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#ifndef lint |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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================================================================== |
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Photon map file I/O |
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Roland Schregle (roland.schregle@{hslu.ch, gmail.com}) |
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(c) Fraunhofer Institute for Solar Energy Systems, |
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Lucerne University of Applied Sciences & Arts |
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(c) Lucerne University of Applied Sciences and Arts, |
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supported by the Swiss National Science Foundation (SNSF, #147053) |
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================================================================== |
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– |
$Id$ |
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*/ |
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void savePhotonMap (const PhotonMap *pmap, const char *fname, |
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PhotonMapType type, int argc, char **argv) |
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int argc, char **argv) |
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{ |
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unsigned long i, j; |
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const Photon* p; |
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FILE* file; |
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if (!pmap || !pmap -> heap || !pmap -> heapSize || |
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!validPmapType(type)) { |
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!validPmapType(pmap -> type)) { |
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error(INTERNAL, "attempt to save empty or invalid photon map"); |
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return; |
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} |
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fprintf(file, "%d primary rays\n", pmap -> primaryEnd + 1); |
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/* Write format */ |
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fputformat((char*)pmapFormat [type], file); |
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fputformat((char*)pmapFormat [pmap -> type], file); |
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fprintf(file, "VERSION=%d\n", PMAP_FILEVER); |
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/* Empty line = end of header */ |
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putint(prim -> srcIdx, sizeof(prim -> srcIdx), file); |
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for (j = 0; j < 3; j++) |
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putflt(prim -> dir [j], file); |
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putint(prim -> dir, sizeof(prim -> dir), file); |
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for (j = 0; j < 3; j++) |
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putflt(prim -> org [j], file); |
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putflt(prim -> pos [j], file); |
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if (ferror(file)) |
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error(SYSTEM, "error writing primary photon rays"); |
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/* Identify photon map type from format string */ |
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for (ptype = 0; |
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strcmp(pmapFormat [ptype], format) && ptype < NUM_PMAP_TYPES; |
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ptype < NUM_PMAP_TYPES && strcmp(pmapFormat [ptype], format); |
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ptype++); |
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if (!validPmapType(ptype)) { |
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prim -> srcIdx = getint(sizeof(prim -> srcIdx), file); |
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for (j = 0; j < 3; j++) |
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prim -> dir [j] = getflt(file); |
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prim -> dir = getint(sizeof(prim -> dir), file); |
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for (j = 0; j < 3; j++) |
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prim -> org [j] = getflt(file); |
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prim -> pos [j] = getflt(file); |
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if (feof(file)) |
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error(SYSTEM, "error reading primary photon rays"); |
