public void setAnisotropy(int anisotropy) {
        this.anisotropy = anisotropy;
    }
Used to load textures from image files such as JPG or PNG.
Note that texture loaders actually load the asset as an {@link Image}
object, which is then converted to a {@link Texture} in the
{@link TextureProcessor#postProcess(com.jme3.asset.AssetKey, java.lang.Object)}
method. Since textures are cloneable smart assets, the texture stored
in the cache will be collected when all clones of the texture become
unreachable.

@author Kirill Vainer
jme3-core/src/main/java/com/jme3/asset/TextureKey.java