com.google.maps.android.heatmaps

Class Gradient

java.lang.Object

com.google.maps.android.heatmaps.Gradient

public class Gradient
extends java.lang.Object

A class to generate a color map from a given array of colors and the fractions that the colors represent by interpolating between their HSV values. This color map is to be used in the HeatmapTileProvider.

Field Summary

Fields

Modifier and Type	Field and Description
int	mColorMapSize Size of a color map for the heatmap
int[]	mColors The colors to be used in the gradient
float[]	mStartPoints The starting point for each color, given as a percentage of the maximum intensity

Constructor Summary

Constructors

Constructor and Description
Gradient(int[] colors, float[] startPoints) Creates a Gradient with the given colors and starting points.
Gradient(int[] colors, float[] startPoints, int colorMapSize) Creates a Gradient with the given colors and starting points which creates a colorMap of given size.

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

mColorMapSize

public final int mColorMapSize

Size of a color map for the heatmap

mColors

public int[] mColors

The colors to be used in the gradient

mStartPoints

public float[] mStartPoints

The starting point for each color, given as a percentage of the maximum intensity

Constructor Detail

Gradient

public Gradient(int[] colors,
                float[] startPoints)

Creates a Gradient with the given colors and starting points. These are given as parallel arrays.

Parameters:

colors - The colors to be used in the gradient

startPoints - The starting point for each color, given as a percentage of the maximum intensity This is given as an array of floats with values in the interval [0,1]

Gradient

public Gradient(int[] colors,
                float[] startPoints,
                int colorMapSize)

Creates a Gradient with the given colors and starting points which creates a colorMap of given size. The colors and starting points are given as parallel arrays.

Parameters:

colors - The colors to be used in the gradient

startPoints - The starting point for each color, given as a percentage of the maximum intensity This is given as an array of floats with values in the interval [0,1]

colorMapSize - The size of the colorMap to be generated by the Gradient