uk.ac.starlink.ttools.plot2.layer

Class AuxColorKit

java.lang.Object

uk.ac.starlink.ttools.plot2.layer.AuxColorKit

All Implemented Interfaces:

ColorKit

public class AuxColorKit
extends Object
implements ColorKit

Encapsulates information about how to colour data points for Aux-like shading.

Since:

23 Jul 2018

Author:

Mark Taylor

Constructor Summary

Constructors

Constructor and Description
AuxColorKit(int icShade, Shader shader, Scaler scaler, Color baseColor, Color nullColor, float scaleAlpha) Constructor.

Method Summary

Modifier and Type	Method and Description
Color	readColor(Tuple tuple) Acquires a colour appropriate for a given tuple.

Methods inherited from class java.lang.Object

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

Constructor Detail

AuxColorKit

public AuxColorKit(int icShade,
                   Shader shader,
                   Scaler scaler,
                   Color baseColor,
                   Color nullColor,
                   float scaleAlpha)

Constructor.

Parameters:

icShade - column index in tuple sequence at which shade values are found

shader - colour shader

scaler - scales data values to normalised shader range

baseColor - colour to adjust for non-absolute shaders

nullColor - colour to use in case of null aux coordinate; if null, such points are not plotted

scaleAlpha - alpha scaling for output colours; 1 means opaque

Method Detail

readColor

public Color readColor(Tuple tuple)

Description copied from interface: ColorKit

Acquires a colour appropriate for a given tuple.

Specified by:

readColor in interface ColorKit

Parameters:

tuple - tuple

Returns:

plotting colour, or null to omit point