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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 interface to RADIANCE ambient calculation |
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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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/* Handle precedence in case of multiple photon maps: contrib > caustic */ |
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PhotonMap *pmap = contribPhotonMapping ? contribPmap : causticPmap; |
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/* Get caustic photon density estimate only at primary rays */ |
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if (pmap && !rdepth) { |
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/* Get caustic photon density estimate at primary rays or when |
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* filling in ambient rays that have no global photon map to use */ |
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if (pmap && (!rdepth || !globalPmap & !contribPmap & !preCompPmap)) { |
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/* Temporarily factor ambient value into ray coefficient |
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* (required for contribution photon map) */ |
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copycolor(rcoef, r -> rcoef); |
