Revision 1291 org.gvsig.geoprocess/trunk/org.gvsig.geoprocess/org.gvsig.geoprocess.algorithm/org.gvsig.geoprocess.algorithm.intersection/src/main/java/org/gvsig/geoprocess/algorithm/intersection/IntersectionAlgorithm.java
| IntersectionAlgorithm.java | ||
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* <LI>Line-Line: 2 layers (point, line)</LI> |
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* <LI>Point-Point: 1 layer (point)</LI> |
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* </UL> |
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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 IntersectionAlgorithm extends AbstractSextanteGeoProcess {
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public static final String RESULT_POL = "RESULT_POL";
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public static final String RESULT_POINT = "RESULT_POINT";
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public static final String RESULT_LINE = "RESULT_LINE";
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public static final String LAYER = "LAYER";
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public static final String INTER = "INTER";
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public static final String SELECTGEOM_INPUT = "SELECTGEOM_INPUT";
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public static final String SELECTGEOM_OVERLAY = "SELECTGEOM_OVERLAY";
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public static final String RESULT_POL = "RESULT_POL";
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public static final String RESULT_POINT = "RESULT_POINT";
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public static final String RESULT_LINE = "RESULT_LINE";
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public static final String LAYER = "LAYER";
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public static final String INTER = "INTER";
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public static final String SELECTGEOM_INPUT = "SELECTGEOM_INPUT";
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public static final String SELECTGEOM_OVERLAY = "SELECTGEOM_OVERLAY";
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/*
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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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*/
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public void defineCharacteristics() {
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setName(getTranslation("Intersection"));
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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,
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getTranslation("Input_layer"),
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IVectorLayer.SHAPE_TYPE_WRONG,
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true);
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m_Parameters.addInputVectorLayer(INTER,
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getTranslation("Overlays_layer"),
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IVectorLayer.SHAPE_TYPE_WRONG,
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true);
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try {
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m_Parameters.addInputVectorLayer(LAYER,
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getTranslation("Input_layer"),
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IVectorLayer.SHAPE_TYPE_WRONG,
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true);
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m_Parameters.addInputVectorLayer(INTER,
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getTranslation("Overlays_layer"),
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IVectorLayer.SHAPE_TYPE_WRONG,
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true);
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m_Parameters.addBoolean(SELECTGEOM_INPUT, |
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getTranslation("Selected_geometries_input_layer_inters"), false);
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getTranslation("Selected_geometries_input_layer_inters"), false);
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m_Parameters.addBoolean(SELECTGEOM_OVERLAY, |
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getTranslation("Selected_geometries_overlay_layer_inters"), false);
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} catch (RepeatedParameterNameException e) {
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Sextante.addErrorToLog(e);
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}
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addOutputVectorLayer(RESULT_POL, getTranslation("Intersection_polygon"),
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OutputVectorLayer.SHAPE_TYPE_POLYGON);
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addOutputVectorLayer(RESULT_LINE, getTranslation("Intersection_line"),
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OutputVectorLayer.SHAPE_TYPE_LINE);
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addOutputVectorLayer(RESULT_POINT, getTranslation("Intersection_point"),
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OutputVectorLayer.SHAPE_TYPE_POINT);
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}
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getTranslation("Selected_geometries_overlay_layer_inters"), false);
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} catch (RepeatedParameterNameException e) {
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Sextante.addErrorToLog(e);
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}
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addOutputVectorLayer(RESULT_POL, getTranslation("Intersection_polygon"),
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OutputVectorLayer.SHAPE_TYPE_POLYGON);
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addOutputVectorLayer(RESULT_LINE, getTranslation("Intersection_line"),
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OutputVectorLayer.SHAPE_TYPE_LINE);
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addOutputVectorLayer(RESULT_POINT, getTranslation("Intersection_point"),
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OutputVectorLayer.SHAPE_TYPE_POINT);
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}
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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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public boolean processAlgorithm() throws GeoAlgorithmExecutionException {
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if(existsOutPutFile(IntersectionAlgorithm.RESULT_LINE, 0)) {
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throw new GeoAlgorithmExecutionException(getTranslation("file_exists"));
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}
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if(existsOutPutFile(IntersectionAlgorithm.RESULT_POINT, 0)) {
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throw new GeoAlgorithmExecutionException(getTranslation("file_exists"));
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}
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if(existsOutPutFile(IntersectionAlgorithm.RESULT_LINE, 0)) {
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throw new GeoAlgorithmExecutionException(getTranslation("file_exists"));
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}
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IVectorLayer inter = m_Parameters.getParameterValueAsVectorLayer(INTER);
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IVectorLayer layer = m_Parameters.getParameterValueAsVectorLayer(LAYER);
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boolean selectedGeomInput = m_Parameters.getParameter(SELECTGEOM_INPUT).getParameterValueAsBoolean();
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boolean selectedGeomOverlay = m_Parameters.getParameter(SELECTGEOM_OVERLAY).getParameterValueAsBoolean();
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boolean error = false;
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*/
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public boolean processAlgorithm() throws GeoAlgorithmExecutionException {
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if (existsOutPutFile(IntersectionAlgorithm.RESULT_LINE, 0)) {
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throw new GeoAlgorithmExecutionException(getTranslation("file_exists"));
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}
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if (existsOutPutFile(IntersectionAlgorithm.RESULT_POINT, 0)) {
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throw new GeoAlgorithmExecutionException(getTranslation("file_exists"));
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}
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if (existsOutPutFile(IntersectionAlgorithm.RESULT_LINE, 0)) {
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throw new GeoAlgorithmExecutionException(getTranslation("file_exists"));
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}
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IVectorLayer inter = m_Parameters.getParameterValueAsVectorLayer(INTER);
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IVectorLayer layer = m_Parameters.getParameterValueAsVectorLayer(LAYER);
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boolean selectedGeomInput = m_Parameters.getParameter(SELECTGEOM_INPUT).getParameterValueAsBoolean();
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boolean selectedGeomOverlay = m_Parameters.getParameter(SELECTGEOM_OVERLAY).getParameterValueAsBoolean();
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boolean error = false;
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try {
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error = computesIntersection(layer, inter, layer.getShapeType(), selectedGeomInput, selectedGeomOverlay);
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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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try {
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error = computesIntersection(layer, inter, layer.getShapeType(), selectedGeomInput, selectedGeomOverlay);
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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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if(getTaskMonitor().isCanceled()) |
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return false; |
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if(error) |
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JOptionPane.showMessageDialog(null, |
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getTranslation("problems_with_some_geometries"), "Error",
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JOptionPane.WARNING_MESSAGE); |
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return true; |
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} |
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if (getTaskMonitor().isCanceled()) {
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return false; |
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} |
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if (error) {
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JOptionPane.showMessageDialog(null, |
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getTranslation("problems_with_some_geometries"), "Error",
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JOptionPane.WARNING_MESSAGE); |
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} |
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return true; |
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} |
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/** |
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* Builds a layer with the intersection between the input layer and the templateGeometry |
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* @param layer |
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* Input layer |
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* @param templateGeometry |
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* @param shapeType |
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* Output shape type |
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* @param selectedGeom |
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* If it's true only selected geometries will be computed |
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* @throws GeoAlgorithmExecutionException |
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*/ |
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private boolean computesIntersection(IVectorLayer layer, |
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IVectorLayer overlay, |
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int shapeType, |
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boolean selectedGeomInput, |
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boolean selectedGeomOverlay) throws DataException, GeoAlgorithmExecutionException {
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FeatureStore storeLayer = null; |
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FeatureStore storeOverlay = null; |
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if(layer instanceof FlyrVectIVectorLayer && |
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overlay instanceof FlyrVectIVectorLayer) {
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storeLayer = ((FlyrVectIVectorLayer)layer).getFeatureStore(); |
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storeOverlay = ((FlyrVectIVectorLayer)overlay).getFeatureStore(); |
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} else |
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return false; |
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/** |
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* Builds a layer with the intersection between the input layer and the |
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* templateGeometry |
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* |
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* @param layer Input layer |
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* @param templateGeometry |
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* @param shapeType Output shape type |
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* @param selectedGeom If it's true only selected geometries will be |
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* computed |
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* @throws GeoAlgorithmExecutionException |
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*/ |
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private boolean computesIntersection(IVectorLayer layer, |
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IVectorLayer overlay, |
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int shapeType, |
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boolean selectedGeomInput, |
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boolean selectedGeomOverlay) throws DataException, GeoAlgorithmExecutionException {
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FeatureStore storeLayer = null; |
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FeatureStore storeOverlay = null; |
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if (layer instanceof FlyrVectIVectorLayer |
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&& overlay instanceof FlyrVectIVectorLayer) {
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storeLayer = ((FlyrVectIVectorLayer) layer).getFeatureStore(); |
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storeOverlay = ((FlyrVectIVectorLayer) overlay).getFeatureStore(); |
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} else {
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return false; |
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} |
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FeatureType featureType1 = storeLayer.getDefaultFeatureType();
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FeatureType featureType2 = storeOverlay.getDefaultFeatureType();
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FeatureType featureType1 = storeLayer.getDefaultFeatureType();
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FeatureType featureType2 = storeOverlay.getDefaultFeatureType();
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FeatureStore outFeatStorePol = null;
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FeatureStore outFeatStoreLine = null;
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FeatureStore outFeatStorePoint = null;
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FeatureStore outFeatStorePol = null;
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FeatureStore outFeatStoreLine = null;
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FeatureStore outFeatStorePoint = null;
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IntersectionOperation operation = new IntersectionOperation(storeOverlay, this);
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operation.setTaskStatus(getStatus());
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this.namesTranslator = NamesTranslator.createTrimTranslator(11);
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IntersectionOperation operation = new IntersectionOperation(storeOverlay, this);
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operation.setTaskStatus(getStatus());
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this.namesTranslator = NamesTranslator.createTrimTranslator(11); |
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//La de puntos se genera siempre
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outFeatStorePoint =
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buildOutPutStoreFromUnion(featureType1, featureType2,
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IVectorLayer.SHAPE_TYPE_POINT,
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getTranslation("Intersection_point"), RESULT_POINT);
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//La de puntos se genera siempre
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outFeatStorePoint
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= buildOutPutStoreFromUnion(featureType1, featureType2,
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IVectorLayer.SHAPE_TYPE_POINT,
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getTranslation("Intersection_point"), RESULT_POINT);
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if (outFeatStorePoint != null) {
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getStatus().setTitle("Point");
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operation.computesGeometryOperation(storeLayer, outFeatStorePoint, |
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attrNames, selectedGeomInput, selectedGeomOverlay, true); |
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attrNames, selectedGeomInput, selectedGeomOverlay, true);
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} |
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//La de pol?gonos solo si es intersecci?n entre pol?gonos
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if (isPolygon(storeLayer) && isPolygon(storeOverlay)) {
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outFeatStorePol =
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buildOutPutStoreFromUnion(featureType1, featureType2, |
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IVectorLayer.SHAPE_TYPE_POLYGON, getTranslation("Intersection_polygon"), RESULT_POL);
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//La de pol?gonos solo si es intersecci?n entre pol?gonos
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if (isPolygon(storeLayer) && isPolygon(storeOverlay)) {
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outFeatStorePol
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= buildOutPutStoreFromUnion(featureType1, featureType2,
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IVectorLayer.SHAPE_TYPE_POLYGON, getTranslation("Intersection_polygon"), RESULT_POL);
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if (outFeatStorePol != null) {
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getStatus().setTitle("Polygon");
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operation.computesGeometryOperation(storeLayer, |
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outFeatStorePol, attrNames, selectedGeomInput, |
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selectedGeomOverlay, true); |
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outFeatStorePol, attrNames, selectedGeomInput,
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selectedGeomOverlay, true);
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} |
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}
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}
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| 192 | 196 |
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//La capa de l?neas se genera cuando ning?na de las dos es de puntos
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if (!isPoint(storeLayer) && !isPoint(storeOverlay)) {
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outFeatStoreLine =
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buildOutPutStoreFromUnion(featureType1, featureType2, |
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IVectorLayer.SHAPE_TYPE_LINE, getTranslation("Intersection_line"), RESULT_LINE);
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//La capa de l?neas se genera cuando ning?na de las dos es de puntos
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if (!isPoint(storeLayer) && !isPoint(storeOverlay)) {
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outFeatStoreLine
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= buildOutPutStoreFromUnion(featureType1, featureType2,
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IVectorLayer.SHAPE_TYPE_LINE, getTranslation("Intersection_line"), RESULT_LINE);
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| 198 | 202 |
if (outFeatStoreLine != null) {
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| 199 | 203 |
getStatus().setTitle("Line");
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| 200 | 204 |
operation.computesGeometryOperation(storeLayer, |
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outFeatStoreLine, attrNames, selectedGeomInput, |
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selectedGeomOverlay, true); |
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outFeatStoreLine, attrNames, selectedGeomInput,
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selectedGeomOverlay, true);
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| 203 | 207 |
} |
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}
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}
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| 205 | 209 |
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if(outFeatStorePol == null) {
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getNewVectorLayer(RESULT_POL, getTranslation("Null_polygon"),
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if (outFeatStorePol == null) {
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getNewVectorLayer(RESULT_POL, getTranslation("Null_polygon"),
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| 208 | 212 |
OutputVectorLayer.SHAPE_TYPE_POLYGON, new Class[]{Integer.class}, new String[]{""});
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}
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}
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| 210 | 214 |
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if(outFeatStoreLine == null) {
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getNewVectorLayer(RESULT_LINE, getTranslation("Null_line"),
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if (outFeatStoreLine == null) {
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getNewVectorLayer(RESULT_LINE, getTranslation("Null_line"),
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| 213 | 217 |
OutputVectorLayer.SHAPE_TYPE_LINE, new Class[]{Integer.class}, new String[]{""});
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}
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}
|
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| 215 | 219 |
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if(outFeatStorePoint == null) {
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getNewVectorLayer(RESULT_POINT, getTranslation("Null_point"),
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if (outFeatStorePoint == null) {
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getNewVectorLayer(RESULT_POINT, getTranslation("Null_point"),
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| 218 | 222 |
OutputVectorLayer.SHAPE_TYPE_POINT, new Class[]{Integer.class}, new String[]{""});
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}
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}
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| 220 | 224 |
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return operation.getErrorInfo();
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}
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return operation.getErrorInfo();
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}
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| 223 | 227 |
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} |
Also available in: Unified diff