/*
* 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 java.util.HashMap;
import org.geotools.coverage.grid.GridCoverage2D;
import org.jgrasstools.gears.modules.r.windowsampler.OmsWindowSampler;
import org.jgrasstools.gears.utils.HMTestCase;
import org.jgrasstools.gears.utils.HMTestMaps;
import org.jgrasstools.gears.utils.coverage.CoverageUtilities;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
/**
* Test for {@link OmsWindowSampler}.
*
* @author Andrea Antonello (www.hydrologis.com)
*/
public class TestWindowSampler extends HMTestCase {
public void testWindowSampler() throws Exception {
double[][] inData = HMTestMaps.mapData;
HashMap<String, Double> envelopeParams = HMTestMaps.getEnvelopeparams();
CoordinateReferenceSystem crs = HMTestMaps.getCrs();
GridCoverage2D inCoverage = CoverageUtilities.buildCoverage("data", inData, envelopeParams, crs, true); //$NON-NLS-1$
OmsWindowSampler windowSampler = new OmsWindowSampler();
windowSampler.inGeodata = inCoverage;
windowSampler.pMode = 0;
windowSampler.pCols = 2;
windowSampler.pRows = 2;
windowSampler.process();
GridCoverage2D outGeodata = windowSampler.outGeodata;
double[][] res2x2 = {//
{766.6666666666666, 900.0, 1052.5, 1212.5, 1425.0}, //
{465.0, 700.0, 800.0, 810.0, 1137.5}, //
{525.0, 595.0, 707.5, 787.5, 1150.0}, //
{752.5, 882.75, 980.0, 1162.5, 1425.0}, //
};
checkMatrixEqual(outGeodata.getRenderedImage(), res2x2, 0.000001);
windowSampler = new OmsWindowSampler();
windowSampler.inGeodata = inCoverage;
windowSampler.pMode = 0;
windowSampler.pCols = 3;
windowSampler.pRows = 5;
windowSampler.process();
outGeodata = windowSampler.outGeodata;
double[][] res3x5 = {//
{620.7142857142857, 834.0, 939.3333333333334, 1500.0}, //
{726.6666666666666, 889.0, 1150.0, 1500.0} //
};
checkMatrixEqual(outGeodata.getRenderedImage(), res3x5, 0.000001);
}
}