Revision: 5130
http://sourceforge.net/p/jump-pilot/code/5130
Author: ma15569
Date: 2016-10-31 15:55:17 +0000 (Mon, 31 Oct 2016)
Log Message:
-----------
Added Test file from Stefan (how to use Sextante algorithms with OpenJUMP)
Added Paths:
-----------
plug-ins/SextantePlugIn/src/es/unex/sextante/openjump/test/
plug-ins/SextantePlugIn/src/es/unex/sextante/openjump/test/SextanteTestPlugIn.java
Added:
plug-ins/SextantePlugIn/src/es/unex/sextante/openjump/test/SextanteTestPlugIn.java
===================================================================
---
plug-ins/SextantePlugIn/src/es/unex/sextante/openjump/test/SextanteTestPlugIn.java
(rev 0)
+++
plug-ins/SextantePlugIn/src/es/unex/sextante/openjump/test/SextanteTestPlugIn.java
2016-10-31 15:55:17 UTC (rev 5130)
@@ -0,0 +1,204 @@
+/*
+ * The Unified Mapping Platform (JUMP) is an extensible, interactive GUI
+ * for visualizing and manipulating spatial features with geometry and
attributes.
+ *
+ * JUMP is Copyright (C) 2003 Vivid Solutions
+ *
+ * This class implements extensions to JUMP and is
+ * Copyright (C) Stefan Steiniger.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * For more information, contact:
+ * Stefan Steiniger
+ * perri...@gmx.de
+ */
+
+/*****************************************************
+ * created: 20.Oct.2009
+ * last modified:
+ *
+ *
+ * @author sstein
+ *
+ * description:
+ * OpenJUMP plugin to demonstrate the utilization and access to Sextante
algorithms
+ *
+ *
+ *****************************************************/
+
+package es.unex.sextante.openjump.test;
+
+import java.io.IOException;
+
+import javax.swing.JComboBox;
+
+import com.vividsolutions.jts.geom.GeometryFactory;
+import com.vividsolutions.jump.feature.FeatureCollection;
+import com.vividsolutions.jump.task.TaskMonitor;
+import com.vividsolutions.jump.workbench.WorkbenchContext;
+import com.vividsolutions.jump.workbench.model.Layer;
+import com.vividsolutions.jump.workbench.model.StandardCategoryNames;
+import com.vividsolutions.jump.workbench.plugin.AbstractPlugIn;
+import com.vividsolutions.jump.workbench.plugin.EnableCheckFactory;
+import com.vividsolutions.jump.workbench.plugin.MultiEnableCheck;
+import com.vividsolutions.jump.workbench.plugin.PlugInContext;
+import com.vividsolutions.jump.workbench.plugin.ThreadedPlugIn;
+import com.vividsolutions.jump.workbench.ui.GUIUtil;
+import com.vividsolutions.jump.workbench.ui.MultiInputDialog;
+
+import es.unex.sextante.core.OutputFactory;
+import es.unex.sextante.core.OutputObjectsSet;
+import es.unex.sextante.core.ParametersSet;
+import es.unex.sextante.core.Sextante;
+import es.unex.sextante.dataObjects.IVectorLayer;
+import es.unex.sextante.exceptions.GeoAlgorithmExecutionException;
+import es.unex.sextante.openjump.core.OpenJUMPOutputFactory;
+import es.unex.sextante.openjump.core.OpenJUMPVectorLayer;
+import es.unex.sextante.outputs.Output;
+import es.unex.sextante.parameters.Parameter;
+import
es.unex.sextante.vectorTools.minimumEnclosingPolygon.MinimumEnclosingPolygonAlgorithm;
+
+/**
+ * @description: OpenJUMP plugin to demonstrate the utilization and access to
+ * Sextante algorithms
+ *
+ * @author sstein
+ *
+ **/
+public class SextanteTestPlugIn extends AbstractPlugIn implements
+ ThreadedPlugIn {
+
+ private String sSidebar = "Testplugin that uses an algorithm that
generates a convex hull (i.e. minimum enclosing polygon) from Sextante";
+ private final String sLAYERPTS = "Layer with Point Geometries";
+ private Layer input = null;
+ private MultiInputDialog dialog;
+ private PlugInContext context = null;
+
+ GeometryFactory gfactory = new GeometryFactory();
+
+ public void initialize(PlugInContext context) throws Exception {
+
+ context.getFeatureInstaller().addMainMenuPlugin(this,
+ new String[] { "Sextante", "Sextante Test Plugin" },
+ "Minimum enclosing shape", false, null, // icon
+ createEnableCheck(context.getWorkbenchContext()));
+
+ }
+
+ public static MultiEnableCheck createEnableCheck(
+ WorkbenchContext workbenchContext) {
+ EnableCheckFactory checkFactory = new EnableCheckFactory(
+ workbenchContext);
+
+ return new MultiEnableCheck().add(checkFactory
+ .createAtLeastNLayersMustExistCheck(1));
+ }
+
+ public boolean execute(PlugInContext context) throws Exception {
+ // Unlike ValidatePlugIn, here we always call #initDialog because we
+ // want
+ // to update the layer comboboxes.
+ initDialog(context);
+ dialog.setVisible(true);
+ if (!dialog.wasOKPressed()) {
+ return false;
+ } else {
+ this.getDialogValues(dialog);
+ }
+ return true;
+ }
+
+ public void run(TaskMonitor monitor, PlugInContext context)
+ throws Exception {
+ System.gc(); // flush garbage collector
+ this.context = context;
+ monitor.allowCancellationRequests();
+ FeatureCollection resultC = this.calculateHull(this.input, context,
+ monitor);
+ if (resultC != null) {
+ context.addLayer(StandardCategoryNames.RESULT, this.input.getName()
+ + "-hull", resultC);
+ }
+ System.gc();
+ }
+
+ private void initDialog(PlugInContext context) {
+
+ dialog = new MultiInputDialog(context.getWorkbenchFrame(),
+ "Generate Hull", true);
+ dialog.setSideBarDescription(sSidebar);
+ try {
+ JComboBox addLayerComboBoxRegions = dialog.addLayerComboBox(
+ this.sLAYERPTS, context.getCandidateLayer(0), null,
+ context.getLayerManager());
+ } catch (IndexOutOfBoundsException e) {
+ }
+ GUIUtil.centreOnWindow(dialog);
+ }
+
+ private void getDialogValues(MultiInputDialog dialog) {
+ this.input = dialog.getLayer(this.sLAYERPTS);
+ }
+
+ private FeatureCollection calculateHull(Layer stefanspoints,
+ PlugInContext context, TaskMonitor monitor)
+ throws GeoAlgorithmExecutionException, IOException {
+
+ OutputFactory outputFactory = new OpenJUMPOutputFactory(
+ context.getWorkbenchContext());
+
+ monitor.report("initialize sextante");
+ Sextante.initialize();
+
+ monitor.report("prepare computation");
+ OpenJUMPVectorLayer layer = new OpenJUMPVectorLayer();
+ layer.create(stefanspoints);
+ MinimumEnclosingPolygonAlgorithm alg = new
MinimumEnclosingPolygonAlgorithm();
+
+ ParametersSet params = alg.getParameters();
+ Parameter layerParam = (Parameter) params
+ .getParameter(MinimumEnclosingPolygonAlgorithm.POINTS);
+ boolean worked = layerParam.setParameterValue(layer);
+ if (worked) {
+ // method values: 0 - for convex hull, 1 - for circle, 2 - envelope
+ params.getParameter(MinimumEnclosingPolygonAlgorithm.METHOD)
+ .setParameterValue(new Integer(2));
+ params.getParameter(MinimumEnclosingPolygonAlgorithm.USECLASSES)
+ .setParameterValue(false);
+ // -- not sure why the following param needs to be set, if I set
+ // false before
+ params.getParameter(MinimumEnclosingPolygonAlgorithm.FIELD)
+ .setParameterValue(new Integer(0));
+
+ OutputObjectsSet outputs = alg.getOutputObjects();
+ Output polygon = outputs
+ .getOutput(MinimumEnclosingPolygonAlgorithm.RESULT);
+ monitor.report("computation");
+ alg.execute(null, outputFactory);
+
+ monitor.report("retrieving results");
+ IVectorLayer result = (IVectorLayer) polygon.getOutputObject();
+ Layer resultOJLayer = (Layer) result.getBaseDataObject();
+ return resultOJLayer.getFeatureCollectionWrapper().getWrappee();
+ } else {
+ context.getWorkbenchFrame().warnUser(
+ "layer not a point layer; has ShapeType: "
+ + layer.getShapeType());
+ return null;
+ }
+ }
+
+}
Property changes on:
plug-ins/SextantePlugIn/src/es/unex/sextante/openjump/test/SextanteTestPlugIn.java
___________________________________________________________________
Added: svn:mime-type
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+text/plain
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