Package org.biojava.nbio.structure.gui.util.color

Class LogColorMapper

java.lang.Object

org.biojava.nbio.structure.gui.util.color.ContinuousColorMapperTransform

org.biojava.nbio.structure.gui.util.color.LogColorMapper

All Implemented Interfaces:

ContinuousColorMapper

public class LogColorMapper
extends ContinuousColorMapperTransform

Performs a log10 transform on input before passing the values off to another colorMapper. For instance, to map [10^0, 10^10] to a rainbow gradient, use new LogColorMapper(GradientMapper.getGradientMapper(GradientMapper.RAINBOW_GRADIENT, 0, 10))

Author:

Spencer Bliven

Field Summary

Fields inherited from class org.biojava.nbio.structure.gui.util.color.ContinuousColorMapperTransform

mapper

Constructor Summary

Constructors

Constructor	Description
LogColorMapper(ContinuousColorMapper logspaceMapper)	Creates a new LogColorMapper with base 10.
LogColorMapper(ContinuousColorMapper logspaceMapper, int base)	If logspaceMapper maps values x1 to x2, this creates a mapper for values base^x1 to base^x2

Method Summary

Modifier and Type	Method	Description
double	transform(double value)	Apply log transform.

Methods inherited from class org.biojava.nbio.structure.gui.util.color.ContinuousColorMapperTransform

getColor

Methods inherited from class java.lang.Object

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

Constructor Details

LogColorMapper

public LogColorMapper(ContinuousColorMapper logspaceMapper)

Creates a new LogColorMapper with base 10.

Parameters:

logspaceMapper -

LogColorMapper

public LogColorMapper(ContinuousColorMapper logspaceMapper,
 int base)

If logspaceMapper maps values x1 to x2, this creates a mapper for values base^x1 to base^x2

Parameters:

logspaceMapper - logspace mapper

base - The base of the logorithm

Method Details

transform

public double transform(double value)

Apply log transform.

Specified by:

transform in class ContinuousColorMapperTransform

Parameters:

value -

Returns:

log_b(value)

See Also:

• ContinuousColorMapperTransform.transform(double)