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/*
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==================================================================
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Photon map support for light source contributions
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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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==================================================================
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$Id: pmapcontrib.h,v 4.10 2015/01/29 13:10:29 taschreg Exp taschreg $
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*/
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#ifndef PMAP_CONTRIB_H
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#define PMAP_CONTRIB_H
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#include "pmapdata.h"
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void initPmapContrib (LUTAB *srcContrib, unsigned numSrcContrib);
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/* Set up photon map contributions (interface to rcmain.c) */
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void distribPhotonContrib (PhotonMap *pmap);
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/* Emit photons from light sources with tagged contributions, and
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* build photon map */
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void photonContrib (PhotonMap *pmap, RAY *ray, COLOR irrad);
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/* Accumulate light source contributions in pmap -> srcMods from
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* photons, and return cumulative irradiance from density esimate */
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#endif
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