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/*
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==================================================================
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Parameters common to all photon map modules.
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For inclusion in main program.
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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: pmapparm.h,v 1.8 2015/01/29 13:08:38 taschreg Exp taschreg $
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*/
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#ifndef PMAPPARAMS_H
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#define PMAPPARAMS_H
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#include "pmaptype.h"
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/* Struct for passing params per photon map from rpict/rtrace/rvu */
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typedef struct {
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char *fileName; /* Photon map file */
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unsigned minGather, maxGather; /* Num photons to gather */
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unsigned long distribTarget; /* Num photons to store */
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} PhotonMapParams;
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extern PhotonMapParams pmapParams [NUM_PMAP_TYPES];
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/* Macros for type specific photon map parameters */
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#define globalPmapParams (pmapParams [PMAP_TYPE_GLOBAL])
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#define preCompPmapParams (pmapParams [PMAP_TYPE_PRECOMP])
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#define causticPmapParams (pmapParams [PMAP_TYPE_CAUSTIC])
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#define volumePmapParams (pmapParams [PMAP_TYPE_VOLUME])
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#define directPmapParams (pmapParams [PMAP_TYPE_DIRECT])
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#define contribPmapParams (pmapParams [PMAP_TYPE_CONTRIB])
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extern float pdfSamples, preDistrib, finalGather, gatherTolerance,
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maxDistCoeff;
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extern unsigned long photonHeapSizeInc, photonMaxBounce;
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extern unsigned photonRepTime, maxPreDistrib, defaultGather;
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#ifdef PMAP_ROI
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extern float pmapROI [6];
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#endif
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struct PhotonMap;
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int setPmapParam (struct PhotonMap **pm, const PhotonMapParams *parm);
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/* Allocate photon map and set its parameters from parm */
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unsigned long parseMultiplier (const char *num);
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/* Evaluate numeric parameter string with optional multiplier suffix
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(G = 10^9, M = 10^6, K = 10^3). Returns 0 if parsing fails. */
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#endif
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