texture.h File Reference

#include "pbrt.h"
#include "spectrum.h"
#include "geometry.h"
#include "transform.h"
#include "memory.h"

Go to the source code of this file.

Classes
class	TextureMapping2D
class	UVMapping2D
class	SphericalMapping2D
class	CylindricalMapping2D
class	PlanarMapping2D
class	TextureMapping3D
class	IdentityMapping3D
class	Texture< T >
Functions
float	Lanczos (float, float tau=2)
float	Noise (float x, float y=.5f, float z=.5f)
float	Noise (const Point &P)
float	FBm (const Point &P, const Vector &dpdx, const Vector &dpdy, float omega, int octaves)
float	Turbulence (const Point &P, const Vector &dpdx, const Vector &dpdy, float omega, int octaves)

---

Function Documentation

float FBm	(	const Point &	P,
		const Vector &	dpdx,
		const Vector &	dpdy,
		float	omega,
		int	octaves
	)

Definition at line 210 of file texture.cpp.

References Floor2Int(), lambda(), Vector::LengthSquared(), Log2(), Noise(), and SmoothStep().

Referenced by WindyTexture< T >::Evaluate(), MarbleTexture::Evaluate(), and FBmTexture< T >::Evaluate().

float Lanczos	(	float	,
		float	tau = 2
	)

Definition at line 253 of file texture.cpp.

References M_PI.

Referenced by MIPMap< RGBSpectrum >::resampleWeights().

float Noise

(

const Point &

P

)

Definition at line 193 of file texture.cpp.

References Noise(), Point::x, Point::y, and Point::z.

float Noise	(	float	x,
		float	y = .5f,
		float	z = .5f
	)

Definition at line 163 of file texture.cpp.

References Floor2Int(), Grad(), Lerp(), NOISE_PERM_SIZE, and NoiseWeight().

Referenced by DotsTexture< T >::Evaluate(), FBm(), Noise(), and Turbulence().

float Turbulence	(	const Point &	P,
		const Vector &	dpdx,
		const Vector &	dpdy,
		float	omega,
		int	octaves
	)

Definition at line 230 of file texture.cpp.

References Floor2Int(), lambda(), Vector::LengthSquared(), Log2(), Noise(), and SmoothStep().

Referenced by WrinkledTexture< T >::Evaluate().