Contains a few useful noise functions. More...

Static Public Member Functions
static Float	perlinNoise (const Point &p)
	Evaluate the Perlin noise function at p. More...

static Float	fbm (const Point &p, const Vector &dpdx, const Vector &dpdy, Float omega, int maxOctaves)
	Evaluate a fractional Brownian noise function based on perlinNoise() at p. More...

static Float	turbulence (const Point &p, const Vector &dpdx, const Vector &dpdy, Float omega, int maxOctaves)
	Similar to fbm, but adds first-derivative discontinuities, causing the resulting function to have infinite frequency content. More...

Detailed Description

Contains a few useful noise functions.

The implementations in this class are based on PBRT

Member Function Documentation

static Float mitsuba::Noise::fbm	(	const Point &	p,
		const Vector &	dpdx,
		const Vector &	dpdy,
		Float	omega,
		int	maxOctaves
	)

static

Evaluate a fractional Brownian noise function based on perlinNoise() at p.

Parameters

dpdx	Differential of p with respect to the next horizontal pixel in screen-space.
dpdy	Differential of p with respect to the next vertical pixel in screen-space.
omega	Controls the falloff weights applied to higher-frequency octaves
maxOctaves	Max. number of octaves used in the noise computation

static Float mitsuba::Noise::perlinNoise ( const Point & p )

static

Evaluate the Perlin noise function at p.

static Float mitsuba::Noise::turbulence	(	const Point &	p,
		const Vector &	dpdx,
		const Vector &	dpdy,
		Float	omega,
		int	maxOctaves
	)

static

Similar to fbm, but adds first-derivative discontinuities, causing the resulting function to have infinite frequency content.

Parameters

dpdx	Differential of p with respect to the next horizontal pixel in screen-space.
dpdy	Differential of p with respect to the next vertical pixel in screen-space.
omega	Controls the falloff weights applied to higher-frequency octaves
maxOctaves	Max. number of octaves used in the noise computation

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