dtUtil::NoiseTexture Class Reference

Noise Texture is a class that uses SeamlessNoise to generate an osg::Image. More...

#include <noisetexture.h>

List of all members.

Public Member Functions
DT_UTIL_EXPORT	NoiseTexture ()
DT_UTIL_EXPORT	NoiseTexture (int octaves, int frequency, double amp, double persistance, int width, int height, int slices=1)
	Constructor: For a more detailed listing of these params see dtUtil::Fracal.
DT_UTIL_EXPORT	~NoiseTexture ()
void	SetOctaves (int o)
	Sets octaves.
void	SetFrequency (int f)
	Sets frequency.
void	SetAmplitude (double a)
	Sets amplitude.
void	SetPersistence (double p)
	sets persistence
void	SetWidth (int w)
	Sets width.
void	SetHeight (int h)
	Sets height.
void	SetSlices (int s)
	Sets slices.
DT_UTIL_EXPORT osg::Image *	MakeNoiseTexture (GLenum format)
	This function creates the texture.
osg::Image *	GetNoiseTexture ()
	If you need a pointer to the texture you'll find it here don't call this if you haven't generated the texture yet!

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Detailed Description

Noise Texture is a class that uses SeamlessNoise to generate an osg::Image.

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Constructor & Destructor Documentation

NoiseTexture::NoiseTexture

(

)

NoiseTexture::NoiseTexture	(	int	octaves,
		int	frequency,
		double	amp,
		double	persistance,
		int	width,
		int	height,
		int	slices = 1
	)

Constructor: For a more detailed listing of these params see dtUtil::Fracal.

Parameters:

	octaves	the number of summations of the noise
	frequency	the frequency of the noise
	amp	the amplitude of the noise
	persistance	the persistance of the noise
	width	A power of 2, specifying the x resolution
	height	A power of 2, specifying the y resolution
	slices	A power of 2, specifying the z resolution, or 1 for 2D textures

See also:

dtUtil::Fractal

NoiseTexture::~NoiseTexture

(

)

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Member Function Documentation

void dtUtil::NoiseTexture::SetOctaves

(

int

o

)

[inline]

Sets octaves.

Parameters:

o

an int greater than 0

void dtUtil::NoiseTexture::SetFrequency

(

int

f

)

[inline]

Sets frequency.

Parameters:

f

an int greater than 0

void dtUtil::NoiseTexture::SetAmplitude

(

double

a

)

[inline]

Sets amplitude.

Parameters:

a

a double greater than 0

void dtUtil::NoiseTexture::SetPersistence

(

double

p

)

[inline]

sets persistence

Parameters:

p

a double from 0-1

void dtUtil::NoiseTexture::SetWidth

(

int

w

)

[inline]

Sets width.

Parameters:

w

texture resolution of x dimension

void dtUtil::NoiseTexture::SetHeight

(

int

h

)

[inline]

Sets height.

Parameters:

h

texture resolution of y dimension

void dtUtil::NoiseTexture::SetSlices

(

int

s

)

[inline]

Sets slices.

Parameters:

s

the number of slices

osg::Image * NoiseTexture::MakeNoiseTexture

(

GLenum

format

)

This function creates the texture.

Parameters:

format

specifies the format of the texture should be used GL_ALPHA (for a transparency map), GL_LUMINANCE, GL_RGB or GL_RGBA

Returns:

returns a pointer to the image

osg::Image* dtUtil::NoiseTexture::GetNoiseTexture

(

)

[inline]

If you need a pointer to the texture you'll find it here don't call this if you haven't generated the texture yet!

Returns:

returns a pointer to the image created

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