private RenderableRMIServerProxy createProxy(RemoteRenderableOp rop) {
ParameterBlock oldPB = rop.getParameterBlock();
ParameterBlock newPB = (ParameterBlock)oldPB.clone();
Vector sources = oldPB.getSources();
newPB.removeSources();
// Create a new RenderableOp on the server
ImageServer remoteImage = getImageServer(rop.getServerName());
ImagingListener listener =
ImageUtil.getImagingListener(rop.getRenderingHints());