svn-gvsig-desktop / branches / v2_0_0_prep / libraries / libFMap_geometries / src / org / gvsig / fmap / geom / impl / DefaultGeometryManager.java @ 34140
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/* gvSIG. Geographic Information System of the Valencian Government
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*
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* Copyright (C) 2007-2008 Infrastructures and Transports Department
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* of the Valencian Government (CIT)
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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*/
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/*
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* AUTHORS (In addition to CIT):
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* 2009 {Iver T.I.} {Task}
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*/
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package org.gvsig.fmap.geom.impl; |
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import java.awt.geom.PathIterator; |
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import java.util.ArrayList; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.Map; |
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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.Geometry.SUBTYPES; |
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import org.gvsig.fmap.geom.Geometry.TYPES; |
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import org.gvsig.fmap.geom.GeometryException; |
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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.aggregate.MultiCurve; |
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import org.gvsig.fmap.geom.aggregate.MultiSurface; |
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import org.gvsig.fmap.geom.exception.CreateEnvelopeException; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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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.fromwkb.FromWKBGeometryOperationContext; |
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import org.gvsig.fmap.geom.operation.fromwkt.FromWKTGeometryOperationContext; |
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import org.gvsig.fmap.geom.primitive.Curve; |
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import org.gvsig.fmap.geom.primitive.Envelope; |
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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.Surface; |
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import org.gvsig.fmap.geom.primitive.impl.DefaultNullGeometry; |
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import org.gvsig.fmap.geom.primitive.impl.Envelope2D; |
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import org.gvsig.fmap.geom.primitive.impl.Envelope3D; |
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import org.gvsig.fmap.geom.type.GeometryType; |
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import org.gvsig.fmap.geom.type.GeometryTypeNotSupportedException; |
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import org.gvsig.fmap.geom.type.GeometryTypeNotValidException; |
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import org.gvsig.fmap.geom.type.impl.DefaultGeometryType; |
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/**
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* Default implementation for the {@link GeometryManager}. When the
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* application starts, this class is registered in the
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* {@link GeometryLocator} using the {@link DefaultGeometryLibrary}.
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* @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>
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*/
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public class DefaultGeometryManager implements GeometryManager { |
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private static final Logger logger = LoggerFactory.getLogger(GeometryManager.class); |
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private double flatness = 0.8; |
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/** This list holds the unique name of all registered geometry operations.
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* The index in which they are stored is also the operation code used to invoke each one of them */
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private List geometryOperations = new ArrayList(); |
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/** Common operations are registered here. Type specific operations are registered in the corresponding GeometryType instance */
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//private List commonOperations = new ArrayList();
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/** This map holds the instances of all registered GeometryType. The key is the name of the specific Geometry subclass.
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* In other words, the string "org.gvsig.fmap.geom.primitive.Point2D" is the hash key to obtain an instance of GeometryType holding the
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* operations associated to the class org.gvsig.fmap.geom.primitive.Point2D.
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*/
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private Map geometryTypeName = new HashMap(); |
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/**
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* Matrix of geometry types by type (row) and subtype (column). This matrix
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* will contain null values in the cells where a GeometryType hasn't been
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* registered.
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*/
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private GeometryType[][] geometryTypes; |
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/** GeometryType index counter. Each time a new geometry type (not predefined) is registered it is assigned this counter's value as index and after that
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* it is incremented by 1 */
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private int geometryTypeIndex = 0;//Geometry.EXTENDED_GEOMTYPE_OFFSET; //65536;//2^16 |
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// Initially create a matrix of 17 x 6, which are the current default
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// types and subtypes. If another type or subtype is registered, the
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// matrix will grow as needed
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private static final int DEFAULT_TYPES_SIZE = 17; |
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private static final int DEFAULT_SUBTYPES_SIZE = 6; |
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public DefaultGeometryManager() {
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this(DEFAULT_TYPES_SIZE, DEFAULT_SUBTYPES_SIZE);
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} |
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public DefaultGeometryManager(int initialTypesSize, int initialSubtypesSize) { |
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geometryTypes = new GeometryType[initialTypesSize][initialSubtypesSize];
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryOperation(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperation, org.gvsig.fmap.geom.type.GeometryType)
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*/
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public int registerGeometryOperation(String geomOpName, |
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GeometryOperation geomOp, GeometryType geomType) { |
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if (geomOp == null) { |
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throw new IllegalArgumentException("geomOp cannot be null."); |
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} |
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if (geomType == null) { |
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throw new IllegalArgumentException("geomType cannot be null."); |
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} |
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int index = getGeometryOperationCode(geomOpName);
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geomType.setGeometryOperation(index, geomOp); |
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return index;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryOperation(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperation)
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*/
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public int registerGeometryOperation(String geomOpName, |
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GeometryOperation geomOp) { |
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if (geomOpName == null) { |
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throw new IllegalArgumentException("geomOpName cannot be null."); |
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} |
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if (geomOp == null) { |
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throw new IllegalArgumentException("geomOp cannot be null."); |
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} |
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int index = getGeometryOperationCode(geomOpName);
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Iterator it = geometryTypeName.keySet().iterator();
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while (it.hasNext()){
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String className = (String)it.next(); |
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GeometryType geometryType = (GeometryType) geometryTypeName.get(className); |
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registerGeometryOperation(geomOpName, geomOp, geometryType); |
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} |
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return index;
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} |
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// /**
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// * Registers a GeometryOperation associated to a GeometryType.
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// * Returns an unique index that is used later to identify and invoke the
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// operation.<br>
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// *
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// * By convention, the return value should be stored in a public constant
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// within the class implementing
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// * the operation:<BR>
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// * <pre>
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// * public class MyOperation extends GeometryOperation {
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// * public static final int CODE =
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// * GeometryManager.getInstance()
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// * .registerGeometryOperation("MyOperation", new MyOperation(),
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// MyGeometry.class);
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// * }
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// * </pre>
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// *
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// * This method is only used if you have not a reference to the
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// GeometryType associated to the
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// * geometry class. If you have such reference then it is slightly faster
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// to use the method that receives
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// * the GeometryType.<br>
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// *
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// * @param geomOpName Operation's unique name
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// * @param geomOp Specific GeometryOperation's instance implementing this
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// operation
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// * @param geomClass Geometry implementation class
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// * @return Index assigned to this operation. This index is used later to
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// access the operation.
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// */
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// private int registerGeometryOperation(String geomOpName,
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// GeometryOperation geomOp, Class geomClass) {
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//
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// GeometryType geomType = getGeometryType(geomClass);
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// return registerGeometryOperation(geomOpName, geomOp, geomType);
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// }
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// /**
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// * Registers a GeometryOperation associated to a GeometryType.
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// * Returns an unique index that is used later to identify and invoke the
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// operation.<br>
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// *
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// * By convention, the return value should be stored in a public constant
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// within the class implementing
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// * the operation:<BR>
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// * <pre>
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// * public class MyOperation extends GeometryOperation {
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// * public static final int CODE =
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// * GeometryManager.getInstance()
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// * .registerGeometryOperation("MyOperation", MyOperation.class,
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// myGeomType);
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// * }
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// * </pre>
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// *
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// * @param geomOpName Operation's unique name
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// * @param geomOpClass GeometryOperation class
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// * @param geomType GeometryType instance to which this operation should be
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// associated
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// * @return Index assigned to this operation. This index is used later to
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// access the operation.
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// * @throws IllegalAccessException, {@link InstantiationException} Either
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// exception maybe thrown when
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// * trying to instance the geometry operation class.
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// */
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// private int registerGeometryOperation(String geomOpName, Class
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// geomOpClass,
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// GeometryType geomType)
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// throws IllegalAccessException, InstantiationException {
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//
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// GeometryOperation geomOp = (GeometryOperation) geomOpClass.newInstance();
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// return registerGeometryOperation(geomOpName, geomOp, geomType);
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// }
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryOperation(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperation, int, int)
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*/
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public int registerGeometryOperation(String geomOpName, |
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GeometryOperation geomOp, int type, int subType) throws GeometryTypeNotSupportedException, GeometryTypeNotValidException { |
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GeometryType geometryType = getGeometryType(type, subType); |
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return registerGeometryOperation(geomOpName, geomOp, geometryType);
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryOperation(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperation, int)
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*/
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public int registerGeometryOperation(String geomOpName, |
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GeometryOperation geomOp, int type) {
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Iterator it = geometryTypeName.keySet().iterator();
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int code = -1; |
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while (it.hasNext()){
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String className = (String)it.next(); |
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GeometryType geometryType = (GeometryType) geometryTypeName.get(className); |
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if ((type == geometryType.getType())) {
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code = registerGeometryOperation(geomOpName, geomOp, geometryType); |
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} |
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} |
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return code;
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryOperationBySubtype(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperation, int)
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*/
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public int registerGeometryOperationBySubtype(String geomOpName, |
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GeometryOperation geomOp, int subType) {
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Iterator it = geometryTypeName.keySet().iterator();
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int code = -1; |
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while (it.hasNext()){
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String className = (String)it.next(); |
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GeometryType geometryType = (GeometryType) geometryTypeName.get(className); |
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if ((subType == geometryType.getSubType())) {
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code = registerGeometryOperation(geomOpName, geomOp, geometryType); |
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} |
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} |
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return code;
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryType(java.lang.Class, java.lang.String, int)
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*/
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public GeometryType registerGeometryType(Class geomClass, String name, int type, int subType) { |
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return registerGeometryType(geomClass, name, geometryTypeIndex++, type, subType);
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} |
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/**
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* Registers a Geometry implementation class with a predefined geometry type and returns the
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* associated GeometryType instance. Available predefined types are defined in {@link Geometry.TYPES}
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* If the class is already registered then this method throws an IllegalArgumentException.<br>
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*
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* How to register a geometry class with a predefined type:
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* <pre>
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*
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* public class Point2D implements Point {
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* private static final GeometryType geomType = GeometryManager.getInstance()
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* .registerBasicGeometryType(Point2D.class, "Point2D", Geometry.TYPES.POINT);
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*
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* public static final int CODE = geomType.getId();
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* ...
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* public int getType() {
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* return geomType.getType();
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* }
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* }
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* </pre>
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*
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* @param geomClass
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* Geometry subclass. It must not be null and must implement Geometry, otherwise an exception
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* is raised.
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* @param name
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* Symbolic name for the geometry type, it can be null. If it is null then the symbolic name
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* will be the simple class name.
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* @param id
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* Geometry identifier.
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* @param type
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* Type of geometry. Must be a value defined in {@link Geometry.TYPES}
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* @param subType
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* SubType of geometry. Must be a value defined in {@link Geometry.SUBTYPES}
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* @return Instance of GeometryType associated to the Geometry implementation class
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* geomClass
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* @throws IllegalArgumentException
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* If geomClass is null or does not implement Geometry
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*/
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private GeometryType registerGeometryType(Class geomClass, String name, int id, |
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int type, int subType){ |
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if (geomClass == null) { |
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throw new IllegalArgumentException("geomClass cannot be null."); |
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} |
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if (!Geometry.class.isAssignableFrom(geomClass)) {
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throw new IllegalArgumentException(geomClass.getName() |
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+ " must implement the Geometry interface");
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} |
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// Check if it is registered
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GeometryType geomType = null;
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if (type >= geometryTypes.length || subType >= geometryTypes[0].length |
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|| (geomType = geometryTypes[type][subType]) == null) {
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geomType = |
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new DefaultGeometryType(geomClass, name, id, type, subType);
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registerGeometryType(geomType); |
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geometryTypeName.put(geomClass.getName(), geomType); |
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} |
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logger.debug("Class {} registered with name {}", geomClass,
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geomType.getName()); |
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return geomType;
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} |
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private void registerGeometryType(GeometryType geometryType) { |
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if (geometryType.getType() >= geometryTypes.length
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|| geometryType.getSubType() >= geometryTypes[0].length) {
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// Recreate the geometry type matrix if the types
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// or subtypes don't fit
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int newTypesSize =
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geometryType.getType() < geometryTypes.length ? geometryTypes.length |
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: geometryType.getType() + 1;
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int newSubTypesSize =
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geometryType.getSubType() < geometryTypes[0].length ? geometryTypes[0].length |
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: geometryType.getSubType() + 1;
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GeometryType[][] newMatrix = |
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new GeometryType[newTypesSize][newSubTypesSize];
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for (int i = 0; i < geometryTypes.length; i++) { |
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System.arraycopy(geometryTypes[i], 0, newMatrix[i], 0, |
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geometryTypes[i].length); |
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} |
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geometryTypes = newMatrix; |
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} |
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geometryTypes[geometryType.getType()][geometryType.getSubType()] = |
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geometryType; |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#registerGeometryType(java.lang.Class, int)
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*/
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public GeometryType registerGeometryType(Class geomClass, int type, int subType) { |
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return registerGeometryType(geomClass, null, type, subType); |
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} |
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// /**
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// * Returns an instance of GeometryType given the associated Geometry
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// implementation
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// * class.
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// *
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// * @param geomClass
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// * @return Instance of GeometryType associated to the Geometry
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// implementation class
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// */
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// private GeometryType getGeometryType(Class geomClass) {
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// logger.debug("getting " + geomClass.getName());
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// return (GeometryType) geometryTypeName.get(geomClass.getName());
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// }
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#getGeometryType(java.lang.String)
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*/
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public GeometryType getGeometryType(String className) throws GeometryTypeNotSupportedException { |
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if (!geometryTypeName.containsKey(className)){
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throw new GeometryTypeNotSupportedException(className); |
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} |
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return (GeometryType) geometryTypeName.get(className);
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} |
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/* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#getGeometryType(int, int)
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*/
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public GeometryType getGeometryType(int type, int subType) throws GeometryTypeNotSupportedException, GeometryTypeNotValidException { |
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GeometryType gType = null;
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if (type >= geometryTypes.length || subType >= geometryTypes[0].length) { |
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throw new GeometryTypeNotValidException(type, subType); |
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} |
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gType = geometryTypes[type][subType]; |
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if (gType == null) { |
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throw new GeometryTypeNotSupportedException(type, subType); |
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} |
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return gType;
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// Iterator it = geometryTypeName.keySet().iterator();
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// while (it.hasNext()){
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// String className = (String)it.next();
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// GeometryType geometryType = getGeometryType(className);
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// if ((type == geometryType.getType()) &&
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// (subType == geometryType.getSubType())){
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// return geometryType;
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// }
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// if (subType == SUBTYPES.UNKNOWN){
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// throw new GeometryTypeNotValidException(type, subType);
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// }
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// }
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// throw new GeometryTypeNotSupportedException(type, subType);
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} |
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|
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#create(org.gvsig.fmap.geom.type.GeometryType)
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*/
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public Geometry create(GeometryType geomType) throws CreateGeometryException{ |
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return geomType.create();
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} |
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|
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/*
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* (non-Javadoc)
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* @see org.gvsig.fmap.geom.GeometryManager#create(java.lang.String)
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*/
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public Geometry create(String name) throws CreateGeometryException{ |
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if (!geometryTypeName.containsKey(name)){
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throw new IllegalArgumentException(name + " has not been registered yet."); |
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} |
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return ((GeometryType)geometryTypeName.get(name)).create();
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} |
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/*
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* (non-Javadoc)
|
465 |
* @see org.gvsig.fmap.geom.GeometryManager#create(int)
|
466 |
*/
|
467 |
public Geometry create(int type, int subType) |
468 |
throws CreateGeometryException {
|
469 |
try {
|
470 |
return getGeometryType(type, subType).create();
|
471 |
} catch (GeometryException e) {
|
472 |
throw new CreateGeometryException(type, subType, e); |
473 |
} |
474 |
} |
475 |
|
476 |
|
477 |
/* (non-Javadoc)
|
478 |
* @see org.gvsig.fmap.geom.GeometryManager#createCurve(org.gvsig.fmap.geom.primitive.GeneralPathX, int)
|
479 |
*/
|
480 |
public Curve createCurve(GeneralPathX generalPathX, int subType) |
481 |
throws CreateGeometryException {
|
482 |
Curve curve = (Curve)create(TYPES.CURVE, subType); |
483 |
curve.setGeneralPath(generalPathX); |
484 |
return curve;
|
485 |
} |
486 |
|
487 |
/* (non-Javadoc)
|
488 |
* @see org.gvsig.fmap.geom.GeometryManager#createNullGeometry(int)
|
489 |
*/
|
490 |
public NullGeometry createNullGeometry(int subType) |
491 |
throws CreateGeometryException {
|
492 |
NullGeometry nullGeom = (NullGeometry)create(TYPES.NULL, subType); |
493 |
return nullGeom;
|
494 |
} |
495 |
|
496 |
/* (non-Javadoc)
|
497 |
* @see org.gvsig.fmap.geom.GeometryManager#createPoint(double, double, int)
|
498 |
*/
|
499 |
public Point createPoint(double x, double y, int subType) |
500 |
throws CreateGeometryException {
|
501 |
Point point = (Point)create(TYPES.POINT, subType); |
502 |
point.setX(x); |
503 |
point.setY(y); |
504 |
return point;
|
505 |
} |
506 |
|
507 |
/* (non-Javadoc)
|
508 |
* @see org.gvsig.fmap.geom.GeometryManager#createSurface(org.gvsig.fmap.geom.primitive.GeneralPathX, int)
|
509 |
*/
|
510 |
public Surface createSurface(GeneralPathX generalPathX, int subType) |
511 |
throws CreateGeometryException {
|
512 |
Surface surface = (Surface)create(TYPES.SURFACE, subType); |
513 |
surface.setGeneralPath(generalPathX); |
514 |
return surface;
|
515 |
} |
516 |
|
517 |
/* (non-Javadoc)
|
518 |
* @see org.gvsig.fmap.geom.GeometryManager#getGeometryOperation(int, int, int)
|
519 |
*/
|
520 |
public GeometryOperation getGeometryOperation(int opCode, int type, |
521 |
int subType) throws GeometryTypeNotSupportedException, |
522 |
GeometryOperationNotSupportedException, GeometryTypeNotValidException { |
523 |
GeometryType geometryType = getGeometryType(type, subType); |
524 |
return geometryType.getGeometryOperation(opCode);
|
525 |
} |
526 |
|
527 |
// /*
|
528 |
// * (non-Javadoc)
|
529 |
// * @see org.gvsig.fmap.geom.GeometryManager#getGeometryOperation(java.lang.Class, int)
|
530 |
// */
|
531 |
// private GeometryOperation getGeometryOperation(Class geomClass, int opCode) throws GeometryTypeNotSupportedException, GeometryOperationNotSupportedException {
|
532 |
//
|
533 |
// GeometryOperation geomOp = null;
|
534 |
//
|
535 |
// // Check if it is a common operation, and if so, get it from the common registry
|
536 |
// if (opCode >= COMMON_OPS_OFFSET) {
|
537 |
// geomOp = ((GeometryOperation)commonOperations.get(opCode - COMMON_OPS_OFFSET));
|
538 |
//
|
539 |
// if (geomOp == null) {
|
540 |
// throw new GeometryOperationNotSupportedException(opCode);
|
541 |
// }
|
542 |
// } else {
|
543 |
// // If it is type specific, get it from its type registry
|
544 |
// if (geomClass != null) {
|
545 |
// GeometryType geomType = getGeometryType(geomClass);
|
546 |
//
|
547 |
// // If the geometry type is not registered, throw an exception
|
548 |
// if (geomType == null) {
|
549 |
// throw new GeometryTypeNotSupportedException(geomClass);
|
550 |
// }
|
551 |
//
|
552 |
// // Get the operation
|
553 |
// geomOp = geomType.getGeometryOperation(opCode);
|
554 |
//
|
555 |
// // If the operation is not registered throw an exception
|
556 |
// if (geomOp == null) {
|
557 |
// throw new GeometryOperationNotSupportedException(opCode, geomType);
|
558 |
// }
|
559 |
// }
|
560 |
// }
|
561 |
// return geomOp;
|
562 |
// }
|
563 |
|
564 |
/*
|
565 |
* (non-Javadoc)
|
566 |
* @see org.gvsig.fmap.geom.GeometryManager#invokeOperation(int, org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.geom.operation.GeometryOperationContext)
|
567 |
*/
|
568 |
public Object invokeOperation(int opCode, Geometry geom, GeometryOperationContext ctx) throws GeometryOperationNotSupportedException, GeometryOperationException { |
569 |
GeometryOperation geomOp = geom.getGeometryType().getGeometryOperation(opCode); |
570 |
|
571 |
if (geomOp != null) { |
572 |
return geomOp.invoke(geom, ctx);
|
573 |
} |
574 |
|
575 |
throw new GeometryOperationNotSupportedException(opCode, geom.getGeometryType()); |
576 |
} |
577 |
|
578 |
/* (non-Javadoc)
|
579 |
* @see org.gvsig.fmap.geom.GeometryManager#invokeOperation(java.lang.String, org.gvsig.fmap.geom.Geometry, org.gvsig.fmap.geom.operation.GeometryOperationContext)
|
580 |
*/
|
581 |
public Object invokeOperation(String geomOpName, Geometry geom, |
582 |
GeometryOperationContext ctx) |
583 |
throws GeometryOperationNotSupportedException,
|
584 |
GeometryOperationException { |
585 |
int index = geometryOperations.indexOf(geomOpName);
|
586 |
if (index == -1){ |
587 |
throw new GeometryOperationNotSupportedException(-1); |
588 |
} |
589 |
return invokeOperation(index, geom, ctx);
|
590 |
} |
591 |
|
592 |
/*
|
593 |
* (non-Javadoc)
|
594 |
* @see org.gvsig.fmap.geom.GeometryManager#invokeOperation(java.lang.String, org.gvsig.fmap.geom.operation.GeometryOperationContext)
|
595 |
*/
|
596 |
public Object invokeOperation(String geomOpName, GeometryOperationContext ctx) |
597 |
throws GeometryOperationNotSupportedException, GeometryOperationException {
|
598 |
int index = geometryOperations.indexOf(geomOpName);
|
599 |
if (index == -1) |
600 |
throw new GeometryOperationNotSupportedException(-1); |
601 |
DefaultGeometryType type = (DefaultGeometryType)geometryTypeName.get(DefaultNullGeometry.class.getName()); |
602 |
if(type != null) { |
603 |
GeometryOperation geomOp = type.getGeometryOperation(index); |
604 |
return geomOp.invoke(null, ctx); |
605 |
} |
606 |
return null; |
607 |
} |
608 |
|
609 |
/*
|
610 |
* (non-Javadoc)
|
611 |
* @see org.gvsig.fmap.geom.GeometryManager#unregisterGeometryType(java.lang.Class)
|
612 |
*/
|
613 |
public GeometryType unregisterGeometryType(Class geomClass) { |
614 |
return (GeometryType) geometryTypeName.remove(geomClass.getName());
|
615 |
} |
616 |
|
617 |
/* (non-Javadoc)
|
618 |
* @see org.gvsig.fmap.geom.GeometryManager#createEnvelope(int)
|
619 |
*/
|
620 |
public Envelope createEnvelope(int subType) { |
621 |
//TODO: register the envelopes!!!
|
622 |
switch (subType){
|
623 |
case SUBTYPES.GEOM2DZ:
|
624 |
case SUBTYPES.GEOM3D:
|
625 |
return new Envelope3D(); |
626 |
default:
|
627 |
return new Envelope2D(); |
628 |
} |
629 |
} |
630 |
|
631 |
|
632 |
/* (non-Javadoc)
|
633 |
* @see org.gvsig.fmap.geom.GeometryManager#createEnvelope(double, double, double, double)
|
634 |
*/
|
635 |
public Envelope createEnvelope(double minX, double minY, double maxX, |
636 |
double maxY, int subType) throws CreateEnvelopeException { |
637 |
org.gvsig.fmap.geom.primitive.Point min = null;
|
638 |
org.gvsig.fmap.geom.primitive.Point max = null;
|
639 |
try {
|
640 |
GeometryType gType = getGeometryType(TYPES.POINT, subType); |
641 |
min = (Point) gType.create();
|
642 |
min.setX(minX); |
643 |
min.setY(minY); |
644 |
max = (Point) gType.create();
|
645 |
max.setX(maxX); |
646 |
max.setY(maxY); |
647 |
// min = createPoint(minX, minY, subType);
|
648 |
// max = createPoint(maxX, maxY, subType);
|
649 |
} catch (CreateGeometryException e) {
|
650 |
throw new CreateEnvelopeException(subType, e); |
651 |
} catch (GeometryTypeNotSupportedException e) {
|
652 |
throw new CreateEnvelopeException(subType, e); |
653 |
} catch (GeometryTypeNotValidException e) {
|
654 |
throw new CreateEnvelopeException(subType, e); |
655 |
} |
656 |
switch (subType) {
|
657 |
case SUBTYPES.GEOM2D:
|
658 |
case SUBTYPES.GEOM2DM:
|
659 |
// Small optimization to directly create an Envelope2D
|
660 |
// return new Envelope2D(minX, minY, maxX, maxY);
|
661 |
return new Envelope2D(min, max); |
662 |
default:
|
663 |
Envelope envelope = createEnvelope(subType); |
664 |
envelope.setLowerCorner(min); |
665 |
envelope.setUpperCorner(max); |
666 |
return envelope;
|
667 |
} |
668 |
} |
669 |
|
670 |
public MultiCurve createMultiCurve(GeneralPathX generalPathX, int subType) |
671 |
throws CreateGeometryException {
|
672 |
if (subType != SUBTYPES.GEOM2D){
|
673 |
// FIXME Exception
|
674 |
throw new UnsupportedOperationException(); |
675 |
} |
676 |
MultiCurve multiCurve = (MultiCurve) create(TYPES.MULTICURVE, subType); |
677 |
PathIterator piter = generalPathX.getPathIterator(null); |
678 |
GeneralPathX tmpPath = null;
|
679 |
Curve tmpCurve = null;
|
680 |
double[] coords = new double[6]; |
681 |
double[] first = new double[6]; |
682 |
int type;
|
683 |
while (!piter.isDone()) {
|
684 |
type = piter.currentSegment(coords); |
685 |
switch (type) {
|
686 |
case PathIterator.SEG_MOVETO: |
687 |
if (tmpPath != null){ |
688 |
tmpCurve = createCurve(tmpPath, subType); |
689 |
multiCurve.addCurve(tmpCurve); |
690 |
} |
691 |
System.arraycopy(coords, 0, first, 0, 2); |
692 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
693 |
tmpPath.moveTo(coords[0], coords[1]); |
694 |
break;
|
695 |
|
696 |
|
697 |
case PathIterator.SEG_LINETO: |
698 |
if (tmpPath == null) { |
699 |
System.arraycopy(coords, 0, first, 0, 2); |
700 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
701 |
} |
702 |
tmpPath.lineTo(coords[0], coords[1]); |
703 |
break;
|
704 |
|
705 |
|
706 |
case PathIterator.SEG_QUADTO: |
707 |
if (tmpPath == null) { |
708 |
System.arraycopy(coords, 0, first, 0, 2); |
709 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
710 |
} |
711 |
tmpPath.quadTo(coords[0], coords[1], coords[2], coords[3]); |
712 |
break;
|
713 |
|
714 |
case PathIterator.SEG_CUBICTO: |
715 |
if (tmpPath == null) { |
716 |
System.arraycopy(coords, 0, first, 0, 2); |
717 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
718 |
} |
719 |
tmpPath.curveTo(coords[0], coords[1], coords[2], coords[3], |
720 |
coords[4], coords[5]); |
721 |
break;
|
722 |
|
723 |
case PathIterator.SEG_CLOSE: |
724 |
tmpPath.lineTo(first[0], first[1]); |
725 |
break;
|
726 |
|
727 |
} // end switch
|
728 |
|
729 |
piter.next(); |
730 |
|
731 |
} |
732 |
if (tmpPath != null) { |
733 |
tmpCurve = createCurve(tmpPath, subType); |
734 |
multiCurve.addCurve(tmpCurve); |
735 |
} |
736 |
|
737 |
return multiCurve;
|
738 |
|
739 |
} |
740 |
|
741 |
public MultiSurface createMultiSurface(GeneralPathX generalPathX,
|
742 |
int subType) throws CreateGeometryException { |
743 |
if (subType != SUBTYPES.GEOM2D) {
|
744 |
// FIXME Exception
|
745 |
throw new UnsupportedOperationException(); |
746 |
} |
747 |
MultiSurface multiSurface = (MultiSurface) create(TYPES.MULTISURFACE, |
748 |
subType); |
749 |
PathIterator piter = generalPathX.getPathIterator(null); |
750 |
GeneralPathX tmpPath = null;
|
751 |
Surface tmpSurface = null;
|
752 |
double[] coords = new double[6]; |
753 |
double[] first = new double[6]; |
754 |
int type;
|
755 |
while (!piter.isDone()) {
|
756 |
type = piter.currentSegment(coords); |
757 |
switch (type) {
|
758 |
case PathIterator.SEG_MOVETO: |
759 |
if (tmpPath != null) { |
760 |
tmpSurface = createSurface(tmpPath, subType); |
761 |
multiSurface.addSurface(tmpSurface); |
762 |
} |
763 |
System.arraycopy(coords, 0, first, 0, 2); |
764 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
765 |
tmpPath.moveTo(coords[0], coords[1]); |
766 |
|
767 |
case PathIterator.SEG_LINETO: |
768 |
if (tmpPath == null) { |
769 |
System.arraycopy(coords, 0, first, 0, 2); |
770 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
771 |
} |
772 |
tmpPath.lineTo(coords[0], coords[1]); |
773 |
break;
|
774 |
|
775 |
|
776 |
case PathIterator.SEG_QUADTO: |
777 |
if (tmpPath == null) { |
778 |
System.arraycopy(coords, 0, first, 0, 2); |
779 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
780 |
} |
781 |
tmpPath.quadTo(coords[0], coords[1], coords[2], coords[3]); |
782 |
break;
|
783 |
|
784 |
case PathIterator.SEG_CUBICTO: |
785 |
if (tmpPath == null) { |
786 |
System.arraycopy(coords, 0, first, 0, 2); |
787 |
tmpPath = new GeneralPathX(piter.getWindingRule());
|
788 |
} |
789 |
tmpPath.curveTo(coords[0], coords[1], coords[2], coords[3], |
790 |
coords[4], coords[5]); |
791 |
break;
|
792 |
|
793 |
case PathIterator.SEG_CLOSE: |
794 |
tmpPath.lineTo(first[0], first[1]); |
795 |
break;
|
796 |
} // end switch
|
797 |
|
798 |
piter.next(); |
799 |
|
800 |
} |
801 |
if (tmpPath != null) { |
802 |
tmpSurface = createSurface(tmpPath, subType); |
803 |
multiSurface.addSurface(tmpSurface); |
804 |
} |
805 |
|
806 |
return multiSurface;
|
807 |
|
808 |
} |
809 |
|
810 |
/* (non-Javadoc)
|
811 |
* @see org.gvsig.fmap.geom.GeometryManager#getGeometryOperationCode(java.lang.String)
|
812 |
*/
|
813 |
public int getGeometryOperationCode(String geomOpName) { |
814 |
if (geomOpName == null) { |
815 |
throw new IllegalArgumentException("geomOpName cannot be null."); |
816 |
} |
817 |
|
818 |
int index = geometryOperations.indexOf(geomOpName);
|
819 |
if (index == -1) { |
820 |
geometryOperations.add(geomOpName); |
821 |
index = geometryOperations.indexOf(geomOpName); |
822 |
} |
823 |
return index;
|
824 |
} |
825 |
|
826 |
/* (non-Javadoc)
|
827 |
* @see org.gvsig.fmap.geom.GeometryManager#getGeometryOperationNames()
|
828 |
*/
|
829 |
public List getGeometryOperationNames() { |
830 |
List operations = new ArrayList(); |
831 |
for (int i=0 ; i<operations.size() ; i++){ |
832 |
operations.add(geometryOperations.get(i)); |
833 |
} |
834 |
return operations;
|
835 |
} |
836 |
|
837 |
/*
|
838 |
* (non-Javadoc)
|
839 |
* @see org.gvsig.fmap.geom.GeometryManager#getFlatness()
|
840 |
*/
|
841 |
public double getFlatness() { |
842 |
return flatness;
|
843 |
} |
844 |
|
845 |
/*
|
846 |
* (non-Javadoc)
|
847 |
* @see org.gvsig.fmap.geom.GeometryManager#setFlatness(double)
|
848 |
*/
|
849 |
public void setFlatness(double flatness) { |
850 |
this.flatness = flatness;
|
851 |
} |
852 |
|
853 |
public Geometry createFrom(String wkt, String srs) throws GeometryException { |
854 |
FromWKTGeometryOperationContext context = new FromWKTGeometryOperationContext(wkt,srs);
|
855 |
try {
|
856 |
return (Geometry) this.invokeOperation(OPERATIONS.FROMWKT, context); |
857 |
} catch (GeometryOperationNotSupportedException e) {
|
858 |
throw new GeometryException(e); |
859 |
} catch (GeometryOperationException e) {
|
860 |
throw new GeometryException(e); |
861 |
} |
862 |
} |
863 |
|
864 |
public Geometry createFrom(byte[] wkb) throws GeometryException { |
865 |
FromWKBGeometryOperationContext context = new FromWKBGeometryOperationContext();
|
866 |
context.setData(wkb); |
867 |
try {
|
868 |
return (Geometry) this.invokeOperation(OPERATIONS.FROMWKB, context); |
869 |
} catch (GeometryOperationNotSupportedException e) {
|
870 |
throw new GeometryException(e); |
871 |
} catch (GeometryOperationException e) {
|
872 |
throw new GeometryException(e); |
873 |
} |
874 |
} |
875 |
} |