gvsig-lrs / org.gvsig.lrs / trunk / org.gvsig.lrs / org.gvsig.lrs.app / org.gvsig.lrs.app.mainplugin / src / main / java / org / gvsig / lrs / app / showmeasures / ShowMeasuresExtension.java @ 69
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/* gvSIG. Desktop Geographic Information System.
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*
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* Copyright ? 2007-2015 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.lrs.app.showmeasures; |
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import java.awt.Color; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.awt.event.ComponentEvent; |
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import java.awt.event.ComponentListener; |
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import java.text.DecimalFormat; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import java.util.List; |
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import javax.swing.JOptionPane; |
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import org.apache.commons.lang3.StringUtils; |
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import org.cresques.cts.ICoordTrans; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import org.gvsig.andami.IconThemeHelper; |
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import org.gvsig.andami.plugins.Extension; |
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import org.gvsig.app.ApplicationLocator; |
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import org.gvsig.app.ApplicationManager; |
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import org.gvsig.app.project.documents.view.ViewDocument; |
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import org.gvsig.app.project.documents.view.gui.IView; |
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import org.gvsig.fmap.dal.DataSet; |
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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.FeatureSelection; |
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import org.gvsig.fmap.dal.feature.FeatureStore; |
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import org.gvsig.fmap.geom.Geometry; |
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import org.gvsig.fmap.geom.GeometryLocator; |
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import org.gvsig.fmap.geom.GeometryManager; |
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import org.gvsig.fmap.geom.aggregate.MultiLine; |
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import org.gvsig.fmap.geom.exception.CreateGeometryException; |
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import org.gvsig.fmap.geom.primitive.Line; |
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import org.gvsig.fmap.geom.primitive.Point; |
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import org.gvsig.fmap.mapcontext.MapContext; |
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import org.gvsig.fmap.mapcontext.MapContextLocator; |
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import org.gvsig.fmap.mapcontext.layers.FLayer; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.FLyrVect; |
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import org.gvsig.fmap.mapcontext.layers.vectorial.GraphicLayer; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol; |
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import org.gvsig.fmap.mapcontext.rendering.symbols.SymbolManager; |
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import org.gvsig.gui.beans.ProgressDialog; |
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import org.gvsig.lrs.lib.api.LrsAlgorithm; |
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import org.gvsig.lrs.lib.api.LrsAlgorithmsLocator; |
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import org.gvsig.lrs.lib.api.LrsAlgorithmsManager; |
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import org.gvsig.lrs.lib.api.LrsShowMeasuresAlgorithmParams; |
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import org.gvsig.lrs.lib.api.exceptions.LrsGettingParametersException; |
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import org.gvsig.lrs.lib.api.exceptions.LrsNeededParameterException; |
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import org.gvsig.lrs.swing.api.JLrsAlgorithmParams; |
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import org.gvsig.lrs.swing.api.JLrsProgressDialog; |
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import org.gvsig.lrs.swing.api.LrsAlgorithmsSwingLocator; |
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import org.gvsig.lrs.swing.api.LrsAlgorithmsSwingManager; |
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import org.gvsig.lrs.swing.impl.JLrsShowMeasuresParamsController; |
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import org.gvsig.lrs.swing.impl.JLrsUtils; |
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import org.gvsig.symbology.SymbologyLocator; |
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import org.gvsig.symbology.SymbologyManager; |
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import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.text.ISimpleTextSymbol; |
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import org.gvsig.tools.ToolsLocator; |
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import org.gvsig.tools.dispose.DisposableIterator; |
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import org.gvsig.tools.i18n.I18nManager; |
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import org.gvsig.tools.locator.LocatorException; |
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import org.gvsig.tools.swing.api.ToolsSwingLocator; |
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import org.gvsig.tools.swing.api.windowmanager.WindowManager; |
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import org.gvsig.tools.task.SimpleTaskStatus; |
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/**
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* @author dmartinez
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*
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*/
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public class ShowMeasuresExtension extends Extension implements ComponentListener { |
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private static final Logger logger = LoggerFactory.getLogger(ShowMeasuresExtension.class); |
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public static final String SHOW_MEASURES_GRAPHICS_ID = "ShowMeasures"; |
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private JLrsShowMeasuresParamsController panel;
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.andami.plugins.IExtension#execute(java.lang.String)
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*/
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public void execute(String actionCommand) { |
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if (StringUtils.equalsIgnoreCase(actionCommand, "show-measures")) { |
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IView view = getActiveView(); |
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final MapContext mapContext = view.getMapControl().getMapContext();
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final GraphicLayer graphics = mapContext.getGraphicsLayer();
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final FLyrVect activeLayer = getActiveLayer(view);
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final WindowManager winManager = ToolsSwingLocator.getWindowManager();
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final LrsAlgorithmsSwingManager manager = LrsAlgorithmsSwingLocator.getLrsAlgorithmsSwingManager();
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final I18nManager i18nManager = ToolsLocator.getI18nManager();
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try {
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panel = |
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(JLrsShowMeasuresParamsController) manager.createJLrsShowMeasuresAlgorithmParameters(activeLayer, |
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null);
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panel.addComponentListener(this);
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} catch (LrsNeededParameterException e2) {
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logger.error("Error creating panel", e2);
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JOptionPane.showMessageDialog(
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null,
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new StringBuilder().append(i18nManager.getTranslation("error_creating_panel")).append(":") |
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.append(e2.getLocalizedMessage()), i18nManager.getTranslation("error"),
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JOptionPane.ERROR_MESSAGE);
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return;
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} |
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panel.setVisibleAceptCancel(true);
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panel.addActionListener(new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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JLrsAlgorithmParams panel = (JLrsAlgorithmParams) e.getSource(); |
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if (panel.isCanceled()) {
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return;
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} |
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LrsShowMeasuresAlgorithmParams params = null;
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try {
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params = (LrsShowMeasuresAlgorithmParams) panel.getParams(); |
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} catch (LrsGettingParametersException e1) {
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logger.error("Error getting parameters", e1);
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JOptionPane.showMessageDialog(
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null,
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new StringBuilder().append(i18nManager.getTranslation("error_getting_parameters")) |
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.append(":").append(e1.getLocalizedMessage()), i18nManager.getTranslation("error"), |
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JOptionPane.ERROR_MESSAGE);
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return;
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} catch (LrsNeededParameterException e1) {
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logger.warn("Error getting parameters", e1);
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JOptionPane.showMessageDialog(null, i18nManager.getTranslation(e1.getMessage()), |
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i18nManager.getTranslation("warning"), JOptionPane.WARNING_MESSAGE); |
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return;
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} |
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final SimpleTaskStatus taskStatus =
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ToolsLocator.getTaskStatusManager().createDefaultSimpleTaskStatus( |
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i18nManager.getTranslation("progress"));
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final JLrsProgressDialog progressDialog = manager.createJLrsProgressDialog(taskStatus);
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winManager.showWindow(progressDialog.asJComponent(), i18nManager.getTranslation("show_measures"),
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WindowManager.MODE.WINDOW); |
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final double distance = params.getDistance(); |
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Thread task = new Thread(new Runnable() { |
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public void run() { |
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try {
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showMeasures(graphics, activeLayer, distance, taskStatus); |
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mapContext.invalidate(); |
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if(!taskStatus.isRunning() && progressDialog.asJComponent().isVisible()){
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progressDialog.asJComponent().setVisible(false);
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} |
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} catch (Exception e) { |
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logger.error("Error showing measures", e);
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String message = e.getMessage();
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if (e.getCause() != null) { |
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message = e.getCause().getMessage(); |
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} |
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JOptionPane.showMessageDialog(progressDialog.asJComponent(), message,
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i18nManager.getTranslation("show_measures"), JOptionPane.ERROR_MESSAGE); |
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} |
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} |
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}); |
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task.start(); |
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} |
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}); |
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winManager.showWindow(panel.asJComponent(), i18nManager.getTranslation("show_measures"),
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WindowManager.MODE.WINDOW); |
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} |
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.andami.plugins.IExtension#initialize()
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*/
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public void initialize() { |
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registerIcons(); |
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.andami.plugins.IExtension#isEnabled()
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*/
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public boolean isEnabled() { |
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IView view = getActiveView(); |
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FLyrVect activeLayer = getActiveLayer(view); |
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if (panel == null && activeLayer != null) { |
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return JLrsUtils.hasMLayersWithSelectedFeatures(activeLayer);
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} |
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return false; |
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} |
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/*
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* (non-Javadoc)
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*
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* @see org.gvsig.andami.plugins.IExtension#isVisible()
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*/
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public boolean isVisible() { |
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ApplicationManager application = ApplicationLocator.getManager(); |
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return application.getActiveComponent(ViewDocument.class) != null; |
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} |
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private void registerIcons() { |
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IconThemeHelper.registerIcon("lrs", "pk_green", this); |
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} |
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/*
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* Shows measurements along the selected features in a layer with a fixed spacing
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*
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*/
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private void showMeasures(GraphicLayer graphics, FLyrVect layer, double distance, SimpleTaskStatus taskStatus) |
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throws DataException, CreateGeometryException, LocatorException {
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FeatureStore featureStore = layer.getFeatureStore(); |
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FeatureSelection selection = featureStore.getFeatureSelection(); |
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if (selection != null && !selection.isEmpty()) { |
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long range = getRange(selection);
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taskStatus.setRangeOfValues(0, range);
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long curValue = 0; |
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taskStatus.setCurValue(curValue); |
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DisposableIterator it = selection.fastIterator(); |
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ICoordTrans ct = layer.getCoordTrans(); |
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while (it.hasNext()) {
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Feature feature = (Feature) it.next(); |
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Geometry geometry = feature.getDefaultGeometry(); |
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if (geometry instanceof Line) { |
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curValue = showLineMeasures(graphics, curValue, (Line) geometry, distance, ct);
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taskStatus.setCurValue(curValue); |
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} else if (geometry instanceof MultiLine) { |
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MultiLine multiLine = (MultiLine) geometry; |
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int primitives = multiLine.getPrimitivesNumber();
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for (int i = 0; i < primitives; i++) { |
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curValue = showLineMeasures(graphics, curValue, (Line) multiLine.getPrimitiveAt(i), distance, ct);
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taskStatus.setCurValue(curValue); |
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} |
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} |
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} |
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it.dispose(); |
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} |
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taskStatus.terminate(); |
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} |
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/**
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* Shows measurements along a line with a fixed spacing
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*
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* @param curValue
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* @param ct2
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* @param taskStatus
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* @param geometry
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* @return
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* @throws LocatorException
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* @throws CreateGeometryException
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*/
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private long showLineMeasures(GraphicLayer graphics, long curValue, Line line, Double distance, ICoordTrans ct) throws CreateGeometryException, LocatorException { |
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long value = curValue;
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for (int i = 0; i < line.getNumVertices() - 1; i++) { |
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value++; |
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Point vertex = (Point) line.getVertex(i); |
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double m0 = vertex.getCoordinateAt(vertex.getDimension() - 1); |
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double div = m0 / distance;
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if (isMultiple(m0, distance)) {
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showMeasure(graphics, vertex, m0, ct); |
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} |
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Point nextVertex = line.getVertex(i + 1); |
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double m1 = nextVertex.getCoordinateAt(vertex.getDimension() - 1); |
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List<Double> multiples = calculateMultiplesBetweenTwoValues(distance, m0, m1); |
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for (Iterator iterator = multiples.iterator(); iterator.hasNext();) { |
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Double m = (Double) iterator.next(); |
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Point point = getPointWithMBetweenTwoVertex(m, vertex, nextVertex);
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showMeasure(graphics, point, m, ct); |
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} |
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} |
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value++; |
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return value;
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} |
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/**
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* Show the m in the point p on the graphicLayer
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*
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* @param m
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* @param ct
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*/
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private void showMeasure(GraphicLayer graphics, Point p, double m, ICoordTrans ct) { |
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GeometryManager geomManager = GeometryLocator.getGeometryManager(); |
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SymbolManager symbolManager = MapContextLocator.getSymbolManager(); |
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ISymbol markerSymbol = symbolManager.createSymbol(Geometry.TYPES.POINT, Color.RED);
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ISimpleTextSymbol textSymbol = getTextSymbol(); |
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DecimalFormat formato = new DecimalFormat("0.000"); |
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textSymbol.setText(formato.format(m).replace(",", " + ")); |
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int idMarkerSymbol = graphics.addSymbol(markerSymbol);
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int idTextSymbol = graphics.addSymbol(textSymbol);
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Point clonedPoint = (Point) p.cloneGeometry(); |
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clonedPoint.reProject(ct); |
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graphics.addGraphic(SHOW_MEASURES_GRAPHICS_ID, clonedPoint, idTextSymbol); |
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graphics.addGraphic(SHOW_MEASURES_GRAPHICS_ID, clonedPoint, idMarkerSymbol); |
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} |
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/*
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* Creates a text symbol to be used in showMeasure
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*/
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private ISimpleTextSymbol getTextSymbol(){
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SymbologyManager symbologyManager = SymbologyLocator.getSymbologyManager(); |
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ISimpleTextSymbol textSymbol = symbologyManager.createSimpleTextSymbol(); |
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textSymbol.setFontSize(10);
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return textSymbol;
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} |
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/**
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* Dados dos puntos con coordenada M, calcula el punto correspondiente a la m dada.
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*
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* @param m
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* @param vertex
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* @param nextVertex
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* @return
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* @throws LocatorException
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* @throws CreateGeometryException
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*/
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private Point getPointWithMBetweenTwoVertex(Double m, Point vertex, Point nextVertex) throws CreateGeometryException, LocatorException { |
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Point point = (Point)GeometryLocator.getGeometryManager().create(Geometry.TYPES.POINT, Geometry.SUBTYPES.GEOM2D); |
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point.setX( |
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getCoordinateBetweenTwoValues( |
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m, |
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vertex.getCoordinateAt(vertex.getDimension()-1),
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nextVertex.getCoordinateAt(vertex.getDimension()-1),
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vertex.getX(), |
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nextVertex.getX())); |
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point.setY( |
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getCoordinateBetweenTwoValues( |
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m, |
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vertex.getCoordinateAt(vertex.getDimension()-1),
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nextVertex.getCoordinateAt(vertex.getDimension()-1),
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vertex.getY(), |
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nextVertex.getY())); |
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return point;
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} |
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/**
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* Dados los valores en una dimensi?n de dos puntos y sus "m" correspondientes,
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* calcula el valor en esa dimensi?n correspondiente a la "m" dada.
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*
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* @param m
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* @param m1
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* @param m2
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* @param v1
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* @param v2
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* @return
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*/
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private double getCoordinateBetweenTwoValues(double m, double m1, double m2, double v1, double v2) { |
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if (v1==v2){
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return Double.POSITIVE_INFINITY; |
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} |
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return ((v2-v1)*(m-m1)/(m2-m1))+v1;
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} |
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|
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/**
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* Calcula los m?ltiplos de "distance" que existen entre los valores "value0" y "value1"
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*
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* @param distance
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* @param value0
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* @param value1
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* @return
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*/
|
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private List<Double> calculateMultiplesBetweenTwoValues(Double distance, double value0, double value1) { |
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List<Double> result = new ArrayList<Double>(); |
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|
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double v0;
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double v1;
|
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if(value0<=value1){
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v0 = value0; |
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v1 = value1; |
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} else {
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v0 = value1; |
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v1 = value0; |
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} |
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|
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int factor1 = (int) Math.ceil(v0/distance); |
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int factor2 = (int) Math.floor(v1/distance); |
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for (int factor = factor1; factor <= factor2; factor++) { |
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double m = factor * distance;
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if(m>=v0 && m<=v1){
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result.add(m); |
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} |
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} |
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return result;
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} |
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|
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|
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/**
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* Calcula si el valor del par?metro n es m?ltiplo del valor del par?metro d
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* @param n
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* @param d
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*/
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private boolean isMultiple(double n, double d) { |
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double div = n / d;
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return ((div - (int) div) < 0.000001); |
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} |
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|
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/**
|
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* @param selection
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* @throws DataException
|
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*/
|
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private long getRange(FeatureSelection selection) throws DataException { |
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long range = 0; |
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DisposableIterator it = selection.fastIterator(); |
442 |
while (it.hasNext()) {
|
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Feature feature = (Feature) it.next(); |
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Geometry geometry = feature.getDefaultGeometry(); |
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if (geometry instanceof Line) { |
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range += ((Line) geometry).getNumVertices();
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} else if (geometry instanceof MultiLine) { |
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MultiLine multiLine = (MultiLine) geometry; |
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int primitives = multiLine.getPrimitivesNumber();
|
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for (int i = 0; i < primitives; i++) { |
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range += ((Line) multiLine.getPrimitiveAt(i)).getNumVertices();
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} |
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} |
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} |
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it.dispose(); |
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return range;
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} |
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|
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private IView getActiveView() {
|
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ApplicationManager application = ApplicationLocator.getManager(); |
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IView view = (IView) application.getActiveComponent(ViewDocument.class); |
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return view;
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} |
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|
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private FLyrVect getActiveLayer(IView vista) {
|
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if (vista != null) { |
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ViewDocument viewDocument = vista.getViewDocument(); |
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FLayer[] actives = viewDocument.getMapContext().getLayers().getActives();
|
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|
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if ((actives.length == 1) && (actives[0] instanceof FLyrVect)) { |
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return (FLyrVect) actives[0]; |
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} |
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} |
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return null; |
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} |
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|
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/*
|
478 |
* (non-Javadoc)
|
479 |
*
|
480 |
* @see java.awt.event.ComponentListener#componentResized(java.awt.event.
|
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* ComponentEvent)
|
482 |
*/
|
483 |
public void componentResized(ComponentEvent e) { |
484 |
// TODO Auto-generated method stub
|
485 |
|
486 |
} |
487 |
|
488 |
/*
|
489 |
* (non-Javadoc)
|
490 |
*
|
491 |
* @see
|
492 |
* java.awt.event.ComponentListener#componentMoved(java.awt.event.ComponentEvent
|
493 |
* )
|
494 |
*/
|
495 |
public void componentMoved(ComponentEvent e) { |
496 |
// TODO Auto-generated method stub
|
497 |
|
498 |
} |
499 |
|
500 |
/*
|
501 |
* (non-Javadoc)
|
502 |
*
|
503 |
* @see
|
504 |
* java.awt.event.ComponentListener#componentShown(java.awt.event.ComponentEvent
|
505 |
* )
|
506 |
*/
|
507 |
public void componentShown(ComponentEvent e) { |
508 |
// TODO Auto-generated method stub
|
509 |
|
510 |
} |
511 |
|
512 |
/*
|
513 |
* (non-Javadoc)
|
514 |
*
|
515 |
* @see java.awt.event.ComponentListener#componentHidden(java.awt.event.
|
516 |
* ComponentEvent)
|
517 |
*/
|
518 |
public void componentHidden(ComponentEvent e) { |
519 |
panel = null;
|
520 |
} |
521 |
} |