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#ifndef lint
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static const char RCSid[] = "$Id: pmapray.c,v 2.8 2024/03/22 16:54:16 greg Exp $";
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#endif
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/*
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==================================================================
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Photon map interface to RADIANCE raycalls
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Roland Schregle (roland.schregle@{hslu.ch, gmail.com})
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(c) Fraunhofer Institute for Solar Energy Systems,
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(c) Lucerne University of Applied Sciences and Arts,
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supported by the Swiss National Science Foundation (SNSF, #147053)
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==================================================================
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$Id: pmapray.c,v 2.8 2024/03/22 16:54:16 greg Exp $
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*/
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#include "ray.h"
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#include "pmapray.h"
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#include "pmap.h"
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void ray_init_pmap ()
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/* Interface to ray_init(); init & load photon maps */
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{
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loadPmaps(photonMaps, pmapParams);
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if (NCSAMP > 3 && photonMapping)
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error(USER, "hyperspectral photon-mapping currently unsupported");
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}
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void ray_done_pmap ()
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/* Interface to ray_done(); free photon maps */
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{
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cleanUpPmaps(photonMaps);
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}
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void ray_save_pmap (RAYPARAMS *rp)
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/* Interface to ray_save(); save photon map params */
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{
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unsigned t;
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for (t = 0; t < NUM_PMAP_TYPES; t++) {
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if (pmapParams [t].fileName)
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rp -> pmapParams [t].fileName = savqstr(pmapParams [t].fileName);
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else rp -> pmapParams [t].fileName = NULL;
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rp -> pmapParams [t].minGather = pmapParams [t].minGather;
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rp -> pmapParams [t].maxGather = pmapParams [t].maxGather;
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rp -> pmapParams [t].distribTarget = pmapParams [t].distribTarget;
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}
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}
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void ray_restore_pmap (RAYPARAMS *rp)
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/* Interface to ray_restore(); restore photon mapping params */
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{
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unsigned t;
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for (t = 0; t < NUM_PMAP_TYPES; t++) {
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pmapParams [t].fileName = rp -> pmapParams [t].fileName;
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pmapParams [t].minGather = rp -> pmapParams [t].minGather;
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pmapParams [t].maxGather = rp -> pmapParams [t].maxGather;
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pmapParams [t].distribTarget = rp -> pmapParams [t].distribTarget;
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}
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}
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void ray_defaults_pmap (RAYPARAMS *rp)
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/* Interface to ray_defaults(); set photon mapping defaults */
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{
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unsigned t;
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for (t = 0; t < NUM_PMAP_TYPES; t++) {
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rp -> pmapParams [t].fileName = NULL;
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rp -> pmapParams [t].minGather = 0;
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rp -> pmapParams [t].maxGather = 0;
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rp -> pmapParams [t].distribTarget = 0;
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}
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}
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