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/*
 * Copyright 2009 Michael Bedward
 *
 * This file is part of jai-tools.

 * jai-tools is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.

 * jai-tools is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.

 * You should have received a copy of the GNU Lesser General Public
 * License along with jai-tools.  If not, see .
 *
 */

/*
 * This script creates an image of interference between two sinusoidal
 * functions
 *
 * Author: Michael Bedward
 */

dx = x() / width()
dy = y() / height()
dxy = sqrt((dx-0.5)^2 + (dy-0.5)^2)
result = sin(dx * 100) + sin(dxy * 100)