geometry.h File Reference

#include "pbrt.h"
#include <float.h>

Go to the source code of this file.

Classes
class	Vector
class	Point
class	Normal
class	Ray
class	RayDifferential
class	BBox
Functions
ostream &	operator<< (ostream &os, const Vector &v)
Vector	operator* (float f, const Vector &v)
float	Dot (const Vector &v1, const Vector &v2)
float	AbsDot (const Vector &v1, const Vector &v2)
Vector	Cross (const Vector &v1, const Vector &v2)
Vector	Cross (const Vector &v1, const Normal &v2)
Vector	Cross (const Normal &v1, const Vector &v2)
Vector	Normalize (const Vector &v)
void	CoordinateSystem (const Vector &v1, Vector *v2, Vector *v3)
float	Distance (const Point &p1, const Point &p2)
float	DistanceSquared (const Point &p1, const Point &p2)
ostream &	operator<< (ostream &os, const Point &v)
Point	operator* (float f, const Point &p)
Normal	operator* (float f, const Normal &n)
Normal	Normalize (const Normal &n)
float	Dot (const Normal &n1, const Vector &v2)
float	Dot (const Vector &v1, const Normal &n2)
float	Dot (const Normal &n1, const Normal &n2)
float	AbsDot (const Normal &n1, const Vector &v2)
float	AbsDot (const Vector &v1, const Normal &n2)
float	AbsDot (const Normal &n1, const Normal &n2)
ostream &	operator<< (ostream &os, const Normal &v)
ostream &	operator<< (ostream &os, Ray &r)
ostream &	operator<< (ostream &os, const BBox &b)
Vector	SphericalDirection (float sintheta, float costheta, float phi)
Vector	SphericalDirection (float sintheta, float costheta, float phi, const Vector &x, const Vector &y, const Vector &z)
float	SphericalTheta (const Vector &v)
float	SphericalPhi (const Vector &v)

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Function Documentation

float AbsDot	(	const Normal &	n1,
		const Normal &	n2
	)			[inline]

Definition at line 366 of file geometry.h.

References Normal::x, Normal::y, and Normal::z.

float AbsDot	(	const Vector &	v1,
		const Normal &	n2
	)			[inline]

Definition at line 363 of file geometry.h.

References Normal::x, Vector::x, Normal::y, Vector::y, Normal::z, and Vector::z.

float AbsDot	(	const Normal &	n1,
		const Vector &	v2
	)			[inline]

Definition at line 360 of file geometry.h.

References Vector::x, Normal::x, Vector::y, Normal::y, Vector::z, and Normal::z.

float AbsDot	(	const Vector &	v1,
		const Vector &	v2
	)			[inline]

Definition at line 298 of file geometry.h.

References Dot().

Referenced by EstimateDirect(), BidirIntegrator::evalPath(), FresnelBlend::f(), Microfacet::G(), BidirIntegrator::G(), BidirIntegrator::generatePath(), IrradianceCache::IndirectLo(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), PathIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), BidirIntegrator::Li(), Shape::Pdf(), InfiniteAreaLight::Pdf(), PhotonIntegrator::Preprocess(), IGIIntegrator::Preprocess(), ExPhotonIntegrator::Preprocess(), InfiniteAreaLightIS::Sample_L(), and InfiniteAreaLight::Sample_L().

void CoordinateSystem	(	const Vector &	v1,
		Vector *	v2,
		Vector *	v3
	)			[inline]

Definition at line 319 of file geometry.h.

References Cross(), Vector::Vector(), Vector::x, Vector::y, and Vector::z.

Referenced by CreateLight(), Triangle::Intersect(), ExPhotonIntegrator::Li(), Sphere::Sample(), InfiniteAreaLight::Sample_L(), DistantLight::Sample_L(), and SampleHG().

Vector Cross	(	const Normal &	v1,
		const Vector &	v2
	)			[inline]

Definition at line 311 of file geometry.h.

References Vector::Vector(), Normal::x, Vector::x, Vector::y, Normal::y, Normal::z, and Vector::z.

Vector Cross	(	const Vector &	v1,
		const Normal &	v2
	)			[inline]

Definition at line 306 of file geometry.h.

References Vector::Vector(), Vector::x, Normal::x, Normal::y, Vector::y, Vector::z, and Normal::z.

Vector Cross	(	const Vector &	v1,
		const Vector &	v2
	)			[inline]

Definition at line 301 of file geometry.h.

References Vector::Vector(), Vector::x, Vector::y, and Vector::z.

Referenced by Triangle::Area(), BSDF::BSDF(), Material::Bump(), CoordinateSystem(), CreateShape(), DifferentialGeometry::DifferentialGeometry(), Triangle::GetShadingGeometry(), Triangle::Intersect(), Sphere::Intersect(), Paraboloid::Intersect(), Hyperboloid::Intersect(), Cylinder::Intersect(), Cone::Intersect(), Triangle::IntersectP(), LookAt(), NURBS::Refine(), LoopSubdiv::Refine(), and Triangle::Sample().

float Distance	(	const Point &	p1,
		const Point &	p2
	)			[inline]

Definition at line 330 of file geometry.h.

Referenced by BBox::BoundingSphere(), and HomogeneousVolume::Tau().

float DistanceSquared	(	const Point &	p1,
		const Point &	p2
	)			[inline]

Definition at line 333 of file geometry.h.

Referenced by Octree< IrradianceSample, IrradProcess >::Add(), Octree< NodeData, LookupProc >::addPrivate(), BidirIntegrator::G(), BidirIntegrator::generatePath(), kernel(), IGIIntegrator::Li(), IrradProcess::operator()(), Sphere::Pdf(), Shape::Pdf(), KdTree< NodeData, LookupProc >::privateLookup(), Sphere::Sample(), SpotLight::Sample_L(), ProjectionLight::Sample_L(), PointLight::Sample_L(), and GonioPhotometricLight::Sample_L().

float Dot	(	const Normal &	n1,
		const Normal &	n2
	)			[inline]

Definition at line 357 of file geometry.h.

References Normal::x, Normal::y, and Normal::z.

float Dot	(	const Vector &	v1,
		const Normal &	n2
	)			[inline]

Definition at line 354 of file geometry.h.

References Normal::x, Vector::x, Normal::y, Vector::y, Normal::z, and Vector::z.

float Dot	(	const Normal &	n1,
		const Vector &	v2
	)			[inline]

Definition at line 351 of file geometry.h.

References Vector::x, Normal::x, Vector::y, Normal::y, Vector::z, and Normal::z.

float Dot	(	const Vector &	v1,
		const Vector &	v2
	)			[inline]

Definition at line 295 of file geometry.h.

References Vector::x, Vector::y, and Vector::z.

Referenced by AbsDot(), Material::Bump(), DifferentialGeometry::ComputeDifferentials(), ExponentialDensity::Density(), ExPhotonIntegrator::estimateE(), BSDF::f(), FresnelBlend::f(), Microfacet::f(), IrradianceCache::IndirectLo(), Triangle::Intersect(), Sphere::Intersect(), Paraboloid::Intersect(), Hyperboloid::Intersect(), Cylinder::Intersect(), Cone::Intersect(), Triangle::IntersectP(), AreaLight::L(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), PhotonIntegrator::LPhoton(), ExPhotonIntegrator::LPhoton(), PlanarMapping2D::Map(), IrradProcess::operator()(), RadiancePhotonProcess::operator()(), Anisotropic::Pdf(), Blinn::Pdf(), PhaseHG(), PhaseMieHazy(), PhaseMieMurky(), PhaseRayleigh(), PhaseSchlick(), ExPhotonIntegrator::Preprocess(), BSDF::Sample_f(), Anisotropic::Sample_f(), Blinn::Sample_f(), AreaLight::Sample_L(), and BSDF::WorldToLocal().

Normal Normalize

(

const Normal &

n

)

[inline]

Definition at line 346 of file geometry.h.

References Normal::Length().

Vector Normalize

(

const Vector &

v

)

[inline]

Definition at line 316 of file geometry.h.

References Vector::Length().

Referenced by BSDF::BSDF(), Material::Bump(), CreateLight(), CylindricalMapping2D::cylinder(), DifferentialGeometry::DifferentialGeometry(), DistantLight::DistantLight(), ExponentialDensity::ExponentialDensity(), FresnelBlend::f(), Microfacet::f(), SpotLight::Falloff(), BidirIntegrator::G(), PerspectiveCamera::GenerateRay(), OrthoCamera::GenerateRay(), Triangle::GetShadingGeometry(), Triangle::Intersect(), Sphere::Intersect(), InstancePrimitive::Intersect(), Paraboloid::Intersect(), Hyperboloid::Intersect(), Cylinder::Intersect(), Cone::Intersect(), InfiniteAreaLightIS::Le(), InfiniteAreaLight::Le(), IGIIntegrator::Li(), LookAt(), Anisotropic::Pdf(), Blinn::Pdf(), NURBS::Refine(), Rotate(), Triangle::Sample(), Sphere::Sample(), Disk::Sample(), Cylinder::Sample(), SpotLight::Sample_L(), ProjectionLight::Sample_L(), PointLight::Sample_L(), InfiniteAreaLightIS::Sample_L(), InfiniteAreaLight::Sample_L(), GonioPhotometricLight::Sample_L(), AreaLight::Sample_L(), GonioPhotometricLight::Scale(), and SphericalMapping2D::sphere().

Normal operator*	(	float	f,
		const Normal &	n
	)			[inline]

Definition at line 343 of file geometry.h.

References Normal::x, Normal::y, and Normal::z.

Point operator*	(	float	f,
		const Point &	p
	)			[inline]

Definition at line 340 of file geometry.h.

Vector operator*	(	float	f,
		const Vector &	v
	)			[inline]

Definition at line 292 of file geometry.h.

ostream& operator<<	(	ostream &	os,
		const BBox &	b
	)			[inline]

Definition at line 379 of file geometry.h.

References BBox::pMax, and BBox::pMin.

ostream& operator<<	(	ostream &	os,
		Ray &	r
	)			[inline]

Definition at line 373 of file geometry.h.

References Ray::d, Ray::maxt, Ray::mint, Ray::o, and Ray::time.

ostream& operator<<	(	ostream &	os,
		const Normal &	v
	)			[inline]

Definition at line 369 of file geometry.h.

References Normal::x, Normal::y, and Normal::z.

ostream& operator<<	(	ostream &	os,
		const Point &	v
	)			[inline]

Definition at line 336 of file geometry.h.

References Point::x, Point::y, and Point::z.

ostream& operator<<	(	ostream &	os,
		const Vector &	v
	)			[inline]

Definition at line 288 of file geometry.h.

References Vector::x, Vector::y, and Vector::z.

Vector SphericalDirection	(	float	sintheta,
		float	costheta,
		float	phi,
		const Vector &	x,
		const Vector &	y,
		const Vector &	z
	)			[inline]

Definition at line 389 of file geometry.h.

Vector SphericalDirection	(	float	sintheta,
		float	costheta,
		float	phi
	)			[inline]

Definition at line 383 of file geometry.h.

References Vector::Vector().

Referenced by Anisotropic::Sample_f(), Blinn::Sample_f(), and SampleHG().

float SphericalPhi

(

const Vector &

v

)

[inline]

Definition at line 401 of file geometry.h.

References M_PI, Vector::x, and Vector::y.

Referenced by InfiniteAreaLightIS::Le(), InfiniteAreaLight::Le(), InfiniteAreaLightIS::Pdf(), GonioPhotometricLight::Scale(), and SphericalMapping2D::sphere().

float SphericalTheta

(

const Vector &

v

)

[inline]

Definition at line 398 of file geometry.h.

References Clamp(), and Vector::z.

Referenced by InfiniteAreaLightIS::Le(), InfiniteAreaLight::Le(), InfiniteAreaLightIS::Pdf(), GonioPhotometricLight::Scale(), and SphericalMapping2D::sphere().