/****************************************************************************** * $Id: gdaltransformer.java 0578941578c059ac7eea49cc20d35651ae222072 2009-03-07 21:19:14Z Even Rouault $ * * Name: gdaltransformer.java * Project: GDAL Java Interface * Purpose: A sample app for demonstrating the methods of Transformer class * Author: Even Rouault, * ****************************************************************************** * Copyright (c) 2009, Even Rouault * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. *****************************************************************************/ import org.gdal.gdal.gdal; import org.gdal.gdal.Driver; import org.gdal.gdal.Dataset; import org.gdal.gdal.Transformer; import org.gdal.osr.SpatialReference; import java.util.Vector; public class gdaltransformer { public static void main(String args[]) { gdal.AllRegister(); Driver memDriver = gdal.GetDriverByName("MEM"); Dataset ds1 = memDriver.Create("mem", 100, 100); ds1.SetGeoTransform(new double[] { 2, 0.01, 0, 49, 0, -0.01 }); SpatialReference sr1 = new SpatialReference(); sr1.ImportFromEPSG(4326); Dataset ds2 = memDriver.Create("mem2", 100, 100); ds2.SetGeoTransform(new double[] { 400000, 1000, 0, 5500000, 0, -1000 }); SpatialReference sr2 = new SpatialReference(); sr2.ImportFromEPSG(32631); Vector options = new Vector(); options.add("SRC_SRS=" + sr1.ExportToWkt()); options.add("DST_SRS=" + sr2.ExportToWkt()); Transformer t = new Transformer(ds1, ds2, options); double argout[] = new double[3]; argout[0] = 0; argout[1] = 0; int ret = t.TransformPoint(0, argout); if (ret == 0) throw new RuntimeException(); System.out.println("x=" + argout[0] + " y=" + argout[1]); ret = t.TransformPoint(1, argout); if (ret == 0) throw new RuntimeException(); System.out.println("x=" + argout[0] + " y=" + argout[1]); ret = t.TransformPoint(argout, 0, 0, 0, 0); if (ret == 0) throw new RuntimeException(); System.out.println("x=" + argout[0] + " y=" + argout[1]); ret = t.TransformPoint(argout, 0, 0, 0); if (ret == 0) throw new RuntimeException(); System.out.println("x=" + argout[0] + " y=" + argout[1]); double arrayOfPoints[][] = new double[][] { new double[]{0, 0}, new double[]{100,100} }; ret = t.TransformPoints(0, arrayOfPoints, null); if (ret == 0) throw new RuntimeException(); System.out.println("x=" + arrayOfPoints[0][0] + " y=" + arrayOfPoints[0][1]); System.out.println("x=" + arrayOfPoints[1][0] + " y=" + arrayOfPoints[1][1]); ret = t.TransformPoints(1, arrayOfPoints, null); if (ret == 0) throw new RuntimeException(); System.out.println("x=" + arrayOfPoints[0][0] + " y=" + arrayOfPoints[0][1]); System.out.println("x=" + arrayOfPoints[1][0] + " y=" + arrayOfPoints[1][1]); } }