root / org.gvsig.projection.jcrs / trunk / org.gvsig.projection.jcrs / org.gvsig.projection.jcrs.lib / src / main / java / org / gvsig / crs / CrsFactory.java @ 822
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2006 Instituto de Desarrollo Regional and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.gvsig.crs; |
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import es.idr.teledeteccion.connection.EpsgConnection; |
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import es.idr.teledeteccion.connection.Query; |
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import es.idr.teledeteccion.connection.epsg.HSQLDataSource; |
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import java.io.File; |
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import java.sql.ResultSet; |
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import java.sql.SQLException; |
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import java.util.TreeMap; |
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import java.util.Vector; |
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import org.apache.commons.lang3.StringUtils; |
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import org.cresques.cts.ICRSFactory; |
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import org.cresques.cts.IProjection; |
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import org.gdal.gdal.gdal; |
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import org.gdal.osr.SpatialReference; |
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import org.gvsig.crs.repository.EpsgRepository; |
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import org.gvsig.crs.repository.EpsgRepositoryGT; |
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import org.gvsig.crs.repository.EsriRepository; |
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import org.gvsig.crs.repository.EsriRepositoryGT; |
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import org.gvsig.crs.repository.ICrsRepository; |
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import org.gvsig.crs.repository.Iau2000Repository; |
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import org.gvsig.crs.repository.Iau2000RepositoryGT; |
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import org.gvsig.crs.repository.NoAuthRepository; |
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import org.gvsig.crs.repository.NoAuthRepositoryGT; |
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import org.gvsig.crs.repository.UsrRepository; |
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import org.gvsig.crs.repository.UsrRepositoryGT; |
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import org.gvsig.tools.dispose.Disposable; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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/**
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* Clase que consigue el CRS a trav?s del c?digo de la EPSG o de
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* la cadena WKT
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*
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* @author Diego Guerrero Sevilla (diego.guerrero@uclm.es)
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* @param <E>
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*
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*/
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public class CrsFactory<E> implements ICRSFactory { |
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private static Logger logger = LoggerFactory.getLogger(CrsFactory.class); |
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static TreeMap data = new TreeMap(); |
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private static File databaseFolder = null; |
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private static File projLibFolder = null; |
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private static boolean enableMemoryCache = true; |
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private static File epsgDatabaseFile = null; |
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public CrsFactory() {
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} |
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/**
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* Obtiene un CRS a partir de su c?digo (p.e. EPSG:23030).
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*
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* @param code
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* @return
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* @throws CrsException
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*/
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public ICrs getCRS(String code) throws CrsException { |
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return getCRS(code,null,null); |
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} |
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public ICrs getCRS(String code, String theSourceParams, String theTargetParams) throws CrsException { |
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String keyOfCache = getKeyOfCache(code,theSourceParams,theTargetParams);
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if (enableMemoryCache && data.containsKey(keyOfCache)) {
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return (ICrs) data.get(keyOfCache);
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} |
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String sourceParams = theSourceParams;
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String targetParams = theTargetParams;
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String crsCode = code;
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ICrs crs = null;
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if ( code.indexOf(":", code.indexOf(":") + 1) >= 0 ) { |
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crsCode = code.substring(0, code.indexOf(":", code.indexOf(":") + 1)); |
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if ( code.indexOf("@") == -1 ) { |
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crsCode = crsCode.substring(0, crsCode.indexOf(",")); |
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} else {
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sourceParams = code.substring(code.indexOf("@") + 1, code.lastIndexOf("@")); |
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targetParams = code.substring(code.lastIndexOf("@") + 1); |
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if ( sourceParams.equals("") ) { |
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sourceParams = null;
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} else if ( targetParams.equals("1") ) { // Compatibilidad con versiones de libJCrs sin soporte para transf. compuestas. |
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targetParams = sourceParams; |
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sourceParams = "";
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} |
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if ( targetParams.equals("") || targetParams.equals("0") ) // Compatibilidad con versiones de libJCrs sin soporte para transf. compuestas. |
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{
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targetParams = null;
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} |
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} |
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} |
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crs = getSimpleCRS(crsCode); |
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if( sourceParams!=null || targetParams!=null ) { |
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crs.setTransformationParams(sourceParams, targetParams); |
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} |
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if( enableMemoryCache ) {
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keyOfCache = getKeyOfCache(crsCode,sourceParams,targetParams); |
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data.put(keyOfCache, crs); |
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} |
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return crs;
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} |
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private String getKeyOfCache(String code, String theSourceParams, String theTargetParams) { |
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String keyOfCache = code;
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if( theSourceParams!=null ) { |
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keyOfCache += ":proj@" + theSourceParams + "@"; |
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if( theTargetParams!=null ) { |
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keyOfCache += theTargetParams; |
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} |
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} |
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return keyOfCache;
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} |
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private ICrs getSimpleCRS(String code) throws CrsException { |
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String repoId = ""; |
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String crsCode = ""; |
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ICrs crs = null;
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ICrsRepository repo = null;
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try {
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repoId = code.substring(0, code.indexOf(":")); |
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crsCode = code.substring(code.indexOf(":") + 1); |
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if ( repoId.equals("EPSG") ) { |
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repo = new EpsgRepositoryGT();
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crs = repo.getCrs(crsCode); |
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if ( crs == null ) { |
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repo = new EpsgRepository();
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crs = repo.getCrs(crsCode); |
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} |
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} else if ( repoId.equals("IAU2000") ) { |
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repo = new Iau2000RepositoryGT();
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crs = repo.getCrs(crsCode); |
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if ( crs == null ) { |
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repo = new Iau2000Repository();
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crs = repo.getCrs(crsCode); |
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} |
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} else if ( repoId.equals("CRS") ) { |
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repo = new NoAuthRepositoryGT();
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crs = repo.getCrs(crsCode); |
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if ( crs == null ) { |
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repo = new NoAuthRepository();
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crs = repo.getCrs(crsCode); |
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} |
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} else if ( repoId.equals("ESRI") ) { |
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repo = new EsriRepositoryGT();
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crs = repo.getCrs(crsCode); |
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if ( crs == null ) { |
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repo = new EsriRepository();
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crs = repo.getCrs(crsCode); |
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} |
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} else if ( repoId.equals("USR") ) { |
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repo = new UsrRepositoryGT();
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crs = repo.getCrs(crsCode); |
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if ( crs == null ) { |
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repo = new UsrRepository();
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crs = repo.getCrs(crsCode); |
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} |
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} |
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if ( crs == null ) { |
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logger.debug("Can't find CRS '" + code + "' in available repositories."); |
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} else {
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logger.debug("Found CRS '" + code + "' in repository '" + |
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(repo == null ? "unknow" : (repo.getClass().getSimpleName())) + "'."); |
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} |
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return crs;
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} finally {
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if( repo instanceof Disposable ) { |
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((Disposable)repo).dispose(); |
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} |
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} |
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} |
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/**
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*
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* @param epsg_code
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* @param code
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* @return
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* @throws CrsException
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*/
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public ICrs getCRS(int epsg_code, String code) throws CrsException { |
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Crs crs = new Crs(epsg_code, code);
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return crs;
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} |
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/**
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*
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* @param epsg_code
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* @param code
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* @param params
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* @return
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* @throws CrsException
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*/
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public ICrs getCRS(int epsg_code, String code, String params) throws CrsException { |
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Crs crs = new Crs(epsg_code, code, params);
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return crs;
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} |
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/**
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*
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*/
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public IProjection get(String name) { |
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try {
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return getCRS(name,null,null); |
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} catch (CrsException e) {
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logger.error("Can't get CRS name '" + name + "'.", e); |
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} |
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return null; |
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} |
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/**
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*
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*/
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public boolean doesRigurousTransformations() { |
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return true; |
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} |
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public static File getDataBaseFolder() { |
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return databaseFolder;
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} |
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public static void setDataBaseFolder(File folder) { |
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databaseFolder = folder; |
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} |
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public static File getProjLibFolder() { |
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return projLibFolder;
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} |
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public static void setProjLibFolder(File folder) { |
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projLibFolder = folder; |
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} |
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public static void setEnableMemoryCacheOfCRS(boolean enableMemoryCache) { |
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CrsFactory.enableMemoryCache = enableMemoryCache; |
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} |
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public static boolean isEnableMemoryCacheOfCRS() { |
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return enableMemoryCache;
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} |
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public static File getEpsgDatabaseFile() { |
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if ( epsgDatabaseFile == null ) { |
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epsgDatabaseFile = new File(getDataBaseFolder(), "EPSG.sql"); |
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} |
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return epsgDatabaseFile;
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} |
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public static void setEpsgDatabaseFile(File databaseFile) { |
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epsgDatabaseFile = databaseFile; |
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if ( !epsgDatabaseFile.isAbsolute() ) {
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epsgDatabaseFile = new File(getDataBaseFolder(), epsgDatabaseFile.getPath()); |
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} |
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} |
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public static void initializeDatabase() { |
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try {
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HSQLDataSource ds = new HSQLDataSource();
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ds.initializeDatabase(); |
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} catch (SQLException ex) { |
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logger.warn("Can't initialize the database.",ex);
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} |
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} |
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public static void initializeDatabaseInbackground() { |
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Thread th = new Thread(new Runnable() { |
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public void run() { |
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CrsFactory.initializeDatabase(); |
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} |
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}, |
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"EPSG-Initialization"
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); |
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th.start(); |
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} |
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public IProjection get(String format, String value) { |
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if (ICRSFactory.FORMAT_WKT_ESRI.equalsIgnoreCase(format)) {
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gdal.SetConfigOption("GDAL_FIX_ESRI_WKT", "NO"); // NO, TOWGS84, DATUM and GEOGCS |
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SpatialReference sr = new SpatialReference();
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Vector<String> vector = new Vector<String>(); |
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vector.add(value); |
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try {
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sr.ImportFromESRI(vector); |
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sr.Fixup(); |
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} catch (Exception e) { |
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logger.debug("Can't import from ESRI WKT.", e);
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return null; |
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} |
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SpatialReference sr2 = getFixedSpatiaReference(sr); |
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if( sr2==null ) { |
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return null; |
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} |
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return new Crs(sr); |
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} else if (ICRSFactory.FORMAT_WKT.equalsIgnoreCase(format)) { |
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SpatialReference sr = getSpatialReferenceFromWKT(value); |
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return new Crs(sr); |
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} else if (ICRSFactory.FORMAT_PROJ4.equalsIgnoreCase(format)) { |
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SpatialReference sr = new SpatialReference();
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sr.ImportFromProj4(value); |
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return new Crs(sr); |
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} |
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return null; |
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} |
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public static SpatialReference getSpatialReferenceFromWKT(String wkt) { |
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SpatialReference sr = new SpatialReference();
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sr.ImportFromWkt(wkt); |
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SpatialReference sr2 = getFixedSpatiaReference(sr); |
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if( sr2==null ) { |
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return sr;
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} |
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return sr2;
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} |
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private static SpatialReference getFixedSpatiaReference(SpatialReference sr) { |
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try {
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sr.AutoIdentifyEPSG(); |
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String authorityCode = sr.GetAuthorityCode(null); |
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if (!StringUtils.isEmpty(authorityCode)) {
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logger.debug("AuthorityCode: " + authorityCode);
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return sr;
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} |
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} catch (Exception e) { |
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logger.debug("Can't AutoIdentifyEPSG.", e);
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} |
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boolean bProj4;
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try {
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@SuppressWarnings("unused") |
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String proj4 = sr.ExportToProj4();
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bProj4 = true;
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} catch (Exception e2) { |
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logger.debug("Can't ExportToProj4.", e2);
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bProj4 = false;
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} |
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int code;
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try {
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code = identifyEPSG(sr, bProj4); |
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if ((code == 0) && (bProj4 == true)) { |
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code = identifyESRI(sr); |
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if (code == -1) { |
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code = identifyEPSG(sr, false);
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if (code == 0) { |
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return null; |
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} |
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} |
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} |
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} catch (SQLException e3) { |
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return null; |
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} |
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SpatialReference sr2 = new SpatialReference();
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try {
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sr2.ImportFromEPSG(code); |
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return sr2;
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} catch (Exception e4) { |
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logger.warn("Can't find the best candidate.", e4);
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return null; |
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} |
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} |
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private static int identifyEPSG(SpatialReference sr, boolean bProj4) throws SQLException { |
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int best_code = 0; |
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int best_dist = 99; |
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int dist = 99; |
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String kind = null; |
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String attr = null; |
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if (sr.IsGeographic() == 1) { |
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kind = "geographic 2D";
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attr = "GEOGCS";
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} else {
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if (sr.IsProjected() == 1) { |
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kind = "projected";
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attr = "PROJCS";
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} |
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} |
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String source_sr_name = sr.GetAttrValue(attr);
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sr.StripCTParms(); |
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EpsgConnection conn = new EpsgConnection();
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conn.setConnectionEPSG(); |
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String sql = "SELECT coord_ref_sys_code FROM EPSG_COORDINATEREFERENCESYSTEM WHERE coord_ref_sys_kind = '" |
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+ kind + "' AND REPLACE(REPLACE(LOWER(coord_ref_sys_name),' / ',' '),'-',' ') LIKE '%"
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+ normalizeESRI(source_sr_name) + "%' AND deprecated = 0";
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logger.debug(sql); |
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ResultSet result = Query.select(sql, conn.getConnection()); |
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|
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while (result.next()) {
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int code = result.getInt("coord_ref_sys_code"); |
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try {
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logger.debug("Trying to match EPSG:{}...", code);
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SpatialReference target_sr = new SpatialReference();
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target_sr.ImportFromEPSG(code); |
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String target_sr_name = target_sr.GetAttrValue(attr);
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target_sr.StripCTParms(); |
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logger.debug("Source SR name: {}", source_sr_name);
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logger.debug("Target SR name: {}", target_sr_name);
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if (bProj4) {
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String source_proj4 = sr.ExportToProj4();
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String target_proj4 = target_sr.ExportToProj4();
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logger.debug("Source proj4: {}", source_proj4);
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logger.debug("Target proj4: {}", target_proj4);
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if (StringUtils.equals(source_proj4, target_proj4)) {
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dist = StringUtils.getLevenshteinDistance(normalizeESRI(source_sr_name), normalizeEPSG(target_sr_name)); |
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if (dist == 0) { |
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logger.debug("EPSG:{} matches!", code);
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return code;
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} |
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} |
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} else {
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dist = StringUtils.getLevenshteinDistance(normalizeESRI(source_sr_name), normalizeEPSG(target_sr_name)); |
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if (dist == 0) { |
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logger.debug("EPSG:{} matches!", code);
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return code;
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} |
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} |
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if (dist < best_dist) {
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best_dist = dist; |
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best_code = code; |
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} |
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} catch (Exception e) { |
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logger.debug("Can't ImportFromEPSG.", e);
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} |
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} |
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if (best_code > 0) { // && best_dist <= 5 |
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logger.debug("EPSG:{} is the best match (Levenshtein Distance = {}).", best_code, best_dist);
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} /*else {
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//best_code = 0;
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logger.debug("No EPSG code matches!");
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}*/
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return best_code;
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} |
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private static int identifyESRI(SpatialReference sr) throws SQLException { |
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|
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int code0 = -1; |
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EpsgConnection conn = new EpsgConnection();
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conn.setConnectionEsri(); |
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|
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String sql = ""; |
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if (sr.IsGeographic() == 1) { |
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sql = "SELECT ESRI_CODE, ESRI_WKT FROM ESRI WHERE ESRI_WKT LIKE 'GEOGCS%'"
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+ " AND ESRI_GEOG LIKE '" + sr.GetAttrValue("GEOGCS") + "'"; |
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} else {
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if (sr.IsProjected() == 1) { |
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sql = "SELECT ESRI_CODE, ESRI_WKT FROM ESRI WHERE ESRI_WKT LIKE 'PROJCS%'"
|
| 484 |
+ " AND ESRI_PROJ LIKE '" + sr.GetAttrValue("PROJCS") + "'"; |
| 485 |
} |
| 486 |
} |
| 487 |
logger.debug(sql); |
| 488 |
|
| 489 |
ResultSet result = Query.select(sql, conn.getConnection()); |
| 490 |
|
| 491 |
while (result.next()) {
|
| 492 |
int code = result.getInt("ESRI_CODE"); |
| 493 |
String wkt = result.getString("ESRI_WKT"); |
| 494 |
logger.debug("Trying to match ESRI:{}...", code);
|
| 495 |
try {
|
| 496 |
SpatialReference target_sr = new SpatialReference();
|
| 497 |
target_sr.ImportFromWkt(wkt); |
| 498 |
target_sr.MorphFromESRI(); |
| 499 |
String source_proj4 = sr.ExportToProj4();
|
| 500 |
String target_proj4 = target_sr.ExportToProj4();
|
| 501 |
if (StringUtils.equals(source_proj4, target_proj4)) {
|
| 502 |
conn.close(); |
| 503 |
logger.debug("ESRI:{} matches!", code);
|
| 504 |
return code;
|
| 505 |
} |
| 506 |
} catch (Exception e) { |
| 507 |
//logger.debug("Can't identify the ESRI code...");
|
| 508 |
} |
| 509 |
} |
| 510 |
|
| 511 |
conn.close(); |
| 512 |
logger.debug("Can't identify the ESRI code...");
|
| 513 |
return code0;
|
| 514 |
} |
| 515 |
|
| 516 |
private static String normalizeESRI(String sr_name) { |
| 517 |
String name;
|
| 518 |
name = StringUtils.replace(sr_name, "GCS_", ""); |
| 519 |
name = StringUtils.replaceChars(name, "()", ""); |
| 520 |
name = StringUtils.replace(name, "WGS_19", "WGS "); // e.g. WGS_1984 --> WGS 84 |
| 521 |
name = StringUtils.replace(name, "_19", ""); // e.g. NAD_1927 --> NAD27 |
| 522 |
name = StringUtils.replace(name, "_20", "20"); // e.g. ITRF_2008 --> ITRF2008 |
| 523 |
name = StringUtils.replace(name, "_Adj_1958", "(58)"); |
| 524 |
name = StringUtils.replace(name, "_Bern", " (Bern)"); |
| 525 |
name = StringUtils.replace(name, "_CGQ77", "(CGQ77)"); |
| 526 |
name = StringUtils.replace(name, "_CORS96", "(CORS96)"); |
| 527 |
name = StringUtils.replace(name, "_CSRS", "(CSRS)"); |
| 528 |
name = StringUtils.replace(name, "_DEF_1976", "(76)"); |
| 529 |
name = StringUtils.replace(name, "_ED77", "(ED77)"); |
| 530 |
name = StringUtils.replace(name, "_HARN", "(HARN)"); |
| 531 |
name = StringUtils.replace(name, "_MA11", "(MA11)"); |
| 532 |
name = StringUtils.replace(name, "_NSRS2007", "(NSRS2007)"); |
| 533 |
name = StringUtils.replace(name, "_PA11", "(PA11)"); |
| 534 |
name = StringUtils.replace(name, "_StatePlane", ""); |
| 535 |
name = StringUtils.replaceAll(name, "(_FIPS_)\\d{4}", ""); |
| 536 |
name = StringUtils.replaceAll(name, "_m$", "(m)"); |
| 537 |
|
| 538 |
name = StringUtils.replace(name, "1870_Madrid", "1870 (Madrid)"); |
| 539 |
name = StringUtils.replace(name, "83_2011", "83(2011)"); // e.g. NAD_1983_2011 --> NAD83(2011) |
| 540 |
name = StringUtils.replaceAll(name, "Feet_Intl$", "(ft)"); |
| 541 |
name = StringUtils.replaceAll(name, "Feet$", "(ftUS)"); |
| 542 |
name = StringUtils.replace(name, "Ferro", "(Ferro)"); |
| 543 |
name = StringUtils.replaceAll(name, "ftUS$", "(ftUS)"); |
| 544 |
name = StringUtils.replaceAll(name, "ft$", "(ft)"); |
| 545 |
name = StringUtils.replace(name, "Hungarian_1972", "HD72"); |
| 546 |
name = StringUtils.replace(name, "Indonesian_1974", "ID74"); |
| 547 |
name = StringUtils.replace(name, "Lisboa", "Lisbon"); |
| 548 |
name = StringUtils.replace(name, "Lisbon_Lisbon", "Lisbon (Lisbon)"); |
| 549 |
name = StringUtils.replace(name, "MGI_M", "MGI Austria M"); //"MGI_M" --> "MGI / Austria M" |
| 550 |
name = StringUtils.replace(name, "New_Brunswick_Stereographic", "New Brunswick Stereographic (ATS77)"); |
| 551 |
name = StringUtils.replace(name, "Oslo_Norway", "(Oslo) NGO"); |
| 552 |
name = StringUtils.replace(name, "Paris", "(Paris)"); |
| 553 |
name = StringUtils.replace(name, "St_", "St. "); |
| 554 |
name = StringUtils.replace(name, "TC_1948", "TC(1948)"); |
| 555 |
|
| 556 |
name = StringUtils.replace(name, "_", " "); |
| 557 |
name = StringUtils.replace(name, "-", " "); |
| 558 |
name = StringUtils.lowerCase(name); |
| 559 |
return name;
|
| 560 |
} |
| 561 |
|
| 562 |
private static String normalizeEPSG(String sr_name) { |
| 563 |
String name;
|
| 564 |
name = StringUtils.replace(sr_name, " / ", " "); |
| 565 |
name = StringUtils.replace(name, "-", " "); |
| 566 |
name = StringUtils.lowerCase(name); |
| 567 |
return name;
|
| 568 |
} |
| 569 |
|
| 570 |
/* (non-Javadoc)
|
| 571 |
* @see org.cresques.cts.ICRSFactory#export(java.lang.String, org.cresques.cts.IProjection)
|
| 572 |
*/
|
| 573 |
public String export(String format, IProjection proj) { |
| 574 |
return proj.export(format);
|
| 575 |
} |
| 576 |
} |