org.dayflower.pathtracer.color.spectralcurve

Class ChromaticSpectralCurve

java.lang.Object

org.dayflower.pathtracer.color.SpectralCurve

org.dayflower.pathtracer.color.spectralcurve.ChromaticSpectralCurve

public final class ChromaticSpectralCurve
extends SpectralCurve

A ChromaticSpectralCurve is an implementation of SpectralCurve that contains chromaticity pairs.

This class is immutable and therefore suitable for concurrent use without external synchronization.

Since:

1.0.0

Author:

Jörgen Lundgren

Constructor Summary

Constructors

Constructor and Description
ChromaticSpectralCurve(float x, float y) Constructs a new ChromaticSpectralCurve instance given the chromaticity pair of x and y.

Method Summary

Modifier and Type	Method and Description
static float[]	getS0XYZ() Returns a float array with the RGB-values of S0XYZ.
static float[]	getS1XYZ() Returns a float array with the RGB-values of S1XYZ.
static float[]	getS2XYZ() Returns a float array with the RGB-values of S2XYZ.
static Color	getXYZ(float x, float y) Returns a CIE XYZ Color given x and y.
float	sample(float lambda) Returns a sample based on the wavelength lambda in nanometers.

Methods inherited from class org.dayflower.pathtracer.color.SpectralCurve

toXYZ

Methods inherited from class java.lang.Object

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

Constructor Detail

ChromaticSpectralCurve

public ChromaticSpectralCurve(float x,
                              float y)

Constructs a new ChromaticSpectralCurve instance given the chromaticity pair of x and y.

Parameters:

x - the X of the chromaticity pair

y - the Y of the chromaticity pair

Method Detail

sample

public float sample(float lambda)

Returns a sample based on the wavelength lambda in nanometers.

Specified by:

sample in class SpectralCurve

Parameters:

lambda - the wavelength in nanometers

Returns:

a sample based on the wavelength lambda in nanometers

getXYZ

public static Color getXYZ(float x,
                           float y)

Returns a CIE XYZ Color given x and y.

Parameters:

x - the X of the chromaticity pair

y - the Y of the chromaticity pair

Returns:

a CIE XYZ Color given x and y

getS0XYZ

public static float[] getS0XYZ()

Returns a float array with the RGB-values of S0XYZ.

Returns:

a float array with the RGB-values of S0XYZ

getS1XYZ

public static float[] getS1XYZ()

Returns a float array with the RGB-values of S1XYZ.

Returns:

a float array with the RGB-values of S1XYZ

getS2XYZ

public static float[] getS2XYZ()

Returns a float array with the RGB-values of S2XYZ.

Returns:

a float array with the RGB-values of S2XYZ