com.jme3.terrain.heightmap

Class ImageBasedHeightMap

java.lang.Object

com.jme3.terrain.heightmap.AbstractHeightMap

com.jme3.terrain.heightmap.ImageBasedHeightMap

All Implemented Interfaces:

HeightMap

public class ImageBasedHeightMap
extends AbstractHeightMap

ImageBasedHeightMap is a height map created from the grayscale conversion of an image. The image used currently must have an equal height and width, although future work could scale an incoming image to a specific height and width.

Author:

Mike Kienenberger

Field Summary

Fields

Modifier and Type	Field and Description
protected com.jme3.texture.Image	colorImage

Fields inherited from class com.jme3.terrain.heightmap.AbstractHeightMap

filter, heightData, heightScale, NORMALIZE_RANGE, size

Constructor Summary

Constructors

Constructor and Description
ImageBasedHeightMap(com.jme3.texture.Image colorImage) Creates a HeightMap from an Image.
ImageBasedHeightMap(com.jme3.texture.Image colorImage, float heightScale)

Method Summary

Modifier and Type	Method and Description
protected float	calculateHeight(com.jme3.math.ColorRGBA color)
protected float	calculateHeight(float red, float green, float blue) Get the grayscale value, or override in your own sub-classes
protected com.jme3.texture.image.ImageRaster	getImageRaster()
boolean	load() Loads the image data from top left to bottom right
boolean	load(boolean flipX, boolean flipY)
void	setImage(com.jme3.texture.Image image)

Methods inherited from class com.jme3.terrain.heightmap.AbstractHeightMap

erodeTerrain, findMinMaxHeights, flatten, getHeightMap, getInterpolatedHeight, getScaledHeightAtPoint, getScaledHeightMap, getSize, getTrueHeightAtPoint, normalizeTerrain, save, setHeightAtPoint, setHeightScale, setMagnificationFilter, setSize, smooth, smooth, unloadHeightMap

Methods inherited from class java.lang.Object

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

Field Detail

colorImage

protected com.jme3.texture.Image colorImage

Constructor Detail

ImageBasedHeightMap

public ImageBasedHeightMap(com.jme3.texture.Image colorImage)

Creates a HeightMap from an Image. The image will be converted to grayscale, and the grayscale values will be used to generate the height map. White is highest point while black is lowest point. Currently, the Image used must be square (width == height), but future work could rescale the image.

Parameters:

colorImage - Image to map to the height map.

ImageBasedHeightMap

public ImageBasedHeightMap(com.jme3.texture.Image colorImage,
                           float heightScale)

Method Detail

setImage

public void setImage(com.jme3.texture.Image image)

load

public boolean load()

Loads the image data from top left to bottom right

Returns:

true if the load was successful, false otherwise.

calculateHeight

protected float calculateHeight(float red,
                                float green,
                                float blue)

Get the grayscale value, or override in your own sub-classes

calculateHeight

protected float calculateHeight(com.jme3.math.ColorRGBA color)

getImageRaster

protected com.jme3.texture.image.ImageRaster getImageRaster()

load

public boolean load(boolean flipX,
                    boolean flipY)