root / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / impl / AbstractPrimitive.java @ 32924
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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.exception.CreateGeometryException; |
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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.gvsig.fmap.geom.util.Converter; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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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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protected 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); |
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gpx.lineTo(x+w, y); |
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gpx.lineTo(x+w, y+h); |
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gpx.lineTo(x, y+h); |
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gpx.lineTo(x, y); |
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try {
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rectgeom = GeometryLocator.getGeometryManager().createSurface(gpx, 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(rectgeom);
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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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*
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* @param geom
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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 intersectsRectangle(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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// 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); |
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gpx.lineTo(x+w, y); |
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gpx.lineTo(x+w, y+h); |
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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_INTERSECTS_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_INTERSECTS_CODE, drgoc); |
| 527 |
respboolean = ((Boolean) resp).booleanValue();
|
| 528 |
} catch (Exception e) { |
| 529 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_INTERSECTS_CODE, e); |
| 530 |
} |
| 531 |
|
| 532 |
return respboolean;
|
| 533 |
|
| 534 |
|
| 535 |
} |
| 536 |
|
| 537 |
private com.vividsolutions.jts.geom.Geometry getJTS() {
|
| 538 |
return Converter.geometryToJts(this); |
| 539 |
} |
| 540 |
|
| 541 |
public byte[] convertToWKB() throws GeometryOperationNotSupportedException, |
| 542 |
GeometryOperationException {
|
| 543 |
return (byte[]) this.invokeOperation(OPERATIONS.CONVERTTOWKB, null); |
| 544 |
} |
| 545 |
|
| 546 |
public String convertToWKT() throws GeometryOperationNotSupportedException, |
| 547 |
GeometryOperationException {
|
| 548 |
return (String) this.invokeOperation(OPERATIONS.CONVERTTOWKT, null); |
| 549 |
} |
| 550 |
|
| 551 |
public Geometry buffer(double distance) |
| 552 |
throws GeometryOperationNotSupportedException,
|
| 553 |
GeometryOperationException {
|
| 554 |
// TODO: this method can be implemented throw invokeOperation
|
| 555 |
try {
|
| 556 |
return Converter.jtsToGeometry( getJTS().buffer(distance) );
|
| 557 |
} catch (CreateGeometryException e) {
|
| 558 |
throw new GeometryOperationException(e); |
| 559 |
} |
| 560 |
} |
| 561 |
|
| 562 |
public boolean contains(Geometry geometry) |
| 563 |
throws GeometryOperationNotSupportedException,
|
| 564 |
GeometryOperationException {
|
| 565 |
// TODO: this method can be implemented throw invokeOperation
|
| 566 |
return getJTS().contains(Converter.geometryToJts(geometry));
|
| 567 |
} |
| 568 |
|
| 569 |
public double distance(Geometry geometry) |
| 570 |
throws GeometryOperationNotSupportedException,
|
| 571 |
GeometryOperationException {
|
| 572 |
// TODO: this method can be implemented throw invokeOperation
|
| 573 |
return getJTS().distance( Converter.geometryToJts(geometry));
|
| 574 |
} |
| 575 |
|
| 576 |
public boolean overlaps(Geometry geometry) |
| 577 |
throws GeometryOperationNotSupportedException,
|
| 578 |
GeometryOperationException {
|
| 579 |
// TODO: this method can be implemented throw invokeOperation
|
| 580 |
return getJTS().overlaps(Converter.geometryToJts(geometry));
|
| 581 |
} |
| 582 |
|
| 583 |
public Geometry convexHull() throws GeometryOperationNotSupportedException, |
| 584 |
GeometryOperationException {
|
| 585 |
// TODO: this method can be implemented throw invokeOperation
|
| 586 |
try {
|
| 587 |
return Converter.jtsToGeometry( getJTS().convexHull() );
|
| 588 |
} catch (CreateGeometryException e) {
|
| 589 |
throw new GeometryOperationException(e); |
| 590 |
} |
| 591 |
} |
| 592 |
|
| 593 |
public boolean coveredBy(Geometry geometry) |
| 594 |
throws GeometryOperationNotSupportedException,
|
| 595 |
GeometryOperationException {
|
| 596 |
// TODO: this method can be implemented throw invokeOperation
|
| 597 |
return getJTS().coveredBy( Converter.geometryToJts(geometry));
|
| 598 |
} |
| 599 |
|
| 600 |
public boolean crosses(Geometry geometry) |
| 601 |
throws GeometryOperationNotSupportedException,
|
| 602 |
GeometryOperationException {
|
| 603 |
// TODO: this method can be implemented throw invokeOperation
|
| 604 |
return getJTS().crosses(Converter.geometryToJts(geometry));
|
| 605 |
} |
| 606 |
|
| 607 |
public Geometry difference(Geometry other)
|
| 608 |
throws GeometryOperationNotSupportedException,
|
| 609 |
GeometryOperationException {
|
| 610 |
// TODO: this method can be implemented throw invokeOperation
|
| 611 |
try {
|
| 612 |
return Converter.jtsToGeometry( getJTS().difference( Converter.geometryToJts(other)) );
|
| 613 |
} catch (CreateGeometryException e) {
|
| 614 |
throw new GeometryOperationException(e); |
| 615 |
} |
| 616 |
} |
| 617 |
|
| 618 |
public Geometry intersection(Geometry other)
|
| 619 |
throws GeometryOperationNotSupportedException,
|
| 620 |
GeometryOperationException {
|
| 621 |
// TODO: this method can be implemented throw invokeOperation
|
| 622 |
try {
|
| 623 |
return Converter.jtsToGeometry( getJTS().intersection(Converter.geometryToJts(other)) );
|
| 624 |
} catch (CreateGeometryException e) {
|
| 625 |
throw new GeometryOperationException(e); |
| 626 |
} |
| 627 |
} |
| 628 |
|
| 629 |
public boolean intersects(Geometry geometry) |
| 630 |
throws GeometryOperationNotSupportedException,
|
| 631 |
GeometryOperationException {
|
| 632 |
// TODO: this method can be implemented throw invokeOperation
|
| 633 |
return getJTS().intersects(Converter.geometryToJts(geometry));
|
| 634 |
} |
| 635 |
|
| 636 |
public boolean touches(Geometry geometry) |
| 637 |
throws GeometryOperationNotSupportedException,
|
| 638 |
GeometryOperationException {
|
| 639 |
// TODO: this method can be implemented throw invokeOperation
|
| 640 |
return getJTS().touches(Converter.geometryToJts(geometry));
|
| 641 |
} |
| 642 |
|
| 643 |
public Geometry union(Geometry other)
|
| 644 |
throws GeometryOperationNotSupportedException,
|
| 645 |
GeometryOperationException {
|
| 646 |
// TODO: this method can be implemented throw invokeOperation
|
| 647 |
try {
|
| 648 |
return Converter.jtsToGeometry( getJTS().union(Converter.geometryToJts(other)) );
|
| 649 |
} catch (CreateGeometryException e) {
|
| 650 |
throw new GeometryOperationException(e); |
| 651 |
} |
| 652 |
} |
| 653 |
|
| 654 |
public boolean disjoint(Geometry geometry) |
| 655 |
throws GeometryOperationNotSupportedException,
|
| 656 |
GeometryOperationException {
|
| 657 |
// TODO: this method can be implemented throw invokeOperation
|
| 658 |
return getJTS().disjoint(Converter.geometryToJts(geometry));
|
| 659 |
} |
| 660 |
|
| 661 |
public boolean within(Geometry geometry) |
| 662 |
throws GeometryOperationNotSupportedException,
|
| 663 |
GeometryOperationException {
|
| 664 |
// TODO: this method can be implemented throw invokeOperation
|
| 665 |
return getJTS().within(Converter.geometryToJts(geometry));
|
| 666 |
} |
| 667 |
|
| 668 |
|
| 669 |
} |