PadRable pad = new ConcretePadRable(in, blurArea, PadMode.ZERO_PAD);
// Build filter
Filter filter = null;
filter = new ConcreteGaussianBlurRable(pad,
stdDeviationX,
stdDeviationY);
// Get result attribute if any
String result = filterElement.getAttributeNS(null,ATTR_RESULT);