svn-gvsig-desktop / tags / v1_0_RELEASE / libraries / libFMap / src / com / iver / cit / gvsig / fmap / operations / strategies / ShpStrategy.java @ 9167
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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 javax.print.attribute.PrintRequestAttributeSet; |
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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.hardcode.driverManager.DriverLoadException; |
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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.ISymbol; |
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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.ReadableVectorial; |
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import com.iver.cit.gvsig.fmap.layers.SpatialCache; |
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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.rendering.ClassifiedLegendInfo; |
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import com.iver.cit.gvsig.fmap.rendering.VectorialLegend; |
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import com.iver.utiles.swing.threads.Cancellable; |
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import com.iver.utiles.swing.threads.CancellableMonitorable; |
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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 |
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.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, ISymbol)
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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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ReadableVectorial adapter = ((SingleLayer) getCapa()).getSource(); |
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if (adapter.getShapeCount() <= 0) { |
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// logger.info("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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Selectable selectable = lyr.getRecordset(); |
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ICoordTrans ct = getCapa().getCoordTrans(); |
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FBitSet bitSet = selectable.getSelection(); |
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BoundedShapes shapeBounds; |
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if (adapter instanceof BoundedShapes) |
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shapeBounds = (BoundedShapes) adapter; |
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else
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shapeBounds = (BoundedShapes) adapter.getDriver(); |
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// VectorialFileDriver driver = (VectorialFileDriver)
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// 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()) |
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.getLegend(); |
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if (l instanceof ClassifiedLegendInfo) { |
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ClassifiedLegendInfo clsfLegend = (ClassifiedLegendInfo) l; |
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ISymbol[] 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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/*
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* Style2D pointSymbol = symbs[i].getPointStyle2D(); if
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* (pointSymbol instanceof MarkStyle2D) { MarkStyle2D mrk2D =
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* (MarkStyle2D) pointSymbol; rSym =
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* viewPort.toMapDistance(mrk2D.getSize()); if (maxRSym <
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* rSym) 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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((FLyrVect) 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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if (attr.isLoadedInMemory()) {
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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) AZABALA
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// long t11 = System.currentTimeMillis();
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if (lyr.getISpatialIndex() != null) { |
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if (isSpatialIndexNecessary(extent)) {
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lstIndexes = lyr.getISpatialIndex().query(extent); |
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// If the layer is reprojected, spatial index was created
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// in its own projection, so we must to apply an inverse
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// transform
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if (ct != null) { |
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Rectangle2D newExtent = ct.getInverted()
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.convert(extent); |
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// Rectangle2D newExtent = ct.convert(extent);
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// lstIndexes = lyr.getISpatialIndex().query(extent);
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lstIndexes = lyr.getISpatialIndex().query(newExtent); |
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} else {
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lstIndexes = lyr.getISpatialIndex().query(extent); |
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} |
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sc = lstIndexes.size(); |
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bUseSpatialIndex = true;
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}// if
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}// if
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/*
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* long t12 = System.currentTimeMillis(); System.out.println("Tiempo
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* en mirar el ?ndice espacial y recuperar los ?ndices:" +
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* (t12-t11)); System.out.println("Numero de ?ndices:" + sc);
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*/
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// SpatialCache cache = lyr.createSpatialCache();
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lyr.getSpatialCache().clearAll(); |
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SpatialCache cache = lyr.getSpatialCache(); |
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int i;
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//En OS X con renderer Quartz (JRE<6), mezclar setRGB con dibujado geometrico en mismo BufferedImage
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//provoca ralentizaci?n brutal. Lo evitamos separando los setRGB en otro BufferedImage y juntandolos luego.
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boolean MAC_OS_X = System.getProperty("os.name").toLowerCase().startsWith("mac os x"); |
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BufferedImage auxBI = null; |
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if (MAC_OS_X) {
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auxBI = new BufferedImage(image.getWidth(), image.getHeight(), image.getType()); |
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} |
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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 != null) { |
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// azabala (por si acaso, al arreglar bug de process)
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if (cancel.isCanceled()) {
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break;
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} |
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} |
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if (bUseSpatialIndex) {
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Integer idRec = (Integer) lstIndexes.get(aux); |
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i = idRec.intValue(); |
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} else {
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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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ISymbol symbol = l.getSymbol(i); |
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if (bitSet.get(i)) {
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symbol = symbol.getSymbolForSelection(); |
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} |
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if (symbol == null) |
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continue;
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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()) || (bounds |
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.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
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// 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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if (lyr.isSpatialCacheEnabled()) {
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if (cache.getMaxFeatures() >= cache.size()) {
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// Ya reproyectado todo
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cache.insert(bounds, geom); |
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} |
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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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/*
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* if (lyr.isEditing()) { if (bitSet.get(i)) { Handler[]
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* handlers = geom.getHandlers(IGeometry.SELECTHANDLER);
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* FGraphicUtilities.DrawHandlers(g,
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* viewPort.getAffineTransform(), handlers); } }
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*/
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} else {
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Point2D.Double pOrig = new Point2D.Double(bounds |
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.getMinX(), bounds.getMinY()); |
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Point2D pDest, pDest2;
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pDest = viewPort.getAffineTransform().transform(pOrig, |
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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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if (MAC_OS_X) {
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auxBI.setRGB(pixX, pixY, symbol.getOnePointRgb()); |
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} else {
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image.setRGB(pixX, pixY, symbol.getOnePointRgb()); |
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} |
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} |
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} |
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} |
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} |
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} |
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if (MAC_OS_X) {
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g.drawImage(auxBI,0,0,null); |
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} |
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// logger.debug("getCapa().getRecordset().stop()");
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((FLyrVect) getCapa()).getSource().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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} catch (DriverLoadException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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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
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* Graphics2D
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* @param viewPort
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* 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, PrintRequestAttributeSet printProperties) |
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throws DriverException {
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// super.draw(null, g, viewPort, cancel); // Quiero ejecutar el draw del
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// padre, que es el que va sin acelaraci?n!!
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try {
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ReadableVectorial adapter = ((SingleLayer) getCapa()).getSource(); |
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if (adapter.getShapeCount() <= 0) { |
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// logger.info("Layer:" + getCapa().getName() + " sin registros");
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return;
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} |
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FLyrVect lyr = (FLyrVect) getCapa(); |
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lyr.beforePrinting(printProperties); |
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Selectable selectable = lyr.getRecordset(); |
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ICoordTrans ct = getCapa().getCoordTrans(); |
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BitSet bitSet = selectable.getSelection();
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BoundedShapes shapeBounds = (BoundedShapes) adapter.getDriver(); |
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VectorialFileDriver driver = (VectorialFileDriver) adapter |
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.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()) |
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.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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if (attr.isLoadedInMemory()) {
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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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ISymbol symbol = l.getSymbol(i); |
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if (symbol == null) |
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continue;
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if (bitSet.get(i)) {
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symbol = symbol.getSymbolForSelection(); |
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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
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// 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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lyr.afterPrinting(); |
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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); |
| 452 |
} |
| 453 |
|
| 454 |
|
| 455 |
} |
| 456 |
|
| 457 |
public FBitSet queryByShape(IGeometry g, int relationship) |
| 458 |
throws DriverException, VisitException {
|
| 459 |
return queryByShape(g, relationship, null); |
| 460 |
} |
| 461 |
|
| 462 |
/*
|
| 463 |
* (non-Javadoc)
|
| 464 |
*
|
| 465 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByShape(com.iver.cit.gvsig.fmap.core.IGeometry,
|
| 466 |
* int)
|
| 467 |
*/
|
| 468 |
public FBitSet queryByShape(IGeometry g, int relationship, |
| 469 |
CancellableMonitorable cancel) throws DriverException,
|
| 470 |
VisitException {
|
| 471 |
// Si hay un ?ndice espacial, lo usamos para hacer el query.
|
| 472 |
FLyrVect lyr = (FLyrVect) capa; |
| 473 |
// if (lyr.getSpatialIndex() == null) AZABALA
|
| 474 |
if (lyr.getISpatialIndex() == null) |
| 475 |
return super.queryByShape(g, relationship, null); |
| 476 |
|
| 477 |
long t1 = System.currentTimeMillis(); |
| 478 |
ReadableVectorial va = lyr.getSource(); |
| 479 |
ICoordTrans ct = lyr.getCoordTrans(); |
| 480 |
Rectangle2D bounds = g.getBounds2D();
|
| 481 |
List lstRecs = lyr.getISpatialIndex().query(bounds);
|
| 482 |
Integer idRec;
|
| 483 |
FBitSet bitset = new FBitSet();
|
| 484 |
Geometry jtsShape = g.toJTSGeometry(); |
| 485 |
IntersectionMatrix m; |
| 486 |
int index;
|
| 487 |
try {
|
| 488 |
va.start(); |
| 489 |
|
| 490 |
for (int i = 0; i < lstRecs.size(); i++) { |
| 491 |
if (cancel != null) { |
| 492 |
cancel.reportStep(); |
| 493 |
if (cancel.isCanceled()) {
|
| 494 |
break;
|
| 495 |
} |
| 496 |
} |
| 497 |
idRec = (Integer) lstRecs.get(i);
|
| 498 |
index = idRec.intValue(); |
| 499 |
IGeometry geom = va.getShape(index); |
| 500 |
if(geom == null) |
| 501 |
continue;
|
| 502 |
if (ct != null) { |
| 503 |
geom.reProject(ct); |
| 504 |
} |
| 505 |
Geometry jtsGeom = geom.toJTSGeometry(); |
| 506 |
switch (relationship) {
|
| 507 |
case CONTAINS:
|
| 508 |
m = jtsShape.relate(jtsGeom); |
| 509 |
if (m.isContains()) {
|
| 510 |
bitset.set(index, true);
|
| 511 |
} |
| 512 |
break;
|
| 513 |
|
| 514 |
case CROSSES:
|
| 515 |
m = jtsShape.relate(jtsGeom); |
| 516 |
if (m.isCrosses(jtsGeom.getDimension(), jtsShape
|
| 517 |
.getDimension())) {
|
| 518 |
bitset.set(index, true);
|
| 519 |
} |
| 520 |
break;
|
| 521 |
|
| 522 |
case DISJOINT:
|
| 523 |
// TODO: CREO QUE EL DISJOINT NO SE PUEDE METER AQUI
|
| 524 |
m = jtsShape.relate(jtsGeom); |
| 525 |
if (m.isDisjoint()) {
|
| 526 |
bitset.set(index, true);
|
| 527 |
} |
| 528 |
break;
|
| 529 |
|
| 530 |
case EQUALS:
|
| 531 |
m = jtsShape.relate(jtsGeom); |
| 532 |
if (m.isEquals(jtsGeom.getDimension(), jtsShape
|
| 533 |
.getDimension())) {
|
| 534 |
bitset.set(index, true);
|
| 535 |
} |
| 536 |
break;
|
| 537 |
|
| 538 |
case INTERSECTS:
|
| 539 |
m = jtsShape.relate(jtsGeom); |
| 540 |
if (m.isIntersects()) {
|
| 541 |
bitset.set(index, true);
|
| 542 |
} |
| 543 |
break;
|
| 544 |
|
| 545 |
case OVERLAPS:
|
| 546 |
m = jtsShape.relate(jtsGeom); |
| 547 |
if (m.isOverlaps(jtsGeom.getDimension(), jtsShape
|
| 548 |
.getDimension())) {
|
| 549 |
bitset.set(index, true);
|
| 550 |
} |
| 551 |
|
| 552 |
break;
|
| 553 |
|
| 554 |
case TOUCHES:
|
| 555 |
m = jtsShape.relate(jtsGeom); |
| 556 |
if (m.isTouches(jtsGeom.getDimension(), jtsShape
|
| 557 |
.getDimension())) {
|
| 558 |
bitset.set(index, true);
|
| 559 |
} |
| 560 |
|
| 561 |
break;
|
| 562 |
|
| 563 |
case WITHIN:
|
| 564 |
m = jtsShape.relate(jtsGeom); |
| 565 |
if (m.isWithin()) {
|
| 566 |
bitset.set(index, true);
|
| 567 |
} |
| 568 |
|
| 569 |
break;
|
| 570 |
} |
| 571 |
} |
| 572 |
va.stop(); |
| 573 |
} catch (DriverIOException e) {
|
| 574 |
// TODO Auto-generated catch block
|
| 575 |
e.printStackTrace(); |
| 576 |
} |
| 577 |
long t2 = System.currentTimeMillis(); |
| 578 |
// logger.info("queryByShape optimizado sobre la capa " + lyr.getName()
|
| 579 |
// + ". " + (t2 - t1) + " mseg.");
|
| 580 |
return bitset;
|
| 581 |
} |
| 582 |
|
| 583 |
public FBitSet queryByRect(Rectangle2D rect, CancellableMonitorable cancel) |
| 584 |
throws DriverException {
|
| 585 |
// Si hay un ?ndice espacial, lo usamos para hacer el query.
|
| 586 |
FLyrVect lyr = (FLyrVect) capa; |
| 587 |
if (lyr.getISpatialIndex() == null) |
| 588 |
return super.queryByRect(rect, cancel); |
| 589 |
|
| 590 |
ReadableVectorial va = lyr.getSource(); |
| 591 |
ICoordTrans ct = lyr.getCoordTrans(); |
| 592 |
Rectangle2D bounds = rect;
|
| 593 |
List lstRecs = lyr.getISpatialIndex().query(bounds);
|
| 594 |
Integer idRec;
|
| 595 |
FBitSet bitset = new FBitSet();
|
| 596 |
int index;
|
| 597 |
try {
|
| 598 |
va.start(); |
| 599 |
DriverAttributes attr = va.getDriverAttributes(); |
| 600 |
boolean bMustClone = false; |
| 601 |
if (attr != null) { |
| 602 |
if (attr.isLoadedInMemory()) {
|
| 603 |
bMustClone = attr.isLoadedInMemory(); |
| 604 |
} |
| 605 |
} |
| 606 |
|
| 607 |
for (int i = 0; i < lstRecs.size(); i++) { |
| 608 |
if (cancel != null) { |
| 609 |
cancel.reportStep(); |
| 610 |
if (cancel.isCanceled()) {
|
| 611 |
va.stop(); |
| 612 |
return bitset;
|
| 613 |
} |
| 614 |
} |
| 615 |
idRec = (Integer) lstRecs.get(i);
|
| 616 |
index = idRec.intValue(); |
| 617 |
IGeometry geom = va.getShape(index); |
| 618 |
if(geom == null)//azabala |
| 619 |
continue;
|
| 620 |
if (ct != null) { |
| 621 |
if (bMustClone)
|
| 622 |
geom = geom.cloneGeometry(); |
| 623 |
geom.reProject(ct); |
| 624 |
} |
| 625 |
if (geom.intersects(rect))
|
| 626 |
bitset.set(index, true);
|
| 627 |
} |
| 628 |
va.stop(); |
| 629 |
} catch (DriverIOException e) {
|
| 630 |
// TODO Auto-generated catch block
|
| 631 |
e.printStackTrace(); |
| 632 |
} |
| 633 |
return bitset;
|
| 634 |
|
| 635 |
} |
| 636 |
|
| 637 |
public void process(FeatureVisitor visitor, Rectangle2D rectangle) |
| 638 |
throws DriverException, VisitException {
|
| 639 |
process(visitor, rectangle, null);
|
| 640 |
} |
| 641 |
|
| 642 |
/**
|
| 643 |
* Processes (by calling visitor.process() method) only those features of
|
| 644 |
* the vectorial layer associated which intersects given rectangle2d.
|
| 645 |
*
|
| 646 |
*/
|
| 647 |
|
| 648 |
public void process(FeatureVisitor visitor, Rectangle2D rectangle, |
| 649 |
CancellableMonitorable cancel) throws DriverException,
|
| 650 |
VisitException {
|
| 651 |
if (visitor.start(capa)) {
|
| 652 |
FLyrVect lyr = (FLyrVect) capa; |
| 653 |
// if we dont have spatial index or...
|
| 654 |
if (lyr.getISpatialIndex() == null) { |
| 655 |
super.process(visitor, rectangle, cancel);
|
| 656 |
return;
|
| 657 |
} |
| 658 |
// if spatial index is not worthy
|
| 659 |
if (!isSpatialIndexNecessary(rectangle)) {
|
| 660 |
super.process(visitor, rectangle, cancel);
|
| 661 |
return;
|
| 662 |
} |
| 663 |
|
| 664 |
ReadableVectorial va = lyr.getSource(); |
| 665 |
ICoordTrans ct = lyr.getCoordTrans(); |
| 666 |
Rectangle2D bounds = rectangle;
|
| 667 |
List lstRecs = lyr.getISpatialIndex().query(bounds);
|
| 668 |
Integer idRec;
|
| 669 |
int index;
|
| 670 |
try {
|
| 671 |
va.start(); |
| 672 |
DriverAttributes attr = va.getDriverAttributes(); |
| 673 |
boolean bMustClone = false; |
| 674 |
if (attr != null) { |
| 675 |
if (attr.isLoadedInMemory()) {
|
| 676 |
bMustClone = attr.isLoadedInMemory(); |
| 677 |
} |
| 678 |
} |
| 679 |
|
| 680 |
for (int i = 0; i < lstRecs.size(); i++) { |
| 681 |
if (cancel != null) { |
| 682 |
cancel.reportStep(); |
| 683 |
} |
| 684 |
if (verifyCancelation(cancel, va, visitor))
|
| 685 |
return;
|
| 686 |
idRec = (Integer) lstRecs.get(i);
|
| 687 |
index = idRec.intValue(); |
| 688 |
IGeometry geom = va.getShape(index); |
| 689 |
if(geom == null)//azabala |
| 690 |
continue;
|
| 691 |
if (ct != null) { |
| 692 |
if (bMustClone)
|
| 693 |
geom = geom.cloneGeometry(); |
| 694 |
geom.reProject(ct); |
| 695 |
} |
| 696 |
if (geom.intersects(rectangle))
|
| 697 |
visitor.visit(geom, index); |
| 698 |
}// for
|
| 699 |
va.stop(); |
| 700 |
} catch (DriverIOException e) {
|
| 701 |
// TODO Auto-generated catch block
|
| 702 |
e.printStackTrace(); |
| 703 |
} |
| 704 |
}// if visitor.start
|
| 705 |
} |
| 706 |
|
| 707 |
/*
|
| 708 |
* (non-Javadoc)
|
| 709 |
*
|
| 710 |
* @see com.iver.cit.gvsig.fmap.operations.strategies.Strategy#queryByPoint(java.awt.geom.Point2D,
|
| 711 |
* double)
|
| 712 |
*/
|
| 713 |
public FBitSet queryByPoint(Point2D p, double tolerance, |
| 714 |
CancellableMonitorable cancel) throws DriverException {
|
| 715 |
// TODO: OJO!!!!. Est? implementado como un rectangulo.
|
| 716 |
// Lo correcto deber?a ser calculando las distancias reales
|
| 717 |
// es decir, con un c?rculo.
|
| 718 |
Rectangle2D recPoint = new Rectangle2D.Double(p.getX() |
| 719 |
- (tolerance / 2), p.getY() - (tolerance / 2), tolerance, |
| 720 |
tolerance); |
| 721 |
return queryByRect(recPoint, cancel);
|
| 722 |
} |
| 723 |
} |