gvsig-geoprocess / org.gvsig.sextante / trunk / org.gvsig.geoprocess / org.gvsig.geoprocess.algorithm / org.gvsig.geoprocess.algorithm.merge / src / main / java / org / gvsig / geoprocess / algorithm / merge / MergeOperation.java @ 175
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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) 2010 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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package org.gvsig.geoprocess.algorithm.merge; |
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import es.unex.sextante.core.Sextante; |
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import es.unex.sextante.dataObjects.IVectorLayer; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.EditableFeature; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.geoprocess.algorithm.base.core.GeometryOperation; |
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import org.gvsig.geoprocess.core.gvVectorLayer; |
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/**
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* Builds a geometry with the intersection between two layers
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*
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* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a>
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*/
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public class MergeOperation extends GeometryOperation { |
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private IVectorLayer layer = null; |
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public MergeOperation(IVectorLayer layer) {
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this.layer = layer;
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} |
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/**
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* Computes intersection between the geometry and the overlay layer. The fields of the
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* intersected features will be added.
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* @param g
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* @param featureInput
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* @return
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*/
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public EditableFeature invoke(org.gvsig.fmap.geom.Geometry g, Feature featureInput) {
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if(g == null) |
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return lastEditFeature;
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try {
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if(inFeatureStore == ((gvVectorLayer)layer).getFeatureStore())
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lastEditFeature = persister.addFeature(featureInput, g); |
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else
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lastEditFeature = persister.addDifferentFieldFeature(featureInput, g); |
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} catch (CreateGeometryException e) {
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Sextante.addErrorToLog(e); |
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} catch (DataException e) {
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Sextante.addErrorToLog(e); |
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} |
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return lastEditFeature;
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} |
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/**
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* clips feature's geometry with the clipping geometry, preserving
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* feature's original attributes.
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* If feature's geometry doesn't touch clipping geometry, it will be
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* ignored.
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*/
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public void invoke(org.gvsig.fmap.geom.Geometry g, EditableFeature featureInput) { |
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try {
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lastEditFeature = persister.addGeometryToExistingFeature(featureInput, g); |
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} catch (CreateGeometryException e) {
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Sextante.addErrorToLog(e); |
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} catch (DataException e) {
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Sextante.addErrorToLog(e); |
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} |
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} |
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} |
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