photonmap.cpp File Reference

#include "stdafx.h"
#include "integrators/photonmap.h"
#include "scene.h"
#include "montecarlo.h"
#include "sampler.h"
#include "progressreporter.h"
#include "intersection.h"
#include "paramset.h"
#include "camera.h"

Go to the source code of this file.

Classes
struct	Photon
class	PhotonShootingTask
struct	RadiancePhoton
class	ComputeRadianceTask
struct	PhotonProcess
struct	ClosePhoton
struct	RadiancePhotonProcess
Functions
float	kernel (const Photon *photon, const Point &p, float maxDist2)
static Spectrum	LPhoton (KdTree< Photon > *map, int nPaths, int nLookup, ClosePhoton *lookupBuf, BSDF *bsdf, RNG &rng, const Intersection &isect, const Vector &w, float maxDistSquared)
static Spectrum	EPhoton (KdTree< Photon > *map, int count, int nLookup, ClosePhoton *lookupBuf, float maxDist2, const Point &p, const Normal &n)
bool	unsuccessful (uint32_t needed, uint32_t found, uint32_t shot)
PhotonIntegrator *	CreatePhotonMapSurfaceIntegrator (const ParamSet &params)

---

Function Documentation

PhotonIntegrator* CreatePhotonMapSurfaceIntegrator

(

const ParamSet &

params

)

Definition at line 776 of file photonmap.cpp.

References ParamSet::FindOneBool(), ParamSet::FindOneFloat(), ParamSet::FindOneInt(), PbrtOptions, and Options::quickRender.

Referenced by MakeSurfaceIntegrator().

Spectrum EPhoton	(	KdTree< Photon > *	map,
		int	count,
		int	nLookup,
		ClosePhoton *	lookupBuf,
		float	maxDist2,
		const Point &	p,
		const Normal &	n
	)			[static]

Definition at line 255 of file photonmap.cpp.

References Photon::alpha, Assert, Dot(), KdTree< NodeData >::Lookup(), M_PI, PhotonProcess::nFound, ClosePhoton::photon, and PhotonProcess::photons.

Referenced by ComputeRadianceTask::Run().

float kernel	(	const Photon *	photon,
		const Point &	p,
		float	maxDist2
	)			[inline]

Definition at line 199 of file photonmap.cpp.

References DistanceSquared(), INV_PI, and Photon::p.

Referenced by LPhoton().

Spectrum LPhoton	(	KdTree< Photon > *	map,
		int	nPaths,
		int	nLookup,
		ClosePhoton *	lookupBuf,
		BSDF *	bsdf,
		RNG &	rng,
		const Intersection &	isect,
		const Vector &	w,
		float	maxDistSquared
	)			[static]

Definition at line 206 of file photonmap.cpp.

References Photon::alpha, BSDF_ALL_REFLECTION, BSDF_ALL_TRANSMISSION, BSDF_DIFFUSE, BSDF_GLOSSY, BSDF_REFLECTION, BSDF_TRANSMISSION, Intersection::dg, BSDF::dgShading, Dot(), BSDF::f(), Faceforward(), INV_PI, kernel(), KdTree< NodeData >::Lookup(), PhotonProcess::nFound, PhotonProcess::nLookup, DifferentialGeometry::nn, BSDF::NumComponents(), DifferentialGeometry::p, ClosePhoton::photon, PhotonProcess::photons, BSDF::rho(), and Photon::wi.

Referenced by PhotonIntegrator::Li().

bool unsuccessful	(	uint32_t	needed,
		uint32_t	found,
		uint32_t	shot
	)			[inline]

Definition at line 174 of file photonmap.cpp.

Referenced by PhotonShootingTask::Run().