/*
* This file is part of JGrasstools (http://www.jgrasstools.org)
* (C) HydroloGIS - www.hydrologis.com
*
* JGrasstools 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 3 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, see <http://www.gnu.org/licenses/>.
*/
package org.jgrasstools.gears.modules;
import static java.lang.Double.NaN;
import java.io.File;
import java.net.URL;
import org.geotools.coverage.grid.GridCoverage2D;
import org.jgrasstools.gears.io.rasterreader.OmsRasterReader;
import org.jgrasstools.gears.utils.HMTestCase;
import org.jgrasstools.gears.utils.HMTestMaps;
/**
* Test {@link OmsRasterReader}.
*
* @author Andrea Antonello (www.hydrologis.com)
*/
public class TestRasterReader extends HMTestCase {
private String arcPath;
private String grassPath;
protected void setUp() throws Exception {
URL testUrl = this.getClass().getClassLoader().getResource("dtm_test.asc");
arcPath = new File(testUrl.toURI()).getAbsolutePath();
testUrl = this.getClass().getClassLoader().getResource("gbovest/testcase/cell/test");
grassPath = new File(testUrl.toURI()).getAbsolutePath();
}
public void testRasterReaderAll() throws Exception {
OmsRasterReader reader = new OmsRasterReader();
reader.file = arcPath;
reader.fileNovalue = -9999.0;
reader.geodataNovalue = Double.NaN;
reader.process();
GridCoverage2D readCoverage = reader.outRaster;
checkMatrixEqual(readCoverage.getRenderedImage(), HMTestMaps.mapData);
reader = new OmsRasterReader();
reader.file = grassPath;
reader.fileNovalue = -9999.0;
reader.geodataNovalue = Double.NaN;
reader.process();
readCoverage = reader.outRaster;
checkMatrixEqual(readCoverage.getRenderedImage(), HMTestMaps.mapData);
}
public void testRasterReaderBoundsOnly() throws Exception {
double[][] mapData = new double[][]{//
{1000, 1000, 1200, 1250, 1300, 1350, 1450}, //
{750, 850, 860, 900, 1000, 1200, 1250}, //
{700, 750, 800, 850, 900, 1000, 1100}, //
{650, 700, 750, 800, 850, 490, 450}, //
{430, 500, 600, 700, 800, 500, 450}, //
{700, 750, 760, 770, 850, 1000, 1150} //
};
double n = 5140020.0;
double s = 5139840.0;
double w = 1640710.0;
double e = 1640920.0;
double xres = 30.0;
double yres = 30.0;
OmsRasterReader reader = new OmsRasterReader();
reader.file = arcPath;
reader.pNorth = n;
reader.pSouth = s;
reader.pWest = w;
reader.pEast = e;
reader.pXres = xres;
reader.pYres = yres;
reader.process();
GridCoverage2D readCoverage = reader.outRaster;
checkMatrixEqual(readCoverage.getRenderedImage(), mapData);
reader = new OmsRasterReader();
reader.file = grassPath;
reader.pNorth = n;
reader.pSouth = s;
reader.pWest = w;
reader.pEast = e;
reader.pXres = xres;
reader.pYres = yres;
reader.process();
readCoverage = reader.outRaster;
checkMatrixEqual(readCoverage.getRenderedImage(), mapData);
}
public void testRasterReaderResOnly() throws Exception {
double[][] mapData1 = new double[][]{//
{NaN, 850.0, 900.0, 1200.0, 1500.0}, //
{410.0, 700.0, 800.0, 490.0, 1500.0}, //
{600.0, 750.0, 770.0, 1000.0, 1500.0}, //
{910.0, 1001.0, 1200.0, 1300.0, 1500.0} //
};
double[][] mapData2 = new double[][]{//
{800.0, 1000.0, 1200.0, 1300.0, 1450.0}, //
{500.0, 700.0, 800.0, 900.0, 1100.0}, //
{450.0, 430.0, 600.0, 800.0, 450.0}, //
{600.0, 750.0, 780.0, 1000.0, 1250.0} //
};
double xres = 60.0;
double yres = 60.0;
OmsRasterReader reader = new OmsRasterReader();
reader.pXres = xres;
reader.pYres = yres;
reader.file = arcPath;
reader.process();
GridCoverage2D readCoverage = reader.outRaster;
checkMatrixEqual(readCoverage.getRenderedImage(), mapData1);
reader = new OmsRasterReader();
reader.pXres = xres;
reader.pYres = yres;
reader.file = grassPath;
reader.process();
readCoverage = reader.outRaster;
checkMatrixEqual(readCoverage.getRenderedImage(), mapData2);
}
public void testRasterReaderBoundsAndRes() throws Exception {
double[][] mapData = new double[][]{//
{1000.0, 1200.0, 1250.0, 1300.0, 1450.0}, //
{700.0, 800.0, 850.0, 900.0, 1100.0}, //
{650.0, 750.0, 800.0, 850.0, 450.0}, //
{700.0, 760.0, 770.0, 850.0, 1150.0} //
};
double n = 5140020.0;
double s = 5139840.0;
double w = 1640710.0;
double e = 1640920.0;
double xres = 45.0;
double yres = 45.0;
OmsRasterReader reader = new OmsRasterReader();
reader.file = arcPath;
reader.pNorth = n;
reader.pSouth = s;
reader.pWest = w;
reader.pEast = e;
reader.pXres = xres;
reader.pYres = yres;
reader.process();
GridCoverage2D readCoverage = reader.outRaster;
checkMatrixEqual(readCoverage.getRenderedImage(), mapData);
reader = new OmsRasterReader();
reader.file = grassPath;
reader.pNorth = n;
reader.pSouth = s;
reader.pWest = w;
reader.pEast = e;
reader.pXres = xres;
reader.pYres = yres;
reader.process();
readCoverage = reader.outRaster;
checkMatrixEqual(readCoverage.getRenderedImage(), mapData);
}
}