FlowJ
Class FlowJDynamicColor

java.lang.Object
  FlowJ.FlowJDynamicColor

public class FlowJDynamicColor
extends java.lang.Object

This is a class that implements 2D and 3D Dynamic Color Mapping. Dynamic Color Mapping maps flow fields to a 6 basis-color-space with 3 axes. one axis is blue-yellow, another red-green and the third white-black. 3D vectors (speed-orientationxy-orientationz) are mapped to a point on these three axes. with hue and value (intensity) coding for orientation in x,y,z and saturation coding for speed. Copyright (c) 1999-2002, Michael Abramoff. All rights reserved.

Constructor Summary

FlowJDynamicColor()

Method Summary

static void	hue(float[] rgb, double orientation) Transform the 2D orientation of a vector into a hue (in float rgb format [0-1.0]).
static void	map(byte[] rgb, double magnitude, double orientationxy, double orientationz) This method maps a polar 3d vector with orientations and speed (0-1) to a dynamic color in rgb.
static java.awt.Color	map(double speed, double orientationxy, double orientationz)
static void	map2D(byte[] rgb, double magnitude, double orientationxy) This method maps a polar 2d vector with orientation and magnitude (0-1) to a dynamic color in rgb.
static void	map3D(byte[] rgb, double magnitude, double orientationxy, double orientationz) Transform a polar 3D vector (orientationxy in the xy-plane, orientationz along the z axis and normalized magnitude (0-1)), to a dynamic color in rgb (0-255), with hue standing for orientationxy, intensity standing for orientationz and saturation standing for magnitude.

Methods inherited from class java.lang.Object

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

Constructor Detail

FlowJDynamicColor

public FlowJDynamicColor()

Method Detail

map2D

public static void map2D(byte[] rgb,
                         double magnitude,
                         double orientationxy)

This method maps a polar 2d vector with orientation and magnitude (0-1) to a dynamic color in rgb.

map

public static void map(byte[] rgb,
                       double magnitude,
                       double orientationxy,
                       double orientationz)

This method maps a polar 3d vector with orientations and speed (0-1) to a dynamic color in rgb.

map

public static java.awt.Color map(double speed,
                                 double orientationxy,
                                 double orientationz)

map3D

public static void map3D(byte[] rgb,
                         double magnitude,
                         double orientationxy,
                         double orientationz)

Transform a polar 3D vector (orientationxy in the xy-plane, orientationz along the z axis and normalized magnitude (0-1)), to a dynamic color in rgb (0-255), with hue standing for orientationxy, intensity standing for orientationz and saturation standing for magnitude. Limits magnitude.

hue

public static void hue(float[] rgb,
                       double orientation)

Transform the 2D orientation of a vector into a hue (in float rgb format [0-1.0]). This is the central routine of dynamic color mapping.