Application: gvSIG desktop » gvSIG raster

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program 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 General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

package org.gvsig.fmap.dal.coverage.util;

import java.awt.geom.AffineTransform;

import java.awt.geom.NoninvertibleTransformException;

import java.awt.geom.Point2D;

import org.gvsig.fmap.dal.coverage.BaseTestCase;

import org.gvsig.fmap.dal.coverage.RasterLocator;

import org.gvsig.fmap.dal.coverage.datastruct.Extent;

import org.gvsig.raster.impl.datastruct.ExtentImpl;

/**

 * Comprueba la llamada de RasterUtilities calculateAdjustedView con un raster

 * rotado. Le pasar? un extent y este tiene que ser devuelto ajustado a la

 * transformaci?n indicada. Como comprobaci?n se convertir? el resultado a

 * valores pixel y se mirar? que esten entre el rango 0-width, 0-height

 * 

 * @author Nacho Brodin (nachobrodin@gmail.com)

 */

public class TestAdjustExtentToRotateRaster extends BaseTestCase {

        private int w = 870, h = 870;

        public void start() throws Exception {

                this.setUp();

                this.testStack();

        }

        protected void doSetUp() throws Exception {

                System.err.println("TestAdjustExtentToRotateRaster running...");

                try {

                        super.doSetUp();

                } catch (Exception e) {

                        e.printStackTrace();

                }

        }

        public void testStack() {

                AffineTransform at = new AffineTransform(2.4, 0.2, 0.2, -2.4, 644850.0, 4925250.0);

                Extent ext = new ExtentImpl(644823.3, 4925240.5, 644930.5, 4925123.6);

                Extent e = RasterLocator.getManager().getRasterUtils().calculateAdjustedView(ext, at, w, h);

//                System.out.println("-UL=" + e.minX() + " " + e.maxY());

//                System.out.println("-LR=" + e.maxX() + " " + e.minY());

                Point2D ul = new Point2D.Double(e.minX(), e.maxY());

                Point2D lr = new Point2D.Double(e.maxX(), e.minY());

                try {

                        at.inverseTransform(ul, ul);

                        at.inverseTransform(lr, lr);

                } catch (NoninvertibleTransformException exc) {

                        exc.printStackTrace();

                }

//                System.out.println("*UL=" + ul.getX() + " " + ul.getY());

//                System.out.println("*LR=" + lr.getX() + " " + lr.getY());

                if (ul.getX() < 0 || ul.getY() < 0 || lr.getX() < 0 || lr.getY() < 0)

                        assertEquals(0, 1);

                if (ul.getX() >= w || ul.getY() >= h || lr.getX() >= w || lr.getY() >= h)

                        assertEquals(0, 1);

//                System.out.println("-UL=" + e.minX() + " " + e.maxY());

//                System.out.println("-LR=" + e.maxX() + " " + e.minY());

        }

}