root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / drivers / shp / DemoSHPDriver.java @ 2183
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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) 2004 IVER T.I. 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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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.fmap.drivers.shp; |
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import com.iver.cit.gvsig.fmap.MapControl; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.GeneralPathX; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.ShapeFactory; |
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import com.iver.cit.gvsig.fmap.drivers.BoundedShapes; |
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import com.iver.cit.gvsig.fmap.drivers.DriverAttributes; |
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import com.iver.cit.gvsig.fmap.drivers.ExternalData; |
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import com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.io.File; |
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import java.io.FileInputStream; |
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import java.io.IOException; |
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import java.nio.ByteBuffer; |
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import java.nio.ByteOrder; |
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import java.nio.channels.FileChannel; |
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import org.apache.log4j.Logger; |
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/**
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* Driver del formato SHP.
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*
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* @author $author$
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*/
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public class DemoSHPDriver implements VectorialFileDriver, BoundedShapes, |
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ExternalData {
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private static Logger logger = Logger.getLogger(DemoSHPDriver.class.getName()); |
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private File file; |
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private ByteBuffer bb; |
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private FileChannel channel; |
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private FileInputStream fin; |
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private int type; |
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private int[] m_posShapes; |
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private int numReg; |
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private Rectangle2D extent; |
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/**
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* Cierra el fichero.
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*
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* @throws IOException
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*
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#close()
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*/
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public void close() throws IOException { |
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IOException ret = null; |
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try {
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channel.close(); |
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} catch (IOException e) { |
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ret = e; |
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} finally {
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try {
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fin.close(); |
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} catch (IOException e1) { |
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ret = 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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else // Si todo ha ido bien, preparamos para liberar memoria. |
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bb = null;
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#open(java.io.File)
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*/
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public void open(File f) throws IOException { |
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file = f; |
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fin = new FileInputStream(f); |
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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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} |
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/**
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* DOCUMENT ME!
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*
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* @param index DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws IOException
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*
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* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getShape(int)
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*/
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/* public FShape getShapeByID(int ID) {
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Point2D.Double p = new Point2D.Double();
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Point2D.Double pAnt = null;
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int numParts;
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int numPoints;
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int i;
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int j;
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int numReg;
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int numeroPuntos;
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int hasta;
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int desde;
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Rectangle2D.Double BoundingBox = new Rectangle2D.Double();
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SHPShape shapeShp=null;
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FShape resulShape = null;
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try {
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bb.position(m_posShapes[ID]);
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bb.order(ByteOrder.LITTLE_ENDIAN);
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int tipoShape = bb.getInt();
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m_shapeType = tipoShape;
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// retrieve that shape.
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// tempRecord.setShape(readShape(tempShapeType, tempContentLength, in));
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if (tipoShape == FConstant.SHAPE_TYPE_POINT) {
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p = readPoint(bb);
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resulShape = new FShape(new FPoint(p.getX(),p.getY()),FConstant.SHAPE_TYPE_POINT);
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//Comprobaci?n punto.
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//System.err.println("p.x = "+p.x);
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//System.err.println("p.y = "+p.y);
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} else if ((tipoShape == FConstant.SHAPE_TYPE_POLYLINE) ||
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(tipoShape == FConstant.SHAPE_TYPE_POLYGON)) {
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// BoundingBox
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BoundingBox = readRectangle(bb);
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numParts = bb.getInt();
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numPoints = bb.getInt();
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// part indexes.
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// Geometry geom = GeometryFactory.toGeometryArray();
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GeneralPathX elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,
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numPoints);
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int[] tempParts = new int[numParts];
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for (i = 0; i < numParts; i++) {
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tempParts[i] = bb.getInt();
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}
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j = 0;
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///Line2D.Double line2D;
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FPoint[] points=new FPoint[numPoints];
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for (i = 0; i < numPoints; i++) {
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p=readPoint(bb);
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points[i] = new FPoint(p.x,p.y);
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// System.out.println("x= " + p.x + " y=" + p.y);
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// System.out.println("x= " + (float) p.x + " y=" + (float) p.y);
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if (i == tempParts[j]) {
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elShape.moveTo(p.x, p.y);
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if (j < (numParts - 1)) {
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j++;
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}
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} else {
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elShape.lineTo(p.x, p.y);
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}
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}
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//FGeometry pol=new FPolyLine(points,tempParts,BoundingBox);
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resulShape = new FShape(tipoShape,elShape);
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} else if (tipoShape == FConstant.SHAPE_TYPE_MULTIPOINT) {
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// BoundingBox
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BoundingBox = readRectangle(bb);
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numPoints = bb.getInt();
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FPoint[] tempPoints = new FPoint[numPoints];
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for (i = 0; i < numPoints; i++) {
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Point2D p2=readPoint(bb);
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tempPoints[i] = new FPoint(p2.getX(),p2.getY(),0);
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}
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FMultiPoint multipoint = new FMultiPoint(tempPoints,BoundingBox);
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resulShape = new FShape(multipoint,tipoShape);
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} else if (tipoShape == FConstant.SHAPE_TYPE_POINTZ) {
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FPoint p3d = new FPoint();
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p3d.read(bb);
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resulShape = new FShape(p3d,tipoShape);
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} else if ((tipoShape == FConstant.SHAPE_TYPE_POLYLINEZ) ||
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(tipoShape == FConstant.SHAPE_TYPE_POLYGONZ)) {
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// BoundingBox
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BoundingBox = readRectangle(bb);
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numParts = bb.getInt();
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numPoints = bb.getInt();
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// part indexes.
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// Geometry geom = GeometryFactory.toGeometryArray();
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GeneralPathX elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,
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numPoints);
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int[] tempParts = new int[numParts];
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for (i = 0; i < numParts; i++) {
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tempParts[i] = bb.getInt();
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}
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j = 0;
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//Line2D.Double line2D;
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FPoint[] points=new FPoint[numPoints];
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for (i = 0; i < numPoints; i++) {
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p = readPoint(bb);
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points[i]=new FPoint(p.x,p.y);
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if (i == tempParts[j]) {
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elShape.moveTo(p.x, p.y);
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if (j < (numParts - 1)) {
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j++;
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}
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} else {
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elShape.lineTo(p.x, p.y);
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}
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}
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double[] boxZ = new double[2];
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boxZ[0] = bb.getDouble();
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boxZ[1] = bb.getDouble();
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double[] pZ = new double[numPoints];
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for (i = 0; i < numPoints; i++) {
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pZ[i] = bb.getDouble();
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}
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//FGeometry pol=new FPolyLine(points,tempParts,BoundingBox);
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resulShape = new FShape(tipoShape, elShape, pZ);
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} else if (tipoShape == FConstant.SHAPE_TYPE_MULTIPOINTZ) {
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// BoundingBox
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BoundingBox = readRectangle(bb);
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numPoints = bb.getInt();
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FPoint[] tempPoints3D = new FPoint[numPoints];
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for (i = 0; i < numPoints; i++) {
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tempPoints3D[i] = new FPoint();
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tempPoints3D[i].read(bb);
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}
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FMultiPoint multipoint3D = new FMultiPoint(tempPoints3D,BoundingBox);
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resulShape = new FShape(multipoint3D,tipoShape);
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}
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} catch (Exception e) {
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System.err.println("Fallo en getShapeByID. ID=" + ID +
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" m_posShapes[ID]=" + m_posShapes[ID]);
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System.err.println("getShapeByID: " + e.getMessage());
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e.printStackTrace();
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}
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return resulShape;
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}
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*/
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/**
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* Devuelve la geometria a partir de un ?ndice.
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*
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* @param index DOCUMENT ME!
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*
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* @return DOCUMENT ME!
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*
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* @throws IOException DOCUMENT ME!
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*/
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public IGeometry getShape(int index) throws IOException { |
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Point2D.Double p = new Point2D.Double(); |
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Point2D.Double pAnt = null; |
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int numParts;
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int numPoints;
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int i;
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int j;
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int numReg;
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int numeroPuntos;
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int hasta;
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int desde;
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int shapeType;
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//Rectangle2D.Double BoundingBox;
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bb.position(m_posShapes[index]); |
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bb.order(ByteOrder.LITTLE_ENDIAN);
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///bb.position(bb.position()+4);
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shapeType = bb.getInt(); |
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//el shape tal con tema tal y n?mro tal es null
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if (shapeType==SHP.NULL){
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logger.info("El shape ="+index+ " del tema ="+this.toString()+" es null"); |
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return null; |
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} |
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// retrieve that shape.
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// tempRecord.setShape(readShape(tempShapeType, tempContentLength, in));
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switch (type) {
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case (SHP.POINT2D):
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p = readPoint(bb); |
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return ShapeFactory.createPoint2D(p.getX(), p.getY());
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case (SHP.POLYLINE2D):
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//BoundingBox = readRectangle(bb);
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//bb.getDouble();
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//bb.getDouble();
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//bb.getDouble();
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//bb.getDouble();
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bb.position(bb.position() + 32);
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numParts = bb.getInt(); |
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numPoints = bb.getInt(); |
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// part indexes.
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// Geometry geom = GeometryFactory.toGeometryArray();
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GeneralPathX elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD,
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numPoints); |
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int[] tempParts = new int[numParts]; |
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for (i = 0; i < numParts; i++) { |
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tempParts[i] = bb.getInt(); |
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} |
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j = 0;
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for (i = 0; i < numPoints; i++) { |
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p = readPoint(bb); |
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if (i == tempParts[j]) {
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elShape.moveTo(p.x, p.y); |
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if (j < (numParts - 1)) { |
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j++; |
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} |
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} else {
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elShape.lineTo(p.x, p.y); |
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} |
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} |
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return ShapeFactory.createPolyline2D(elShape);
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case (SHP.POLYGON2D):
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// BoundingBox = readRectangle(bb);
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bb.getDouble(); |
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bb.getDouble(); |
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bb.getDouble(); |
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bb.getDouble(); |
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numParts = bb.getInt(); |
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numPoints = bb.getInt(); |
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// part indexes.
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// Geometry geom = GeometryFactory.toGeometryArray();
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elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD, numPoints);
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tempParts = new int[numParts]; |
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for (i = 0; i < numParts; i++) { |
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tempParts[i] = bb.getInt(); |
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} |
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j = 0;
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for (i = 0; i < numPoints; i++) { |
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p = readPoint(bb); |
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if (i == tempParts[j]) {
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elShape.moveTo(p.x, p.y); |
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if (j < (numParts - 1)) { |
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j++; |
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} |
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} else {
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elShape.lineTo(p.x, p.y); |
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} |
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} |
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return ShapeFactory.createPolygon2D(elShape);
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case (SHP.POINT3D):
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double x = bb.getDouble();
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double y = bb.getDouble();
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double z = bb.getDouble();
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return ShapeFactory.createPoint3D(x, y, z);
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case (SHP.POLYLINE3D):
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bb.position(bb.position() + 32);
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numParts = bb.getInt(); |
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numPoints = bb.getInt(); |
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elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD, numPoints);
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tempParts = new int[numParts]; |
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for (i = 0; i < numParts; i++) { |
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tempParts[i] = bb.getInt(); |
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} |
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j = 0;
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for (i = 0; i < numPoints; i++) { |
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p = readPoint(bb); |
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if (i == tempParts[j]) {
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elShape.moveTo(p.x, p.y); |
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if (j < (numParts - 1)) { |
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j++; |
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} |
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} else {
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elShape.lineTo(p.x, p.y); |
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} |
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} |
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double[] boxZ = new double[2]; |
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boxZ[0] = bb.getDouble();
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boxZ[1] = bb.getDouble();
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double[] pZ = new double[numPoints]; |
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for (i = 0; i < numPoints; i++) { |
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pZ[i] = bb.getDouble(); |
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} |
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return ShapeFactory.createPolyline3D(elShape, pZ);
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case (SHP.POLYGON3D):
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bb.position(bb.position() + 32);
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numParts = bb.getInt(); |
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numPoints = bb.getInt(); |
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elShape = new GeneralPathX(GeneralPathX.WIND_EVEN_ODD, numPoints);
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tempParts = new int[numParts]; |
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for (i = 0; i < numParts; i++) { |
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tempParts[i] = bb.getInt(); |
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} |
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j = 0;
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for (i = 0; i < numPoints; i++) { |
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p = readPoint(bb); |
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if (i == tempParts[j]) {
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elShape.moveTo(p.x, p.y); |
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if (j < (numParts - 1)) { |
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j++; |
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} |
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} else {
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elShape.lineTo(p.x, p.y); |
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} |
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} |
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double[] boxpoZ = new double[2]; |
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boxpoZ[0] = bb.getDouble();
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boxpoZ[1] = bb.getDouble();
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|
| 483 |
double[] poZ = new double[numPoints]; |
| 484 |
|
| 485 |
for (i = 0; i < numPoints; i++) { |
| 486 |
poZ[i] = bb.getDouble(); |
| 487 |
} |
| 488 |
|
| 489 |
return ShapeFactory.createPolygon3D(elShape, poZ);
|
| 490 |
|
| 491 |
case (SHP.MULTIPOINT2D):
|
| 492 |
bb.position(bb.position() + 32);
|
| 493 |
numPoints = bb.getInt(); |
| 494 |
|
| 495 |
double[] tempX = new double[numPoints]; |
| 496 |
double[] tempY = new double[numPoints]; |
| 497 |
|
| 498 |
for (i = 0; i < numPoints; i++) { |
| 499 |
tempX[i] = bb.getDouble(); |
| 500 |
tempY[i] = bb.getDouble(); |
| 501 |
} |
| 502 |
|
| 503 |
return ShapeFactory.createMultipoint2D(tempX, tempY);
|
| 504 |
|
| 505 |
case (SHP.MULTIPOINT3D):
|
| 506 |
bb.position(bb.position() + 32);
|
| 507 |
numPoints = bb.getInt(); |
| 508 |
|
| 509 |
double[] temX = new double[numPoints]; |
| 510 |
double[] temY = new double[numPoints]; |
| 511 |
double[] temZ = new double[numPoints]; |
| 512 |
|
| 513 |
for (i = 0; i < numPoints; i++) { |
| 514 |
temX[i] = bb.getDouble(); |
| 515 |
temY[i] = bb.getDouble(); |
| 516 |
temZ[i] = bb.getDouble(); |
| 517 |
} |
| 518 |
|
| 519 |
return ShapeFactory.createMultipoint3D(temX, temY, temZ);
|
| 520 |
} |
| 521 |
|
| 522 |
return null; |
| 523 |
} |
| 524 |
|
| 525 |
/**
|
| 526 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getShapeCount()
|
| 527 |
*/
|
| 528 |
public int getShapeCount() { |
| 529 |
return numReg;
|
| 530 |
} |
| 531 |
|
| 532 |
/**
|
| 533 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getShapeType()
|
| 534 |
*/
|
| 535 |
public int getShapeType() { |
| 536 |
int auxType = 0; |
| 537 |
|
| 538 |
switch (type) {
|
| 539 |
case (SHP.POINT2D):
|
| 540 |
auxType = auxType | FShape.POINT; |
| 541 |
|
| 542 |
break;
|
| 543 |
|
| 544 |
case (SHP.POLYLINE2D):
|
| 545 |
auxType = auxType | FShape.LINE; |
| 546 |
|
| 547 |
break;
|
| 548 |
|
| 549 |
case (SHP.POLYGON2D):
|
| 550 |
auxType = auxType | FShape.POLYGON; |
| 551 |
|
| 552 |
break;
|
| 553 |
|
| 554 |
case (SHP.POINT3D):
|
| 555 |
auxType = auxType | FShape.POINT; |
| 556 |
|
| 557 |
break;
|
| 558 |
|
| 559 |
case (SHP.POLYLINE3D):
|
| 560 |
auxType = auxType | FShape.LINE; |
| 561 |
|
| 562 |
break;
|
| 563 |
case (SHP.POLYGON3D):
|
| 564 |
auxType = auxType | FShape.POLYGON; |
| 565 |
break;
|
| 566 |
|
| 567 |
case (SHP.MULTIPOINT2D):
|
| 568 |
auxType = auxType | FShape.MULTI; |
| 569 |
|
| 570 |
break;
|
| 571 |
|
| 572 |
case (SHP.MULTIPOINT3D):
|
| 573 |
auxType = auxType | FShape.MULTI; |
| 574 |
|
| 575 |
break;
|
| 576 |
} |
| 577 |
|
| 578 |
return auxType;
|
| 579 |
} |
| 580 |
|
| 581 |
/**
|
| 582 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#initialize()
|
| 583 |
*/
|
| 584 |
public void initialize() throws IOException { |
| 585 |
// create a new header.
|
| 586 |
ShapeFileHeader myHeader = new ShapeFileHeader();
|
| 587 |
|
| 588 |
// read the header
|
| 589 |
myHeader.readHeader(bb); |
| 590 |
|
| 591 |
extent = new Rectangle2D.Double(myHeader.myXmin, myHeader.myYmin, |
| 592 |
myHeader.myXmax - myHeader.myXmin, |
| 593 |
myHeader.myYmax - myHeader.myYmin); |
| 594 |
|
| 595 |
type = myHeader.myShapeType; |
| 596 |
|
| 597 |
double x = myHeader.myXmin;
|
| 598 |
double y = myHeader.myYmin;
|
| 599 |
double w = myHeader.myXmax - myHeader.myXmin;
|
| 600 |
double h = myHeader.myYmax - myHeader.myYmin;
|
| 601 |
|
| 602 |
if (w == 0) { |
| 603 |
x -= 0.1;
|
| 604 |
w = 0.2;
|
| 605 |
} |
| 606 |
|
| 607 |
if (h == 0) { |
| 608 |
y -= 0.1;
|
| 609 |
h = 0.2;
|
| 610 |
} |
| 611 |
|
| 612 |
// String strFichDbf = m_Path.toLowerCase().replaceAll("\\.shp", ".dbf");
|
| 613 |
String strFichDbf = file.getAbsolutePath().replaceAll("\\.shp", ".dbf"); |
| 614 |
strFichDbf = strFichDbf.replaceAll("\\.SHP", ".DBF"); |
| 615 |
|
| 616 |
DbaseFileNIO m_FichDbf = new DbaseFileNIO();
|
| 617 |
|
| 618 |
m_FichDbf.open(new File(strFichDbf)); |
| 619 |
numReg = m_FichDbf.getRecordCount(); |
| 620 |
m_posShapes = new int[numReg]; |
| 621 |
|
| 622 |
// read the records.
|
| 623 |
int tempCurrentLength = myHeader.getHeaderLength();
|
| 624 |
int numReg = 0; |
| 625 |
|
| 626 |
int pos1;
|
| 627 |
|
| 628 |
while (tempCurrentLength < myHeader.myFileLength) {
|
| 629 |
// read the record header
|
| 630 |
// ShapeFileRecord tempRecord = new ShapeFileRecord();
|
| 631 |
// Bytes 0 to 4 represent the record number in the file, these may be out of order.
|
| 632 |
bb.order(ByteOrder.BIG_ENDIAN);
|
| 633 |
|
| 634 |
// tempRecord.setIndex(in.readInt());
|
| 635 |
bb.getInt(); |
| 636 |
|
| 637 |
// read the content length of this record in 16 bit words, excluding the index.
|
| 638 |
// in.setLittleEndianMode(false);
|
| 639 |
int tempContentLength = bb.getInt();
|
| 640 |
|
| 641 |
pos1 = bb.position(); |
| 642 |
|
| 643 |
m_posShapes[numReg] = bb.position(); |
| 644 |
|
| 645 |
// Posicionamos
|
| 646 |
bb.position((pos1 + (2 * tempContentLength)));
|
| 647 |
numReg = numReg + 1;
|
| 648 |
|
| 649 |
// update the current length the 4 is for the index, and content length.
|
| 650 |
tempCurrentLength = tempCurrentLength + 4 + tempContentLength;
|
| 651 |
} |
| 652 |
} |
| 653 |
|
| 654 |
/**
|
| 655 |
* Reads the Point from the shape file.
|
| 656 |
*
|
| 657 |
* @param in ByteBuffer.
|
| 658 |
*
|
| 659 |
* @return Point2D.
|
| 660 |
*/
|
| 661 |
private Point2D.Double readPoint(ByteBuffer in) { |
| 662 |
// create a new point
|
| 663 |
Point2D.Double tempPoint = new Point2D.Double(); |
| 664 |
|
| 665 |
// bytes 1 to 4 are the type and have already been read.
|
| 666 |
// bytes 4 to 12 are the X coordinate
|
| 667 |
in.order(ByteOrder.LITTLE_ENDIAN);
|
| 668 |
tempPoint.setLocation(in.getDouble(), in.getDouble()); |
| 669 |
|
| 670 |
return tempPoint;
|
| 671 |
} |
| 672 |
|
| 673 |
/**
|
| 674 |
* Lee un rect?ngulo del fichero.
|
| 675 |
*
|
| 676 |
* @param in ByteBuffer.
|
| 677 |
*
|
| 678 |
* @return Rect?ngulo.
|
| 679 |
*
|
| 680 |
* @throws IOException
|
| 681 |
*/
|
| 682 |
private Rectangle2D.Double readRectangle(ByteBuffer in) |
| 683 |
throws IOException { |
| 684 |
Rectangle2D.Double tempRect = new Rectangle2D.Double(); |
| 685 |
in.order(ByteOrder.LITTLE_ENDIAN);
|
| 686 |
tempRect.x = in.getDouble(); |
| 687 |
tempRect.y = in.getDouble(); |
| 688 |
|
| 689 |
tempRect.width = in.getDouble() - tempRect.x; |
| 690 |
|
| 691 |
if (tempRect.width == 0) { |
| 692 |
tempRect.width = 0.2;
|
| 693 |
tempRect.x -= 0.1;
|
| 694 |
} |
| 695 |
|
| 696 |
tempRect.height = in.getDouble() - tempRect.y; |
| 697 |
|
| 698 |
if (tempRect.height == 0) { |
| 699 |
tempRect.height = 0.2;
|
| 700 |
tempRect.y -= 0.1;
|
| 701 |
} |
| 702 |
|
| 703 |
return tempRect;
|
| 704 |
} |
| 705 |
|
| 706 |
/**
|
| 707 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getFullExtent()
|
| 708 |
*/
|
| 709 |
public Rectangle2D getFullExtent() throws IOException { |
| 710 |
return extent;
|
| 711 |
} |
| 712 |
|
| 713 |
/**
|
| 714 |
* Obtiene el extent del shape a partir de un ?ndice.
|
| 715 |
*
|
| 716 |
* @param index ?ndice.
|
| 717 |
*
|
| 718 |
* @return Rect?ngulo.
|
| 719 |
*
|
| 720 |
* @throws IOException
|
| 721 |
*
|
| 722 |
* @see com.iver.cit.gvsig.fmap.drivers.BoundedShapes#getShapeBounds()
|
| 723 |
*/
|
| 724 |
public Rectangle2D getShapeBounds(int index) throws IOException { |
| 725 |
Point2D p = new Point2D.Double(); |
| 726 |
Rectangle2D BoundingBox = new Rectangle2D.Double(); |
| 727 |
bb.position(m_posShapes[index]); |
| 728 |
bb.order(ByteOrder.LITTLE_ENDIAN);
|
| 729 |
|
| 730 |
int tipoShape = bb.getInt();
|
| 731 |
|
| 732 |
if (tipoShape != SHP.NULL) {
|
| 733 |
type = tipoShape; |
| 734 |
} |
| 735 |
|
| 736 |
// retrieve that shape.
|
| 737 |
// tempRecord.setShape(readShape(tempShapeType, tempContentLength, in));
|
| 738 |
switch (tipoShape) {
|
| 739 |
case (SHP.POINT2D):
|
| 740 |
case (SHP.POINT3D):
|
| 741 |
p = readPoint(bb); |
| 742 |
BoundingBox = new Rectangle2D.Double(p.getX() - 0.1, |
| 743 |
p.getY() - 0.1, 0.2, 0.2); |
| 744 |
|
| 745 |
break;
|
| 746 |
|
| 747 |
case (SHP.POLYLINE2D):
|
| 748 |
case (SHP.POLYGON2D):
|
| 749 |
case (SHP.MULTIPOINT2D):
|
| 750 |
case (SHP.POLYLINE3D):
|
| 751 |
case (SHP.POLYGON3D):
|
| 752 |
case (SHP.MULTIPOINT3D):
|
| 753 |
|
| 754 |
// BoundingBox
|
| 755 |
BoundingBox = readRectangle(bb); |
| 756 |
|
| 757 |
break;
|
| 758 |
} |
| 759 |
|
| 760 |
return BoundingBox;
|
| 761 |
} |
| 762 |
|
| 763 |
/**
|
| 764 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#accept(java.io.File)
|
| 765 |
*/
|
| 766 |
public boolean accept(File f) { |
| 767 |
return (f.getName().toUpperCase().endsWith("SHP")); |
| 768 |
} |
| 769 |
|
| 770 |
/**
|
| 771 |
* @see com.hardcode.driverManager.Driver#getType()
|
| 772 |
*/
|
| 773 |
public String getName() { |
| 774 |
return "gvSIG shp driver"; |
| 775 |
} |
| 776 |
|
| 777 |
/**
|
| 778 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getDataDriverName()
|
| 779 |
*/
|
| 780 |
public String getDataDriverName() { |
| 781 |
return "gdbms dbf driver"; |
| 782 |
} |
| 783 |
|
| 784 |
/**
|
| 785 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver#getDataFile(java.io.File)
|
| 786 |
*/
|
| 787 |
public File getDataFile(File f) { |
| 788 |
String str = f.getAbsolutePath();
|
| 789 |
|
| 790 |
return new File(str.substring(0, str.length() - 3) + "dbf"); |
| 791 |
} |
| 792 |
|
| 793 |
/* (non-Javadoc)
|
| 794 |
* @see com.iver.cit.gvsig.fmap.drivers.BoundedShapes#getShapeType(int)
|
| 795 |
*/
|
| 796 |
public int getShapeType(int index) { |
| 797 |
// Por ahora todos los fichero .shp contienen
|
| 798 |
// entidades del mismo tipo. Si trabajamos con
|
| 799 |
// alguno mixto, tendremos que cambiar esta funci?n.
|
| 800 |
return getShapeType();
|
| 801 |
} |
| 802 |
|
| 803 |
/* (non-Javadoc)
|
| 804 |
* @see com.iver.cit.gvsig.fmap.drivers.VectorialDriver#getDriverAttributes()
|
| 805 |
*/
|
| 806 |
public DriverAttributes getDriverAttributes() {
|
| 807 |
// TODO Auto-generated method stub
|
| 808 |
return null; |
| 809 |
} |
| 810 |
} |