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RadiancePmap/pmaproi.h
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pmaproi.h
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/*
======================================================================
Regions of interest used by mkpmap to constrain location of photons
Roland Schregle (roland.schregle@{hslu.ch, gmail.com}
(c) Fraunhofer Institute for Solar Energy Systems,
supported by the German Research Foundation
(DFG LU-204/10-2, "Fassadenintegrierte Regelsysteme" (FARESYS))
(c) Lucerne University of Applied Sciences and Arts,
supported by the Swiss National Science Foundation
(SNSF #147053, "Daylight Redirecting Components",
SNSF #179067, "Light Fields for Spatio-Temporal Glare Assessment")
(c) Tokyo University of Science,
supported by the JSPS Grants-in-Aid for Scientific Research
(KAKENHI JP19KK0115, "Three-Dimensional Light Flow")
======================================================================
$Id$
*/
#ifndef _PMAP_ROI_H
#define _PMAP_ROI_H
#include "ray.h"
#define PMAP_MAXROI 32768
#define PMAP_ROI_ISSPHERE(roi) ((roi)->siz[1] <= 0 && (roi)->siz[2] <= 0)
#define PMAP_ROI_SETSPHERE(roi) ((roi)->siz[1] = (roi)->siz[2] = -1)
/* Region of interest defined by geometry */
typedef struct {
/* siz [1], siz [2] <= 0 --> sphere, else rectangle */
float pos [3], siz [3];
} PhotonMapROI;
/* Rectangular / spherical regions of interest */
extern unsigned pmapNumROI;
extern PhotonMapROI *pmapROI;
/* Polyhedral regions of interest by modifier */
extern char *pmapROImodList [];
extern OBJECT polyROIset [];
/* Bounding box for polyhedral ROI */
extern PhotonMapROI polyROIbbox;
void getPolyROIs (char **roiModList);
/* Find geometry of polyhedral regions of interest from modifier list */
int photonInROI (const RAY *photonRay);
/* Returns nonzero if photon defined by photonRay lies in any defined
* region of interest */
#endif
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