DensityRegion Class Reference

#include <volume.h>

Inheritance diagram for DensityRegion:

List of all members.

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

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Detailed Description

Definition at line 65 of file volume.h.

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Constructor & Destructor Documentation

DensityRegion::DensityRegion	(	const Spectrum &	sa,
		const Spectrum &	ss,
		float	gg,
		const Spectrum &	emit,
		const Transform &	VolumeToWorld
	)			[inline]

Definition at line 68 of file volume.h.

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Member Function Documentation

virtual float DensityRegion::Density

(

const Point &

Pobj

)

const [pure virtual]

Implemented in ExponentialDensity, and VolumeGridDensity.

Referenced by Lve(), sigma_a(), sigma_s(), and sigma_t().

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

Implements VolumeRegion.

Definition at line 82 of file volume.h.

References Density(), le, and WorldToVolume.

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

Implements VolumeRegion.

Definition at line 85 of file volume.h.

References g, and PhaseHG().

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

Implements VolumeRegion.

Definition at line 73 of file volume.h.

References Density(), sig_a, and WorldToVolume.

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

Implements VolumeRegion.

Definition at line 76 of file volume.h.

References Density(), sig_s, and WorldToVolume.

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

Reimplemented from VolumeRegion.

Definition at line 79 of file volume.h.

References Density(), sig_a, sig_s, and WorldToVolume.

Referenced by tau().

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

Implements VolumeRegion.

Definition at line 285 of file volume.cpp.

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

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Member Data Documentation

float DensityRegion::g [protected]

Definition at line 92 of file volume.h.

Referenced by p().

Spectrum DensityRegion::le [protected]

Definition at line 91 of file volume.h.

Referenced by Lve().

Spectrum DensityRegion::sig_a [protected]

Definition at line 91 of file volume.h.

Referenced by sigma_a(), and sigma_t().

Spectrum DensityRegion::sig_s [protected]

Definition at line 91 of file volume.h.

Referenced by sigma_s(), and sigma_t().

Transform DensityRegion::WorldToVolume [protected]

Definition at line 93 of file volume.h.

Referenced by VolumeGridDensity::IntersectP(), ExponentialDensity::IntersectP(), Lve(), sigma_a(), sigma_s(), sigma_t(), VolumeGridDensity::WorldBound(), and ExponentialDensity::WorldBound().

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

• volume.h
• volume.cpp