/****************************************************************************** * $Id$ * * Name: WKT2WKB.java * Project: GDAL Java Interface * Purpose: A sample app for demonstrating the usage of ExportToWkb. * Author: Even Rouault, * * Port from WKT2WKB.cs by Tamas Szekeres * ****************************************************************************** * Copyright (c) 2009, Even Rouault * Copyright (c) 2007, Tamas Szekeres * * 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.ogr.Geometry; /** *

Title: GDAL Java wkt2wkb example.

*

Description: A sample app for demonstrating the usage of ExportToWkb.

* @author Tamas Szekeres (szekerest@gmail.com) * @version 1.0 */ /// /// A Java based sample for demonstrating the usage of ExportToWkb. /// public class WKT2WKB { public static void usage() { System.out.println("usage example: wkt2wkb \"POINT(47.0 19.2)\""); System.exit(-1); } public static void main(String[] args) { if (args.length != 1) usage(); Geometry geom = Geometry.CreateFromWkt(args[0]); long wkbSize = geom.WkbSize(); byte[] wkb = geom.ExportToWkb(); if (wkb.length != wkbSize) { System.exit(-1); } if (wkbSize > 0) { System.out.print( "wkt-->wkb: "); for(int i=0;i0) System.out.print("-"); int val = wkb[i]; if (val < 0) val = 256 + val; String hexVal = Integer.toHexString(val); if (hexVal.length() == 1) System.out.print("0"); System.out.print(hexVal); } System.out.print("\n"); // wkb --> wkt (reverse test) Geometry geom2 = Geometry.CreateFromWkb(wkb); String geom_wkt = geom2.ExportToWkt(); System.out.println( "wkb->wkt: " + geom_wkt ); } // wkt -- gml transformation String gml = geom.ExportToGML(); System.out.println( "wkt->gml: " + gml ); Geometry geom3 = Geometry.CreateFromGML(gml); String geom_wkt2 = geom3.ExportToWkt(); System.out.println( "gml->wkt: " + geom_wkt2 ); } }