svn-gvsig-desktop / tags / v1_1_Build_1002 / extensions / extGeoProcessing / src / com / iver / cit / gvsig / geoprocess / impl / buffer / fmap / ConstantDistanceBufferVisitor.java @ 12070
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/*
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* Created on 02-feb-2006
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*
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* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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/* CVS MESSAGES:
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*
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* $Id: ConstantDistanceBufferVisitor.java 12070 2007-06-07 14:39:32Z $
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* $Log$
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* Revision 1.3.2.1 2006-11-15 00:08:17 jjdelcerro
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* *** empty log message ***
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*
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* Revision 1.4 2006/09/15 10:42:54 caballero
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* extensibilidad de documentos
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*
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* Revision 1.3 2006/08/29 07:21:09 cesar
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* Rename com.iver.cit.gvsig.fmap.Fmap class to com.iver.cit.gvsig.fmap.MapContext
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*
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* Revision 1.2 2006/06/29 17:31:47 azabala
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* Uses UnitUtils
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*
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* Revision 1.1 2006/06/20 18:20:45 azabala
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* first version in cvs
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*
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* Revision 1.2 2006/06/02 18:20:33 azabala
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* limpieza de imports
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*
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* Revision 1.1 2006/05/24 21:14:41 azabala
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* primera version en cvs despues de refactoring orientado a crear un framework extensible de geoprocessing
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*
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* Revision 1.8 2006/05/01 19:18:09 azabala
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* revisi?n general del buffer (a?adidos anillos concentricos, buffers interiores y exteriores, etc)
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*
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* Revision 1.7 2006/03/28 16:27:16 azabala
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* *** empty log message ***
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*
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* Revision 1.6 2006/03/07 21:01:33 azabala
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* *** empty log message ***
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*
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* Revision 1.5 2006/03/06 19:48:39 azabala
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* *** empty log message ***
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*
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* Revision 1.3 2006/03/05 19:57:05 azabala
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* *** empty log message ***
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*
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* Revision 1.2 2006/02/20 19:44:21 azabala
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* *** empty log message ***
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*
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* Revision 1.1 2006/02/17 16:31:38 azabala
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* *** empty log message ***
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*
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* Revision 1.3 2006/02/12 21:02:58 azabala
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* *** empty log message ***
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*
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* Revision 1.2 2006/02/09 16:01:06 azabala
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* First version in CVS
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*
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* Revision 1.1 2006/02/02 19:46:51 azabala
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* First version in CVS
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*
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*
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*/
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package com.iver.cit.gvsig.geoprocess.impl.buffer.fmap; |
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import org.cresques.cts.IProjection; |
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import org.cresques.cts.gt2.CSUTM; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.MapContext; |
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import com.iver.cit.gvsig.fmap.core.IGeometry; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.GeoprocessException; |
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import com.iver.cit.gvsig.geoprocess.core.util.UnitUtils; |
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import com.iver.cit.gvsig.project.documents.view.gui.View; |
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/**
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* This FeatureVisitor computes buffers and saves
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* it to a new FLayer.
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* All IFeature of this Layer will have the same buffer
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* distance.
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*
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* @author azabala
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*
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*/
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public class ConstantDistanceBufferVisitor extends BufferVisitor { |
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/**
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* buffer distance to use
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*/
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private double distance; |
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/**
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* Constructor
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* @param distance buffer distance to use
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* @throws GeoprocessException
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*/
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public ConstantDistanceBufferVisitor(double distance) throws GeoprocessException{ |
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this.distance = distance;
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} |
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public void stop(FLayer layer) { |
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//we must flush JTS processors
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resultsProcessor.finish(); |
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} |
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/**
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* This FeatureVisitor only work with Vectorial
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* Layers
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*/
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public boolean start(FLayer layer) { |
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if(layer instanceof FLyrVect){ |
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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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public double getBufferDistance(IGeometry g, int index) { |
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//first: pass the user entry to internal units
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return UnitUtils.getInInternalUnits(distance);
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} |
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public String getProcessDescription() { |
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return "Computing buffers with constant distances"; |
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} |
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} |
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