| 1 |
#ifndef lint
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| 2 |
static const char RCSid[] = "$Id: rtmain.c,v 2.61 2025/06/20 16:34:23 greg Exp $";
|
| 3 |
#endif
|
| 4 |
/*
|
| 5 |
* rtmain.c - main for rtrace per-ray calculation program
|
| 6 |
*/
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| 7 |
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| 8 |
#include "copyright.h"
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| 9 |
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| 10 |
#include <signal.h>
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| 11 |
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| 12 |
#include "platform.h"
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| 13 |
#include "rtprocess.h" /* getpid() */
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| 14 |
#include "resolu.h"
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| 15 |
#include "ray.h"
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| 16 |
#include "func.h"
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| 17 |
#include "source.h"
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| 18 |
#include "ambient.h"
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| 19 |
#include "random.h"
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| 20 |
#include "pmapray.h"
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| 21 |
/* persistent processes define */
|
| 22 |
#ifdef F_SETLKW
|
| 23 |
#define PERSIST 1 /* normal persist */
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| 24 |
#define PARALLEL 2 /* parallel persist */
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| 25 |
#define PCHILD 3 /* child of normal persist */
|
| 26 |
#endif
|
| 27 |
|
| 28 |
char *sigerr[NSIG]; /* signal error messages */
|
| 29 |
char *errfile = NULL; /* error output file */
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| 30 |
|
| 31 |
int nproc = 1; /* number of processes */
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| 32 |
|
| 33 |
extern int setrtoutput(void); /* set output values */
|
| 34 |
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| 35 |
int inform = 'a'; /* input format */
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| 36 |
int outform = 'a'; /* output format */
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| 37 |
char *outvals = "v"; /* output specification */
|
| 38 |
|
| 39 |
int hresolu = 0; /* horizontal (scan) size */
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| 40 |
int vresolu = 0; /* vertical resolution */
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| 41 |
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| 42 |
extern int castonly; /* only doing ray-casting? */
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| 43 |
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| 44 |
int imm_irrad = 0; /* compute immediate irradiance? */
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| 45 |
int lim_dist = 0; /* limit distance? */
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| 46 |
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| 47 |
#ifndef MAXMODLIST
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| 48 |
#define MAXMODLIST 1024 /* maximum modifiers we'll track */
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| 49 |
#endif
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| 50 |
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| 51 |
extern void (*addobjnotify[])(); /* object notification calls */
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| 52 |
extern void tranotify(OBJECT obj);
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| 53 |
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| 54 |
char *tralist[MAXMODLIST]; /* list of modifers to trace (or no) */
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| 55 |
int traincl = -1; /* include == 1, exclude == 0 */
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| 56 |
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| 57 |
double (*sens_curve)(const SCOLOR scol) = NULL; /* spectral conversion for 1-channel */
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| 58 |
double out_scalefactor = 1; /* output calibration scale factor */
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| 59 |
RGBPRIMP out_prims = stdprims; /* output color primitives (NULL if spectral) */
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| 60 |
static RGBPRIMS our_prims; /* private output color primitives */
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| 61 |
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| 62 |
static int loadflags = ~IO_FILES; /* what to load from octree */
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| 63 |
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| 64 |
static void onsig(int signo);
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| 65 |
static void sigdie(int signo, char *msg);
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| 66 |
static void printdefaults(void);
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| 67 |
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| 68 |
#ifdef PERSIST
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| 69 |
#define RTRACE_FEATURES "Persist\nParallelPersist\nMultiprocessing\n" \
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| 70 |
"IrradianceCalc\nImmediateIrradiance\nDistanceLimiting\n" \
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| 71 |
"ParticipatingMedia=Mist\n" \
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| 72 |
"HessianAmbientCache\nAmbientAveraging\n" \
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| 73 |
"AmbientValueSharing\nAdaptiveShadowTesting\n" \
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| 74 |
"InputFormats=a,f,d\nOutputFormats=a,f,d,c\n" \
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| 75 |
"Outputs=o,d,v,V,w,W,l,L,c,p,n,N,s,m,M,r,x,R,X,~\n" \
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| 76 |
"OutputCS=RGB,XYZ,Y,S,M,prims,spec\n"
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| 77 |
#else
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| 78 |
#define RTRACE_FEATURES "IrradianceCalc\nIrradianceCalc\nDistanceLimiting\n" \
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| 79 |
"ParticipatingMedia=Mist\n" \
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| 80 |
"HessianAmbientCache\nAmbientAveraging\n" \
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| 81 |
"AmbientValueSharing\nAdaptiveShadowTesting\n" \
|
| 82 |
"InputFormats=a,f,d\nOutputFormats=a,f,d,c\n" \
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| 83 |
"Outputs=o,d,v,V,w,W,l,L,c,p,n,N,s,m,M,r,x,R,X,~\n" \
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| 84 |
"OutputCS=RGB,XYZ,Y,S,M,prims,spec\n"
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| 85 |
#endif
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| 87 |
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| 88 |
int
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| 89 |
main(int argc, char *argv[])
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| 90 |
{
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| 91 |
#define check(ol,al) if (argv[i][ol] || \
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| 92 |
badarg(argc-i-1,argv+i+1,al)) \
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| 93 |
goto badopt
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| 94 |
#define check_bool(olen,var) switch (argv[i][olen]) { \
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| 95 |
case '\0': var = !var; break; \
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| 96 |
case 'y': case 'Y': case 't': case 'T': \
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| 97 |
case '+': case '1': var = 1; break; \
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| 98 |
case 'n': case 'N': case 'f': case 'F': \
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| 99 |
case '-': case '0': var = 0; break; \
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| 100 |
default: goto badopt; }
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| 101 |
extern char *octname;
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| 102 |
int persist = 0;
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| 103 |
char *octnm = NULL;
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| 104 |
char **tralp = NULL;
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| 105 |
int duped1 = -1;
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| 106 |
int rval;
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| 107 |
int i;
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| 108 |
/* global program name */
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| 109 |
progname = argv[0] = fixargv0(argv[0]);
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/* feature check only? */
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| 111 |
strcat(RFeatureList, RTRACE_FEATURES);
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| 112 |
if (argc > 1 && !strcmp(argv[1], "-features"))
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| 113 |
return feature_status(argc-2, argv+2);
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| 114 |
/* initialize calcomp routines */
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| 115 |
initfunc();
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| 116 |
/* add trace notify function */
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| 117 |
for (i = 0; addobjnotify[i] != NULL; i++)
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| 118 |
;
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| 119 |
addobjnotify[i] = tranotify;
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| 120 |
/* option city */
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| 121 |
for (i = 1; i < argc; i++) {
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| 122 |
/* expand arguments */
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| 123 |
while ((rval = expandarg(&argc, &argv, i)) > 0)
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| 124 |
;
|
| 125 |
if (rval < 0) {
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| 126 |
sprintf(errmsg, "cannot expand '%s'", argv[i]);
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| 127 |
error(SYSTEM, errmsg);
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| 128 |
}
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| 129 |
if (argv[i] == NULL || argv[i][0] != '-')
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| 130 |
break; /* break from options */
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| 131 |
if (!strcmp(argv[i], "-version")) {
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| 132 |
puts(VersionID);
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| 133 |
quit(0);
|
| 134 |
}
|
| 135 |
if (!strcmp(argv[i], "-defaults") ||
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| 136 |
!strcmp(argv[i], "-help")) {
|
| 137 |
printdefaults();
|
| 138 |
quit(0);
|
| 139 |
}
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| 140 |
rval = getrenderopt(argc-i, argv+i);
|
| 141 |
if (rval >= 0) {
|
| 142 |
i += rval;
|
| 143 |
continue;
|
| 144 |
}
|
| 145 |
switch (argv[i][1]) {
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| 146 |
case 'n': /* number of cores */
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| 147 |
check(2,"i");
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| 148 |
nproc = atoi(argv[++i]);
|
| 149 |
if (nproc <= 0)
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| 150 |
error(USER, "bad number of processes");
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| 151 |
break;
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| 152 |
case 'x': /* x resolution */
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| 153 |
check(2,"i");
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| 154 |
hresolu = atoi(argv[++i]);
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| 155 |
break;
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| 156 |
case 'y': /* y resolution */
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| 157 |
check(2,"i");
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| 158 |
vresolu = atoi(argv[++i]);
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| 159 |
break;
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| 160 |
case 'w': /* warnings & spectral */
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| 161 |
rval = erract[WARNING].pf != NULL;
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| 162 |
check_bool(2,rval);
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| 163 |
if (rval) erract[WARNING].pf = wputs;
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| 164 |
else erract[WARNING].pf = NULL;
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| 165 |
break;
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| 166 |
case 'e': /* error file */
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| 167 |
check(2,"s");
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| 168 |
errfile = argv[++i];
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| 169 |
break;
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| 170 |
case 'l': /* limit distance */
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| 171 |
if (argv[i][2] != 'd')
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| 172 |
goto badopt;
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| 173 |
check_bool(3,lim_dist);
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| 174 |
break;
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| 175 |
case 'I': /* immed. irradiance */
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| 176 |
check_bool(2,imm_irrad);
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| 177 |
break;
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| 178 |
case 'f': /* format i/o */
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| 179 |
switch (argv[i][2]) {
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| 180 |
case 'a': /* ascii */
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| 181 |
case 'f': /* float */
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| 182 |
case 'd': /* double */
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| 183 |
inform = argv[i][2];
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| 184 |
break;
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| 185 |
default:
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| 186 |
goto badopt;
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}
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| 188 |
switch (argv[i][3]) {
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| 189 |
case '\0':
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| 190 |
outform = inform;
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break;
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case 'a': /* ascii */
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case 'f': /* float */
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case 'd': /* double */
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case 'c': /* color */
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check(4,"");
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outform = argv[i][3];
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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 'o': /* output */
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outvals = argv[i]+2;
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break;
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case 'h': /* header output */
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rval = loadflags & IO_INFO;
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check_bool(2,rval);
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loadflags = rval ? loadflags | IO_INFO :
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loadflags & ~IO_INFO;
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break;
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| 212 |
case 't': /* trace */
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switch (argv[i][2]) {
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case 'i': /* include */
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case 'I':
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check(3,"s");
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if (traincl != 1) {
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traincl = 1;
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tralp = tralist;
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}
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if (argv[i][2] == 'I') { /* file */
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rval = wordfile(tralp, MAXMODLIST-(tralp-tralist),
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getpath(argv[++i],getrlibpath(),R_OK));
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if (rval < 0) {
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sprintf(errmsg,
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"cannot open trace include file \"%s\"",
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argv[i]);
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error(SYSTEM, errmsg);
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}
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tralp += rval;
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} else {
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*tralp++ = argv[++i];
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*tralp = NULL;
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}
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break;
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| 236 |
case 'e': /* exclude */
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| 237 |
case 'E':
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| 238 |
check(3,"s");
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| 239 |
if (traincl != 0) {
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| 240 |
traincl = 0;
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| 241 |
tralp = tralist;
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| 242 |
}
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| 243 |
if (argv[i][2] == 'E') { /* file */
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| 244 |
rval = wordfile(tralp, MAXMODLIST-(tralp-tralist),
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| 245 |
getpath(argv[++i],getrlibpath(),R_OK));
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| 246 |
if (rval < 0) {
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| 247 |
sprintf(errmsg,
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| 248 |
"cannot open trace exclude file \"%s\"",
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| 249 |
argv[i]);
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| 250 |
error(SYSTEM, errmsg);
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| 251 |
}
|
| 252 |
tralp += rval;
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| 253 |
} else {
|
| 254 |
*tralp++ = argv[++i];
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| 255 |
*tralp = NULL;
|
| 256 |
}
|
| 257 |
break;
|
| 258 |
default:
|
| 259 |
goto badopt;
|
| 260 |
}
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| 261 |
break;
|
| 262 |
case 'p': /* value output */
|
| 263 |
switch (argv[i][2]) {
|
| 264 |
case 'R': /* standard RGB output */
|
| 265 |
if (strcmp(argv[i]+2, "RGB"))
|
| 266 |
goto badopt;
|
| 267 |
out_prims = stdprims;
|
| 268 |
out_scalefactor = 1;
|
| 269 |
sens_curve = NULL;
|
| 270 |
break;
|
| 271 |
case 'X': /* XYZ output */
|
| 272 |
if (strcmp(argv[i]+2, "XYZ"))
|
| 273 |
goto badopt;
|
| 274 |
out_prims = xyzprims;
|
| 275 |
out_scalefactor = WHTEFFICACY;
|
| 276 |
sens_curve = NULL;
|
| 277 |
break;
|
| 278 |
case 'c': {
|
| 279 |
int j;
|
| 280 |
check(3,"ffffffff");
|
| 281 |
rval = 0;
|
| 282 |
for (j = 0; j < 8; j++) {
|
| 283 |
our_prims[0][j] = atof(argv[++i]);
|
| 284 |
rval |= fabs(our_prims[0][j]-stdprims[0][j]) > .001;
|
| 285 |
}
|
| 286 |
if (rval) {
|
| 287 |
if (!colorprimsOK(our_prims))
|
| 288 |
error(USER, "illegal primary chromaticities");
|
| 289 |
out_prims = our_prims;
|
| 290 |
} else
|
| 291 |
out_prims = stdprims;
|
| 292 |
out_scalefactor = 1;
|
| 293 |
sens_curve = NULL;
|
| 294 |
} break;
|
| 295 |
case 'Y': /* photopic response */
|
| 296 |
if (argv[i][3])
|
| 297 |
goto badopt;
|
| 298 |
sens_curve = scolor_photopic;
|
| 299 |
out_scalefactor = WHTEFFICACY;
|
| 300 |
break;
|
| 301 |
case 'S': /* scotopic response */
|
| 302 |
if (argv[i][3])
|
| 303 |
goto badopt;
|
| 304 |
out_scalefactor = WHTSCOTOPIC;
|
| 305 |
sens_curve = scolor_scotopic;
|
| 306 |
break;
|
| 307 |
case 'M': /* melanopic response */
|
| 308 |
if (argv[i][3])
|
| 309 |
goto badopt;
|
| 310 |
out_scalefactor = WHTMELANOPIC;
|
| 311 |
sens_curve = scolor_melanopic;
|
| 312 |
break;
|
| 313 |
case 'A': /* radiometric average */
|
| 314 |
if (argv[i][3])
|
| 315 |
goto badopt;
|
| 316 |
out_scalefactor = 1;
|
| 317 |
sens_curve = scolor_mean;
|
| 318 |
break;
|
| 319 |
default:
|
| 320 |
goto badopt;
|
| 321 |
}
|
| 322 |
break;
|
| 323 |
#if MAXCSAMP>3
|
| 324 |
case 'c': /* output spectral results */
|
| 325 |
if (argv[i][2] != 'o')
|
| 326 |
goto badopt;
|
| 327 |
rval = (out_prims == NULL) & (sens_curve == NULL);
|
| 328 |
check_bool(3,rval);
|
| 329 |
if (rval) {
|
| 330 |
out_prims = NULL;
|
| 331 |
sens_curve = NULL;
|
| 332 |
} else if (out_prims == NULL)
|
| 333 |
out_prims = stdprims;
|
| 334 |
break;
|
| 335 |
#endif
|
| 336 |
#ifdef PERSIST
|
| 337 |
case 'P': /* persist file */
|
| 338 |
if (argv[i][2] == 'P') {
|
| 339 |
check(3,"s");
|
| 340 |
persist = PARALLEL;
|
| 341 |
} else {
|
| 342 |
check(2,"s");
|
| 343 |
persist = PERSIST;
|
| 344 |
}
|
| 345 |
persistfile(argv[++i]);
|
| 346 |
break;
|
| 347 |
#endif
|
| 348 |
default:
|
| 349 |
goto badopt;
|
| 350 |
}
|
| 351 |
}
|
| 352 |
/* set/check spectral sampling */
|
| 353 |
rval = setspectrsamp(CNDX, WLPART);
|
| 354 |
if (rval < 0)
|
| 355 |
error(USER, "unsupported spectral sampling");
|
| 356 |
if (sens_curve != NULL)
|
| 357 |
out_prims = NULL;
|
| 358 |
else if (out_prims != NULL) {
|
| 359 |
if (!rval)
|
| 360 |
error(WARNING, "spectral range incompatible with color output");
|
| 361 |
} else if (NCSAMP == 3)
|
| 362 |
out_prims = stdprims; /* 3 samples do not a spectrum make */
|
| 363 |
if (nproc > 1 && persist)
|
| 364 |
error(USER, "multiprocessing incompatible with persist file");
|
| 365 |
/* initialize object types */
|
| 366 |
initotypes();
|
| 367 |
/* initialize urand */
|
| 368 |
reset_random();
|
| 369 |
/* set up signal handling */
|
| 370 |
sigdie(SIGINT, "Interrupt");
|
| 371 |
#ifdef SIGHUP
|
| 372 |
sigdie(SIGHUP, "Hangup");
|
| 373 |
#endif
|
| 374 |
sigdie(SIGTERM, "Terminate");
|
| 375 |
#ifdef SIGPIPE
|
| 376 |
sigdie(SIGPIPE, "Broken pipe");
|
| 377 |
#endif
|
| 378 |
#ifdef SIGALRM
|
| 379 |
sigdie(SIGALRM, "Alarm clock");
|
| 380 |
#endif
|
| 381 |
#ifdef SIGXCPU
|
| 382 |
sigdie(SIGXCPU, "CPU limit exceeded");
|
| 383 |
sigdie(SIGXFSZ, "File size exceeded");
|
| 384 |
#endif
|
| 385 |
/* open error file */
|
| 386 |
if (errfile != NULL) {
|
| 387 |
if (freopen(errfile, "a", stderr) == NULL)
|
| 388 |
quit(2);
|
| 389 |
fprintf(stderr, "**************\n*** PID %5d: ",
|
| 390 |
getpid());
|
| 391 |
printargs(argc, argv, stderr);
|
| 392 |
putc('\n', stderr);
|
| 393 |
fflush(stderr);
|
| 394 |
}
|
| 395 |
#ifdef NICE
|
| 396 |
nice(NICE); /* lower priority */
|
| 397 |
#endif
|
| 398 |
/* get octree */
|
| 399 |
if (i == argc)
|
| 400 |
octnm = NULL;
|
| 401 |
else if (i == argc-1)
|
| 402 |
octnm = argv[i];
|
| 403 |
else
|
| 404 |
goto badopt;
|
| 405 |
if (octnm == NULL)
|
| 406 |
error(USER, "missing octree argument");
|
| 407 |
/* set up output */
|
| 408 |
#ifdef PERSIST
|
| 409 |
if (persist) {
|
| 410 |
duped1 = dup(fileno(stdout)); /* don't lose our output */
|
| 411 |
openheader();
|
| 412 |
}
|
| 413 |
#endif
|
| 414 |
if (outform != 'a')
|
| 415 |
SET_FILE_BINARY(stdout);
|
| 416 |
rval = setrtoutput();
|
| 417 |
octname = savqstr(octnm);
|
| 418 |
readoct(octname, loadflags, &thescene, NULL);
|
| 419 |
nsceneobjs = nobjects;
|
| 420 |
|
| 421 |
if (loadflags & IO_INFO) { /* print header */
|
| 422 |
printargs(i, argv, stdout);
|
| 423 |
printf("SOFTWARE= %s\n", VersionID);
|
| 424 |
fputnow(stdout);
|
| 425 |
if (rval > 0) /* saved from setrtoutput() call */
|
| 426 |
fputncomp(rval, stdout);
|
| 427 |
if (NCSAMP > 3)
|
| 428 |
fputwlsplit(WLPART, stdout);
|
| 429 |
if ((out_prims != stdprims) & (out_prims != NULL))
|
| 430 |
fputprims(out_prims, stdout);
|
| 431 |
if ((outform == 'f') | (outform == 'd'))
|
| 432 |
fputendian(stdout);
|
| 433 |
fputformat(formstr(outform), stdout);
|
| 434 |
fputc('\n', stdout); /* end of header */
|
| 435 |
}
|
| 436 |
|
| 437 |
if (!castonly) { /* any actual ray traversal to do? */
|
| 438 |
|
| 439 |
ray_init_pmap(); /* PMAP: set up & load photon maps */
|
| 440 |
|
| 441 |
marksources(); /* find and mark sources */
|
| 442 |
|
| 443 |
setambient(); /* initialize ambient calculation */
|
| 444 |
} else
|
| 445 |
distantsources(); /* else mark only distant sources */
|
| 446 |
|
| 447 |
fflush(stdout); /* in case we're duplicating header */
|
| 448 |
|
| 449 |
#ifdef PERSIST
|
| 450 |
if (persist) {
|
| 451 |
/* reconnect stdout */
|
| 452 |
dup2(duped1, fileno(stdout));
|
| 453 |
close(duped1);
|
| 454 |
if (persist == PARALLEL) { /* multiprocessing */
|
| 455 |
cow_memshare(); /* preloads scene */
|
| 456 |
while ((rval=fork()) == 0) { /* keep on forkin' */
|
| 457 |
pflock(1);
|
| 458 |
pfhold();
|
| 459 |
ambsync(); /* load new values */
|
| 460 |
}
|
| 461 |
if (rval < 0)
|
| 462 |
error(SYSTEM, "cannot fork child for persist function");
|
| 463 |
pfdetach(); /* parent will run then exit */
|
| 464 |
}
|
| 465 |
}
|
| 466 |
runagain:
|
| 467 |
if (persist)
|
| 468 |
dupheader(); /* send header to stdout */
|
| 469 |
#endif
|
| 470 |
/* trace rays */
|
| 471 |
rtrace(NULL, nproc);
|
| 472 |
/* flush ambient file */
|
| 473 |
ambsync();
|
| 474 |
#ifdef PERSIST
|
| 475 |
if (persist == PERSIST) { /* first run-through */
|
| 476 |
if ((rval=fork()) == 0) { /* child loops until killed */
|
| 477 |
pflock(1);
|
| 478 |
persist = PCHILD;
|
| 479 |
} else { /* original process exits */
|
| 480 |
if (rval < 0)
|
| 481 |
error(SYSTEM, "cannot fork child for persist function");
|
| 482 |
pfdetach(); /* parent exits */
|
| 483 |
}
|
| 484 |
}
|
| 485 |
if (persist == PCHILD) { /* wait for a signal then go again */
|
| 486 |
pfhold();
|
| 487 |
raynum = nrays = 0; /* reinitialize */
|
| 488 |
goto runagain;
|
| 489 |
}
|
| 490 |
#endif
|
| 491 |
|
| 492 |
ray_done_pmap(); /* PMAP: free photon maps */
|
| 493 |
|
| 494 |
quit(0);
|
| 495 |
|
| 496 |
badopt:
|
| 497 |
sprintf(errmsg, "command line error at '%s'", argv[i]);
|
| 498 |
error(USER, errmsg);
|
| 499 |
return 1; /* pro forma return */
|
| 500 |
|
| 501 |
#undef check
|
| 502 |
#undef check_bool
|
| 503 |
}
|
| 504 |
|
| 505 |
|
| 506 |
void
|
| 507 |
wputs( /* warning output function */
|
| 508 |
const char *s
|
| 509 |
)
|
| 510 |
{
|
| 511 |
int lasterrno = errno;
|
| 512 |
if (erract[WARNING].pf == NULL)
|
| 513 |
return; /* called by calcomp or someone */
|
| 514 |
eputs(s);
|
| 515 |
errno = lasterrno;
|
| 516 |
}
|
| 517 |
|
| 518 |
|
| 519 |
void
|
| 520 |
eputs( /* put string to stderr */
|
| 521 |
const char *s
|
| 522 |
)
|
| 523 |
{
|
| 524 |
static int midline = 0;
|
| 525 |
|
| 526 |
if (!*s)
|
| 527 |
return;
|
| 528 |
if (!midline++) {
|
| 529 |
fputs(progname, stderr);
|
| 530 |
fputs(": ", stderr);
|
| 531 |
}
|
| 532 |
fputs(s, stderr);
|
| 533 |
if (s[strlen(s)-1] == '\n') {
|
| 534 |
fflush(stderr);
|
| 535 |
midline = 0;
|
| 536 |
}
|
| 537 |
}
|
| 538 |
|
| 539 |
|
| 540 |
static void
|
| 541 |
onsig( /* fatal signal */
|
| 542 |
int signo
|
| 543 |
)
|
| 544 |
{
|
| 545 |
static int gotsig = 0;
|
| 546 |
|
| 547 |
if (gotsig++) /* two signals and we're gone! */
|
| 548 |
_exit(signo);
|
| 549 |
|
| 550 |
#ifdef SIGALRM
|
| 551 |
alarm(15); /* allow 15 seconds to clean up */
|
| 552 |
signal(SIGALRM, SIG_DFL); /* make certain we do die */
|
| 553 |
#endif
|
| 554 |
eputs("signal - ");
|
| 555 |
eputs(sigerr[signo]);
|
| 556 |
eputs("\n");
|
| 557 |
quit(3);
|
| 558 |
}
|
| 559 |
|
| 560 |
|
| 561 |
static void
|
| 562 |
sigdie( /* set fatal signal */
|
| 563 |
int signo,
|
| 564 |
char *msg
|
| 565 |
)
|
| 566 |
{
|
| 567 |
if (signal(signo, onsig) == SIG_IGN)
|
| 568 |
signal(signo, SIG_IGN);
|
| 569 |
sigerr[signo] = msg;
|
| 570 |
}
|
| 571 |
|
| 572 |
|
| 573 |
static void
|
| 574 |
printdefaults(void) /* print default values to stdout */
|
| 575 |
{
|
| 576 |
char *cp;
|
| 577 |
|
| 578 |
printf(erract[WARNING].pf != NULL ?
|
| 579 |
"-w+\t\t\t\t# warning messages on\n" :
|
| 580 |
"-w-\t\t\t\t# warning messages off\n");
|
| 581 |
if (imm_irrad)
|
| 582 |
printf("-I+\t\t\t\t# immediate irradiance on\n");
|
| 583 |
printf("-n %-2d\t\t\t\t# number of rendering processes\n", nproc);
|
| 584 |
printf("-x %-9d\t\t\t# %s\n", hresolu,
|
| 585 |
vresolu && hresolu ? "x resolution" : "flush interval");
|
| 586 |
printf("-y %-9d\t\t\t# y resolution\n", vresolu);
|
| 587 |
printf(lim_dist ? "-ld+\t\t\t\t# limit distance on\n" :
|
| 588 |
"-ld-\t\t\t\t# limit distance off\n");
|
| 589 |
printf(loadflags & IO_INFO ? "-h+\t\t\t\t# output header\n" :
|
| 590 |
"-h-\t\t\t\t# no header\n");
|
| 591 |
printf("-f%c%c\t\t\t\t# format input/output = %s/%s\n",
|
| 592 |
inform, outform, formstr(inform), formstr(outform));
|
| 593 |
printf("-o%-9s\t\t\t# output", outvals);
|
| 594 |
for (cp = outvals; *cp; cp++)
|
| 595 |
switch (*cp) {
|
| 596 |
case 't': case 'T': printf(" trace"); break;
|
| 597 |
case 'o': printf(" origin"); break;
|
| 598 |
case 'd': printf(" direction"); break;
|
| 599 |
case 'r': printf(" reflect_contrib"); break;
|
| 600 |
case 'R': printf(" reflect_length"); break;
|
| 601 |
case 'x': printf(" unreflect_contrib"); break;
|
| 602 |
case 'X': printf(" unreflect_length"); break;
|
| 603 |
case 'v': printf(" value"); break;
|
| 604 |
case 'V': printf(" contribution"); break;
|
| 605 |
case 'l': printf(" length"); break;
|
| 606 |
case 'L': printf(" first_length"); break;
|
| 607 |
case 'p': printf(" point"); break;
|
| 608 |
case 'n': printf(" normal"); break;
|
| 609 |
case 'N': printf(" unperturbed_normal"); break;
|
| 610 |
case 's': printf(" surface"); break;
|
| 611 |
case 'w': printf(" weight"); break;
|
| 612 |
case 'W': printf(" coefficient"); break;
|
| 613 |
case 'm': printf(" modifier"); break;
|
| 614 |
case 'M': printf(" material"); break;
|
| 615 |
case '~': printf(" tilde"); break;
|
| 616 |
}
|
| 617 |
fputc('\n', stdout);
|
| 618 |
if (sens_curve == scolor_photopic)
|
| 619 |
printf("-pY\t\t\t\t# photopic output\n");
|
| 620 |
else if (sens_curve == scolor_scotopic)
|
| 621 |
printf("-pS\t\t\t\t# scotopic output\n");
|
| 622 |
else if (sens_curve == scolor_melanopic)
|
| 623 |
printf("-pM\t\t\t\t# melanopic output\n");
|
| 624 |
else if (out_prims == stdprims)
|
| 625 |
printf("-pRGB\t\t\t\t# standard RGB color output\n");
|
| 626 |
else if (out_prims == xyzprims)
|
| 627 |
printf("-pXYZ\t\t\t\t# CIE XYZ color output\n");
|
| 628 |
else if (out_prims != NULL)
|
| 629 |
printf("-pc %.4f %.4f %.4f %.4f %.4f %.4f %.4f %.4f\t# output color primaries and white point\n",
|
| 630 |
out_prims[RED][0], out_prims[RED][1],
|
| 631 |
out_prims[GRN][0], out_prims[GRN][1],
|
| 632 |
out_prims[BLU][0], out_prims[BLU][1],
|
| 633 |
out_prims[WHT][0], out_prims[WHT][1]);
|
| 634 |
if ((sens_curve == NULL) & (NCSAMP > 3))
|
| 635 |
printf(out_prims != NULL ? "-co-\t\t\t\t# output tristimulus colors\n" :
|
| 636 |
"-co+\t\t\t\t# output spectral values\n");
|
| 637 |
print_rdefaults();
|
| 638 |
}
|
