Module raytracer

Package org.sunflow.image

Class ChromaticitySpectrum

java.lang.Object

org.sunflow.image.SpectralCurve

org.sunflow.image.ChromaticitySpectrum

All Implemented Interfaces:

Serializable

public final class ChromaticitySpectrum
extends SpectralCurve

This spectral curve represents a given (x,y) chromaticity pair as explained in the sun/sky paper (section A.5)

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ChromaticitySpectrum(float x, float y)

Method Summary

Modifier and Type	Method	Description
static final XYZColor	get(float x, float y)
static final void	get(float x, float y, Tuple3f out)
float	sample(float lambda)	This function determines the actual spectral curve data.

Methods inherited from class org.sunflow.image.SpectralCurve

toXYZ, toXYZ

Methods inherited from class java.lang.Object

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

Constructor Details

ChromaticitySpectrum

public ChromaticitySpectrum(float x,
 float y)

Method Details

sample

public float sample(float lambda)

Description copied from class: SpectralCurve

This function determines the actual spectral curve data. Note that the lambda parameter is assumed to be in nanometers.

Specified by:

sample in class SpectralCurve

Parameters:

lambda - wavelength to sample in nanometers

Returns:

the value of the spectral curve at this point

get

public static final XYZColor get(float x,
 float y)

get

public static final void get(float x,
 float y,
 Tuple3f out)