imagingbook.pub.noise.perlin

Class PerlinNoiseGen

java.lang.Object

imagingbook.pub.noise.perlin.PerlinNoiseGen

Direct Known Subclasses:

PerlinNoiseGen1d, PerlinNoiseGen2d, PerlinNoiseGenNd

public abstract class PerlinNoiseGen
extends Object

Gradient (Perlin) noise implementation. This is the super-class for all other Perlin noise generators (1D, 2D, N-dimensional).

Field Summary

Fields

Modifier and Type	Field and Description
boolean	VERBOSE

Method Summary

Modifier and Type	Method and Description
double[]	getAmplitudes()
double[]	getFrequencies()
int	getFrequencySteps(double fmin, double fmax) The number of frequency steps, given fmin and fmax.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

VERBOSE

public boolean VERBOSE

Method Detail

getFrequencySteps

public int getFrequencySteps(double fmin,
                             double fmax)

The number of frequency steps, given fmin and fmax.

Parameters:

fmin - min. frequency

fmax - max. frequency

Returns:

number of frequency steps

getFrequencies

public double[] getFrequencies()

Returns:

An array with the frequencies f_i used for generating the noise function.

getAmplitudes

public double[] getAmplitudes()

Returns:

An array with the amplitudes a_i used for generating the noise function.