/**
* OrbisGIS is a java GIS application dedicated to research in GIScience.
* OrbisGIS is developed by the GIS group of the DECIDE team of the
* Lab-STICC CNRS laboratory, see <http://www.lab-sticc.fr/>.
*
* The GIS group of the DECIDE team is located at :
*
* Laboratoire Lab-STICC – CNRS UMR 6285
* Equipe DECIDE
* UNIVERSITÉ DE BRETAGNE-SUD
* Institut Universitaire de Technologie de Vannes
* 8, Rue Montaigne - BP 561 56017 Vannes Cedex
*
* OrbisGIS is distributed under GPL 3 license.
*
* Copyright (C) 2007-2014 CNRS (IRSTV FR CNRS 2488)
* Copyright (C) 2015-2017 CNRS (Lab-STICC UMR CNRS 6285)
*
* This file is part of OrbisGIS.
*
* OrbisGIS 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 3 of the License, or (at your option) any later
* version.
*
* OrbisGIS 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
* OrbisGIS. If not, see <http://www.gnu.org/licenses/>.
*
* For more information, please consult: <http://www.orbisgis.org/>
* or contact directly:
* info_at_ orbisgis.org
*/
package org.orbisgis.view.map.tools.raster;
import com.vividsolutions.jts.geom.*;
import ij.gui.Wand;
import java.awt.geom.Point2D;
import java.io.IOException;
import java.util.Observable;
import javax.swing.ImageIcon;
import org.apache.log4j.Logger;
import org.gdms.data.*;
import org.gdms.data.types.Type;
import org.gdms.data.types.TypeFactory;
import org.gdms.data.values.Value;
import org.gdms.data.values.ValueFactory;
import org.gdms.driver.DriverException;
import org.gdms.driver.driverManager.DriverLoadException;
import org.gdms.driver.memory.MemoryDataSetDriver;
import org.grap.model.GeoRaster;
import org.orbisgis.core.DataManager;
import org.orbisgis.core.Services;
import org.orbisgis.coremap.layerModel.ILayer;
import org.orbisgis.coremap.layerModel.LayerException;
import org.orbisgis.coremap.layerModel.MapContext;
import org.orbisgis.view.icons.OrbisGISIcon;
import org.orbisgis.view.map.tool.ToolManager;
import org.orbisgis.view.map.tool.TransitionException;
import org.orbisgis.view.map.tools.AbstractPointTool;
import org.xnap.commons.i18n.I18n;
/**
* Vectorisation of a set of pixels
*/
public class WandTool extends AbstractPointTool {
private static final String wandLayername = I18n.marktr("orbisgis.org.orbisgis.ui.tools.WandTool.0"); //$NON-NLS-1$
private static final DataSourceFactory dsf = Services.getService(DataManager.class).getDataSourceFactory();
private static Logger UILOGGER = Logger.getLogger("gui."+WandTool.class);
private static final GeometryFactory geometryFactory = new GeometryFactory();
public boolean isEnabled(MapContext vc, ToolManager tm) {
try {
if ((vc.getSelectedLayers().length == 1)
&& vc.getSelectedLayers()[0].isRaster()
&& vc.getSelectedLayers()[0].isVisible()) {
return true;
}
} catch (DriverException e) {
UILOGGER.error(e.getLocalizedMessage(),e);
}
return false;
}
public boolean isVisible(MapContext vc, ToolManager tm) {
return true;
}
@Override
protected void pointDone(Point point, MapContext vc, ToolManager tm)
throws TransitionException {
try {
final ILayer layer = vc.getSelectedLayers()[0];
final GeoRaster geoRaster = layer.getRaster();
final Coordinate realWorldCoordinate = point.getCoordinate();
final Point2D gridContextCoordinate = geoRaster
.fromRealWorldToPixel(realWorldCoordinate.x,
realWorldCoordinate.y);
final int pixelX = (int) gridContextCoordinate.getX();
final int pixelY = (int) gridContextCoordinate.getY();
final float halfPixelSize_X = geoRaster.getMetadata()
.getPixelSize_X() / 2;
final float halfPixelSize_Y = geoRaster.getMetadata()
.getPixelSize_Y() / 2;
final Wand w = new Wand(geoRaster.getImagePlus().getProcessor());
w.autoOutline(pixelX, pixelY);
final Coordinate[] jtsCoords = new Coordinate[w.npoints + 1];
for (int i = 0; i < w.npoints; i++) {
final Point2D worldXY = geoRaster.fromPixelToRealWorld(
w.xpoints[i], w.ypoints[i]);
jtsCoords[i] = new Coordinate(worldXY.getX() - halfPixelSize_X,
worldXY.getY() - halfPixelSize_Y);
}
jtsCoords[w.npoints] = jtsCoords[0];
final LinearRing shell = geometryFactory
.createLinearRing(jtsCoords);
final Polygon polygon = geometryFactory.createPolygon(shell, null);
String layerName = i18n.tr(wandLayername);
if (dsf.getSourceManager().exists(layerName)) {
dsf.getSourceManager().remove(layerName);
vc.getLayerModel().remove(layerName);
}
DataManager dataManager = Services.getService(DataManager.class);
final ILayer wandLayer = dataManager
.createLayer(buildWandDatasource(polygon));
vc.getLayerModel().insertLayer(wandLayer, 0);
throw new UnsupportedOperationException();
// wandLayer.setLegend(uniqueSymbolLegend);
} catch (LayerException e) {
UILOGGER.error(
i18n.tr("Cannot use wand tool {0}",e.getMessage()), e); //$NON-NLS-1$
} catch (DriverException e) {
UILOGGER.error(
i18n.tr("Cannot apply the legend {0}",e.getMessage()), e); //$NON-NLS-1$
} catch (IOException e) {
UILOGGER.error(
i18n.tr("Error accessing the GeoRaster {0}",e.getMessage()), e); //$NON-NLS-1$
} catch (DriverLoadException e) {
UILOGGER.error(i18n.tr("Error accessing the wand layer datasource {0}",e.getMessage()), e);
} catch (NoSuchTableException e) {
UILOGGER.error(i18n.tr("Error accessing the wand layer datasource {0}",e.getMessage()), e);
} catch (DataSourceCreationException e) {
UILOGGER.error(i18n.tr("Error accessing the wand layer datasource {0}",e.getMessage()), e);
} catch (NonEditableDataSourceException e) {
UILOGGER.error(
i18n.tr("Error committing the wand layer datasource {0}",e.getMessage()), e);
}
}
private DataSource buildWandDatasource(final Polygon polygon)
throws DriverLoadException, NoSuchTableException,
DataSourceCreationException, DriverException,
NonEditableDataSourceException {
final MemoryDataSetDriver driver = new MemoryDataSetDriver(
new String[] { "the_geom", "area" }, new Type[] { //$NON-NLS-1$ //$NON-NLS-2$
TypeFactory.createType(Type.GEOMETRY),
TypeFactory.createType(Type.DOUBLE) });
dsf.getSourceManager().register(i18n.tr(wandLayername), driver);
final DataSource dsResult = dsf.getDataSource(i18n.tr(wandLayername));
dsResult.open();
dsResult.insertFilledRow(new Value[] {
ValueFactory.createValue(polygon),
ValueFactory.createValue(polygon.getArea()) });
dsResult.commit();
dsResult.close();
return dsResult;
}
public void update(Observable o, Object arg) {
}
@Override
public String getName() {
return i18n.tr("Vectorize a set of pixels");
}
@Override
public String getTooltip() {
return i18n.tr("Vectorize a set of pixels");
}
@Override
public ImageIcon getImageIcon() {
return OrbisGISIcon.getIcon("watershed");
}
}