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java.lang.Objectimagescience.color.Wave2Color
public class Wave2Color
Converts wavelengths of light to corresponding RGBA color values. The underlying algorithm is based on the FORTRAN program by Dan Bruton available on his Color Science website and uses piecewise linear models of the sensitivity curves of the components.
Constructor Summary | |
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Wave2Color()
Default constructor. |
Method Summary | |
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java.awt.Color |
color(double wavelen)
Converts a wavelength to its corresponding RGBA color values. |
double[] |
rgba(double wavelen)
Converts a wavelength to its corresponding RGBA color values. |
void |
rgba(double wavelen,
double[] rgba)
Converts a wavelength to its corresponding RGBA color values. |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public Wave2Color()
Method Detail |
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public void rgba(double wavelen, double[] rgba)
wavelen
- The wavelength (in nanometers) to be converted.rgba
- The double
array in which the RGBA values will be stored:[0]
= the value of the red (R) component,[1]
= the value of the green (G) component,[2]
= the value of the blue (B) component,[3]
= the value of the alpha (A) component.[0.0,1.0]
.
java.lang.NullPointerException
- If rgba
is null
.
java.lang.ArrayIndexOutOfBoundsException
- If the length of rgba
is not 4
.public double[] rgba(double wavelen)
wavelen
- The wavelength (in nanometers) to be converted.
double
array with four elements:[0]
= the value of the red (R) component,[1]
= the value of the green (G) component,[2]
= the value of the blue (B) component,[3]
= the value of the alpha (A) component.[0.0,1.0]
.public java.awt.Color color(double wavelen)
wavelen
- The wavelength (in nanometers) to be converted.
Color
object containing the RGBA color values.
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Copyright (C) Erik Meijering. Permission to use this software and corresponding documentation for educational, research, and not-for-profit purposes, without a fee and without a signed licensing agreement, is granted, subject to the following terms and conditions.
IT IS NOT ALLOWED TO REDISTRIBUTE, SELL, OR LEASE THIS SOFTWARE, OR DERIVATIVE WORKS THEREOF, WITHOUT PERMISSION IN WRITING FROM THE COPYRIGHT HOLDER. THE COPYRIGHT HOLDER IS FREE TO MAKE VERSIONS OF THE SOFTWARE AVAILABLE FOR A FEE OR COMMERCIALLY ONLY.
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