
| 428 |
fclose(inpfp);
|
| 429 |
unlink(fullname(buf,outname,T_RAD));
|
| 430 |
return(-1);
|
| 431 |
}
|
| 432 |
|
| 433 |
|
| 434 |
dotilt(in, out, dir, tltspec, dfltname, tltid) /* convert tilt data */
|
| 435 |
FILE *in, *out;
|
| 436 |
char *dir, *tltspec, *dfltname, *tltid;
|
| 437 |
{
|
| 438 |
int nangles, tlt_type;
|
| 439 |
double minmax[2];
|
| 440 |
char buf[MAXPATH], tltname[MAXWORD];
|
| 441 |
FILE *datin, *datout;
|
| 442 |
|
| 443 |
if (!strcmp(tltspec, TLTNONE)) {
|
| 444 |
datin = NULL;
|
| 445 |
strcpy(tltid, "void");
|
| 446 |
} else if (!strcmp(tltspec, TLTINCL)) {
|
| 447 |
datin = in;
|
| 448 |
strcpy(tltname, dfltname);
|
| 449 |
} else {
|
| 450 |
if (ISDIRSEP(tltspec[0]))
|
| 451 |
strcpy(buf, tltspec);
|
| 452 |
else
|
| 453 |
strcpy(stradd(buf, dir, DIRSEP), tltspec);
|
| 454 |
if ((datin = fopen(buf, "r")) == NULL) {
|
| 455 |
perror(buf);
|
| 456 |
return(-1);
|
| 457 |
}
|
| 458 |
tailtrunc(strcpy(tltname,filename(tltspec)));
|
| 459 |
}
|
| 460 |
if (datin != NULL) {
|
| 461 |
if ((datout = fopen(fullname(buf,tltname,T_TLT),"w")) == NULL) {
|
| 462 |
perror(buf);
|
| 463 |
if (datin != in)
|
| 464 |
fclose(datin);
|
| 465 |
return(-1);
|
| 466 |
}
|
| 467 |
if (fscanf(datin, "%d %d", &tlt_type, &nangles) != 2
|
| 468 |
|| cvdata(datin,datout,1,&nangles,1.,minmax) != 0) {
|
| 469 |
fprintf(stderr, "%s: data format error\n", tltspec);
|
| 470 |
fclose(datout);
|
| 471 |
if (datin != in)
|
| 472 |
fclose(datin);
|
| 473 |
unlink(fullname(buf,tltname,T_TLT));
|
| 474 |
return(-1);
|
| 475 |
}
|
| 476 |
fclose(datout);
|
| 477 |
if (datin != in)
|
| 478 |
fclose(datin);
|
| 479 |
strcat(strcpy(tltid, filename(tltname)), "_tilt");
|
| 480 |
fprintf(out, "\nvoid brightdata %s\n", tltid);
|
| 481 |
libname(buf,tltname,T_TLT);
|
| 482 |
switch (tlt_type) {
|
| 483 |
case TLT_VERT: /* vertical */
|
| 484 |
fprintf(out, "4 noop %s tilt.cal %s\n", buf,
|
| 485 |
minmax[1]>90.+FTINY ? "tilt_ang" : "tilt_ang2");
|
| 486 |
break;
|
| 487 |
case TLT_H0: /* horiz. in 0 deg. plane */
|
| 488 |
fprintf(out, "6 noop %s tilt.cal %s -rz 90\n", buf,
|
| 489 |
minmax[1]>90.+FTINY ? "tilt_xang" : "tilt_xang2");
|
| 490 |
break;
|
| 491 |
case TLT_H90:
|
| 492 |
fprintf(out, "4 noop %s tilt.cal %s\n", buf,
|
| 493 |
minmax[1]>90.+FTINY ? "tilt_xang" : "tilt_xang2");
|
| 494 |
break;
|
| 495 |
default:
|
| 496 |
fprintf(stderr,
|
| 497 |
"%s: illegal lamp to luminaire geometry (%d)\n",
|
| 498 |
tltspec, tlt_type);
|
| 499 |
return(-1);
|
| 500 |
}
|
| 501 |
fprintf(out, "0\n0\n");
|
| 502 |
}
|
| 503 |
return(0);
|
| 504 |
}
|
| 505 |
|
| 506 |
|
| 507 |
dosource(in, out, mod, name) /* create source and distribution */
|
| 508 |
FILE *in, *out;
|
| 509 |
char *mod, *name;
|
| 510 |
{
|
| 511 |
SHAPE srcshape;
|
| 512 |
char buf[MAXPATH], id[MAXWORD];
|
| 513 |
FILE *datout;
|
| 514 |
double mult, bfactor, pfactor, width, length, height, wattage;
|
| 515 |
double bounds[2][2];
|
| 516 |
int nangles[2], pmtype, unitype;
|
| 517 |
double d1;
|
| 518 |
|
| 519 |
if (fscanf(in, "%*d %*f %lf %d %d %d %d %lf %lf %lf %lf %lf %lf",
|
| 520 |
&mult, &nangles[0], &nangles[1], &pmtype, &unitype,
|
| 521 |
&width, &length, &height, &bfactor, &pfactor,
|
| 522 |
&wattage) != 11) {
|
| 523 |
fprintf(stderr, "dosource: bad lamp specification\n");
|
| 524 |
return(-1);
|
| 525 |
}
|
| 526 |
if (nangles[0] < 2 || nangles[1] < 1) {
|
| 527 |
fprintf(stderr, "dosource: too few measured angles\n");
|
| 528 |
return(-1);
|
| 529 |
}
|
| 530 |
if (unitype == U_FEET) {
|
| 531 |
width *= F_M;
|
| 532 |
length *= F_M;
|
| 533 |
height *= F_M;
|
| 534 |
}
|
| 535 |
if (makeshape(&srcshape, width, length, height) != 0) {
|
| 536 |
fprintf(stderr, "dosource: illegal source dimensions");
|
| 537 |
return(-1);
|
| 538 |
}
|
| 539 |
if ((datout = fopen(fullname(buf,name,T_DST), "w")) == NULL) {
|
| 540 |
perror(buf);
|
| 541 |
return(-1);
|
| 542 |
}
|
| 543 |
if (cvdata(in, datout, 2, nangles, 1./WHTEFFICACY, bounds) != 0) {
|
| 544 |
fprintf(stderr, "dosource: bad distribution data\n");
|
| 545 |
fclose(datout);
|
| 546 |
unlink(fullname(buf,name,T_DST));
|
| 547 |
return(-1);
|
| 548 |
}
|
| 549 |
fclose(datout);
|
| 550 |
fprintf(out, "# %g watt luminaire, lamp*ballast factor = %g\n",
|
| 551 |
wattage, bfactor*pfactor);
|
| 552 |
strcat(strcpy(id, filename(name)), "_dist");
|
| 553 |
fprintf(out, "\n%s brightdata %s\n", mod, id);
|
| 554 |
if (nangles[1] < 2)
|
| 555 |
fprintf(out, "4 ");
|
| 556 |
else if (pmtype == PM_B)
|
| 557 |
fprintf(out, "5 ");
|
| 558 |
else if (FEQ(bounds[1][0],90.) && FEQ(bounds[1][1],270.))
|
| 559 |
fprintf(out, "8 ");
|
| 560 |
else
|
| 561 |
fprintf(out, "6 ");
|
| 562 |
fprintf(out, "%s %s source.cal ",
|
| 563 |
srcshape.type==SPHERE ? "corr" : "flatcorr",
|
| 564 |
libname(buf,name,T_DST));
|
| 565 |
if (pmtype == PM_B) {
|
| 566 |
if (FEQ(bounds[1][0],0.))
|
| 567 |
fprintf(out, "srcB_horiz2 ");
|
| 568 |
else
|
| 569 |
fprintf(out, "srcB_horiz ");
|
| 570 |
fprintf(out, "srcB_vert ");
|
| 571 |
} else {
|
| 572 |
if (nangles[1] >= 2) {
|
| 573 |
d1 = bounds[1][1] - bounds[1][0];
|
| 574 |
if (d1 <= 90.+FTINY)
|
| 575 |
fprintf(out, "src_phi4 ");
|
| 576 |
else if (d1 <= 180.+FTINY)
|
| 577 |
fprintf(out, "src_phi2 ");
|
| 578 |
else
|
| 579 |
fprintf(out, "src_phi ");
|
| 580 |
fprintf(out, "src_theta -my ");
|
| 581 |
if (FEQ(bounds[1][0],90.) && FEQ(bounds[1][1],270.))
|
| 582 |
fprintf(out, "-rz -90 ");
|
| 583 |
} else
|
| 584 |
fprintf(out, "src_theta ");
|
| 585 |
}
|
| 586 |
fprintf(out, "\n0\n1 %g\n", multiplier*mult*bfactor*pfactor);
|
| 587 |
if (putsource(&srcshape, out, id, filename(name),
|
| 588 |
bounds[0][0]<90., bounds[0][1]>90.) != 0)
|
| 589 |
return(-1);
|
| 590 |
return(0);
|
| 591 |
}
|
| 592 |
|
| 593 |
|
| 594 |
putsource(shp, fp, mod, name, dolower, doupper) /* put out source */
|
| 595 |
SHAPE *shp;
|
| 596 |
FILE *fp;
|
| 597 |
char *mod, *name;
|
| 598 |
int dolower, doupper;
|
| 599 |
{
|
| 600 |
char buf[MAXWORD];
|
| 601 |
|
| 602 |
fprintf(fp, "\n%s %s %s_light\n", mod,
|
| 603 |
illumrad>=MINDIM/2. ? "illum" : "light",
|
| 604 |
name);
|
| 605 |
fprintf(fp, "0\n0\n3 %g %g %g\n",
|
| 606 |
lampcolor[0]/shp->area,
|
| 607 |
lampcolor[1]/shp->area,
|
| 608 |
lampcolor[2]/shp->area);
|
| 609 |
if (doupper && dolower && shp->type != SPHERE && shp->h > MINDIM) {
|
| 610 |
fprintf(fp, "\n%s glow %s_glow\n", mod, name);
|
| 611 |
fprintf(fp, "0\n0\n4 %g %g %g 0\n",
|
| 612 |
lampcolor[0]/shp->area,
|
| 613 |
lampcolor[1]/shp->area,
|
| 614 |
lampcolor[2]/shp->area);
|
| 615 |
}
|
| 616 |
switch (shp->type) {
|
| 617 |
case RECT:
|
| 618 |
strcat(strcpy(buf, name), "_light");
|
| 619 |
if (dolower)
|
| 620 |
putrectsrc(shp, fp, buf, name, 0);
|
| 621 |
if (doupper)
|
| 622 |
putrectsrc(shp, fp, buf, name, 1);
|
| 623 |
if (doupper && dolower && shp->h > MINDIM) {
|
| 624 |
strcat(strcpy(buf, name), "_glow");
|
| 625 |
putsides(shp, fp, buf, name);
|
| 626 |
}
|
| 627 |
break;
|
| 628 |
case DISK:
|
| 629 |
strcat(strcpy(buf, name), "_light");
|
| 630 |
if (dolower)
|
| 631 |
putdisksrc(shp, fp, buf, name, 0);
|
| 632 |
if (doupper)
|
| 633 |
putdisksrc(shp, fp, buf, name, 1);
|
| 634 |
if (doupper && dolower && shp->h > MINDIM) {
|
| 635 |
strcat(strcpy(buf, name), "_glow");
|
| 636 |
putcyl(shp, fp, buf, name);
|
| 637 |
}
|
| 638 |
break;
|
| 639 |
case SPHERE:
|
| 640 |
strcat(strcpy(buf, name), "_light");
|
| 641 |
putspheresrc(shp, fp, buf, name);
|
| 642 |
break;
|
| 643 |
}
|
| 644 |
return(0);
|
| 645 |
}
|
| 646 |
|
| 647 |
|
| 648 |
makeshape(shp, width, length, height) /* make source shape */
|
| 649 |
register SHAPE *shp;
|
| 650 |
double width, length, height;
|
| 651 |
{
|
| 652 |
if (illumrad >= MINDIM/2.) {
|
| 653 |
shp->type = SPHERE;
|
| 654 |
shp->w = shp->l = shp->h = 2.*illumrad;
|
| 655 |
} else if (width < MINDIM) {
|
| 656 |
width = -width;
|
| 657 |
if (width < MINDIM) {
|
| 658 |
shp->type = SPHERE;
|
| 659 |
shp->w = shp->l = shp->h = MINDIM;
|
| 660 |
} else if (height < .5*width) {
|
| 661 |
shp->type = DISK;
|
| 662 |
shp->w = shp->l = width;
|
| 663 |
if (height >= MINDIM)
|
| 664 |
shp->h = height;
|
| 665 |
else
|
| 666 |
shp->h = .5*MINDIM;
|
| 667 |
} else {
|
| 668 |
shp->type = SPHERE;
|
| 669 |
shp->w = shp->l = shp->h = width;
|
| 670 |
}
|
| 671 |
} else {
|
| 672 |
shp->type = RECT;
|
| 673 |
shp->w = width;
|
| 674 |
if (length >= MINDIM)
|
| 675 |
shp->l = length;
|
| 676 |
else
|
| 677 |
shp->l = MINDIM;
|
| 678 |
if (height >= MINDIM)
|
| 679 |
shp->h = height;
|
| 680 |
else
|
| 681 |
shp->h = .5*MINDIM;
|
| 682 |
}
|
| 683 |
switch (shp->type) {
|
| 684 |
case RECT:
|
| 685 |
shp->area = shp->w * shp->l;
|
| 686 |
break;
|
| 687 |
case DISK:
|
| 688 |
case SPHERE:
|
| 689 |
shp->area = PI/4. * shp->w * shp->w;
|
| 690 |
break;
|
| 691 |
}
|
| 692 |
return(0);
|
| 693 |
}
|
| 694 |
|
| 695 |
|
| 696 |
putrectsrc(shp, fp, mod, name, up) /* rectangular source */
|
| 697 |
SHAPE *shp;
|
| 698 |
FILE *fp;
|
| 699 |
char *mod, *name;
|
| 700 |
int up;
|
| 701 |
{
|
| 702 |
if (up)
|
| 703 |
putrect(shp, fp, mod, name, ".u", 4, 5, 7, 6);
|
| 704 |
else
|
| 705 |
putrect(shp, fp, mod, name, ".d", 0, 2, 3, 1);
|
| 706 |
}
|
| 707 |
|
| 708 |
|
| 709 |
putsides(shp, fp, mod, name) /* put out sides of box */
|
| 710 |
register SHAPE *shp;
|
| 711 |
FILE *fp;
|
| 712 |
char *mod, *name;
|
| 713 |
{
|
| 714 |
putrect(shp, fp, mod, name, ".1", 0, 1, 5, 4);
|
| 715 |
putrect(shp, fp, mod, name, ".2", 1, 3, 7, 5);
|
| 716 |
putrect(shp, fp, mod, name, ".3", 3, 2, 6, 7);
|
| 717 |
putrect(shp, fp, mod, name, ".4", 2, 0, 4, 6);
|
| 718 |
}
|
| 719 |
|
| 720 |
|
| 721 |
putrect(shp, fp, mod, name, suffix, a, b, c, d) /* put out a rectangle */
|
| 722 |
SHAPE *shp;
|
| 723 |
FILE *fp;
|
| 724 |
char *mod, *name, *suffix;
|
| 725 |
int a, b, c, d;
|
| 726 |
{
|
| 727 |
fprintf(fp, "\n%s polygon %s%s\n0\n0\n12\n", mod, name, suffix);
|
| 728 |
putpoint(shp, fp, a);
|
| 729 |
putpoint(shp, fp, b);
|
| 730 |
putpoint(shp, fp, c);
|
| 731 |
putpoint(shp, fp, d);
|
| 732 |
}
|
| 733 |
|
| 734 |
|
| 735 |
putpoint(shp, fp, p) /* put out a point */
|
| 736 |
register SHAPE *shp;
|
| 737 |
FILE *fp;
|
| 738 |
int p;
|
| 739 |
{
|
| 740 |
static double mult[2] = {-.5, .5};
|
| 741 |
|
| 742 |
fprintf(fp, "\t%g\t%g\t%g\n",
|
| 743 |
mult[p&1]*shp->l*meters2out,
|
| 744 |
mult[p>>1&1]*shp->w*meters2out,
|
| 745 |
mult[p>>2]*shp->h*meters2out);
|
| 746 |
}
|
| 747 |
|
| 748 |
|
| 749 |
putdisksrc(shp, fp, mod, name, up) /* put out a disk source */
|
| 750 |
register SHAPE *shp;
|
| 751 |
FILE *fp;
|
| 752 |
char *mod, *name;
|
| 753 |
int up;
|
| 754 |
{
|
| 755 |
if (up) {
|
| 756 |
fprintf(fp, "\n%s ring %s.u\n", mod, name);
|
| 757 |
fprintf(fp, "0\n0\n8\n");
|
| 758 |
fprintf(fp, "\t0 0 %g\n", .5*shp->h*meters2out);
|
| 759 |
fprintf(fp, "\t0 0 1\n");
|
| 760 |
fprintf(fp, "\t0 %g\n", .5*shp->w*meters2out);
|
| 761 |
} else {
|
| 762 |
fprintf(fp, "\n%s ring %s.d\n", mod, name);
|
| 763 |
fprintf(fp, "0\n0\n8\n");
|
| 764 |
fprintf(fp, "\t0 0 %g\n", -.5*shp->h*meters2out);
|
| 765 |
fprintf(fp, "\t0 0 -1\n");
|
| 766 |
fprintf(fp, "\t0 %g\n", .5*shp->w*meters2out);
|
| 767 |
}
|
| 768 |
}
|
| 769 |
|
| 770 |
|
| 771 |
putcyl(shp, fp, mod, name) /* put out a cylinder */
|
| 772 |
register SHAPE *shp;
|
| 773 |
FILE *fp;
|
| 774 |
char *mod, *name;
|
| 775 |
{
|
| 776 |
fprintf(fp, "\n%s cylinder %s.c\n", mod, name);
|
| 777 |
fprintf(fp, "0\n0\n7\n");
|
| 778 |
fprintf(fp, "\t0 0 %g\n", .5*shp->h*meters2out);
|
| 779 |
fprintf(fp, "\t0 0 %g\n", -.5*shp->h*meters2out);
|
| 780 |
fprintf(fp, "\t%g\n", .5*shp->w*meters2out);
|
| 781 |
}
|
| 782 |
|
| 783 |
|
| 784 |
putspheresrc(shp, fp, mod, name) /* put out a sphere source */
|
| 785 |
SHAPE *shp;
|
| 786 |
FILE *fp;
|
| 787 |
char *mod, *name;
|
| 788 |
{
|
| 789 |
fprintf(fp, "\n%s sphere %s.s\n", mod, name);
|
| 790 |
fprintf(fp, "0\n0\n4 0 0 0 %g\n", .5*shp->w*meters2out);
|
| 791 |
}
|
| 792 |
|
| 793 |
|
| 794 |
cvdata(in, out, ndim, npts, mult, lim) /* convert data */
|
| 795 |
FILE *in, *out;
|
| 796 |
int ndim, npts[];
|
| 797 |
double mult, lim[][2];
|
| 798 |
{
|
| 799 |
double *pt[4];
|
| 800 |
register int i, j;
|
| 801 |
double val;
|
| 802 |
int total;
|
| 803 |
|
| 804 |
total = 1; j = 0;
|
| 805 |
for (i = 0; i < ndim; i++)
|
| 806 |
if (npts[i] > 1) {
|
| 807 |
total *= npts[i];
|
| 808 |
j++;
|
| 809 |
}
|
| 810 |
fprintf(out, "%d\n", j);
|
| 811 |
/* get coordinates */
|
| 812 |
for (i = 0; i < ndim; i++) {
|
| 813 |
pt[i] = (double *)malloc(npts[i]*sizeof(double));
|
| 814 |
for (j = 0; j < npts[i]; j++)
|
| 815 |
fscanf(in, "%lf", &pt[i][j]);
|
| 816 |
if (lim != NULL) {
|
| 817 |
lim[i][0] = pt[i][0];
|
| 818 |
lim[i][1] = pt[i][npts[i]-1];
|
| 819 |
}
|
| 820 |
}
|
| 821 |
/* write out in reverse */
|
| 822 |
for (i = ndim-1; i >= 0; i--) {
|
| 823 |
if (npts[i] > 1) {
|
| 824 |
for (j = 1; j < npts[i]-1; j++)
|
| 825 |
if (!FEQ(pt[i][j]-pt[i][j-1],
|
| 826 |
pt[i][j+1]-pt[i][j]))
|
| 827 |
break;
|
| 828 |
if (j == npts[i]-1)
|
| 829 |
fprintf(out, "%g %g %d\n", pt[i][0], pt[i][j],
|
| 830 |
npts[i]);
|
| 831 |
else {
|
| 832 |
fprintf(out, "0 0 %d", npts[i]);
|
| 833 |
for (j = 0; j < npts[i]; j++) {
|
| 834 |
if (j%4 == 0)
|
| 835 |
putc('\n', out);
|
| 836 |
fprintf(out, "\t%g", pt[i][j]);
|
| 837 |
}
|
| 838 |
putc('\n', out);
|
| 839 |
}
|
| 840 |
}
|
| 841 |
free((char *)pt[i]);
|
| 842 |
}
|
| 843 |
for (i = 0; i < total; i++) {
|
| 844 |
if (i%4 == 0)
|
| 845 |
putc('\n', out);
|
| 846 |
if (fscanf(in, "%lf", &val) != 1)
|
| 847 |
return(-1);
|
| 848 |
fprintf(out, "\t%g", val*mult);
|
| 849 |
}
|
| 850 |
putc('\n', out);
|
| 851 |
return(0);
|
| 852 |
}
|
