| 42 |
|
char *mat, *obj; |
| 43 |
|
} RadianceDef; |
| 44 |
|
|
| 45 |
– |
|
| 45 |
|
|
| 47 |
– |
/* Colour code is as follows: global = blue |
| 48 |
– |
precomp global = cyan |
| 49 |
– |
caustic = red |
| 50 |
– |
volume = green |
| 51 |
– |
direct = magenta |
| 52 |
– |
contrib = yellow */ |
| 46 |
|
const RadianceDef radDefs [] = { |
| 47 |
< |
{ "void plastic mat.global\n0\n0\n5 0 0 1 0 0\n", |
| 47 |
> |
{ "void plastic mat.global\n0\n0\n5 %f %f %f 0 0\n", |
| 48 |
|
"mat.global sphere obj.global\n0\n0\n4 %g %g %g %g\n" |
| 49 |
|
}, |
| 50 |
< |
{ "void plastic mat.pglobal\n0\n0\n5 0 1 1 0 0\n", |
| 50 |
> |
{ "void plastic mat.pglobal\n0\n0\n5 %f %f %f 0 0\n", |
| 51 |
|
"mat.pglobal sphere obj.global\n0\n0\n4 %g %g %g %g\n" |
| 52 |
|
}, |
| 53 |
< |
{ "void plastic mat.caustic\n0\n0\n5 1 0 0 0 0\n", |
| 53 |
> |
{ "void plastic mat.caustic\n0\n0\n5 %f %f %f 0 0\n", |
| 54 |
|
"mat.caustic sphere obj.caustic\n0\n0\n4 %g %g %g %g\n" |
| 55 |
|
}, |
| 56 |
< |
{ "void plastic mat.volume\n0\n0\n5 0 1 0 0 0\n", |
| 56 |
> |
{ "void plastic mat.volume\n0\n0\n5 %f %f %f 0 0\n", |
| 57 |
|
"mat.volume sphere obj.volume\n0\n0\n4 %g %g %g %g\n" |
| 58 |
|
}, |
| 59 |
< |
{ "void plastic mat.direct\n0\n0\n5 1 0 1 0 0\n", |
| 59 |
> |
{ "void plastic mat.direct\n0\n0\n5 %f %f %f 0 0\n", |
| 60 |
|
"mat.direct sphere obj.direct\n0\n0\n4 %g %g %g %g\n" |
| 61 |
|
}, |
| 62 |
< |
{ "void plastic mat.contrib\n0\n0\n5 1 1 0 0 0\n", |
| 62 |
> |
{ "void plastic mat.contrib\n0\n0\n5 %f %f %f 0 0\n", |
| 63 |
|
"mat.contrib sphere obj.contrib\n0\n0\n4 %g %g %g %g\n" |
| 64 |
|
} |
| 65 |
|
}; |
| 66 |
|
|
| 67 |
+ |
/* Default colour codes are as follows: global = blue |
| 68 |
+ |
precomp global = cyan |
| 69 |
+ |
caustic = red |
| 70 |
+ |
volume = green |
| 71 |
+ |
direct = magenta |
| 72 |
+ |
contrib = yellow */ |
| 73 |
+ |
const COLOR colDefs [] = { |
| 74 |
+ |
{0, 0, 1}, {0, 1, 1}, {1, 0, 0}, {0, 1, 0}, {1, 0, 1}, {1, 1, 0} |
| 75 |
+ |
}; |
| 76 |
|
|
| 77 |
|
|
| 78 |
|
int main (int argc, char** argv) |
| 79 |
|
{ |
| 80 |
< |
char format [128]; |
| 81 |
< |
RREAL rad, radScale = RADSCALE, vol, dumpRatio; |
| 82 |
< |
unsigned arg, j, ptype; |
| 80 |
> |
char format [MAXFMTLEN]; |
| 81 |
> |
RREAL rad, radScale = RADSCALE, extent, dumpRatio; |
| 82 |
> |
unsigned arg, j, ptype, dim; |
| 83 |
|
long numSpheres = NSPHERES; |
| 84 |
+ |
COLOR customCol = {0, 0, 0}; |
| 85 |
|
FILE *pmapFile; |
| 86 |
|
PhotonMap pm; |
| 87 |
|
PhotonPrimary pri; |
| 92 |
|
|
| 93 |
|
if (argc < 2) { |
| 94 |
|
puts("Dump photon maps as RADIANCE scene description\n"); |
| 95 |
< |
printf("Usage: %s [-r radscale1] [-n nspheres1] pmap1 " |
| 96 |
< |
"[-r radscale2] [-n nspheres2] pmap2 ...\n", argv [0]); |
| 95 |
> |
printf("Usage: %s " |
| 96 |
> |
"[-r radscale1] [-n nspheres1] [-c rcol1 gcol1 bcol1] pmap1 " |
| 97 |
> |
"[-r radscale2] [-n nspheres2] [-c rcol2 gcol2 bcol2] pmap2 " |
| 98 |
> |
"...\n", argv [0]); |
| 99 |
|
return 1; |
| 100 |
|
} |
| 101 |
|
|
| 113 |
|
error(USER, "invalid number of spheres"); |
| 114 |
|
break; |
| 115 |
|
|
| 116 |
+ |
case 'c': |
| 117 |
+ |
for (j = 0; j < 3; j++) |
| 118 |
+ |
if ((customCol [j] = atof(argv [++arg])) <= 0) |
| 119 |
+ |
error(USER, "invalid RGB colour"); |
| 120 |
+ |
break; |
| 121 |
+ |
|
| 122 |
|
default: |
| 123 |
|
sprintf(errmsg, "unknown option %s", argv [arg]); |
| 124 |
|
error(USER, errmsg); |
| 162 |
|
printargs(argc, argv, stdout); |
| 163 |
|
fputc('\n', stdout); |
| 164 |
|
|
| 165 |
< |
/* Dump material def */ |
| 166 |
< |
fputs(radDefs [ptype].mat, stdout); |
| 165 |
> |
/* Dump material def */ |
| 166 |
> |
if (intens(customCol) > 0) |
| 167 |
> |
printf(radDefs [ptype].mat, |
| 168 |
> |
customCol [0], customCol [1], customCol [2]); |
| 169 |
> |
else |
| 170 |
> |
printf(radDefs [ptype].mat, |
| 171 |
> |
colDefs [ptype][0], colDefs [ptype][1], colDefs [ptype][2]); |
| 172 |
|
fputc('\n', stdout); |
| 173 |
|
|
| 174 |
|
/* Get number of photons */ |
| 188 |
|
for (j = 0; j < 4; j++) |
| 189 |
|
getflt(pmapFile); |
| 190 |
|
|
| 191 |
< |
/* Sphere radius based on avg intersphere dist |
| 192 |
< |
(= sphere distrib density ^-1/3) */ |
| 193 |
< |
vol = (pm.maxPos [0] - pm.minPos [0]) * (pm.maxPos [1] - pm.minPos [1]) * |
| 194 |
< |
(pm.maxPos [2] - pm.minPos [2]); |
| 195 |
< |
rad = radScale * RADCOEFF * pow(vol / numSpheres, 1./3.); |
| 191 |
> |
/* Sphere radius based on avg intersphere dist depending on |
| 192 |
> |
whether the distribution occupies a 1D line (!), a 2D plane, |
| 193 |
> |
or 3D volume (= sphere distrib density ^-1/d, where d is the |
| 194 |
> |
dimensionality of the distribution) */ |
| 195 |
> |
for (j = 0, extent = 1.0, dim = 0; j < 3; j++) { |
| 196 |
> |
rad = pm.maxPos [j] - pm.minPos [j]; |
| 197 |
> |
|
| 198 |
> |
if (rad > FTINY) { |
| 199 |
> |
dim++; |
| 200 |
> |
extent *= rad; |
| 201 |
> |
} |
| 202 |
> |
} |
| 203 |
> |
|
| 204 |
> |
rad = radScale * RADCOEFF * pow(extent / numSpheres, 1./dim); |
| 205 |
|
|
| 206 |
|
/* Photon dump probability to satisfy target sphere count */ |
| 207 |
|
dumpRatio = numSpheres < pm.numPhotons |
| 210 |
|
/* Skip primary rays */ |
| 211 |
|
pm.numPrimary = getint(sizeof(pm.numPrimary), pmapFile); |
| 212 |
|
while (pm.numPrimary-- > 0) { |
| 213 |
< |
getint(sizeof(pri.srcIdx) + sizeof(pri.dir), pmapFile); |
| 213 |
> |
/* Skip source index & incident dir */ |
| 214 |
> |
getint(sizeof(pri.srcIdx), pmapFile); |
| 215 |
> |
#ifdef PMAP_PRIMARYDIR |
| 216 |
> |
/* Skip primary incident dir */ |
| 217 |
> |
getint(sizeof(pri.dir), pmapFile); |
| 218 |
> |
#endif |
| 219 |
> |
#ifdef PMAP_PRIMARYPOS |
| 220 |
> |
/* Skip primary hitpoint */ |
| 221 |
|
for (j = 0; j < 3; j++) |
| 222 |
|
getflt(pmapFile); |
| 223 |
+ |
#endif |
| 224 |
|
} |
| 225 |
|
|
| 226 |
|
#ifdef PMAP_OOC |
| 286 |
|
/* Reset defaults for next dump */ |
| 287 |
|
radScale = RADSCALE; |
| 288 |
|
numSpheres = NSPHERES; |
| 289 |
+ |
customCol [0] = customCol [1] = customCol [2] = 0; |
| 290 |
|
} |
| 291 |
|
|
| 292 |
|
return 0; |
