geometry.h File Reference

#include "pbrt.h"

Go to the source code of this file.

Classes
class	Vector
class	Point
class	Normal
class	Ray
class	RayDifferential
class	BBox
Functions
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)
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)
Normal	Faceforward (const Normal &n, const Vector &v)
Normal	Faceforward (const Normal &n, const Normal &n2)
Vector	Faceforward (const Vector &v, const Vector &v2)
Vector	Faceforward (const Vector &v, const Normal &n2)
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)

---

Function Documentation

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

Definition at line 550 of file geometry.h.

References Assert, Normal::HasNaNs(), Normal::x, Normal::y, and Normal::z.

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

Definition at line 544 of file geometry.h.

References Assert, Normal::HasNaNs(), Vector::HasNaNs(), 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 538 of file geometry.h.

References Assert, Vector::HasNaNs(), Normal::HasNaNs(), 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 438 of file geometry.h.

References Assert, Dot(), and Vector::HasNaNs().

Referenced by EstimateDirect(), FresnelBlend::f(), Microfacet::G(), GeneratePath(), MetropolisRenderer::Lbidir(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), PathIntegrator::Li(), IGIIntegrator::Li(), DipoleSubsurfaceIntegrator::Li(), main(), MetropolisRenderer::PathL(), IrradianceCacheIntegrator::pathL(), Shape::Pdf(), IGIIntegrator::Preprocess(), DipoleSubsurfaceIntegrator::Preprocess(), PhotonShootingTask::Run(), SHComputeDiffuseTransfer(), SpecularReflect(), and SpecularTransmit().

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

Definition at line 475 of file geometry.h.

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

Referenced by CreateSpotLight(), Triangle::GetShadingGeometry(), Triangle::Intersect(), Triangle::IntersectP(), PhotonIntegrator::Li(), Sphere::Sample(), InfiniteAreaLight::Sample_L(), DistantLight::Sample_L(), and SampleHG().

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

Definition at line 464 of file geometry.h.

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

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

Definition at line 454 of file geometry.h.

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

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

Definition at line 444 of file geometry.h.

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

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

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

Definition at line 488 of file geometry.h.

Referenced by BBox::BoundingSphere(), IrradProcess::operator()(), VisibilityTester::SetSegment(), PointLight::SHProject(), and HomogeneousVolumeDensity::tau().

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

Definition at line 493 of file geometry.h.

Referenced by Octree< SurfacePoint >::Add(), Octree< NodeData >::addPrivate(), kernel(), MetropolisRenderer::Lbidir(), IGIIntegrator::Li(), SubsurfaceOctreeNode::Mo(), PoissonCheck::operator()(), Sphere::Pdf(), Shape::Pdf(), KdTree< NodeData >::privateLookup(), Sphere::Sample(), SpotLight::Sample_L(), ProjectionLight::Sample_L(), PointLight::Sample_L(), GonioPhotometricLight::Sample_L(), and PointLight::SHProject().

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

Definition at line 532 of file geometry.h.

References Assert, Normal::HasNaNs(), Normal::x, Normal::y, and Normal::z.

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

Definition at line 526 of file geometry.h.

References Assert, Normal::HasNaNs(), Vector::HasNaNs(), 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 520 of file geometry.h.

References Assert, Vector::HasNaNs(), Normal::HasNaNs(), 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 432 of file geometry.h.

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

Referenced by AbsDot(), DifferentialGeometry::ComputeDifferentials(), ExponentialDensity::Density(), Dot(), EPhoton(), BSDF::f(), RegularHalfangleBRDF::f(), FresnelBlend::f(), Microfacet::f(), Faceforward(), Triangle::Intersect(), Sphere::Intersect(), Paraboloid::Intersect(), Hyperboloid::Intersect(), Cylinder::Intersect(), Cone::Intersect(), Triangle::IntersectP(), DiffuseAreaLight::L(), PhotonIntegrator::Li(), GlossyPRTIntegrator::Li(), AmbientOcclusionIntegrator::Li(), LPhoton(), PlanarMapping2D::Map(), Normalize(), RadiancePhotonProcess::operator()(), IrradProcess::operator()(), Anisotropic::Pdf(), Blinn::Pdf(), PhaseHG(), PhaseMieHazy(), PhaseMieMurky(), PhaseRayleigh(), PhaseSchlick(), DipoleSubsurfaceIntegrator::Preprocess(), Sphere::Sample(), BSDF::Sample_f(), Anisotropic::Sample_f(), Blinn::Sample_f(), DiffuseAreaLight::Sample_L(), SHComputeDiffuseTransfer(), SHProjectCube(), Slerp(), SpecularReflect(), SpecularTransmit(), and BSDF::WorldToLocal().

Vector Faceforward	(	const Vector &	v,
		const Normal &	n2
	)			[inline]

Definition at line 573 of file geometry.h.

References Dot().

Vector Faceforward	(	const Vector &	v,
		const Vector &	v2
	)			[inline]

Definition at line 567 of file geometry.h.

References Dot().

Normal Faceforward	(	const Normal &	n,
		const Normal &	n2
	)			[inline]

Definition at line 561 of file geometry.h.

References Dot().

Normal Faceforward	(	const Normal &	n,
		const Vector &	v
	)			[inline]

Definition at line 556 of file geometry.h.

References Dot().

Referenced by Material::Bump(), IrradianceCacheIntegrator::indirectLo(), UseRadianceProbes::Li(), PhotonIntegrator::Li(), IrradianceCacheIntegrator::Li(), DiffusePRTIntegrator::Li(), AmbientOcclusionIntegrator::Li(), LPhoton(), CreateRadianceProbes::Render(), SurfacePointTask::Run(), and PhotonShootingTask::Run().

Normal Normalize

(

const Normal &

n

)

[inline]

Definition at line 509 of file geometry.h.

References Normal::Length().

Vector Normalize

(

const Vector &

v

)

[inline]

Definition at line 474 of file geometry.h.

References Vector::Length().

Referenced by BSDF::BSDF(), Material::Bump(), CreateSpotLight(), CylindricalMapping2D::cylinder(), DifferentialGeometry::DifferentialGeometry(), DistantLight::DistantLight(), ExponentialDensity::ExponentialDensity(), RegularHalfangleBRDF::f(), FresnelBlend::f(), Microfacet::f(), SpotLight::Falloff(), PerspectiveCamera::GenerateRay(), OrthoCamera::GenerateRay(), PerspectiveCamera::GenerateRayDifferential(), OrthoCamera::GenerateRayDifferential(), Triangle::GetShadingGeometry(), IrradianceCacheIntegrator::indirectLo(), Triangle::Intersect(), Sphere::Intersect(), TransformedPrimitive::Intersect(), Paraboloid::Intersect(), Hyperboloid::Intersect(), Cylinder::Intersect(), Cone::Intersect(), Triangle::IntersectP(), MetropolisRenderer::Lbidir(), InfiniteAreaLight::Le(), IGIIntegrator::Li(), LookAt(), main(), MetropolisRenderer::PathL(), Anisotropic::Pdf(), Blinn::Pdf(), NURBS::Refine(), Rotate(), Triangle::Sample(), Sphere::Sample(), Disk::Sample(), Cylinder::Sample(), SpotLight::Sample_L(), ProjectionLight::Sample_L(), PointLight::Sample_L(), GonioPhotometricLight::Sample_L(), DiffuseAreaLight::Sample_L(), GonioPhotometricLight::Scale(), PointLight::SHProject(), InfiniteAreaLight::SHProject(), SHProjectCube(), Slerp(), and SphericalMapping2D::sphere().

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

Definition at line 504 of file geometry.h.

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

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

Definition at line 498 of file geometry.h.

References Assert, and Point::HasNaNs().

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

Definition at line 431 of file geometry.h.

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

Definition at line 599 of file geometry.h.

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

Definition at line 591 of file geometry.h.

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

float SphericalPhi

(

const Vector &

v

)

[inline]

Definition at line 612 of file geometry.h.

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

Referenced by BRDFRemap(), RegularHalfangleBRDF::f(), InfiniteAreaLight::Le(), InfiniteAreaLight::Pdf(), GonioPhotometricLight::Scale(), and SphericalMapping2D::sphere().

float SphericalTheta

(

const Vector &

v

)

[inline]

Definition at line 607 of file geometry.h.

References Clamp(), and Vector::z.

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