root / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / impl / AbstractPrimitive.java @ 29972
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package org.gvsig.fmap.geom.primitive.impl; |
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import java.awt.Shape; |
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import java.awt.geom.AffineTransform; |
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import java.awt.geom.PathIterator; |
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import java.awt.geom.Point2D; |
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import java.io.Serializable; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.handler.Handler; |
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import org.gvsig.fmap.geom.operation.GeometryOperation; |
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import org.gvsig.fmap.geom.operation.GeometryOperationContext; |
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import org.gvsig.fmap.geom.operation.GeometryOperationException; |
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import org.gvsig.fmap.geom.operation.GeometryOperationNotSupportedException; |
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import org.gvsig.fmap.geom.operation.relationship.DefaultRelationshipGeometryOperationContext; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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import org.gvsig.fmap.geom.primitive.FShape; |
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import org.gvsig.fmap.geom.primitive.GeneralPathX; |
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import org.gvsig.fmap.geom.primitive.Primitive; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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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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/* CVS MESSAGES:
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*
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* $Id: AbstractGeometry.java,v 1.2 2008/03/25 08:47:41 cvs Exp $
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* $Log: AbstractGeometry.java,v $
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* Revision 1.2 2008/03/25 08:47:41 cvs
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* Visitors removed
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*
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* Revision 1.1 2008/03/12 08:46:20 cvs
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* *** empty log message ***
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*
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*
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*/
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/**
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* @author Jorge Piera Llodr? (jorge.piera@iver.es)
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*/
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public abstract class AbstractPrimitive implements Primitive, FShape, Serializable { |
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private static final Logger logger = LoggerFactory.getLogger(GeometryManager.class); |
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private static final long serialVersionUID = -4334977368955260872L; |
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protected String id = null; |
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protected IProjection projection = null; |
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protected GeometryType geometryType = null; |
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private static GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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/**
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* The constructor with the GeometryType like and argument
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* is used by the {@link GeometryType}{@link #create()}
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* to create the geometry
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* @param type
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* The geometry type
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*/
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public AbstractPrimitive(GeometryType geometryType) {
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this(geometryType, null, null); |
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} |
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AbstractPrimitive(int type, int subtype) { |
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try {
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geometryType = geomManager.getGeometryType(type, subtype); |
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} catch (Exception e) { |
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//TODO Not registered geometry
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geometryType = null;
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} |
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} |
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public AbstractPrimitive(GeometryType geometryType, String id, IProjection projection) { |
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super();
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this.id = id;
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this.projection = projection;
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this.geometryType = geometryType;
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} |
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public AbstractPrimitive(GeometryType geometryType, IProjection projection) {
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this(geometryType, null, projection); |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.Geometry#getGeometryType()
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*/
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public GeometryType getGeometryType() {
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return geometryType;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.Geometry#getType()
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*/
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public int getType() { |
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return geometryType.getType();
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} |
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/**
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* (non-Javadoc)
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* @see com.iver.cit.gvsig.fmap.core.Geometry#getInternalShape()
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* @deprecated this Geometry is a Shape.
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*/
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public Shape getInternalShape() { |
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return this; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.geometries.iso.AbstractGeometry#getId()
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*/
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public String getId() { |
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return id;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.geometries.iso.AbstractGeometry#getSRS()
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*/
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public IProjection getSRS() {
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return projection;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.geometries.iso.AbstractGeometry#transform(org.cresques.cts.IProjection)
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*/
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public AbstractPrimitive transform(IProjection newProjection) {
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Geometry newGeom = cloneGeometry(); |
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ICoordTrans coordTrans = projection.getCT(newProjection); |
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newGeom.reProject(coordTrans); |
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return (AbstractPrimitive)newGeom;
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} |
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/*
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* TODO adaptar metodo procedente de UtilFunctions
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*/
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public static void rotateGeom(Geometry geometry, double radAngle, double basex, double basey) { |
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AffineTransform at = new AffineTransform(); |
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at.rotate(radAngle,basex,basey); |
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geometry.transform(at); |
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} |
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/*
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* TODO adaptar metodo procedente de UtilFunctions
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*/
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public static void moveGeom(Geometry geometry, double dx, double dy) { |
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AffineTransform at = new AffineTransform(); |
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at.translate(dx, dy); |
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geometry.transform(at); |
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} |
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/*
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* TODO adaptar metodo procedente de UtilFunctions
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*/
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public static void scaleGeom(Geometry geometry, Point2D basePoint, double sx, double sy) { |
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AffineTransform at = new AffineTransform(); |
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at.setToTranslation(basePoint.getX(),basePoint.getY()); |
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at.scale(sx,sy); |
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at.translate(-basePoint.getX(),-basePoint.getY()); |
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geometry.transform(at); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.Geometry#fastIntersects(double, double, double, double)
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*/
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public boolean fastIntersects(double x, double y, double w, double h) { |
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boolean resp = true; |
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try {
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resp = intersectsRectangle(this, x, y, w, h);
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} catch (GeometryOperationException e) {
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logger.error("While doing fastintersects: " + e.getMessage(), e);
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} |
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return resp;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.Geometry#cloneGeometry()
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*/
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public Geometry cloneGeometry() {
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return (Geometry)cloneFShape();
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.Geometry#getHandlers(int)
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*/
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public Handler[] getHandlers(int type) { |
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if (type==STRETCHINGHANDLER){
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return getStretchingHandlers();
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}else if (type==SELECTHANDLER){ |
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return getSelectHandlers();
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} |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.Geometry#isSimple()
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*/
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public boolean isSimple() { |
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return true; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.Geometry#invokeOperation(int, org.gvsig.fmap.geom.operation.GeometryOperationContext)
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*/
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public Object invokeOperation(int index, GeometryOperationContext ctx) throws GeometryOperationNotSupportedException, GeometryOperationException { |
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return geomManager.invokeOperation(index, this, ctx); |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.Geometry#invokeOperation(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperationContext)
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*/
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public Object invokeOperation(String oppName, GeometryOperationContext ctx) throws GeometryOperationNotSupportedException, GeometryOperationException { |
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return geomManager.invokeOperation(oppName, this, ctx); |
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} |
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/*
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* (non-Javadoc)
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* @see java.lang.Comparable#compareTo(T)
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*/
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public int compareTo(Object arg0) { |
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// TODO Auto-generated method stub
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return -1; |
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} |
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/*
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* (non-Javadoc)
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* @see java.lang.Object#toString()
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*/
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public String toString() { |
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String name=getGeometryType().getName();
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return name.substring(name.lastIndexOf(".")+1); |
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} |
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/*
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* (non-Javadoc)
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* @see java.lang.Object#equals(java.lang.Object)
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*/
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public boolean equals(Object obj) { |
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if (obj == null) { |
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return false; |
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} |
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if (this.getClass() != obj.getClass()) { |
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return false; |
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} |
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AbstractPrimitive other = (AbstractPrimitive) obj; |
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if (this.getGeometryType().getType() != other.getGeometryType() |
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.getType()) {
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return false; |
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} |
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if (this.getGeometryType().getSubType() != other.getGeometryType() |
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.getSubType()) {
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return false; |
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} |
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if (this.projection != other.projection) { |
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if (this.projection == null) { |
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return false; |
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} |
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if (this.projection.getAbrev() != other.projection.getAbrev()) { //FIXME this must be false |
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return false; |
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} |
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} |
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if (!this.getBounds().equals(other.getBounds())) { |
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return false; |
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} |
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GeneralPathX myPath = this.getGeneralPath();
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GeneralPathX otherPath = other.getGeneralPath(); |
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if (myPath == null) { |
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if (otherPath != null) { |
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return false; |
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} else {
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// TODO checkThis
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return true; |
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} |
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} |
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if (myPath.getNumTypes() != otherPath.getNumTypes()) {
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return false; |
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} |
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if (Math.abs(myPath.getNumCoords() - otherPath.getNumCoords()) > this |
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.getDimension()) {
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return false; |
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} |
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PathIterator myIter = myPath.getPathIterator(null); |
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PathIterator otherIter = otherPath.getPathIterator(null); |
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int myType,otherType;
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// FIXME when 3D, 2DM and 3DM
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double[] myData = new double[6]; |
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double[] otherData = new double[6]; |
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double[] myFirst = new double[] { myPath.getPointCoords()[0],myPath.getPointCoords()[1]}; |
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double[] otherFirst = new double[] { otherPath.getPointCoords()[0],otherPath.getPointCoords()[1]}; |
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while (!myIter.isDone()) {
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if (otherIter.isDone()) {
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return false; |
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} |
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for (int i = 0; i < myData.length; i++) { |
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myData[i] = 0.0;
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otherData[i] = 0.0;
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} |
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myType = myIter.currentSegment(myData); |
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otherType = otherIter.currentSegment(otherData); |
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switch (myType) {
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case PathIterator.SEG_LINETO: |
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if (otherType != myType) {
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if (otherType == PathIterator.SEG_CLOSE){ |
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if (!comparePathIteratorData(otherFirst, myData)) {
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return false; |
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} |
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} else {
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return false; |
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} |
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} else {
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if (!comparePathIteratorData(myData, otherData)) {
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return false; |
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} |
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} |
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break;
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case PathIterator.SEG_CLOSE: |
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if (otherType != myType) {
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if (otherType == PathIterator.SEG_LINETO) { |
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if (!comparePathIteratorData(myFirst, otherData)) {
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return false; |
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} |
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} else {
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return false; |
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} |
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} else {
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if (!comparePathIteratorData(myData, otherData)) {
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return false; |
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} |
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} |
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break;
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case PathIterator.SEG_MOVETO: |
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case PathIterator.SEG_QUADTO: |
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case PathIterator.SEG_CUBICTO: |
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if (otherType != myType) {
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return false; |
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} |
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if (!comparePathIteratorData(myData, otherData)) {
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return false; |
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} |
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break;
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} // end switch
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myIter.next(); |
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otherIter.next(); |
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} |
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if (!otherIter.isDone()) {
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return false; |
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} |
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return true; |
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} |
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private boolean comparePathIteratorData(double[] org, double[] other) { |
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for (int i = 0; i < org.length; i++) { |
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if (Math.abs(org[i] - other[i]) > 0.0000001) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.primitive.FShape#getShapeType()
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*/
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public int getShapeType() { |
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return getType();
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} |
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/**
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* Utility method
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* @param geometry
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* @param x
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* @param y
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* @return
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* @throws GeometryOperationException
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*/
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protected boolean containsPoint(Geometry geom, double x, double y) throws GeometryOperationException { |
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// exclude disjoint
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Envelope env = geom.getEnvelope(); |
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if (x > env.getMaximum(0)) return false; |
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if (y > env.getMaximum(1)) return false; |
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if (x < env.getMinimum(0)) return false; |
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if (y < env.getMinimum(1)) return false; |
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// boxes overlap, need long version
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Geometry geompoint = null;
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try {
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geompoint = GeometryLocator.getGeometryManager().createPoint(x, y, SUBTYPES.GEOM2D); |
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} catch (Exception e1) { |
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throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_CONTAINS_CODE, e1); |
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} |
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DefaultRelationshipGeometryOperationContext drgoc = |
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new DefaultRelationshipGeometryOperationContext(geompoint);
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Object resp = null; |
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boolean respboolean = true; |
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try {
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resp = geom.invokeOperation(GeometryOperation.OPERATION_CONTAINS_CODE, drgoc); |
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respboolean = ((Boolean) resp).booleanValue();
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} catch (Exception e) { |
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throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_CONTAINS_CODE, e); |
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} |
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return respboolean;
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} |
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/**
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*
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* @param geometry
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* @param x
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* @param y
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* @param w
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* @param h
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* @return
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*/
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protected boolean containsRectangle(Geometry geom, double x, double y, |
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double w, double h) throws GeometryOperationException { |
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// exclude disjoint boxes
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Envelope env = geom.getEnvelope(); |
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if (x > env.getMaximum(0)) return false; |
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if ((x+w) < env.getMinimum(0)) return false; |
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if (y > env.getMaximum(1)) return false; |
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if ((y+h) < env.getMinimum(1)) return false; |
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if (w == 0 && h == 0) { |
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return containsPoint(geom, x, y);
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} |
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// boxes overlap, need long version
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Geometry rectgeom = null;
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GeneralPathX gpx = new GeneralPathX();
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gpx.moveTo(x, y); |
| 509 |
gpx.lineTo(x+w, y); |
| 510 |
gpx.lineTo(x+w, y+h); |
| 511 |
gpx.lineTo(x, y+h); |
| 512 |
gpx.lineTo(x, y); |
| 513 |
|
| 514 |
try {
|
| 515 |
rectgeom = GeometryLocator.getGeometryManager().createSurface(gpx, SUBTYPES.GEOM2D); |
| 516 |
} catch (Exception e1) { |
| 517 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_CONTAINS_CODE, e1); |
| 518 |
} |
| 519 |
|
| 520 |
DefaultRelationshipGeometryOperationContext drgoc = |
| 521 |
new DefaultRelationshipGeometryOperationContext(rectgeom);
|
| 522 |
|
| 523 |
Object resp = null; |
| 524 |
boolean respboolean = true; |
| 525 |
try {
|
| 526 |
resp = geom.invokeOperation(GeometryOperation.OPERATION_CONTAINS_CODE, drgoc); |
| 527 |
respboolean = ((Boolean) resp).booleanValue();
|
| 528 |
} catch (Exception e) { |
| 529 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_CONTAINS_CODE, e); |
| 530 |
} |
| 531 |
|
| 532 |
return respboolean;
|
| 533 |
} |
| 534 |
|
| 535 |
|
| 536 |
/**
|
| 537 |
*
|
| 538 |
* @param geom
|
| 539 |
* @param x
|
| 540 |
* @param y
|
| 541 |
* @param w
|
| 542 |
* @param h
|
| 543 |
* @return
|
| 544 |
*/
|
| 545 |
protected boolean intersectsRectangle(Geometry geom, double x, double y, |
| 546 |
double w, double h) throws GeometryOperationException { |
| 547 |
|
| 548 |
// exclude disjoint boxes
|
| 549 |
Envelope env = geom.getEnvelope(); |
| 550 |
if (x > env.getMaximum(0)) return false; |
| 551 |
if ((x+w) < env.getMinimum(0)) return false; |
| 552 |
if (y > env.getMaximum(1)) return false; |
| 553 |
if ((y+h) < env.getMinimum(1)) return false; |
| 554 |
|
| 555 |
// boxes overlap, need long version
|
| 556 |
Geometry rectgeom = null;
|
| 557 |
GeneralPathX gpx = new GeneralPathX();
|
| 558 |
gpx.moveTo(x, y); |
| 559 |
gpx.lineTo(x+w, y); |
| 560 |
gpx.lineTo(x+w, y+h); |
| 561 |
gpx.lineTo(x, y+h); |
| 562 |
gpx.lineTo(x, y); |
| 563 |
|
| 564 |
try {
|
| 565 |
rectgeom = GeometryLocator.getGeometryManager().createSurface(gpx, SUBTYPES.GEOM2D); |
| 566 |
} catch (Exception e1) { |
| 567 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_INTERSECTS_CODE, e1); |
| 568 |
} |
| 569 |
|
| 570 |
DefaultRelationshipGeometryOperationContext drgoc = |
| 571 |
new DefaultRelationshipGeometryOperationContext(rectgeom);
|
| 572 |
|
| 573 |
Object resp = null; |
| 574 |
boolean respboolean = true; |
| 575 |
try {
|
| 576 |
resp = geom.invokeOperation(GeometryOperation.OPERATION_INTERSECTS_CODE, drgoc); |
| 577 |
respboolean = ((Boolean) resp).booleanValue();
|
| 578 |
} catch (Exception e) { |
| 579 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_INTERSECTS_CODE, e); |
| 580 |
} |
| 581 |
|
| 582 |
return respboolean;
|
| 583 |
|
| 584 |
|
| 585 |
} |
| 586 |
|
| 587 |
|
| 588 |
|
| 589 |
} |