gvsig-geoprocess / org.gvsig.geoprocess / trunk / org.gvsig.geoprocess / org.gvsig.geoprocess.algorithm / org.gvsig.geoprocess.algorithm.fusespatially / src / main / java / org / gvsig / geoprocess / algorithm / fusespatially / FuseSpatiallyAlgorithm.java @ 741
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2012 gvSIG Association.
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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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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.geoprocess.algorithm.fusespatially; |
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import java.util.ArrayList; |
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import java.util.List; |
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import org.gvsig.fmap.dal.exception.DataException; |
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import org.gvsig.fmap.dal.feature.Feature; |
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import org.gvsig.fmap.dal.feature.FeatureAttributeDescriptor; |
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import org.gvsig.fmap.dal.feature.FeatureSet; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.geoprocess.algorithm.dissolve.DissolveAlgorithm; |
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import org.gvsig.geoprocess.lib.sextante.AbstractSextanteGeoProcess; |
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import org.gvsig.geoprocess.lib.sextante.dataObjects.FlyrVectIVectorLayer; |
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import org.gvsig.tools.task.SimpleTaskStatus; |
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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 es.unex.sextante.exceptions.GeoAlgorithmExecutionException; |
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import es.unex.sextante.exceptions.RepeatedParameterNameException; |
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import es.unex.sextante.exceptions.UnsupportedOutputChannelException; |
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import es.unex.sextante.outputs.OutputVectorLayer; |
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import java.util.Iterator; |
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/**
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* Fuse spatially algorithm
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* @author <a href="mailto:nachobrodin@gmail.com">Nacho Brodin</a>
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*/
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public class FuseSpatiallyAlgorithm extends AbstractSextanteGeoProcess { |
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public static final String RESULT = "RESULT"; |
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public static final String RESULT_TABLE = "RESULT_TABLE"; |
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public static final String LAYER = "LAYER"; |
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public static final String SELECTED_GEOM = "SELECTED_GEOM"; |
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private AbstractSextanteGeoProcess process = null; |
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private String fid = "FID"; |
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/*
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* (non-Javadoc)
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* @see es.unex.sextante.core.GeoAlgorithm#defineCharacteristics()
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*/
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public void defineCharacteristics(){ |
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setName(getTranslation("fusespatially"));
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setGroup(getTranslation("basic_vect_algorithms"));
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// setGeneratesUserDefinedRasterOutput(false);
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try {
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m_Parameters.addInputVectorLayer(LAYER, getTranslation("Input_layer"), IVectorLayer.SHAPE_TYPE_WRONG, true); |
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m_Parameters.addBoolean(SELECTED_GEOM, getTranslation("Selected_geometries_fuse"), false); |
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addOutputVectorLayer(RESULT, getTranslation("fuse_spatially") + " ", OutputVectorLayer.SHAPE_TYPE_UNDEFINED); |
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addOutputVectorLayer(RESULT_TABLE, getTranslation("fuse_spatially") + "_" + getTranslation("Table") + " ", OutputVectorLayer.SHAPE_TYPE_UNDEFINED); |
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} catch (RepeatedParameterNameException e) {
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Sextante.addErrorToLog(e); |
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} |
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} |
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public void setParentProcess(AbstractSextanteGeoProcess process) { |
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this.process = process;
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} |
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/*
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* (non-Javadoc)
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* @see es.unex.sextante.core.GeoAlgorithm#processAlgorithm()
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*/
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@SuppressWarnings("unchecked") |
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public boolean processAlgorithm() throws GeoAlgorithmExecutionException { |
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if(existsOutPutFile(DissolveAlgorithm.RESULT, 0)) { |
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throw new GeoAlgorithmExecutionException(getTranslation("file_exists")); |
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} |
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IVectorLayer layer = m_Parameters.getParameterValueAsVectorLayer(LAYER); |
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boolean selectedGeom = m_Parameters.getParameterValueAsBoolean(SELECTED_GEOM);
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FeatureStore storeLayer = null;
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if(layer instanceof FlyrVectIVectorLayer) |
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storeLayer = ((FlyrVectIVectorLayer)layer).getFeatureStore(); |
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else
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return false; |
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try {
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String[] attrNames = new String[]{"FID"}; |
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Class[] types = new Class[] {Integer.class}; |
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FeatureStore outFeatStore = buildFuseSpatiallyOutPutStore(attrNames, types, |
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layer.getShapeType(), getTranslation("fusespatially"), RESULT);
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return execute(storeLayer, outFeatStore, layer.getShapeType(), selectedGeom, getStatus(), "FID", true); |
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} catch (DataException e) {
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Sextante.addErrorToLog(e); |
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return false; |
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} |
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} |
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public boolean execute(FeatureStore inputStoreLayer, |
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FeatureStore outFeatStore, |
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int shapeType,
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boolean selectedGeom,
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SimpleTaskStatus status, |
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String idField,
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boolean createTable) throws DataException { |
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FeatureStore outFeatStoreTable = null;
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String[] attrNamesTable = null; |
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if(createTable) {
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attrNamesTable = new String[inputStoreLayer.getDefaultFeatureType().size() + 1]; |
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Class[] typesTable = new Class[inputStoreLayer.getDefaultFeatureType().size() + 1]; |
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attrNamesTable[0] = fid;
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typesTable[0] = Integer.class; |
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for (int i = 0; i < inputStoreLayer.getDefaultFeatureType().size(); i++) { |
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FeatureAttributeDescriptor attrDesc = inputStoreLayer.getDefaultFeatureType().getAttributeDescriptor(i); |
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attrNamesTable[i + 1] = attrDesc.getName();
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typesTable[i + 1] = attrDesc.getDataType().getDefaultClass();
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} |
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attrNamesTable = checkFields(attrNamesTable); |
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outFeatStoreTable = buildFuseSpatiallyOutPutStore(attrNamesTable, typesTable, |
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shapeType, getTranslation("fusespatially") + "_Table", RESULT_TABLE); |
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} |
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FuseSpatiallyOperationFast2 operation = new FuseSpatiallyOperationFast2(this); |
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operation.setTaskStatus(getStatus()); |
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operation.computesGeometryOperation(inputStoreLayer, |
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outFeatStore, |
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outFeatStoreTable, |
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new String[]{fid}, |
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attrNamesTable, |
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selectedGeom, |
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false,
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idField); |
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if(getTaskMonitor().isCanceled())
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return false; |
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/*computesGeometryOperation(inputStoreLayer, outFeatStore, outFeatStoreTable,
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attrNames, attrNamesTable, selectedGeom, status, idField);*/
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return true; |
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} |
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/**
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* Removes duplicate fields
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* @param names
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* @return
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*/
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public String[] checkFields(String[] names) { |
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if(names.length <= 1) |
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return names;
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int cont = 0; |
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int i = 1; |
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while(i < names.length) {
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if(names[0].compareTo(names[i]) == 0) { |
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names[0] = "FID_" + cont; |
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i = 0;
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cont ++; |
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} |
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i ++; |
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} |
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return names;
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} |
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/**
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* Computes a complete operation over the input FeatureStore. The result of this operation
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* is stored in the output FeatureStore. This method will call once for each geometry.
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* @param inFeatStore
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* Input FeatureStore
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* @param outFeatStore
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* Output FeatureStore
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* @param attrNames
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* List of attributes to build the output feature store
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* @param selectedGeom
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* If it is true only the selected geometries will be processed
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* @deprecated This method uses FuseSpatiallyOperation which is deprecated
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* @throws DataException
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*/
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@SuppressWarnings("deprecation") |
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public void computesGeometryOperation(FeatureStore inFeatStore, |
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FeatureStore outFeatStore, |
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FeatureStore outFeatStoreTable, |
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String[] attrNames, |
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String[] attrNamesTable, |
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boolean selectedGeom,
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SimpleTaskStatus status, |
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String idField) throws DataException { |
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FeatureSet featuresSet = null;
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Iterator it = null; |
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if(selectedGeom) {
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featuresSet = (FeatureSet)inFeatStore.getSelection(); |
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} else {
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featuresSet = inFeatStore.getFeatureSet(); |
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} |
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it = featuresSet.iterator(); |
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int numberOfFeatures = (int)featuresSet.getSize(); |
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if (status != null) { |
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status.setRangeOfValues(0, numberOfFeatures);
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} |
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//Stack<Feature> featList = new Stack<Feature>();
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List<Feature> featList = new ArrayList<Feature>(); |
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while( it.hasNext() ) {
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Feature feature = (Feature)it.next(); |
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featList.add(feature); |
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} |
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FuseSpatiallyOperation operation = new FuseSpatiallyOperation(featList,
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outFeatStoreTable, |
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attrNamesTable, |
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idField, |
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this);
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operation.setFeatureStore(outFeatStore, attrNames); |
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int size = featList.size();
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operation.setGeoProcess(this, size);
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while (featList.size() > 0 && !m_Task.isCanceled()) { |
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Feature f = featList.remove(featList.size() - 1);
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operation.invoke(f.getDefaultGeometry(), f); |
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setProgress(size - featList.size(), size); |
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} |
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if(operation.getWriter() != null) |
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operation.getWriter().end(); |
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} |
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public boolean setProgress(int step, int size) { |
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if(process != null) |
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return process.setProgress(step, size);
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else
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return super.setProgress(step, size); |
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} |
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/**
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* Builds the output FeatureStore
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* @param featureType
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* @return FeatureStore
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*/
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@SuppressWarnings("unchecked") |
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protected FeatureStore buildFuseSpatiallyOutPutStore(String[] attrNames, |
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Class[] types, |
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int shapeType,
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String sextanteLayerName,
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String sextanteLayerLabel) {
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try {
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IVectorLayer output = getNewVectorLayer(sextanteLayerLabel, |
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sextanteLayerName, |
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shapeType, types, attrNames); |
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return ((FlyrVectIVectorLayer)output).getFeatureStore();
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} catch (UnsupportedOutputChannelException e) {
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Sextante.addErrorToLog(e); |
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} catch (GeoAlgorithmExecutionException e) {
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Sextante.addErrorToLog(e); |
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} |
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return null; |
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} |
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} |