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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 3 of the License, or (at your option) any later
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* version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 51
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* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us at info AT
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* gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.fmap.dal.store.shp.utils;
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import java.io.BufferedReader;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileReader;
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import java.io.IOException;
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import java.nio.ByteOrder;
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import java.nio.channels.FileChannel;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.gvsig.fmap.dal.exception.CloseException;
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import org.gvsig.fmap.dal.exception.DataException;
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import org.gvsig.fmap.dal.exception.FileNotFoundException;
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import org.gvsig.fmap.dal.exception.ReadException;
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import org.gvsig.fmap.dal.store.shp.SHPStoreParameters;
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import org.gvsig.fmap.geom.Geometry;
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import org.gvsig.fmap.geom.Geometry.SUBTYPES;
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import org.gvsig.fmap.geom.Geometry.TYPES;
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import org.gvsig.fmap.geom.GeometryLocator;
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import org.gvsig.fmap.geom.GeometryManager;
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import org.gvsig.fmap.geom.aggregate.Aggregate;
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import org.gvsig.fmap.geom.aggregate.MultiPrimitive;
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException;
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import org.gvsig.fmap.geom.exception.CreateGeometryException;
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import org.gvsig.fmap.geom.primitive.Envelope;
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import org.gvsig.fmap.geom.primitive.OrientablePrimitive;
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import org.gvsig.fmap.geom.primitive.Point;
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import org.gvsig.fmap.geom.primitive.PointGeometryType;
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import org.gvsig.fmap.geom.primitive.Surface;
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import org.gvsig.fmap.geom.type.GeometryType;
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import org.gvsig.fmap.geom.type.GeometryTypeNotSupportedException;
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import org.gvsig.fmap.geom.type.GeometryTypeNotValidException;
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import org.gvsig.utils.bigfile.BigByteBuffer2;
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/**
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* @author jmvivo
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*
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*/
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public class SHPFile2 implements ISHPFile {
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private static final Logger logger = LoggerFactory.getLogger(SHPFile2.class);
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private Envelope extent;
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private int type;
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private int subType;
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private String srsParameters;
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private FileInputStream fin;
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private FileChannel channel;
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private BigByteBuffer2 bb;
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private FileInputStream finShx;
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private FileChannel channelShx;
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private BigByteBuffer2 bbShx;
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private SHPStoreParameters params;
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private int[] supportedGeometryTypes;
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private final GeometryManager gManager = GeometryLocator
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.getGeometryManager();
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private GeometryType gtypeNull;
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private PointGeometryType gtypePoint2D;
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private GeometryType gtypeCurve2D;
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private GeometryType gtypeSurface2D;
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private GeometryType gtypeMultiPoint2D;
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private boolean useNullGeometry = false;
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public SHPFile2(SHPStoreParameters params) {
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this.params = params;
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try {
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gtypeNull = gManager.getGeometryType(TYPES.NULL, SUBTYPES.GEOM2D);
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gtypePoint2D
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= (PointGeometryType) gManager.getGeometryType(TYPES.POINT,
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SUBTYPES.GEOM2D);
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gtypeCurve2D
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= gManager.getGeometryType(TYPES.CURVE, SUBTYPES.GEOM2D);
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gtypeSurface2D
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= gManager.getGeometryType(TYPES.SURFACE, SUBTYPES.GEOM2D);
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gtypeMultiPoint2D
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= gManager.getGeometryType(TYPES.MULTIPOINT, SUBTYPES.GEOM2D);
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} catch (GeometryTypeNotSupportedException e) {
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throw new RuntimeException(
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"Unable to get the 2D geometry types to use", e);
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} catch (GeometryTypeNotValidException e) {
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throw new RuntimeException(
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"Unable to get the 2D geometry types to use", e);
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}
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}
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public void setUseNullGeometry(boolean useNullGeometry) {
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this.useNullGeometry = useNullGeometry;
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}
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.fmap.dal.Resource#doClose()
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*/
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public void close() throws CloseException {
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CloseException ret = null;
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// FIXME: Arreglar esto para que se acumulen los errores
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try {
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channel.close();
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channelShx.close();
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} catch (IOException e) {
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ret = new CloseException("SHPFile.close", e);
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} finally {
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try {
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fin.close();
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finShx.close();
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} catch (IOException e1) {
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ret = new CloseException("SHPFile.close", e1);
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}
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}
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if (ret != null) {
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throw ret;
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}
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bb = null;
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bbShx = null;
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fin = null;
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finShx = null;
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channel = null;
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channelShx = null;
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srsParameters = null;
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}
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public boolean isOpen() {
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return this.fin != null;
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}
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public synchronized void open() throws DataException {
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try {
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fin = new FileInputStream(this.params.getSHPFile());
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} catch (java.io.FileNotFoundException e) {
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throw new FileNotFoundException(this.params.getSHPFileName());
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}
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// Open the file and then get a channel from the stream
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channel = fin.getChannel();
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// long size = channel.size();
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// Get the file's size and then map it into memory
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// bb = channel.map(FileChannel.MapMode.READ_ONLY, 0, size);
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try {
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bb = new BigByteBuffer2(channel, FileChannel.MapMode.READ_ONLY);
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} catch (IOException e) {
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throw new ReadException(this.params.getSHPFileName(), e);
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}
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try {
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finShx = new FileInputStream(this.params.getSHXFile());
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} catch (java.io.FileNotFoundException e) {
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throw new FileNotFoundException(this.params.getSHXFileName());
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}
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// Open the file and then get a channel from the stream
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channelShx = finShx.getChannel();
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// long sizeShx = channelShx.size();
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// Get the file's size and then map it into memory
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// bb = channel.map(FileChannel.MapMode.READ_ONLY, 0, size);
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// bbShx = channelShx.map(FileChannel.MapMode.READ_ONLY, 0, sizeShx);
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try {
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bbShx
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= new BigByteBuffer2(channelShx, FileChannel.MapMode.READ_ONLY);
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} catch (IOException e) {
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throw new ReadException(this.params.getSHXFileName(), e);
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}
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bbShx.order(ByteOrder.BIG_ENDIAN);
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// create a new header.
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ShapeFileHeader2 myHeader = new ShapeFileHeader2();
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bb.position(0);
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// read the header
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myHeader.readHeader(bb);
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double[] min = new double[2];
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min[0] = myHeader.myXmin;
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min[1] = myHeader.myYmin;
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double[] max = new double[2];
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max[0] = myHeader.myXmax;
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max[1] = myHeader.myYmax;
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try {
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extent
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= gManager.createEnvelope(min[0], min[1], max[0], max[1],
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SUBTYPES.GEOM2D);
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} catch (CreateEnvelopeException e1) {
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logger.error("Error creating the envelope", e1);
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}
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// extent = new Rectangle2D.Double(myHeader.myXmin, myHeader.myYmin,
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// myHeader.myXmax - myHeader.myXmin,
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// myHeader.myYmax - myHeader.myYmin);
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type = myHeader.myShapeType;
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subType = getGeometrySubType();
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this.initSupportedGeometryTypes();
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double x = myHeader.myXmin;
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double y = myHeader.myYmin;
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double w = myHeader.myXmax - myHeader.myXmin;
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double h = myHeader.myYmax - myHeader.myYmin;
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if (w == 0) {
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x -= 0.1;
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w = 0.2;
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}
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if (h == 0) {
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y -= 0.1;
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h = 0.2;
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}
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// TODO: SRS
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File prjFile = SHP.getPrjFile(this.params.getSHPFile());
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if (prjFile.exists()) {
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BufferedReader input = null;
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try {
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input = new BufferedReader(new FileReader(prjFile));
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} catch (java.io.FileNotFoundException e) {
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throw new FileNotFoundException(prjFile.getAbsolutePath());
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}
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try {
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this.srsParameters = input.readLine();
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} catch (IOException e) {
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throw new ReadException("SHPFile.open prj", e);
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} finally {
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try {
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input.close();
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} catch (IOException e) {
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// TODO ???
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}
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}
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} else {
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this.srsParameters = null;
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}
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}
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public Envelope getFullExtent() throws ReadException {
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return this.extent;
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}
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276 |
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public boolean isEditable() {
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return this.params.getDBFFile().canWrite()
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&& this.params.getSHPFile().canWrite()
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&& this.params.getSHXFile().canWrite();
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}
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282 |
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public int getGeometryType() throws ReadException {
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int auxType = 0;
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285 |
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switch (type) {
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case (SHP.POINT2D):
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case (SHP.POINT3D):
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auxType = auxType | Geometry.TYPES.POINT;
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290 |
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break;
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case (SHP.POLYLINE2D):
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case (SHP.POLYLINE3D):
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auxType = auxType | Geometry.TYPES.MULTICURVE;
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296 |
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297 |
break;
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298 |
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299 |
case (SHP.POLYGON2D):
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case (SHP.POLYGON3D):
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auxType = auxType | Geometry.TYPES.MULTISURFACE;
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break;
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case (SHP.MULTIPOINT2D):
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case (SHP.MULTIPOINT3D):
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auxType = auxType | Geometry.TYPES.MULTIPOINT;
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307 |
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308 |
break;
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}
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310 |
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311 |
return auxType;
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}
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313 |
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314 |
public int getGeometrySubType() throws ReadException {
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switch (type) {
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case (SHP.POINT2D):
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317 |
case (SHP.POLYLINE2D):
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318 |
case (SHP.POLYGON2D):
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319 |
case (SHP.MULTIPOINT2D):
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320 |
return SUBTYPES.GEOM2D;
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case (SHP.POINT3D):
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322 |
case (SHP.POLYLINE3D):
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323 |
case (SHP.POLYGON3D):
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324 |
case (SHP.MULTIPOINT3D):
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return SUBTYPES.GEOM3D;
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case (SHP.POINTM):
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case (SHP.POLYLINEM):
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328 |
case (SHP.POLYGONM):
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329 |
case (SHP.MULTIPOINTM):
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return SUBTYPES.GEOM2DM;
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}
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332 |
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333 |
return SUBTYPES.UNKNOWN;
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334 |
}
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335 |
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336 |
private Geometry getNullGeometry() throws CreateGeometryException {
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337 |
if (this.useNullGeometry) {
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338 |
return gtypeNull.create();
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339 |
}
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340 |
return null;
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341 |
}
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342 |
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343 |
/**
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344 |
* Gets the geometry with the index provided. Set to synchronized to prevent
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345 |
* concurrent threads issue (?)
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346 |
*
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347 |
* @param position
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348 |
* @return
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|
349 |
* @throws ReadException
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|
350 |
* @throws CreateGeometryException
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351 |
*/
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352 |
public synchronized Geometry getGeometry(long position)
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|
353 |
throws ReadException, CreateGeometryException {
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354 |
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355 |
int shapeType;
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356 |
bb.position(getPositionForRecord(position));
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|
357 |
bb.order(ByteOrder.LITTLE_ENDIAN);
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|
358 |
shapeType = bb.getInt();
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359 |
|
|
360 |
if (shapeType == SHP.NULL) {
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361 |
return getNullGeometry();
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362 |
}
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|
363 |
|
|
364 |
/*
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|
365 |
* Inconsistency: this particular shape is not
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|
366 |
* of the expected type. This can be because the SHP file
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|
367 |
* is corrupt and it can cause "out of memory error"
|
|
368 |
* because the code will possibly try to instantiate a
|
|
369 |
* huge (absurd) array, so it's safer to return a null geometry
|
|
370 |
*/
|
|
371 |
if (shapeType != type) {
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|
372 |
return getNullGeometry();
|
|
373 |
}
|
|
374 |
|
|
375 |
Geometry geometry;
|
|
376 |
Point point;
|
|
377 |
switch (type) {
|
|
378 |
case (SHP.POINT2D):
|
|
379 |
point = readPoint(bb);
|
|
380 |
return point;
|
|
381 |
|
|
382 |
case (SHP.POINT3D):
|
|
383 |
point = readPoint(bb);
|
|
384 |
point.setCoordinateAt(
|
|
385 |
Geometry.DIMENSIONS.Z,
|
|
386 |
bb.getDouble()
|
|
387 |
);
|
|
388 |
return point;
|
|
389 |
|
|
390 |
case (SHP.POINTM):
|
|
391 |
point = readPoint(bb);
|
|
392 |
point.setCoordinateAt(2, bb.getDouble());
|
|
393 |
return point;
|
|
394 |
|
|
395 |
case (SHP.POLYLINE2D):
|
|
396 |
geometry = readGeometry(
|
|
397 |
Geometry.TYPES.CURVE,
|
|
398 |
Geometry.TYPES.MULTICURVE,
|
|
399 |
Geometry.SUBTYPES.GEOM2D);
|
|
400 |
if (geometry == null) {
|
|
401 |
return getNullGeometry();
|
|
402 |
}
|
|
403 |
return geometry;
|
|
404 |
|
|
405 |
case (SHP.POLYGON2D):
|
|
406 |
geometry = readGeometry(
|
|
407 |
Geometry.TYPES.SURFACE,
|
|
408 |
Geometry.TYPES.MULTISURFACE,
|
|
409 |
Geometry.SUBTYPES.GEOM2D);
|
|
410 |
if (geometry == null) {
|
|
411 |
return getNullGeometry();
|
|
412 |
}
|
|
413 |
return geometry;
|
|
414 |
|
|
415 |
case (SHP.POLYLINE3D):
|
|
416 |
geometry = readGeometry(
|
|
417 |
Geometry.TYPES.CURVE,
|
|
418 |
Geometry.TYPES.MULTICURVE,
|
|
419 |
Geometry.SUBTYPES.GEOM3D);
|
|
420 |
if (geometry == null) {
|
|
421 |
return getNullGeometry();
|
|
422 |
}
|
|
423 |
return geometry;
|
|
424 |
|
|
425 |
case (SHP.POLYGON3D):
|
|
426 |
geometry = readGeometry(
|
|
427 |
Geometry.TYPES.SURFACE,
|
|
428 |
Geometry.TYPES.MULTISURFACE,
|
|
429 |
Geometry.SUBTYPES.GEOM3D);
|
|
430 |
if (geometry == null) {
|
|
431 |
return getNullGeometry();
|
|
432 |
}
|
|
433 |
return geometry;
|
|
434 |
|
|
435 |
case (SHP.MULTIPOINT2D):
|
|
436 |
geometry = readMultiPoint(SUBTYPES.GEOM2D);
|
|
437 |
if (geometry == null) {
|
|
438 |
return getNullGeometry();
|
|
439 |
}
|
|
440 |
return geometry;
|
|
441 |
|
|
442 |
case (SHP.MULTIPOINT3D):
|
|
443 |
geometry = readMultiPoint(SUBTYPES.GEOM3D);
|
|
444 |
if (geometry == null) {
|
|
445 |
return getNullGeometry();
|
|
446 |
}
|
|
447 |
return geometry;
|
|
448 |
}
|
|
449 |
|
|
450 |
return null;
|
|
451 |
}
|
|
452 |
|
|
453 |
private Geometry readMultiPoint(int subtype) throws CreateGeometryException, ReadException {
|
|
454 |
Point point;
|
|
455 |
|
|
456 |
bb.position(bb.position() + 32);
|
|
457 |
int numPoints = bb.getInt();
|
|
458 |
|
|
459 |
Point[] points = new Point[numPoints];
|
|
460 |
|
|
461 |
MultiPrimitive multi = (MultiPrimitive) gManager.create(Geometry.TYPES.MULTIPOINT, subtype);
|
|
462 |
|
|
463 |
for (int i = 0; i < numPoints; i++) {
|
|
464 |
point = (Point) gManager.create(TYPES.POINT, subtype);
|
|
465 |
point.setX(bb.getDouble());
|
|
466 |
point.setY(bb.getDouble());
|
|
467 |
multi.addPrimitive(point);
|
|
468 |
}
|
|
469 |
|
|
470 |
if (subtype == Geometry.SUBTYPES.GEOM3D) {
|
|
471 |
for (int i = 0; i < numPoints; i++) {
|
|
472 |
double z = bb.getDouble();
|
|
473 |
point = (Point) multi.getPrimitiveAt(i);
|
|
474 |
point.setCoordinateAt(Geometry.DIMENSIONS.Z, z);
|
|
475 |
}
|
|
476 |
}
|
|
477 |
if (multi.getPrimitivesNumber() == 0) {
|
|
478 |
return null;
|
|
479 |
}
|
|
480 |
return multi;
|
|
481 |
}
|
|
482 |
|
|
483 |
private Geometry readGeometry(int type, int typemulti, int subtype)
|
|
484 |
throws CreateGeometryException, ReadException {
|
|
485 |
|
|
486 |
bb.position(bb.position() + 32);
|
|
487 |
|
|
488 |
int numberOfSurfaces = bb.getInt();
|
|
489 |
int numberOfPoints = bb.getInt();
|
|
490 |
|
|
491 |
int[] indexOfPointsOfSurfaces = new int[numberOfSurfaces+1];
|
|
492 |
for (int i = 0; i < numberOfSurfaces; i++) {
|
|
493 |
indexOfPointsOfSurfaces[i] = bb.getInt();
|
|
494 |
}
|
|
495 |
indexOfPointsOfSurfaces[numberOfSurfaces] = -1;
|
|
496 |
|
|
497 |
MultiPrimitive multi = null;
|
|
498 |
if (numberOfSurfaces > 1) {
|
|
499 |
multi = (MultiPrimitive) gManager.create(typemulti, subtype);
|
|
500 |
}
|
|
501 |
Surface surface = null;
|
|
502 |
|
|
503 |
int nextSurface = 0;
|
|
504 |
|
|
505 |
for (int i = 0; i < numberOfPoints; i++) {
|
|
506 |
Point p = readPoint(subtype, bb);
|
|
507 |
if (i == indexOfPointsOfSurfaces[nextSurface]) {
|
|
508 |
// Cambiamos de poligono
|
|
509 |
if( surface != null ) {
|
|
510 |
if( multi != null ) {
|
|
511 |
multi.addPrimitive(surface);
|
|
512 |
}
|
|
513 |
}
|
|
514 |
surface = (Surface) gManager.create(type, subtype);
|
|
515 |
surface.addVertex(p);
|
|
516 |
nextSurface++;
|
|
517 |
} else {
|
|
518 |
surface.addVertex(p);
|
|
519 |
}
|
|
520 |
}
|
|
521 |
if (multi != null) {
|
|
522 |
multi.addPrimitive(surface);
|
|
523 |
if (subtype == Geometry.SUBTYPES.GEOM3D) {
|
|
524 |
fillZ(multi);
|
|
525 |
}
|
|
526 |
return multi;
|
|
527 |
}
|
|
528 |
if (surface.getNumVertices() < 1) {
|
|
529 |
return null;
|
|
530 |
}
|
|
531 |
if (subtype == Geometry.SUBTYPES.GEOM3D) {
|
|
532 |
fillZ(surface);
|
|
533 |
}
|
|
534 |
return surface;
|
|
535 |
}
|
|
536 |
|
|
537 |
private void fillZ(Geometry geometry)
|
|
538 |
throws CreateGeometryException, ReadException {
|
|
539 |
double[] boxZ = new double[2];
|
|
540 |
boxZ[0] = bb.getDouble();
|
|
541 |
boxZ[1] = bb.getDouble();
|
|
542 |
|
|
543 |
if (geometry == null) {
|
|
544 |
return;
|
|
545 |
}
|
|
546 |
if (geometry instanceof Aggregate) {
|
|
547 |
Aggregate multi = (Aggregate) geometry;
|
|
548 |
for (int i = 0; i < multi.getPrimitivesNumber(); i++) {
|
|
549 |
OrientablePrimitive primitive = (OrientablePrimitive) geometry;
|
|
550 |
for (int p = 0; p < primitive.getNumVertices(); p++) {
|
|
551 |
primitive.setCoordinateAt(p, 2, bb.getDouble());
|
|
552 |
}
|
|
553 |
}
|
|
554 |
} else if (geometry instanceof OrientablePrimitive) {
|
|
555 |
OrientablePrimitive primitive = (OrientablePrimitive) geometry;
|
|
556 |
for (int p = 0; p < primitive.getNumVertices(); p++) {
|
|
557 |
primitive.setCoordinateAt(p, 2, bb.getDouble());
|
|
558 |
}
|
|
559 |
} else {
|
|
560 |
logger.warn("Geoemtry type '" + geometry.getClass().getName() + "'unexpected ");
|
|
561 |
}
|
|
562 |
}
|
|
563 |
|
|
564 |
private long getPositionForRecord(long numRec) {
|
|
565 |
// shx file has a 100 bytes header, then, records
|
|
566 |
// 8 bytes length, one for each entity.
|
|
567 |
// first 4 bytes are the offset
|
|
568 |
// next 4 bytes are length
|
|
569 |
|
|
570 |
int posIndex = 100 + ((int) numRec * 8);
|
|
571 |
// bbShx.position(posIndex);
|
|
572 |
long pos = 8 + 2 * bbShx.getInt(posIndex);
|
|
573 |
|
|
574 |
return pos;
|
|
575 |
}
|
|
576 |
|
|
577 |
/**
|
|
578 |
* Reads the Point from the shape file.
|
|
579 |
*
|
|
580 |
* @param in ByteBuffer.
|
|
581 |
*
|
|
582 |
* @return Point2D.
|
|
583 |
* @throws ReadException
|
|
584 |
* @throws CreateGeometryException
|
|
585 |
*/
|
|
586 |
private Point readPoint(BigByteBuffer2 in)
|
|
587 |
throws CreateGeometryException, ReadException {
|
|
588 |
return readPoint(subType, in);
|
|
589 |
}
|
|
590 |
|
|
591 |
private Point readPoint(int subtype, BigByteBuffer2 in)
|
|
592 |
throws CreateGeometryException, ReadException {
|
|
593 |
// bytes 1 to 4 are the type and have already been read.
|
|
594 |
// bytes 4 to 12 are the X coordinate
|
|
595 |
in.order(ByteOrder.LITTLE_ENDIAN);
|
|
596 |
double x = in.getDouble();
|
|
597 |
double y = in.getDouble();
|
|
598 |
Point p = gManager.createPoint(x, y, subtype);
|
|
599 |
return p;
|
|
600 |
}
|
|
601 |
|
|
602 |
/**
|
|
603 |
* Lee un rect?ngulo del fichero.
|
|
604 |
*
|
|
605 |
* @param in ByteBuffer.
|
|
606 |
*
|
|
607 |
* @return Rect?ngulo.
|
|
608 |
* @throws CreateEnvelopeException
|
|
609 |
*
|
|
610 |
* @throws IOException
|
|
611 |
*/
|
|
612 |
private Envelope readRectangle(BigByteBuffer2 in)
|
|
613 |
throws CreateEnvelopeException {
|
|
614 |
in.order(ByteOrder.LITTLE_ENDIAN);
|
|
615 |
double x = in.getDouble();
|
|
616 |
double y = in.getDouble();
|
|
617 |
|
|
618 |
double x2 = in.getDouble();
|
|
619 |
|
|
620 |
if (x2 - x == 0) {
|
|
621 |
x2 += 0.2;
|
|
622 |
x -= 0.1;
|
|
623 |
}
|
|
624 |
|
|
625 |
double y2 = in.getDouble();
|
|
626 |
|
|
627 |
if (y2 - y == 0) {
|
|
628 |
y2 += 0.2;
|
|
629 |
y -= 0.1;
|
|
630 |
}
|
|
631 |
Envelope tempEnvelope
|
|
632 |
= gManager.createEnvelope(x, y, x2, y2, SUBTYPES.GEOM2D);
|
|
633 |
return tempEnvelope;
|
|
634 |
}
|
|
635 |
|
|
636 |
/**
|
|
637 |
* Gets the geometry bbox with the index provided. Set to synchronized to
|
|
638 |
* prevent concurrent threads issue (?)
|
|
639 |
*
|
|
640 |
* @param featureIndex
|
|
641 |
* @return
|
|
642 |
* @throws ReadException
|
|
643 |
* @throws CreateEnvelopeException
|
|
644 |
* @throws CreateGeometryException
|
|
645 |
*/
|
|
646 |
public synchronized Envelope getBoundingBox(long featureIndex)
|
|
647 |
throws ReadException, CreateEnvelopeException, CreateGeometryException {
|
|
648 |
Point p;
|
|
649 |
Envelope BoundingBox = null;
|
|
650 |
try {
|
|
651 |
bb.position(getPositionForRecord(featureIndex));
|
|
652 |
} catch (Exception e) {
|
|
653 |
throw new ReadException("getBondingBox (" + featureIndex + ")", e);
|
|
654 |
// logger.error(" Shapefile is corrupted. Drawing aborted. ="+e+
|
|
655 |
// " "+"index = "+index);
|
|
656 |
}
|
|
657 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
|
658 |
|
|
659 |
int tipoShape = bb.getInt();
|
|
660 |
|
|
661 |
// AZABALA: si tipoShape viene con valores erroneos deja de funcionar
|
|
662 |
// el metodo getShape(i)
|
|
663 |
// if (tipoShape != SHP.NULL) {
|
|
664 |
// type = tipoShape;
|
|
665 |
// }
|
|
666 |
// retrieve that shape.
|
|
667 |
// tempRecord.setShape(readShape(tempShapeType, tempContentLength, in));
|
|
668 |
switch (tipoShape) {
|
|
669 |
case (SHP.POINT2D):
|
|
670 |
case (SHP.POINT3D):
|
|
671 |
p = readPoint(bb);
|
|
672 |
BoundingBox
|
|
673 |
= gManager.createEnvelope(p.getX() - 0.1, p.getY() - 0.1,
|
|
674 |
p.getX() + 0.2, p.getY() + 0.2, SUBTYPES.GEOM2D);
|
|
675 |
// new Rectangle2D.Double(p.getX() - 0.1,
|
|
676 |
// p.getY() - 0.1, 0.2, 0.2);
|
|
677 |
|
|
678 |
break;
|
|
679 |
|
|
680 |
case (SHP.POLYLINE2D):
|
|
681 |
case (SHP.POLYGON2D):
|
|
682 |
case (SHP.MULTIPOINT2D):
|
|
683 |
case (SHP.POLYLINE3D):
|
|
684 |
case (SHP.POLYGON3D):
|
|
685 |
case (SHP.MULTIPOINT3D):
|
|
686 |
|
|
687 |
// BoundingBox
|
|
688 |
BoundingBox = readRectangle(bb);
|
|
689 |
|
|
690 |
break;
|
|
691 |
}
|
|
692 |
|
|
693 |
return BoundingBox;
|
|
694 |
}
|
|
695 |
|
|
696 |
/**
|
|
697 |
* @return
|
|
698 |
*/
|
|
699 |
public String getSRSParameters() {
|
|
700 |
return this.srsParameters;
|
|
701 |
}
|
|
702 |
|
|
703 |
private void initSupportedGeometryTypes() throws ReadException {
|
|
704 |
switch (this.getGeometryType()) {
|
|
705 |
case Geometry.TYPES.POINT:
|
|
706 |
supportedGeometryTypes
|
|
707 |
= new int[]{Geometry.TYPES.POINT, Geometry.TYPES.NULL};
|
|
708 |
break;
|
|
709 |
case Geometry.TYPES.MULTIPOINT:
|
|
710 |
supportedGeometryTypes
|
|
711 |
= new int[]{Geometry.TYPES.MULTIPOINT, Geometry.TYPES.NULL};
|
|
712 |
break;
|
|
713 |
case Geometry.TYPES.MULTICURVE:
|
|
714 |
supportedGeometryTypes
|
|
715 |
= new int[]{Geometry.TYPES.CURVE, Geometry.TYPES.ELLIPSE,
|
|
716 |
Geometry.TYPES.ARC, Geometry.TYPES.CIRCLE,
|
|
717 |
Geometry.TYPES.SURFACE, Geometry.TYPES.NULL,
|
|
718 |
Geometry.TYPES.MULTICURVE};
|
|
719 |
break;
|
|
720 |
case Geometry.TYPES.MULTISURFACE:
|
|
721 |
supportedGeometryTypes
|
|
722 |
= new int[]{Geometry.TYPES.ELLIPSE, Geometry.TYPES.CIRCLE,
|
|
723 |
Geometry.TYPES.SURFACE, Geometry.TYPES.NULL,
|
|
724 |
Geometry.TYPES.MULTISURFACE};
|
|
725 |
break;
|
|
726 |
|
|
727 |
default:
|
|
728 |
supportedGeometryTypes = new int[]{};
|
|
729 |
}
|
|
730 |
}
|
|
731 |
|
|
732 |
public boolean canWriteGeometry(int gvSIGgeometryType) {
|
|
733 |
for (int i = 0; i < supportedGeometryTypes.length; i++) {
|
|
734 |
if (gvSIGgeometryType == supportedGeometryTypes[i]) {
|
|
735 |
return true;
|
|
736 |
}
|
|
737 |
}
|
|
738 |
return false;
|
|
739 |
}
|
|
740 |
}
|
0 |
741 |
|