DifferentialGeometry Struct Reference

#include <shape.h>

List of all members.

Public Member Functions
	DifferentialGeometry ()
	DifferentialGeometry (const Point &P, const Vector &DPDU, const Vector &DPDV, const Vector &DNDU, const Vector &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 32 of file shape.h.

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Constructor & Destructor Documentation

DifferentialGeometry::DifferentialGeometry

(

)

[inline]

Definition at line 33 of file shape.h.

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

Definition at line 37 of file shape.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 52 of file shape.cpp.

References Ray::d, Dot(), dpdu, dpdv, dpdx, dpdy, dudx, dudy, dvdx, dvdy, RayDifferential::hasDifferentials, nn, Ray::o, p, RayDifferential::rx, RayDifferential::ry, SolveLinearSystem2x2(), Normal::x, Point::x, Normal::y, Point::y, Normal::z, and Point::z.

Referenced by Intersection::GetBSDF().

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Member Data Documentation

Point DifferentialGeometry::p

Definition at line 41 of file shape.h.

Referenced by Material::Bump(), ComputeDifferentials(), Checkerboard3D< T >::Evaluate(), Checkerboard2D< T >::Evaluate(), BidirIntegrator::generatePath(), Triangle::GetShadingGeometry(), IrradianceCache::IndirectLo(), InstancePrimitive::Intersect(), Intersection::Le(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), PathIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), PhotonIntegrator::LPhoton(), ExPhotonIntegrator::LPhoton(), IdentityMapping3D::Map(), PlanarMapping2D::Map(), CylindricalMapping2D::Map(), SphericalMapping2D::Map(), PhotonIntegrator::Preprocess(), and ExPhotonIntegrator::Preprocess().

Normal DifferentialGeometry::nn

Definition at line 42 of file shape.h.

Referenced by BSDF::BSDF(), Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), BidirIntegrator::generatePath(), UberMaterial::GetBSDF(), Translucent::GetBSDF(), Substrate::GetBSDF(), Skin::GetBSDF(), ShinyMetal::GetBSDF(), Primer::GetBSDF(), Plastic::GetBSDF(), Mirror::GetBSDF(), Matte::GetBSDF(), Glass::GetBSDF(), Felt::GetBSDF(), Clay::GetBSDF(), BrushedMetal::GetBSDF(), BluePaint::GetBSDF(), Triangle::GetShadingGeometry(), IrradianceCache::IndirectLo(), InstancePrimitive::Intersect(), Intersection::Le(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), PathIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), DebugIntegrator::Li(), PhotonIntegrator::LPhoton(), ExPhotonIntegrator::LPhoton(), Shape::Pdf(), PhotonIntegrator::Preprocess(), IGIIntegrator::Preprocess(), and ExPhotonIntegrator::Preprocess().

float DifferentialGeometry::u

Definition at line 43 of file shape.h.

Referenced by Material::Bump(), DifferentialGeometry(), Checkerboard3D< T >::Evaluate(), Checkerboard2D< T >::Evaluate(), Triangle::GetShadingGeometry(), DebugIntegrator::Li(), and UVMapping2D::Map().

float DifferentialGeometry::v

Definition at line 43 of file shape.h.

Referenced by Material::Bump(), DifferentialGeometry(), Checkerboard3D< T >::Evaluate(), Checkerboard2D< T >::Evaluate(), Triangle::GetShadingGeometry(), DebugIntegrator::Li(), and UVMapping2D::Map().

const Shape* DifferentialGeometry::shape

Definition at line 44 of file shape.h.

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

Vector DifferentialGeometry::dpdu

Definition at line 45 of file shape.h.

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

Vector DifferentialGeometry::dpdv

Definition at line 45 of file shape.h.

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

Normal DifferentialGeometry::dndu

Definition at line 46 of file shape.h.

Referenced by Material::Bump(), InstancePrimitive::Intersect(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), and DirectLighting::Li().

Normal DifferentialGeometry::dndv

Definition at line 46 of file shape.h.

Referenced by Material::Bump(), InstancePrimitive::Intersect(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), and DirectLighting::Li().

Vector DifferentialGeometry::dpdx [mutable]

Definition at line 47 of file shape.h.

Referenced by ComputeDifferentials(), Checkerboard3D< T >::Evaluate(), Checkerboard2D< T >::Evaluate(), Triangle::GetShadingGeometry(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), IdentityMapping3D::Map(), PlanarMapping2D::Map(), CylindricalMapping2D::Map(), and SphericalMapping2D::Map().

Vector DifferentialGeometry::dpdy [mutable]

Definition at line 47 of file shape.h.

Referenced by ComputeDifferentials(), Checkerboard3D< T >::Evaluate(), Checkerboard2D< T >::Evaluate(), Triangle::GetShadingGeometry(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), IdentityMapping3D::Map(), PlanarMapping2D::Map(), CylindricalMapping2D::Map(), and SphericalMapping2D::Map().

float DifferentialGeometry::dudx [mutable]

Definition at line 48 of file shape.h.

Referenced by Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), Checkerboard3D< T >::Evaluate(), Checkerboard2D< T >::Evaluate(), Triangle::GetShadingGeometry(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), and UVMapping2D::Map().

float DifferentialGeometry::dvdx [mutable]

Definition at line 48 of file shape.h.

Referenced by Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), Checkerboard3D< T >::Evaluate(), Checkerboard2D< T >::Evaluate(), Triangle::GetShadingGeometry(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), and UVMapping2D::Map().

float DifferentialGeometry::dudy [mutable]

Definition at line 48 of file shape.h.

Referenced by Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), Checkerboard3D< T >::Evaluate(), Checkerboard2D< T >::Evaluate(), Triangle::GetShadingGeometry(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), and UVMapping2D::Map().

float DifferentialGeometry::dvdy [mutable]

Definition at line 48 of file shape.h.

Referenced by Material::Bump(), ComputeDifferentials(), DifferentialGeometry(), Checkerboard3D< T >::Evaluate(), Checkerboard2D< T >::Evaluate(), Triangle::GetShadingGeometry(), WhittedIntegrator::Li(), PhotonIntegrator::Li(), IrradianceCache::Li(), IGIIntegrator::Li(), ExPhotonIntegrator::Li(), DirectLighting::Li(), and UVMapping2D::Map().

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

• shape.h
• shape.cpp