DifferentialGeometry Struct Reference

#include <diffgeom.h>

List of all members.

Public Member Functions
	DifferentialGeometry ()
	DifferentialGeometry (const Point &P, const Vector &DPDU, const Vector &DPDV, const Normal &DNDU, const Normal &DNDV, float uu, float vv, const Shape *sh)
void	ComputeDifferentials (const RayDifferential &r) const
Public Attributes
Point	p
Normal	nn
float	u
float	v
const Shape *	shape
Vector	dpdu
Vector	dpdv
Normal	dndu
Normal	dndv
Vector	dpdx
Vector	dpdy
float	dudx
float	dvdx
float	dudy
float	dvdy

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Detailed Description

Definition at line 36 of file diffgeom.h.

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Constructor & Destructor Documentation

DifferentialGeometry::DifferentialGeometry

(

)

[inline]

Definition at line 37 of file diffgeom.h.

References shape, u, and v.

DifferentialGeometry::DifferentialGeometry	(	const Point &	P,
		const Vector &	DPDU,
		const Vector &	DPDV,
		const Normal &	DNDU,
		const Normal &	DNDV,
		float	uu,
		float	vv,
		const Shape *	sh
	)

Definition at line 32 of file diffgeom.cpp.

References Cross(), dpdu, dpdv, dudx, dudy, dvdx, dvdy, nn, Normalize(), Shape::ReverseOrientation, shape, Shape::TransformSwapsHandedness, u, and v.

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Member Function Documentation

void DifferentialGeometry::ComputeDifferentials

(

const RayDifferential &

r

)

const

Definition at line 50 of file diffgeom.cpp.

References Dot(), dpdu, dpdv, dpdx, dpdy, dudx, dudy, dvdx, dvdy, RayDifferential::hasDifferentials, nn, p, RayDifferential::rxDirection, RayDifferential::rxOrigin, RayDifferential::ryDirection, RayDifferential::ryOrigin, SolveLinearSystem2x2(), Normal::x, Point::x, Normal::y, Point::y, Normal::z, and Point::z.

Referenced by Intersection::GetBSDF(), and Intersection::GetBSSRDF().

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Member Data Documentation

Normal DifferentialGeometry::dndu

Definition at line 51 of file diffgeom.h.

Referenced by Material::Bump(), TransformedPrimitive::Intersect(), SpecularReflect(), and SpecularTransmit().

Normal DifferentialGeometry::dndv

Definition at line 51 of file diffgeom.h.

Referenced by Material::Bump(), TransformedPrimitive::Intersect(), SpecularReflect(), and SpecularTransmit().

Vector DifferentialGeometry::dpdu

Definition at line 50 of file diffgeom.h.

Referenced by BSDF::BSDF(), Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), Triangle::GetShadingGeometry(), and TransformedPrimitive::Intersect().

Vector DifferentialGeometry::dpdv

Definition at line 50 of file diffgeom.h.

Referenced by Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), and TransformedPrimitive::Intersect().

Vector DifferentialGeometry::dpdx [mutable]

Definition at line 52 of file diffgeom.h.

Referenced by ComputeDifferentials(), Triangle::GetShadingGeometry(), IrradianceCacheIntegrator::Li(), IdentityMapping3D::Map(), PlanarMapping2D::Map(), CylindricalMapping2D::Map(), SphericalMapping2D::Map(), SpecularReflect(), and SpecularTransmit().

Vector DifferentialGeometry::dpdy [mutable]

Definition at line 52 of file diffgeom.h.

Referenced by ComputeDifferentials(), Triangle::GetShadingGeometry(), IrradianceCacheIntegrator::Li(), IdentityMapping3D::Map(), PlanarMapping2D::Map(), CylindricalMapping2D::Map(), SphericalMapping2D::Map(), SpecularReflect(), and SpecularTransmit().

float DifferentialGeometry::dudx [mutable]

Definition at line 53 of file diffgeom.h.

Referenced by Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), Triangle::GetShadingGeometry(), UVMapping2D::Map(), SpecularReflect(), and SpecularTransmit().

float DifferentialGeometry::dudy [mutable]

Definition at line 53 of file diffgeom.h.

Referenced by Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), Triangle::GetShadingGeometry(), UVMapping2D::Map(), SpecularReflect(), and SpecularTransmit().

float DifferentialGeometry::dvdx [mutable]

Definition at line 53 of file diffgeom.h.

Referenced by Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), Triangle::GetShadingGeometry(), UVMapping2D::Map(), SpecularReflect(), and SpecularTransmit().

float DifferentialGeometry::dvdy [mutable]

Definition at line 53 of file diffgeom.h.

Referenced by Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), Triangle::GetShadingGeometry(), UVMapping2D::Map(), SpecularReflect(), and SpecularTransmit().

Normal DifferentialGeometry::nn

Definition at line 47 of file diffgeom.h.

Referenced by BSDF::BSDF(), Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), GeneratePath(), UberMaterial::GetBSDF(), TranslucentMaterial::GetBSDF(), SubsurfaceMaterial::GetBSDF(), SubstrateMaterial::GetBSDF(), PlasticMaterial::GetBSDF(), MirrorMaterial::GetBSDF(), MetalMaterial::GetBSDF(), MeasuredMaterial::GetBSDF(), MatteMaterial::GetBSDF(), KdSubsurfaceMaterial::GetBSDF(), GlassMaterial::GetBSDF(), Triangle::GetShadingGeometry(), TransformedPrimitive::Intersect(), MetropolisRenderer::Lbidir(), Intersection::Le(), WhittedIntegrator::Li(), UseRadianceProbes::Li(), PhotonIntegrator::Li(), PathIntegrator::Li(), IrradianceCacheIntegrator::Li(), IGIIntegrator::Li(), DirectLightingIntegrator::Li(), DipoleSubsurfaceIntegrator::Li(), DiffusePRTIntegrator::Li(), AmbientOcclusionIntegrator::Li(), MetropolisRenderer::Lpath(), LPhoton(), main(), IrradianceCacheIntegrator::pathL(), Shape::Pdf(), IGIIntegrator::Preprocess(), CreateRadianceProbes::Render(), SurfacePointTask::Run(), PhotonShootingTask::Run(), ShapeSet::Sample(), SpecularReflect(), and SpecularTransmit().

Point DifferentialGeometry::p

Definition at line 46 of file diffgeom.h.

Referenced by Material::Bump(), ComputeDifferentials(), GeneratePath(), Triangle::GetShadingGeometry(), TransformedPrimitive::Intersect(), MetropolisRenderer::Lbidir(), Intersection::Le(), WhittedIntegrator::Li(), UseRadianceProbes::Li(), PhotonIntegrator::Li(), PathIntegrator::Li(), IrradianceCacheIntegrator::Li(), IGIIntegrator::Li(), GlossyPRTIntegrator::Li(), DirectLightingIntegrator::Li(), DipoleSubsurfaceIntegrator::Li(), DiffusePRTIntegrator::Li(), AmbientOcclusionIntegrator::Li(), MetropolisRenderer::Lpath(), LPhoton(), IdentityMapping3D::Map(), PlanarMapping2D::Map(), CylindricalMapping2D::Map(), SphericalMapping2D::Map(), IrradianceCacheIntegrator::pathL(), IGIIntegrator::Preprocess(), CreateRadianceProbes::Render(), SurfacePointTask::Run(), PhotonShootingTask::Run(), SpecularReflect(), and SpecularTransmit().

const Shape* DifferentialGeometry::shape

Definition at line 49 of file diffgeom.h.

Referenced by Material::Bump(), DifferentialGeometry(), and Triangle::GetShadingGeometry().

float DifferentialGeometry::u

Definition at line 48 of file diffgeom.h.

Referenced by Material::Bump(), DifferentialGeometry(), Triangle::GetShadingGeometry(), and UVMapping2D::Map().

float DifferentialGeometry::v

Definition at line 48 of file diffgeom.h.

Referenced by Material::Bump(), DifferentialGeometry(), Triangle::GetShadingGeometry(), and UVMapping2D::Map().

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

• diffgeom.h
• diffgeom.cpp