public void setHeight(float height){
        this.height = height;
        setLocalScale(width, height, 1f);
    }
Set the height in pixels of the picture, if the height
does not match the texture's height, then the texture will
be scaled to fit the picture.

@param height the height to set.
jme3-core/src/main/java/com/jme3/ui/Picture.java