root / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / primitive / impl / AbstractPrimitive.java @ 40366
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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.io.Serializable; |
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import com.vividsolutions.jts.geom.Coordinate; |
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import com.vividsolutions.jts.geom.GeometryFactory; |
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import com.vividsolutions.jts.io.WKBWriter; |
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import com.vividsolutions.jts.operation.distance.DistanceOp; |
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import com.vividsolutions.jts.operation.overlay.snap.GeometrySnapper; |
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import org.cresques.cts.ICoordTrans; |
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import org.cresques.cts.IProjection; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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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.towkb.ToWKBOperationContext; |
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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.NullGeometry; |
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import org.gvsig.fmap.geom.primitive.Point; |
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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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/**
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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, Shape, Serializable { |
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private static final Logger logger = LoggerFactory.getLogger(AbstractPrimitive.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 final 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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* (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 instanceof NullGeometry || obj instanceof NullGeometry) { |
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/*
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* If any of them is null geometry, they both have to be
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* null geometry, or else, they are not equal.
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* This prevents null pointer exception in the rest of the
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* method
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*/
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if (this instanceof NullGeometry && obj instanceof NullGeometry) { |
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return true; |
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} else {
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return false; |
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} |
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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.getPointAt(0).getX(),myPath.getPointAt(0).getY()}; |
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double[] otherFirst = new double[] { otherPath.getPointAt(0).getX(),otherPath.getPointAt(0).getY()}; |
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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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GeometryOperationContext drgoc = new GeometryOperationContext();
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drgoc.setAttribute("geom",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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GeometryOperationContext drgoc = new GeometryOperationContext();
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drgoc.setAttribute("geom",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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*
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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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|
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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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|
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try {
|
| 510 |
rectgeom = GeometryLocator.getGeometryManager().createSurface(gpx, SUBTYPES.GEOM2D); |
| 511 |
} catch (Exception e1) { |
| 512 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_INTERSECTS_CODE, e1); |
| 513 |
} |
| 514 |
|
| 515 |
GeometryOperationContext drgoc = new GeometryOperationContext();
|
| 516 |
drgoc.setAttribute("geom",rectgeom);
|
| 517 |
|
| 518 |
Object resp = null; |
| 519 |
boolean respboolean = true; |
| 520 |
try {
|
| 521 |
resp = geom.invokeOperation(GeometryOperation.OPERATION_INTERSECTS_CODE, drgoc); |
| 522 |
respboolean = ((Boolean) resp).booleanValue();
|
| 523 |
} catch (Exception e) { |
| 524 |
throw new GeometryOperationException(geom.getType(), GeometryOperation.OPERATION_INTERSECTS_CODE, e); |
| 525 |
} |
| 526 |
|
| 527 |
return respboolean;
|
| 528 |
|
| 529 |
|
| 530 |
} |
| 531 |
|
| 532 |
private com.vividsolutions.jts.geom.Geometry getJTS() {
|
| 533 |
return Converter.geometryToJts(this); |
| 534 |
} |
| 535 |
|
| 536 |
public byte[] convertToWKB() throws GeometryOperationNotSupportedException, |
| 537 |
GeometryOperationException {
|
| 538 |
return (byte[]) this.invokeOperation(OPERATIONS.CONVERTTOWKB, null); |
| 539 |
} |
| 540 |
|
| 541 |
public byte[] convertToWKB(int srs) throws GeometryOperationNotSupportedException, |
| 542 |
GeometryOperationException {
|
| 543 |
WKBWriter write = new WKBWriter();
|
| 544 |
return write.write(Converter.geometryToJtsWithSRID(this,srs)); |
| 545 |
} |
| 546 |
|
| 547 |
public String convertToWKT() throws GeometryOperationNotSupportedException, |
| 548 |
GeometryOperationException {
|
| 549 |
return (String) this.invokeOperation(OPERATIONS.CONVERTTOWKT, null); |
| 550 |
} |
| 551 |
|
| 552 |
public Geometry buffer(double distance) |
| 553 |
throws GeometryOperationNotSupportedException,
|
| 554 |
GeometryOperationException {
|
| 555 |
// TODO: this method can be implemented throw invokeOperation
|
| 556 |
try {
|
| 557 |
return Converter.jtsToGeometry( getJTS().buffer(distance) );
|
| 558 |
} catch (CreateGeometryException e) {
|
| 559 |
throw new GeometryOperationException(e); |
| 560 |
} |
| 561 |
} |
| 562 |
|
| 563 |
public boolean contains(Geometry geometry) |
| 564 |
throws GeometryOperationNotSupportedException,
|
| 565 |
GeometryOperationException {
|
| 566 |
// TODO: this method can be implemented throw invokeOperation
|
| 567 |
return getJTS().contains(Converter.geometryToJts(geometry));
|
| 568 |
} |
| 569 |
|
| 570 |
public double distance(Geometry geometry) |
| 571 |
throws GeometryOperationNotSupportedException,
|
| 572 |
GeometryOperationException {
|
| 573 |
// TODO: this method can be implemented throw invokeOperation
|
| 574 |
return getJTS().distance( Converter.geometryToJts(geometry));
|
| 575 |
} |
| 576 |
|
| 577 |
public Geometry snapTo(Geometry other, double snapTolerance) |
| 578 |
throws GeometryOperationNotSupportedException,
|
| 579 |
GeometryOperationException {
|
| 580 |
Geometry result = null;
|
| 581 |
GeometrySnapper snapper = new GeometrySnapper(getJTS());
|
| 582 |
com.vividsolutions.jts.geom.Geometry jts_result = snapper.snapTo(Converter.geometryToJts(other), snapTolerance); |
| 583 |
try {
|
| 584 |
result = Converter.jtsToGeometry(jts_result); |
| 585 |
} catch (CreateGeometryException e) {
|
| 586 |
throw new GeometryOperationException(e); |
| 587 |
} |
| 588 |
return result;
|
| 589 |
} |
| 590 |
|
| 591 |
public boolean isWithinDistance(Geometry other, double distance) |
| 592 |
throws GeometryOperationNotSupportedException,
|
| 593 |
GeometryOperationException {
|
| 594 |
return DistanceOp.isWithinDistance(this.getJTS(), Converter.geometryToJts(other), distance); |
| 595 |
} |
| 596 |
|
| 597 |
|
| 598 |
public Geometry[] closestPoints(Geometry other) |
| 599 |
throws GeometryOperationNotSupportedException,
|
| 600 |
GeometryOperationException {
|
| 601 |
Geometry[] points = null; |
| 602 |
|
| 603 |
Coordinate[] jts_points = DistanceOp.closestPoints(this.getJTS(), |
| 604 |
Converter.geometryToJts(other)); |
| 605 |
points = new Point[jts_points.length]; |
| 606 |
GeometryFactory geomFactory = new GeometryFactory();
|
| 607 |
for (int n = 0; n < jts_points.length; n++) { |
| 608 |
try {
|
| 609 |
points[n] = Converter.jtsToGeometry(geomFactory.createPoint(jts_points[n])); |
| 610 |
} catch (CreateGeometryException e) {
|
| 611 |
throw new GeometryOperationException(e); |
| 612 |
} |
| 613 |
} |
| 614 |
return points;
|
| 615 |
} |
| 616 |
|
| 617 |
public boolean overlaps(Geometry geometry) |
| 618 |
throws GeometryOperationNotSupportedException,
|
| 619 |
GeometryOperationException {
|
| 620 |
// TODO: this method can be implemented throw invokeOperation
|
| 621 |
return getJTS().overlaps(Converter.geometryToJts(geometry));
|
| 622 |
} |
| 623 |
|
| 624 |
public Geometry convexHull() throws GeometryOperationNotSupportedException, |
| 625 |
GeometryOperationException {
|
| 626 |
// TODO: this method can be implemented throw invokeOperation
|
| 627 |
try {
|
| 628 |
return Converter.jtsToGeometry( getJTS().convexHull() );
|
| 629 |
} catch (CreateGeometryException e) {
|
| 630 |
throw new GeometryOperationException(e); |
| 631 |
} |
| 632 |
} |
| 633 |
|
| 634 |
public boolean coveredBy(Geometry geometry) |
| 635 |
throws GeometryOperationNotSupportedException,
|
| 636 |
GeometryOperationException {
|
| 637 |
// TODO: this method can be implemented throw invokeOperation
|
| 638 |
return getJTS().coveredBy( Converter.geometryToJts(geometry));
|
| 639 |
} |
| 640 |
|
| 641 |
public boolean crosses(Geometry geometry) |
| 642 |
throws GeometryOperationNotSupportedException,
|
| 643 |
GeometryOperationException {
|
| 644 |
// TODO: this method can be implemented throw invokeOperation
|
| 645 |
return getJTS().crosses(Converter.geometryToJts(geometry));
|
| 646 |
} |
| 647 |
|
| 648 |
public Geometry difference(Geometry other)
|
| 649 |
throws GeometryOperationNotSupportedException,
|
| 650 |
GeometryOperationException {
|
| 651 |
// TODO: this method can be implemented throw invokeOperation
|
| 652 |
try {
|
| 653 |
return Converter.jtsToGeometry( getJTS().difference( Converter.geometryToJts(other)) );
|
| 654 |
} catch (CreateGeometryException e) {
|
| 655 |
throw new GeometryOperationException(e); |
| 656 |
} |
| 657 |
} |
| 658 |
|
| 659 |
public Geometry intersection(Geometry other)
|
| 660 |
throws GeometryOperationNotSupportedException,
|
| 661 |
GeometryOperationException {
|
| 662 |
// TODO: this method can be implemented throw invokeOperation
|
| 663 |
try {
|
| 664 |
return Converter.jtsToGeometry( getJTS().intersection(Converter.geometryToJts(other)) );
|
| 665 |
} catch (CreateGeometryException e) {
|
| 666 |
throw new GeometryOperationException(e); |
| 667 |
} |
| 668 |
} |
| 669 |
|
| 670 |
public boolean intersects(Geometry geometry) |
| 671 |
throws GeometryOperationNotSupportedException,
|
| 672 |
GeometryOperationException {
|
| 673 |
// TODO: this method can be implemented throw invokeOperation
|
| 674 |
return getJTS().intersects(Converter.geometryToJts(geometry));
|
| 675 |
} |
| 676 |
|
| 677 |
public boolean touches(Geometry geometry) |
| 678 |
throws GeometryOperationNotSupportedException,
|
| 679 |
GeometryOperationException {
|
| 680 |
// TODO: this method can be implemented throw invokeOperation
|
| 681 |
return getJTS().touches(Converter.geometryToJts(geometry));
|
| 682 |
} |
| 683 |
|
| 684 |
public Geometry union(Geometry other)
|
| 685 |
throws GeometryOperationNotSupportedException,
|
| 686 |
GeometryOperationException {
|
| 687 |
// TODO: this method can be implemented throw invokeOperation
|
| 688 |
try {
|
| 689 |
return Converter.jtsToGeometry( getJTS().union(Converter.geometryToJts(other)) );
|
| 690 |
} catch (CreateGeometryException e) {
|
| 691 |
throw new GeometryOperationException(e); |
| 692 |
} |
| 693 |
} |
| 694 |
|
| 695 |
public boolean disjoint(Geometry geometry) |
| 696 |
throws GeometryOperationNotSupportedException,
|
| 697 |
GeometryOperationException {
|
| 698 |
// TODO: this method can be implemented throw invokeOperation
|
| 699 |
return getJTS().disjoint(Converter.geometryToJts(geometry));
|
| 700 |
} |
| 701 |
|
| 702 |
public boolean within(Geometry geometry) |
| 703 |
throws GeometryOperationNotSupportedException,
|
| 704 |
GeometryOperationException {
|
| 705 |
// TODO: this method can be implemented throw invokeOperation
|
| 706 |
return getJTS().within(Converter.geometryToJts(geometry));
|
| 707 |
} |
| 708 |
|
| 709 |
public Point centroid() throws GeometryOperationNotSupportedException, GeometryOperationException { |
| 710 |
com.vividsolutions.jts.geom.Geometry geometry = getJTS(); |
| 711 |
com.vividsolutions.jts.geom.Point point = geometry.getCentroid(); |
| 712 |
GeometryOperationContext geometryOperationContext = new GeometryOperationContext();
|
| 713 |
geometryOperationContext.setAttribute("JTSGeometry", point);
|
| 714 |
return (Point)this.invokeOperation("fromJTS", geometryOperationContext); |
| 715 |
} |
| 716 |
|
| 717 |
|
| 718 |
public Point getInteriorPoint() throws GeometryOperationNotSupportedException, GeometryOperationException { |
| 719 |
|
| 720 |
try {
|
| 721 |
com.vividsolutions.jts.geom.Geometry geometry = getJTS(); |
| 722 |
com.vividsolutions.jts.geom.Point point = geometry.getInteriorPoint(); |
| 723 |
GeometryOperationContext geometryOperationContext = new GeometryOperationContext();
|
| 724 |
geometryOperationContext.setAttribute("JTSGeometry", point);
|
| 725 |
return (Point)this.invokeOperation("fromJTS", geometryOperationContext); |
| 726 |
} catch (GeometryOperationNotSupportedException ns_ex) {
|
| 727 |
throw ns_ex;
|
| 728 |
} catch (GeometryOperationException op_ex) {
|
| 729 |
throw op_ex;
|
| 730 |
} catch (Exception ex) { |
| 731 |
/*
|
| 732 |
* This is for unexpected null pointer exceptions or other
|
| 733 |
*/
|
| 734 |
throw new GeometryOperationException(ex); |
| 735 |
} |
| 736 |
} |
| 737 |
|
| 738 |
|
| 739 |
public double area() throws GeometryOperationNotSupportedException, GeometryOperationException |
| 740 |
{
|
| 741 |
//Using get getJTS method instead of use the "toJTS" operation just for performance
|
| 742 |
return getJTS().getArea();
|
| 743 |
} |
| 744 |
|
| 745 |
public double perimeter() throws GeometryOperationNotSupportedException, GeometryOperationException |
| 746 |
{
|
| 747 |
//Using get getJTS method instead of use the "toJTS" operation just for performance
|
| 748 |
return getJTS().getLength();
|
| 749 |
} |
| 750 |
|
| 751 |
public Shape getShape() { |
| 752 |
return this; |
| 753 |
} |
| 754 |
|
| 755 |
public Shape getShape(AffineTransform affineTransform) { |
| 756 |
if (affineTransform == null){ |
| 757 |
return this; |
| 758 |
} |
| 759 |
return new GeneralPathAdapter(affineTransform, getGeneralPath()); |
| 760 |
} |
| 761 |
|
| 762 |
public void rotate(double radAngle, double basex, double basey) { |
| 763 |
|
| 764 |
AffineTransform at = new AffineTransform(); |
| 765 |
at.rotate(radAngle,basex,basey); |
| 766 |
this.transform(at);
|
| 767 |
} |
| 768 |
|
| 769 |
public void move(double dx, double dy) { |
| 770 |
|
| 771 |
AffineTransform at = new AffineTransform(); |
| 772 |
at.translate(dx, dy); |
| 773 |
this.transform(at);
|
| 774 |
} |
| 775 |
|
| 776 |
public void scale(Point basePoint, double sx, double sy) { |
| 777 |
|
| 778 |
AffineTransform at = new AffineTransform(); |
| 779 |
at.setToTranslation(basePoint.getX(),basePoint.getY()); |
| 780 |
at.scale(sx,sy); |
| 781 |
at.translate(-basePoint.getX(),-basePoint.getY()); |
| 782 |
this.transform(at);
|
| 783 |
} |
| 784 |
|
| 785 |
} |