@Override
    @SuppressWarnings("unchecked")
    public AbstractShadowFilter<T> jmeClone() {
        try {
            return (AbstractShadowFilter<T>) super.clone();
        } catch (final CloneNotSupportedException e) {
            throw new RuntimeException(e);
        }
    }
Read the size of each shadow map rendered by this filter.

@return a map's height (which is also its width, in pixels)
jme3-core/src/main/java/com/jme3/shadow/AbstractShadowFilter.java