root / trunk / libraries / libFMap / src / com / iver / cit / gvsig / fmap / operations / strategies / ShpStrategy.java @ 3601
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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.operations.strategies; |
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import java.awt.Graphics2D; |
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import java.awt.geom.Point2D; |
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import java.awt.geom.Rectangle2D; |
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import java.awt.image.BufferedImage; |
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import java.io.IOException; |
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import java.util.BitSet; |
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import java.util.List; |
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import org.apache.log4j.Logger; |
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import org.cresques.cts.ICoordTrans; |
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import org.geotools.resources.geometry.XRectangle2D; |
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import com.iver.cit.gvsig.fmap.DriverException; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.v02.FSymbol; |
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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.DriverIOException; |
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import com.iver.cit.gvsig.fmap.drivers.VectorialFileDriver; |
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import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.layers.VectorialAdapter; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.AlphanumericData; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.ClassifiableVectorial; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.Selectable; |
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import com.iver.cit.gvsig.fmap.layers.layerOperations.SingleLayer; |
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import com.iver.cit.gvsig.fmap.operations.Cancellable; |
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import com.iver.cit.gvsig.fmap.rendering.ClassifiedLegendInfo; |
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import com.iver.cit.gvsig.fmap.rendering.VectorialLegend; |
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import com.iver.cit.gvsig.fmap.rendering.styling.FStyle2D; |
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import com.vividsolutions.jts.geom.Coordinate; |
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import com.vividsolutions.jts.geom.Envelope; |
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import com.vividsolutions.jts.geom.Geometry; |
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import com.vividsolutions.jts.geom.IntersectionMatrix; |
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/**
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* Esta clase definir? las operaciones de la interfaz FLyrVect de la manera m?s
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* ?ptima para los ficheros shp.
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*/
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public class ShpStrategy extends DefaultStrategy { |
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private static Logger logger = Logger.getLogger(ShpStrategy.class.getName()); |
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/**
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* Crea una ShpStrategy.
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*
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* @param capa
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*/
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public ShpStrategy(FLayer capa) {
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super(capa);
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} |
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/**
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* @see com.iver.cit.gvsig.fmap.operations.LayerOperations#draw(java.awt.image.BufferedImage,
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* java.awt.Graphics2D, FStyle2D)
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*/
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public void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, |
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Cancellable cancel) throws DriverException {
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try {
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VectorialAdapter adapter = ((SingleLayer) getCapa()).getSource(); |
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if (adapter.getShapeCount() <= 0) |
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{
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logger.debug("Layer:" + getCapa().getName() + " sin registros"); |
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return;
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} |
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Selectable selection = (Selectable) getCapa(); |
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FLyrVect lyr = (FLyrVect) getCapa(); |
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ICoordTrans ct = getCapa().getCoordTrans(); |
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BitSet bitSet = selection.getSelection();
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BoundedShapes shapeBounds = (BoundedShapes) adapter.getDriver(); |
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// VectorialFileDriver driver = (VectorialFileDriver) adapter.getDriver();
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// logger.debug("adapter.start() -> Layer:" + getCapa().getName());
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adapter.start(); |
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IGeometry geom; |
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if (adapter.getShapeCount()>0){ |
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geom = adapter.getShape(0);
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} |
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VectorialLegend l = (VectorialLegend) ((ClassifiableVectorial) getCapa()).getLegend(); |
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if (l instanceof ClassifiedLegendInfo) { |
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ClassifiedLegendInfo clsfLegend = (ClassifiedLegendInfo) l; |
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FSymbol[] symbs = clsfLegend.getSymbols();
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//double rSym = 0;
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//double maxRSym = -1;
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for (int i = 0; i < symbs.length; i++) { |
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// TODO: REVISAR LOS SIMBOLOS Y SUS TAMA?OS
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/* Style2D pointSymbol = symbs[i].getPointStyle2D();
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if (pointSymbol instanceof MarkStyle2D)
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{
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MarkStyle2D mrk2D = (MarkStyle2D) pointSymbol;
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rSym = viewPort.toMapDistance(mrk2D.getSize());
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if (maxRSym < rSym)
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maxRSym = rSym;
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}*/
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} |
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} |
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Rectangle2D extent = viewPort.getAdjustedExtent();
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//AffineTransform at = viewPort.getAffineTransform();
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int sc;
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Rectangle2D bounds;
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long t1 = System.currentTimeMillis(); |
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// logger.debug("getCapa().getRecordset().start()");
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((AlphanumericData) getCapa()).getRecordset().start(); |
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// TODO: A revisar si es o no conveniente este sistema
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// de comunicaci?n con los drivers.
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DriverAttributes attr = adapter.getDriverAttributes(); |
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boolean bMustClone = false; |
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if (attr != null) |
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{
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if (attr.isLoadedInMemory())
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{
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bMustClone = attr.isLoadedInMemory(); |
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} |
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} |
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List lstIndexes = null; |
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// If area of needed extent is less than fullExtent / 4,
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// it will be worthy to use SpatialIndex.
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// Otherwhise, we will not use it.
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boolean bUseSpatialIndex = false; |
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sc = adapter.getShapeCount(); |
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if (lyr.getSpatialIndex() != null) |
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{
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double areaExtent = extent.getWidth() * extent.getHeight();
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double areaFullExtent = lyr.getFullExtent().getWidth() *
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lyr.getFullExtent().getHeight(); |
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if (areaExtent < (areaFullExtent / 4.0)) |
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{
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Coordinate c1 = new Coordinate(extent.getMinX(), extent.getMinY());
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Coordinate c2 = new Coordinate(extent.getMaxX(), extent.getMaxY());
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Envelope env = new Envelope(c1, c2);
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lstIndexes = lyr.getSpatialIndex().query(env); |
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sc = lstIndexes.size(); |
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bUseSpatialIndex = true;
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} |
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} |
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int i;
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for (int aux = 0; aux < sc; aux++) { |
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// Salimos si alguien cancela
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if (cancel.isCanceled()) {
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break;
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} |
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if (bUseSpatialIndex)
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{
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Integer idRec = (Integer) lstIndexes.get(aux); |
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i = idRec.intValue(); |
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} |
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else
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{
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i = aux; |
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} |
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bounds = shapeBounds.getShapeBounds(i); |
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if (ct != null) { |
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bounds = ct.convert(bounds); |
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} |
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if (XRectangle2D.intersectInclusive(extent, bounds)) {
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FSymbol symbol = l.getSymbol(i); |
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if (bitSet.get(i)) {
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symbol = FSymbol.getSymbolForSelection(symbol); |
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} |
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boolean bPoint = (shapeBounds.getShapeType(i) == FShape.POINT);
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if (bPoint ||
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((bounds.getHeight() > viewPort.getDist1pixel()) || |
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(bounds.getWidth() > viewPort.getDist1pixel()))) {
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geom = adapter.getShape(i); |
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// PRUEBA DE VELOCIDAD
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// geom = ShapeFactory.createPolygon2D(new GeneralPathX(bounds));
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if (ct != null) { |
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if (bMustClone)
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geom = geom.cloneGeometry(); |
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geom.reProject(ct); |
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} |
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// FJP: CAMBIO: Sabemos que vamos a dibujar sobre una
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// imagen, con coordenadas enteras, as?
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// que lo tenemos en cuenta.
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// ANTES: geom.draw(g, viewPort, symbol);
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// AHORA:
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geom.drawInts(g, viewPort, symbol); |
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// geom.draw(g, viewPort, symbol);
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} else {
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Point2D.Double pOrig = new Point2D.Double(bounds.getMinX(), |
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bounds.getMinY()); |
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Point2D pDest, pDest2;
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pDest = viewPort.getAffineTransform().transform(pOrig, null);
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pDest2 = g.getTransform().transform(pDest, null);
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int pixX = (int) pDest2.getX(); |
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int pixY = (int) pDest2.getY(); |
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if (symbol ==null) |
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continue;
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if ((pixX > 0) && (pixX < image.getWidth())) { |
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if ((pixY > 0) && (pixY < image.getHeight())) { |
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image.setRGB(pixX, pixY, symbol.getRgb()); |
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} |
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} |
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} |
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} |
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} |
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// logger.debug("getCapa().getRecordset().stop()");
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((AlphanumericData) getCapa()).getRecordset().stop(); |
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long t2 = System.currentTimeMillis(); |
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// logger.debug("adapter.stop()");
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adapter.stop(); |
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// System.out.println(t2 - t1);
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} catch (DriverIOException e) {
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throw new DriverException(e); |
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} catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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throw new DriverException(e); |
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} catch (DriverException e) {
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throw new DriverException(e); |
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} catch (IOException e) { |
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throw new DriverException(e); |
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} |
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} |
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/**
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* M?todo utilizado para dibujar sobre el graphics que se pasa como
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* par?metro, pensado para utilizarse para imprimir.
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*
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* @param g Graphics2D
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* @param viewPort ViewPort.
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* @param cancel
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*
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* @throws DriverException
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*/
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public void print(Graphics2D g, ViewPort viewPort, Cancellable cancel) |
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throws DriverException {
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// super.draw(null, g, viewPort, cancel); // Quiero ejecutar el draw del padre, que es el que va sin acelaraci?n!!
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try {
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VectorialAdapter adapter = ((SingleLayer) getCapa()).getSource(); |
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if (adapter.getShapeCount() <= 0) |
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{
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logger.debug("Layer:" + getCapa().getName() + " sin registros"); |
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return;
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} |
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Selectable selection = (Selectable) getCapa(); |
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ICoordTrans ct = getCapa().getCoordTrans(); |
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BitSet bitSet = selection.getSelection();
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BoundedShapes shapeBounds = (BoundedShapes) adapter.getDriver(); |
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VectorialFileDriver driver = (VectorialFileDriver) adapter.getDriver(); |
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// logger.debug("adapter.start() -> Layer:" + getCapa().getName());
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adapter.start(); |
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IGeometry geom; |
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if (adapter.getShapeCount()>0){ |
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geom = adapter.getShape(0);
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} |
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VectorialLegend l = (VectorialLegend) ((ClassifiableVectorial) getCapa()).getLegend(); |
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Rectangle2D extent = viewPort.getAdjustedExtent();
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//AffineTransform at = viewPort.getAffineTransform();
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int sc;
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Rectangle2D bounds;
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sc = adapter.getShapeCount(); |
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long t1 = System.currentTimeMillis(); |
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// logger.debug("getCapa().getRecordset().start()");
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((AlphanumericData) getCapa()).getRecordset().start(); |
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// TODO: A revisar si es o no conveniente este sistema
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// de comunicaci?n con los drivers.
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DriverAttributes attr = adapter.getDriverAttributes(); |
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boolean bMustClone = false; |
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if (attr != null) |
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{
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if (attr.isLoadedInMemory())
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{
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bMustClone = attr.isLoadedInMemory(); |
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} |
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} |
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for (int i = 0; i < sc; i++) { |
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bounds = shapeBounds.getShapeBounds(i); |
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if (ct != null) { |
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bounds = ct.convert(bounds); |
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} |
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if (XRectangle2D.intersectInclusive(extent, bounds)) {
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FSymbol symbol = l.getSymbol(i); |
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if (bitSet.get(i)) {
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symbol = FSymbol.getSymbolForSelection(symbol); |
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} |
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boolean bPoint = (shapeBounds.getShapeType(i) == FShape.POINT);
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geom = driver.getShape(i); |
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// PRUEBA DE VELOCIDAD
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// geom = ShapeFactory.createPolygon2D(new GeneralPathX(bounds));
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if (ct != null) { |
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if (bMustClone)
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geom = geom.cloneGeometry(); |
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geom.reProject(ct); |
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} |
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geom.draw(g, viewPort, symbol); |
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} |
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} |
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// logger.debug("getCapa().getRecordset().stop()");
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((AlphanumericData) getCapa()).getRecordset().stop(); |
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long t2 = System.currentTimeMillis(); |
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// logger.debug("adapter.stop()");
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adapter.stop(); |
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// System.out.println(t2 - t1);
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} catch (DriverIOException e) {
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throw new DriverException(e); |
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} catch (com.hardcode.gdbms.engine.data.driver.DriverException e) {
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throw new DriverException(e); |
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} catch (DriverException e) {
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throw new DriverException(e); |
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} catch (IOException e) { |
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throw new DriverException(e); |
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} |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByShape(com.iver.cit.gvsig.fmap.core.IGeometry, int)
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*/
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public FBitSet queryByShape(IGeometry g, int relationship) |
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throws DriverException, VisitException {
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// Si hay un ?ndice espacial, lo usamos para hacer el query.
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FLyrVect lyr = (FLyrVect) capa; |
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if (lyr.getSpatialIndex() == null) |
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return super.queryByShape(g, relationship); |
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long t1 = System.currentTimeMillis(); |
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VectorialAdapter va = lyr.getSource(); |
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ICoordTrans ct = lyr.getCoordTrans(); |
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Rectangle2D bounds = g.getBounds2D();
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Coordinate c1 = new Coordinate(bounds.getMinX(), bounds.getMinY());
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Coordinate c2 = new Coordinate(bounds.getMaxX(), bounds.getMaxY());
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Envelope env = new Envelope(c1, c2);
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List lstRecs = lyr.getSpatialIndex().query(env);
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Integer idRec;
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FBitSet bitset = new FBitSet();
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Geometry jtsShape = g.toJTSGeometry(); |
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IntersectionMatrix m; |
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int index;
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try {
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va.start(); |
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for (int i=0; i < lstRecs.size(); i++) |
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{
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idRec = (Integer) lstRecs.get(i);
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index = idRec.intValue(); |
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IGeometry geom = va.getShape(index); |
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if (ct != null) { |
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geom.reProject(ct); |
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} |
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Geometry jtsGeom = geom.toJTSGeometry(); |
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switch (relationship) {
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case CONTAINS:
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m = jtsShape.relate(jtsGeom); |
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if (m.isContains()) {
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bitset.set(index, true);
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} |
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break;
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case CROSSES:
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m = jtsShape.relate(jtsGeom); |
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if (m.isCrosses(jtsGeom.getDimension(), jtsShape.getDimension())) {
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bitset.set(index, true);
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} |
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break;
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case DISJOINT:
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// TODO: CREO QUE EL DISJOINT NO SE PUEDE METER AQUI
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m = jtsShape.relate(jtsGeom); |
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if (m.isDisjoint()) {
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bitset.set(index, true);
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} |
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break;
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|
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case EQUALS:
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m = jtsShape.relate(jtsGeom); |
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if (m.isEquals(jtsGeom.getDimension(), jtsShape.getDimension())) {
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bitset.set(index, true);
|
| 459 |
} |
| 460 |
break;
|
| 461 |
|
| 462 |
case INTERSECTS:
|
| 463 |
m = jtsShape.relate(jtsGeom); |
| 464 |
if (m.isIntersects()) {
|
| 465 |
bitset.set(index, true);
|
| 466 |
} |
| 467 |
break;
|
| 468 |
|
| 469 |
case OVERLAPS:
|
| 470 |
m = jtsShape.relate(jtsGeom); |
| 471 |
if (m.isOverlaps(jtsGeom.getDimension(), jtsShape.getDimension()))
|
| 472 |
{
|
| 473 |
bitset.set(index, true);
|
| 474 |
} |
| 475 |
|
| 476 |
break;
|
| 477 |
|
| 478 |
case TOUCHES:
|
| 479 |
m = jtsShape.relate(jtsGeom); |
| 480 |
if (m.isTouches(jtsGeom.getDimension(), jtsShape.getDimension()))
|
| 481 |
{
|
| 482 |
bitset.set(index, true);
|
| 483 |
} |
| 484 |
|
| 485 |
break;
|
| 486 |
|
| 487 |
case WITHIN:
|
| 488 |
m = jtsShape.relate(jtsGeom); |
| 489 |
if (m.isWithin()) {
|
| 490 |
bitset.set(index, true);
|
| 491 |
} |
| 492 |
|
| 493 |
break;
|
| 494 |
} |
| 495 |
} |
| 496 |
va.stop(); |
| 497 |
} catch (DriverIOException e) {
|
| 498 |
// TODO Auto-generated catch block
|
| 499 |
e.printStackTrace(); |
| 500 |
} |
| 501 |
long t2 = System.currentTimeMillis(); |
| 502 |
logger.debug("queryByShape optimizado sobre la capa " + lyr.getName() + ". " + (t2-t1) + " mseg."); |
| 503 |
return bitset;
|
| 504 |
} |
| 505 |
public FBitSet queryByRect(Rectangle2D rect) throws DriverException { |
| 506 |
// Si hay un ?ndice espacial, lo usamos para hacer el query.
|
| 507 |
FLyrVect lyr = (FLyrVect) capa; |
| 508 |
if (lyr.getSpatialIndex() == null) |
| 509 |
return super.queryByRect(rect); |
| 510 |
|
| 511 |
VectorialAdapter va = lyr.getSource(); |
| 512 |
ICoordTrans ct = lyr.getCoordTrans(); |
| 513 |
Rectangle2D bounds = rect;
|
| 514 |
Coordinate c1 = new Coordinate(bounds.getMinX(), bounds.getMinY());
|
| 515 |
Coordinate c2 = new Coordinate(bounds.getMaxX(), bounds.getMaxY());
|
| 516 |
Envelope env = new Envelope(c1, c2);
|
| 517 |
|
| 518 |
List lstRecs = lyr.getSpatialIndex().query(env);
|
| 519 |
Integer idRec;
|
| 520 |
FBitSet bitset = new FBitSet();
|
| 521 |
int index;
|
| 522 |
try {
|
| 523 |
va.start(); |
| 524 |
|
| 525 |
for (int i=0; i < lstRecs.size(); i++) |
| 526 |
{
|
| 527 |
idRec = (Integer) lstRecs.get(i);
|
| 528 |
index = idRec.intValue(); |
| 529 |
IGeometry geom = va.getShape(index); |
| 530 |
if (ct != null) { |
| 531 |
geom.reProject(ct); |
| 532 |
} |
| 533 |
if (geom.intersects(rect))
|
| 534 |
bitset.set(index, true);
|
| 535 |
} |
| 536 |
va.stop(); |
| 537 |
} catch (DriverIOException e) {
|
| 538 |
// TODO Auto-generated catch block
|
| 539 |
e.printStackTrace(); |
| 540 |
} |
| 541 |
return bitset;
|
| 542 |
|
| 543 |
} |
| 544 |
|
| 545 |
/* (non-Javadoc)
|
| 546 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByPoint(java.awt.geom.Point2D, double)
|
| 547 |
*/
|
| 548 |
public FBitSet queryByPoint(Point2D p, double tolerance) |
| 549 |
throws DriverException {
|
| 550 |
// TODO: OJO!!!!. Est? implementado como un rectangulo.
|
| 551 |
// Lo correcto deber?a ser calculando las distancias reales
|
| 552 |
// es decir, con un c?rculo.
|
| 553 |
Rectangle2D recPoint = new Rectangle2D.Double(p.getX() - (tolerance / 2), |
| 554 |
p.getY() - (tolerance / 2), tolerance, tolerance);
|
| 555 |
return queryByRect(recPoint);
|
| 556 |
} |
| 557 |
} |