PathTracing Class Reference

#include <PathTracing.h>

Inheritance diagram for PathTracing:

List of all members.

Public Member Functions
	PathTracing (AutoPtr< LocalReflection > *r=NULL, const Color3f &bg=Color3f(0, 0, 0), Intersector *i=NULL, unsigned d=1, float w=.001, float f=REFR_AIR, unsigned p=1)
virtual void	setDiffuseBRDF (DiffuseBRDF *b)
virtual void	setSpecularBRDF (SpecularBRDF *b)
virtual void	setEmittance (Emittance *e)
virtual void	setScene (Scene *s)
virtual Color3f *	illuminatePoint (PointEnv &)
void	setIntersector (Intersector *i)
Protected Types
enum	RefrDir { REFR_DIR_REFLECTION, REFR_DIR_REFRACTION }
Protected Member Functions
virtual void	_cast_the_ray (PointEnv &, unsigned, bool, Color3f &, const Vector3 &, const Vector3 &)
virtual void	_cast_secondary_rays (PointEnv &, unsigned, bool, Color3f &, MatVisitor &)
void	_check_point_of_intersection (PointEnv &) const
MatVisitor *	_check_material (SceneGraphObject *, bool)
PointEnv *	_cast_ray (const Vector3 &, const Vector3 &)
void	_apply_texture (PointEnv &, Color3f &)
void	_apply_texture (PointEnv &, Vector3 &)
void	_direct_illumination (PointEnv &, MatVisitor &, unsigned, Color3f &)
RefrDir	_refraction_dir (PointEnv &, MatVisitor &, bool, Vector3 &)
void	_reflection_dir (PointEnv &, Vector3 &)
virtual void	_illuminate (PointEnv &, unsigned, bool, Color3f &)
Protected Attributes
unsigned	_photonsPerSurface
AutoPtr< LocalReflection > *	_pAReflection
Color3f	_background
Intersector *	_pIntersector
unsigned	_maxDepth
float	_minRayWeight
float	_defaultMediumRefraction
LocalReflection *	_pLocalReflection
RayIntExplorer	_riExplorer
Texture *	_pTexture
Sgi::hash_map< SceneGraphObject::OID, MatVisitor * >	_matCache
DiffuseBRDF *	_pDiffuseBRDF
SpecularBRDF *	_pSpecularBRDF
Emittance *	_pEmittance
Scene *	_pScene

---

Detailed Description

Definition at line 22 of file PathTracing.h.

---

Member Enumeration Documentation

enum RefrDir [protected, inherited]

Enumerator: REFR_DIR_REFLECTION  REFR_DIR_REFRACTION  Definition at line 48 of file RayTracing.h.

---

Constructor & Destructor Documentation

PathTracing (  AutoPtr< LocalReflection > *  r = NULL, const Color3f &  bg = Color3f(0,0,0), Intersector *  i = NULL, unsigned  d = 1, float  w = .001, float  f = REFR_AIR, unsigned  p = 1 )  [inline]

Definition at line 34 of file PathTracing.h.

---

Member Function Documentation

void _apply_texture (  PointEnv &  , Vector3 &  )  [protected, inherited]

Definition at line 116 of file RayTracing.cc. References RayTracing::_pTexture.

void _apply_texture (  PointEnv &  , Color3f &  )  [protected, inherited]

Definition at line 84 of file RayTracing.cc. References RayTracing::_pTexture. Referenced by RayTracing::_cast_secondary_rays(), and RayTracing::_direct_illumination().

PointEnv * _cast_ray (  const Vector3 &  , const Vector3 &  )  [protected, inherited]

Definition at line 53 of file RayTracing.cc. References RayTracing::_pIntersector, ReflectionModel::_pScene, RayTracing::_riExplorer, and Scene::root(). Referenced by RayTracing::_cast_secondary_rays(), and PathTracing::_cast_the_ray().

void _cast_secondary_rays (  PointEnv &  , unsigned  , bool  , Color3f &  , MatVisitor &  )  [protected, virtual]

Reimplemented from RayTracing. Reimplemented in PhotonMapping. Definition at line 36 of file PathTracing.cc. References PathTracing::_cast_the_ray(), ReflectionModel::_pDiffuseBRDF, PathTracing::_photonsPerSurface, and ReflectionModel::_pSpecularBRDF. Referenced by PhotonTracing::_illuminate(), and Caustics::_illuminate().

void _cast_the_ray (  PointEnv &  , unsigned  , bool  , Color3f &  , const Vector3 &  , const Vector3 &  )  [protected, virtual]

Definition at line 6 of file PathTracing.cc. References RayTracing::_background, RayTracing::_cast_ray(), RayTracing::_illuminate(), and RayTracing::_minRayWeight. Referenced by PathTracing::_cast_secondary_rays(), and PhotonMapping::_sample_specular().

MatVisitor * _check_material (  SceneGraphObject *  , bool  )  [protected, inherited]

Definition at line 28 of file RayTracing.cc. References RayTracing::_matCache, ReflectionModel::_pDiffuseBRDF, RayTracing::_pLocalReflection, ReflectionModel::_pSpecularBRDF, RayTracing::_pTexture, ReflectionModel::setDiffuseBRDF(), ReflectionModel::setEmittance(), and ReflectionModel::setSpecularBRDF(). Referenced by RayTracing::_illuminate(), PhotonTracing::_illuminate(), PhotonMapping::_illuminate(), and Caustics::_illuminate().

void _check_point_of_intersection (  PointEnv &   )  const [protected, inherited]

Definition at line 6 of file RayTracing.cc. Referenced by RayTracing::_illuminate(), PhotonTracing::_illuminate(), PhotonMapping::_illuminate(), and Caustics::_illuminate().

void _direct_illumination (  PointEnv &  , MatVisitor &  , unsigned  , Color3f &  )  [protected, inherited]

Definition at line 148 of file RayTracing.cc. References RayTracing::_apply_texture(), RayTracing::_pLocalReflection, LocalReflection::illuminatePoint(), and LocalReflection::setActBlockingObjCache(). Referenced by RayTracing::_illuminate(), and PhotonMapping::_illuminate().

void _illuminate (  PointEnv &  , unsigned  , bool  , Color3f &  )  [protected, virtual, inherited]

Reimplemented in Caustics, PhotonMapping, and PhotonTracing. Definition at line 294 of file RayTracing.cc. References RayTracing::_cast_secondary_rays(), RayTracing::_check_material(), RayTracing::_check_point_of_intersection(), RayTracing::_direct_illumination(), and RayTracing::_maxDepth. Referenced by RayTracing::_cast_secondary_rays(), PathTracing::_cast_the_ray(), and RayTracing::illuminatePoint().

void _reflection_dir (  PointEnv &  , Vector3 &  )  [protected, inherited]

Definition at line 188 of file RayTracing.cc. Referenced by RayTracing::_cast_secondary_rays(), and PhotonMapping::_sample_specular().

RayTracing::RefrDir _refraction_dir (  PointEnv &  , MatVisitor &  , bool  , Vector3 &  )  [protected, inherited]

Definition at line 164 of file RayTracing.cc. References RayTracing::_defaultMediumRefraction, RayTracing::REFR_DIR_REFLECTION, and RayTracing::REFR_DIR_REFRACTION. Referenced by RayTracing::_cast_secondary_rays(), and PhotonMapping::_sample_specular().

Color3f * illuminatePoint (  PointEnv &   )  [virtual, inherited]

Implements ReflectionModel. Reimplemented in PhotonMapping, and PhotonTracing. Definition at line 335 of file RayTracing.cc. References RayTracing::_illuminate(), ReflectionModel::_pDiffuseBRDF, RayTracing::_pIntersector, RayTracing::_pLocalReflection, ReflectionModel::_pScene, ReflectionModel::_pSpecularBRDF, and Scene::root(). Referenced by PhotonMapping::illuminatePoint().

virtual void setDiffuseBRDF (  DiffuseBRDF *  b  )  [inline, virtual, inherited]

Reimplemented from ReflectionModel. Definition at line 98 of file RayTracing.h. References ReflectionModel::setDiffuseBRDF(). Referenced by PhotonMapShader::distributeEnergy().

virtual void setEmittance (  Emittance *  e  )  [inline, virtual, inherited]

Reimplemented from ReflectionModel. Definition at line 110 of file RayTracing.h. References ReflectionModel::setEmittance().

void setIntersector (  Intersector *  i  )  [inline, inherited]

Definition at line 134 of file RayTracing.h.

virtual void setScene (  Scene *  s  )  [inline, virtual, inherited]

Reimplemented from ReflectionModel. Reimplemented in PhotonMapping. Definition at line 116 of file RayTracing.h. References ReflectionModel::setScene(). Referenced by PhotonMapShader::distributeEnergy(), and PhotonMapping::setScene().

virtual void setSpecularBRDF (  SpecularBRDF *  b  )  [inline, virtual, inherited]

Reimplemented from ReflectionModel. Definition at line 104 of file RayTracing.h. References ReflectionModel::setSpecularBRDF(). Referenced by PhotonMapShader::distributeEnergy().

---

Member Data Documentation

Color3f _background [protected, inherited]

Definition at line 37 of file RayTracing.h. Referenced by RayTracing::_cast_secondary_rays(), and PathTracing::_cast_the_ray().

float _defaultMediumRefraction [protected, inherited]

Definition at line 41 of file RayTracing.h. Referenced by RayTracing::_refraction_dir().

Sgi::hash_map<SceneGraphObject::OID, MatVisitor*> _matCache [protected, inherited]

Definition at line 46 of file RayTracing.h. Referenced by RayTracing::_check_material().

unsigned _maxDepth [protected, inherited]

Definition at line 39 of file RayTracing.h. Referenced by RayTracing::_illuminate(), PhotonTracing::_illuminate(), and Caustics::_illuminate().

float _minRayWeight [protected, inherited]

Definition at line 40 of file RayTracing.h. Referenced by RayTracing::_cast_secondary_rays(), and PathTracing::_cast_the_ray().

AutoPtr<LocalReflection>* _pAReflection [protected, inherited]

Definition at line 36 of file RayTracing.h.

DiffuseBRDF* _pDiffuseBRDF [protected, inherited]

Definition at line 39 of file ReflectionModel.h. Referenced by PathTracing::_cast_secondary_rays(), RayTracing::_check_material(), PhotonMapping::_sample_diffuse(), RayTracing::illuminatePoint(), PhotonTracing::illuminatePoint(), LocalReflection::illuminatePoint(), PhongReflection::PhongReflection(), and PhongReflection::~PhongReflection().

Emittance* _pEmittance [protected, inherited]

Definition at line 41 of file ReflectionModel.h. Referenced by LocalReflection::illuminatePoint().

unsigned _photonsPerSurface [protected]

Definition at line 24 of file PathTracing.h. Referenced by PathTracing::_cast_secondary_rays().

Intersector* _pIntersector [protected, inherited]

Definition at line 38 of file RayTracing.h. Referenced by RayTracing::_cast_ray(), RayTracing::illuminatePoint(), and PhotonTracing::illuminatePoint().

LocalReflection* _pLocalReflection [protected, inherited]

Definition at line 42 of file RayTracing.h. Referenced by RayTracing::_check_material(), RayTracing::_direct_illumination(), and RayTracing::illuminatePoint().

Scene* _pScene [protected, inherited]

Definition at line 42 of file ReflectionModel.h. Referenced by RayTracing::_cast_ray(), LocalReflection::_light_visible(), RayTracing::illuminatePoint(), PhotonTracing::illuminatePoint(), LocalReflection::illuminatePoint(), Radiosity::setScene(), and LocalReflection::setScene().

SpecularBRDF* _pSpecularBRDF [protected, inherited]

Definition at line 40 of file ReflectionModel.h. Referenced by PathTracing::_cast_secondary_rays(), RayTracing::_check_material(), PhotonMapping::_sample_specular(), RayTracing::illuminatePoint(), PhotonTracing::illuminatePoint(), LocalReflection::illuminatePoint(), PhongReflection::PhongReflection(), and PhongReflection::~PhongReflection().

Texture* _pTexture [protected, inherited]

Definition at line 44 of file RayTracing.h. Referenced by RayTracing::_apply_texture(), and RayTracing::_check_material().

RayIntExplorer _riExplorer [protected, inherited]

Definition at line 43 of file RayTracing.h. Referenced by RayTracing::_cast_ray().

---

The documentation for this class was generated from the following files:

• include/gra/reflection/PathTracing.h
• src/PathTracing.cc

---