function data = paeth_rotate(data,theta,antialias)
% function result = paeth_rotate(data,theta)
% $Id: paeth_rotate.m,v 1.1 2002/07/06 17:38:52 tobin Exp $

theta = deg2rad(theta);

alpha = -tan(theta/2),
beta  = sin(theta),
gamma = alpha,

data = xshear(data,alpha,antialias);
data = xshear(data',beta,antialias)';
data = xshear(data,gamma,antialias);







