svn-gvsig-desktop / trunk / extensions / extCAD / src / com / iver / cit / gvsig / gui / cad / tools / EquidistanceCADTool.java @ 23993
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.cit.gvsig.gui.cad.tools; |
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import java.awt.Graphics; |
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import java.awt.event.InputEvent; |
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import java.awt.geom.Point2D; |
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import java.util.ArrayList; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.CADExtension; |
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import com.iver.cit.gvsig.fmap.core.DefaultFeature; |
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import com.iver.cit.gvsig.fmap.core.FShape; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.core.v02.FConverter; |
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import com.iver.cit.gvsig.fmap.edition.DefaultRowEdited; |
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import com.iver.cit.gvsig.fmap.edition.UtilFunctions; |
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import com.iver.cit.gvsig.fmap.edition.VectorialEditableAdapter; |
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import com.iver.cit.gvsig.gui.cad.DefaultCADTool; |
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import com.iver.cit.gvsig.gui.cad.exception.CommandException; |
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import com.iver.cit.gvsig.gui.cad.tools.smc.EquidistanceCADToolContext; |
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import com.iver.cit.gvsig.gui.cad.tools.smc.EquidistanceCADToolContext.EquidistanceCADToolState; |
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import com.iver.cit.gvsig.layers.VectorialLayerEdited; |
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import com.vividsolutions.jts.algorithm.CGAlgorithms; |
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import com.vividsolutions.jts.geom.Coordinate; |
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import com.vividsolutions.jts.geom.Geometry; |
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import com.vividsolutions.jts.geom.GeometryFactory; |
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import com.vividsolutions.jts.geom.LineString; |
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import com.vividsolutions.jts.geom.LinearRing; |
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import com.vividsolutions.jts.geom.Point; |
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import com.vividsolutions.jts.simplify.TopologyPreservingSimplifier; |
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/**
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* Herramienta para crear una geometr?a equidistante a otra.
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*
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* @author Vicente Caballero Navarro
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*/
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public class EquidistanceCADTool extends DefaultCADTool { |
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protected EquidistanceCADToolContext _fsm;
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protected Point2D firstPoint=new Point2D.Double(800000,4500000); |
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protected Point2D secondPoint=new Point2D.Double(810000,4500000); |
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protected double distance=10; |
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private double distancePos=java.lang.Double.MAX_VALUE; |
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private LineString distanceLine;
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/**
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* Crea un nuevo EquidistanceCADTool.
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*/
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public EquidistanceCADTool() {
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} |
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/**
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* M?todo de inicio, para poner el c?digo de todo lo que se requiera de una
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* carga previa a la utilizaci?n de la herramienta.
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*/
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public void init() { |
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_fsm = new EquidistanceCADToolContext(this); |
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} |
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private Coordinate[] getParallel(Point2D[] points,double distance) { |
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Point2D[] pper=new Point2D[2]; |
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double angle=Math.toRadians(90)+UtilFunctions.getAngle(points[0],points[1]); |
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pper[0]=UtilFunctions.getPoint(points[0],angle,distance); |
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pper[1]=UtilFunctions.getPoint(points[1],angle,distance); |
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Coordinate[] result=new Coordinate[2]; |
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result[0]=new Coordinate(pper[0].getX(),pper[0].getY()); |
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result[1]=new Coordinate(pper[1].getX(),pper[1].getY()); |
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return result;
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, double, double)
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*/
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public void transition(double x, double y, InputEvent event) { |
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_fsm.addPoint(x, y, event); |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, double)
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*/
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public void transition(double d) { |
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_fsm.addValue(d); |
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} |
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/* (non-Javadoc)
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* @see com.iver.cit.gvsig.gui.cad.CADTool#transition(com.iver.cit.gvsig.fmap.layers.FBitSet, java.lang.String)
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*/
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public void transition(String s) throws CommandException { |
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if (!super.changeCommand(s)){ |
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_fsm.addOption(s); |
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} |
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} |
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/**
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* DOCUMENT ME!
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*/
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public void selection() { |
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ArrayList selectedRows=getSelectedRows();
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if (selectedRows.size() == 0 && !CADExtension.getCADTool().getClass().getName().equals("com.iver.cit.gvsig.gui.cad.tools.SelectionCADTool")) { |
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CADExtension.setCADTool("_selection",false); |
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((SelectionCADTool) CADExtension.getCADTool()).setNextTool( |
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"_Equidistance");
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} |
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} |
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/**
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* Equivale al transition del prototipo pero sin pasarle como par?metro el
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* editableFeatureSource que ya estar? creado.
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*
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* @param x par?metro x del punto que se pase en esta transici?n.
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* @param y par?metro y del punto que se pase en esta transici?n.
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*/
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public void addPoint(double x, double y,InputEvent event) { |
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EquidistanceCADToolState actualState = (EquidistanceCADToolState) _fsm.getPreviousState(); |
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String status = actualState.getName();
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if (status.equals("Equidistance.Distance")) { |
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firstPoint = new Point2D.Double(x, y); |
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} else if (status.equals("Equidistance.SecondPointDistance")) { |
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secondPoint = new Point2D.Double(x,y); |
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distance=secondPoint.distance(firstPoint); |
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} else if (status.equals("Equidistance.Position")) { |
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ArrayList selectedRow = getSelectedRows();
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ArrayList selectedRowAux=new ArrayList(); |
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VectorialLayerEdited vle = getVLE(); |
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VectorialEditableAdapter vea = vle.getVEA(); |
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PluginServices.getMDIManager().setWaitCursor(); |
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vea.startComplexRow(); |
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for (int i = 0; i < selectedRow.size(); i++) { |
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DefaultRowEdited row = (DefaultRowEdited) selectedRow |
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.get(i); |
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DefaultFeature fea = (DefaultFeature) row.getLinkedRow() |
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.cloneRow(); |
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IGeometry geometry=compute(fea,new Point2D.Double(x,y)); |
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addGeometry(geometry); |
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} |
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vea.endComplexRow(getName()); |
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vle.setSelectionCache(VectorialLayerEdited.SAVEPREVIOUS, selectedRowAux); |
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//clearSelection();
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//selectedRow.addAll(selectedRowAux);
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PluginServices.getMDIManager().restoreCursor(); |
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} |
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} |
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protected IGeometry compute(DefaultFeature fea, Point2D position){ |
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IGeometry geometry = fea.getGeometry(); |
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int typeGeometry = geometry.getGeometryType();
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Geometry g = geometry.toJTSGeometry(); |
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GeometryFactory factory=g.getFactory(); |
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Coordinate[] c2 = new Coordinate[2]; |
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Geometry g2 = null;
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Coordinate coordinatePosition=new Coordinate(position.getX(),position.getY());
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Point pPos=factory.createPoint(coordinatePosition);
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switch (typeGeometry) {
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case FShape.LINE:
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LineString lR =factory.createLineString(g.getCoordinates()); |
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g = TopologyPreservingSimplifier.simplify(lR, 10d);
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Geometry gLine = g.getGeometryN(0);
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Coordinate[] coordinatesLine = gLine.getCoordinates();
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int numPointsLine = gLine.getNumPoints();
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if (numPointsLine < 1) |
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return null; |
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LineString[] lineStrings = new LineString[numPointsLine - 1]; |
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for (int j = 1; j < numPointsLine; j = j + 1) { |
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c2[0] = coordinatesLine[j - 1]; |
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c2[1] = coordinatesLine[j];
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LineString lS=factory.createLineString(c2); |
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if (lS.distance(pPos)<distancePos) {
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distancePos=lS.distance(pPos); |
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distanceLine=(LineString)factory.createGeometry(lS); |
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} |
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} |
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setDistanceLine(coordinatePosition); |
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for (int j = 1; j < numPointsLine; j = j + 1) { |
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c2[0] = coordinatesLine[j - 1]; |
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c2[1] = coordinatesLine[j];
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Point2D[] points = new Point2D[2]; |
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points[0] = new Point2D.Double(c2[0].x, c2[0].y); |
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points[1] = new Point2D.Double(c2[1].x, c2[1].y); |
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lineStrings[j - 1] = factory.createLineString(
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getParallel(points, distance)); |
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} |
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for (int i = 0; i < lineStrings.length - 1; i++) { |
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Coordinate coord = lineStrings[i].getCoordinateN(0);
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Point2D p1 = new Point2D.Double(coord.x, coord.y); |
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coord = lineStrings[i].getCoordinateN(1);
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Point2D p2 = new Point2D.Double(coord.x, coord.y); |
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coord = lineStrings[i + 1].getCoordinateN(0); |
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Point2D p3 = new Point2D.Double(coord.x, coord.y); |
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coord = lineStrings[i + 1].getCoordinateN(1); |
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Point2D p4 = new Point2D.Double(coord.x, coord.y); |
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Point2D intersection = UtilFunctions.getIntersection(p1, p2,
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p3, p4); |
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Coordinate[] coords1 = new Coordinate[2]; |
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coords1[0] = lineStrings[i].getCoordinateN(0); |
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coords1[1] = new Coordinate(intersection.getX(), intersection |
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.getY()); |
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lineStrings[i] = factory.createLineString(coords1); |
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Coordinate[] coords2 = new Coordinate[2]; |
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coords2[0] = coords1[1]; |
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coords2[1] = lineStrings[i + 1].getCoordinateN(1); |
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lineStrings[i + 1] = factory.createLineString(
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coords2); |
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} |
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g2 = factory.createMultiLineString(lineStrings); |
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return FConverter.jts_to_igeometry(g2);
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case FShape.POLYGON:
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case FShape.CIRCLE:
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case FShape.ELLIPSE:
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g = TopologyPreservingSimplifier.simplify(g, 10d);
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Geometry gPolygon = g.getGeometryN(0);
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setDistancePolygon(gPolygon,pPos); |
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Coordinate[] coordinates = gPolygon.getCoordinates();
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int numPointsPolygon = gPolygon.getNumPoints();
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if (numPointsPolygon < 2) |
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return null; |
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LineString[] polygonStrings = new LineString[numPointsPolygon]; |
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for (int j = 1; j < numPointsPolygon; j = j + 1) { |
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c2[0] = coordinates[j - 1]; |
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c2[1] = coordinates[j];
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Point2D[] points = new Point2D[2]; |
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points[0] = new Point2D.Double(c2[0].x, c2[0].y); |
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points[1] = new Point2D.Double(c2[1].x, c2[1].y); |
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polygonStrings[j - 1] = factory.createLineString(
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getParallel(points, distance)); |
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} |
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for (int i = 0; i < polygonStrings.length - 2; i++) { |
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Coordinate coord = polygonStrings[i].getCoordinateN(0);
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Point2D p1 = new Point2D.Double(coord.x, coord.y); |
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coord = polygonStrings[i].getCoordinateN(1);
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Point2D p2 = new Point2D.Double(coord.x, coord.y); |
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coord = polygonStrings[i + 1].getCoordinateN(0); |
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Point2D p3 = new Point2D.Double(coord.x, coord.y); |
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coord = polygonStrings[i + 1].getCoordinateN(1); |
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Point2D p4 = new Point2D.Double(coord.x, coord.y); |
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Point2D intersection = UtilFunctions.getIntersection(p1, p2,
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p3, p4); |
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Coordinate[] coords1 = new Coordinate[2]; |
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coords1[0] = polygonStrings[i].getCoordinateN(0); |
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coords1[1] = new Coordinate(intersection.getX(), intersection |
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.getY()); |
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polygonStrings[i] = factory.createLineString( |
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coords1); |
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Coordinate[] coords2 = new Coordinate[2]; |
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coords2[0] = coords1[1]; |
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coords2[1] = polygonStrings[i + 1].getCoordinateN(1); |
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polygonStrings[i + 1] = factory.createLineString(
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coords2); |
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} |
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// /////////////
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Coordinate coord = polygonStrings[0].getCoordinateN(0); |
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Point2D p1 = new Point2D.Double(coord.x, coord.y); |
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coord = polygonStrings[0].getCoordinateN(1); |
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Point2D p2 = new Point2D.Double(coord.x, coord.y); |
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coord = polygonStrings[polygonStrings.length - 2].getCoordinateN(0); |
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Point2D p3 = new Point2D.Double(coord.x, coord.y); |
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coord = polygonStrings[polygonStrings.length - 2].getCoordinateN(1); |
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Point2D p4 = new Point2D.Double(coord.x, coord.y); |
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Point2D intersection = UtilFunctions
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.getIntersection(p1, p2, p3, p4); |
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Coordinate[] coords1 = new Coordinate[2]; |
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coords1[0] = polygonStrings[polygonStrings.length - 2] |
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.getCoordinateN(1);
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coords1[1] = new Coordinate(intersection.getX(), intersection |
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.getY()); |
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polygonStrings[polygonStrings.length - 1] = factory
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.createLineString(coords1); |
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// LineString[] pol=new LineString[polygonStrings.length-1];
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// for (int i=0;i<pol.length;i++) {
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// pol[i]=polygonStrings[i];
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// }
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Coordinate[] coords2 = new Coordinate[2]; |
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coords2[0] = coords1[1]; |
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coords2[1] = polygonStrings[0].getCoordinateN(1); |
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polygonStrings[0] = factory.createLineString(coords2);
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// ////////////////////////////////
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Geometry geometryCollection = factory |
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.createGeometryCollection(polygonStrings); |
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LinearRing linearRing = factory.createLinearRing( |
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geometryCollection.getCoordinates()); |
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LinearRing[] holes = new LinearRing[1]; |
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holes[0] = factory.createLinearRing(new Coordinate[0]); |
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g2 = factory.createPolygon(linearRing, holes); |
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return FConverter.jts_to_igeometry(g2);
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case FShape.MULTIPOINT:
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case FShape.POINT:
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break;
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default:
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break;
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} |
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return null; |
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} |
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private void setDistanceLine(Coordinate position) { |
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Coordinate pStart=distanceLine.getCoordinateN(0);
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Coordinate pEnd=distanceLine.getCoordinateN(distanceLine.getNumPoints()-1);
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int pos=CGAlgorithms.computeOrientation(pStart,pEnd,position);
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if (pos>0) |
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distance=Math.abs(distance);
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else
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distance=-Math.abs(distance);
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distancePos=java.lang.Double.MAX_VALUE; |
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distanceLine=null;
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} |
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private void setDistancePolygon(Geometry polygon, Geometry position) { |
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boolean intersects=polygon.intersects(position);
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if (intersects)
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distance=-Math.abs(distance);
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else
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distance=Math.abs(distance);
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} |
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/**
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* M?todo para dibujar la lo necesario para el estado en el que nos
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* encontremos.
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*
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* @param g Graphics sobre el que dibujar.
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* @param x par?metro x del punto que se pase para dibujar.
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* @param y par?metro x del punto que se pase para dibujar.
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*/
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public void drawOperation(Graphics g, double x, double y) { |
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} |
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/**
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* Add a diferent option.
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*
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* @param s
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* Diferent option.
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*/
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public void addOption(String s) { |
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// EquidistanceCADToolState actualState = (EquidistanceCADToolState) _fsm
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// .getPreviousState();
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// String status = actualState.getName();
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// if (status.equals("Equidistance.Distance")) {
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// distance=java.lang.Double.parseDouble(s);
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// }
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} |
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/*
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* (non-Javadoc)
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*
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* @see com.iver.cit.gvsig.gui.cad.CADTool#addvalue(double)
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*/
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public void addValue(double d) { |
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EquidistanceCADToolState actualState = (EquidistanceCADToolState) _fsm |
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.getPreviousState(); |
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String status = actualState.getName();
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if (status.equals("Equidistance.Distance")) { |
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distance=d; |
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} |
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} |
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public String getName() { |
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return PluginServices.getText(this,"Equidistance_"); |
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} |
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public String toString() { |
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return "_Equidistance"; |
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} |
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public boolean isApplicable(int shapeType) { |
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if (shapeType==FShape.POINT ||
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shapeType==FShape.MULTIPOINT) { |
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return false; |
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} |
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return true; |
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} |
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} |