public void setImage(Image image) {
        this.colorImage = image;
    }
<code>ImageBasedHeightMap</code> 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
@version $id$
jme3-terrain/src/main/java/com/jme3/terrain/heightmap/ImageBasedHeightMap.java