DensityRegion Class Reference

#include <volume.h>

Inheritance diagram for DensityRegion:

List of all members.

Public Member Functions
	DensityRegion (const Spectrum &sig_a, const Spectrum &sig_s, float g, const Spectrum &Le, const Transform &VolumeToWorld)
virtual float	Density (const Point &Pobj) const =0
Spectrum	sigma_a (const Point &p, const Vector &) const
Spectrum	sigma_s (const Point &p, const Vector &) const
Spectrum	sigma_t (const Point &p, const Vector &) const
Spectrum	Lve (const Point &p, const Vector &) const
float	p (const Point &p, const Vector &w, const Vector &wp) const
Spectrum	Tau (const Ray &r, float stepSize, float offset) const
Protected Attributes
Transform	WorldToVolume
Spectrum	sig_a
Spectrum	sig_s
Spectrum	le
float	g

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Detailed Description

Definition at line 62 of file volume.h.

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Constructor & Destructor Documentation

DensityRegion::DensityRegion	(	const Spectrum &	sig_a,
		const Spectrum &	sig_s,
		float	g,
		const Spectrum &	Le,
		const Transform &	VolumeToWorld
	)

Definition at line 61 of file volume.cpp.

References Transform::GetInverse(), and WorldToVolume.

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Member Function Documentation

virtual float DensityRegion::Density

(

const Point &

Pobj

)

const [pure virtual]

Implemented in ExponentialDensity, and VolumeGrid.

Spectrum DensityRegion::sigma_a	(	const Point &	p,
		const Vector &
	)			const [inline, virtual]

Implements VolumeRegion.

Definition at line 68 of file volume.h.

Referenced by CreateVolumeRegion().

Spectrum DensityRegion::sigma_s	(	const Point &	p,
		const Vector &
	)			const [inline, virtual]

Implements VolumeRegion.

Definition at line 71 of file volume.h.

Referenced by CreateVolumeRegion().

Spectrum DensityRegion::sigma_t	(	const Point &	p,
		const Vector &
	)			const [inline, virtual]

Reimplemented from VolumeRegion.

Definition at line 74 of file volume.h.

Referenced by Tau().

Spectrum DensityRegion::Lve	(	const Point &	p,
		const Vector &
	)			const [inline, virtual]

Implements VolumeRegion.

Definition at line 77 of file volume.h.

float DensityRegion::p	(	const Point &	p,
		const Vector &	w,
		const Vector &	wp
	)			const [inline, virtual]

Implements VolumeRegion.

Definition at line 80 of file volume.h.

References PhaseHG().

Spectrum DensityRegion::Tau	(	const Ray &	r,
		float	stepSize,
		float	offset
	)			const [virtual]

Implements VolumeRegion.

Definition at line 137 of file volume.cpp.

References Ray::d, VolumeRegion::IntersectP(), Vector::Length(), Ray::maxt, Ray::mint, Ray::o, and sigma_t().

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Member Data Documentation

Transform DensityRegion::WorldToVolume [protected]

Definition at line 87 of file volume.h.

Referenced by DensityRegion(), VolumeGrid::IntersectP(), ExponentialDensity::IntersectP(), VolumeGrid::WorldBound(), and ExponentialDensity::WorldBound().

Spectrum DensityRegion::sig_a [protected]

Definition at line 88 of file volume.h.

Spectrum DensityRegion::sig_s [protected]

Definition at line 88 of file volume.h.

Spectrum DensityRegion::le [protected]

Definition at line 88 of file volume.h.

float DensityRegion::g [protected]

Definition at line 89 of file volume.h.

Referenced by CreateVolumeRegion().

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

• volume.h
• volume.cpp