@Override
 public void setOutside(int x, int y, long[] pixel) {
   image.unsafe_set(colWrap.getIndex(x), rowWrap.getIndex(y), pixel);
 }
 @Override
 public void setImage(InterleavedS64 image) {
   super.setImage(image);
   colWrap.setLength(image.width);
   rowWrap.setLength(image.height);
 }