Application: gvSIG desktop » gvSIG legends: base legends

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <parent>

    <groupId>org.gvsig</groupId>

    <artifactId>org.gvsig.legend.heatmap</artifactId>

    <version>1.0.0</version>

  </parent>

  <groupId>org.gvsig</groupId>

  <artifactId>org.gvsig.legend.heatmap.app</artifactId>

  <packaging>pom</packaging>

  <name>org.gvsig.legend.heatmap.app</name>

  <modules>

    <module>org.gvsig.legend.heatmap.app.mainplugin</module>

  </modules>

</project>

<?xml version="1.0"?>

<!--

Definitions of plugin persistence org.gvsig.aggregatelegend.app.mainplugin

 -->

<definitions>

  <version>1.0.0</version>

  <classes>

    <class name="org.gvsig.legend.aggregate.app.mainplugin">

      <extends>

      </extends>

      <description>Persistence of the legend of aggregate texts</description>

      <fields>

      </fields>

    </class>

  </classes>

</definitions>  

<?xml version="1.0" encoding="ISO-8859-1"?>

<!-- gvSIG. Desktop Geographic Information System. Copyright (C) 2007-2013 gvSIG

  Association. 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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

  USA. For any additional information, do not hesitate to contact us at info AT gvsig.com,

  or visit our website www.gvsig.com. -->

<plugin-config>

  <depends plugin-name="org.gvsig.app.mainplugin" />

  <resourceBundle name="text" />

  <libraries library-dir="lib" />

  <extensions>

    <extension class-name="org.gvsig.legend.heatmap.app.HeatmapLegendExtension"

      description="" active="true" priority="1">

    </extension>

  </extensions>

</plugin-config>

<!-- gvSIG. Desktop Geographic Information System. Copyright (C) 2007-2013 gvSIG

  Association. 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 3 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,

  USA. For any additional information, do not hesitate to contact us at info AT gvsig.com,

  or visit our website www.gvsig.com. -->

<assembly>

  <id>gvsig-plugin-package</id>

  <formats>

    <format>zip</format>

  </formats>

  <baseDirectory>${project.artifactId}</baseDirectory>

  <includeBaseDirectory>true</includeBaseDirectory>

  <files>

    <file>

      <source>target/${project.artifactId}-${project.version}.jar</source>

      <outputDirectory>lib</outputDirectory>

    </file>

    <file>

      <source>target/package.info</source>

    </file>

  </files>

  <fileSets>

    <fileSet>

      <directory>src/main/resources-plugin</directory>

      <outputDirectory>.</outputDirectory>

    </fileSet>

  </fileSets>

  <dependencySets>

    <dependencySet>

      <useProjectArtifact>false</useProjectArtifact>

      <useTransitiveDependencies>false</useTransitiveDependencies>

      <outputDirectory>lib</outputDirectory>

      <includes>

        <include>org.gvsig:org.gvsig.legend.heatmap.lib.api</include>

        <include>org.gvsig:org.gvsig.legend.heatmap.lib.impl</include>

        <include>org.gvsig:org.gvsig.legend.heatmap.swing.api</include>

        <include>org.gvsig:org.gvsig.legend.heatmap.swing.impl</include>

      </includes>

    </dependencySet>

  </dependencySets>

</assembly>

package org.gvsig.legend.heatmap.app;

import org.gvsig.andami.plugins.Extension;

public class HeatmapLegendExtension extends Extension {

    @Override

    public void initialize() {

    }

    @Override

    public void execute(String string) {

    }

    @Override

    public boolean isEnabled() {

        return true;

    }

    @Override

    public boolean isVisible() {

        return true;

    }

}

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <parent>

    <groupId>org.gvsig</groupId>

    <artifactId>org.gvsig.legend.heatmap.app</artifactId>

    <version>1.0.0</version>

  </parent>

  <groupId>org.gvsig</groupId>

  <artifactId>org.gvsig.legend.heatmap.app.mainplugin</artifactId>

  <version>1.0.0</version>

  <name>org.gvsig.legend.heatmap.app.mainplugin</name>

    <properties>

    <!-- Package info property values -->

    <gvsig.package.info.state>devel</gvsig.package.info.state>

    <gvsig.package.info.dependencies>required: org.gvsig.app.mainplugin -ge 2.4.0-A</gvsig.package.info.dependencies>

    <gvsig.package.info.official>true</gvsig.package.info.official>

    <gvsig.package.info.name>Vector legend: heat map</gvsig.package.info.name>

    <gvsig.package.info.description>Legend for aggregate text symbols that are near.</gvsig.package.info.description>

    <gvsig.package.info.categories>View,Vector,Symbology</gvsig.package.info.categories>

    <gvsig.package.info.javaVM>j1_7</gvsig.package.info.javaVM>

    <gvsig.package.info.poolURL>https://devel.gvsig.org/download/projects/gvsig-base-legends/pool</gvsig.package.info.poolURL>

  </properties>

  <dependencies>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.andami</artifactId>

      <scope>compile</scope>

    </dependency>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.legend.heatmap.swing.api</artifactId>

      <scope>compile</scope>

    </dependency>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.legend.heatmap.lib.api</artifactId>

      <scope>compile</scope>

    </dependency>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.legend.heatmap.lib.impl</artifactId>

      <scope>runtime</scope>

    </dependency>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.legend.heatmap.swing.impl</artifactId>

      <scope>runtime</scope>

    </dependency>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.app.mainplugin</artifactId>

      <scope>compile</scope>

    </dependency>

  </dependencies>

</project>

#Mon Aug 28 11:30:03 CEST 2017

buildNumber=2

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.legend.heatmap.lib.impl;

import org.gvsig.fmap.mapcontext.MapContextLibrary;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.MapContextManager;

import org.gvsig.legend.heatmap.lib.api.HeatmapLegendLibrary;

import org.gvsig.legend.heatmap.lib.api.HeatmapLegendLocator;

import org.gvsig.tools.library.AbstractLibrary;

import org.gvsig.tools.library.LibraryException;

public class HeatmapLegendLibraryImpl extends AbstractLibrary {

    @Override

    public void doRegistration() {

        registerAsImplementationOf(HeatmapLegendLibrary.class);

        this.require(MapContextLibrary.class);

    }

    @Override

    protected void doInitialize() throws LibraryException {

        HeatmapLegendLocator.registerHeatmapLegendManager(DefaultHeatmapLegendManager.class);

        MapContextManager mcmanager = MapContextLocator.getMapContextManager();

        mcmanager.registerLegend("HeatmapLegend", DefaultHeatmapLegend.class);

    }

    @Override

    protected void doPostInitialize() throws LibraryException {

    }

}

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.legend.heatmap.lib.impl;

import org.gvsig.legend.heatmap.lib.api.HeatmapLegend;

import org.gvsig.legend.heatmap.lib.api.HeatmapLegendManager;

public class DefaultHeatmapLegendManager implements HeatmapLegendManager {

    @Override

    public HeatmapLegend create() {

        return new DefaultHeatmapLegend();

    }

    @Override

    public Class<? extends HeatmapLegend> getLegendClass() {

        return DefaultHeatmapLegend.class;

    }

}

package org.gvsig.legend.heatmap.lib.impl;

import java.awt.Color;

import java.awt.Graphics2D;

import java.awt.image.BufferedImage;

import java.util.Map;

import org.cresques.cts.ICoordTrans;

import org.gvsig.fmap.dal.exception.DataException;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.dal.feature.FeatureQuery;

import org.gvsig.fmap.dal.feature.FeatureSelection;

import org.gvsig.fmap.dal.feature.FeatureSet;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.geom.primitive.Point;

import org.gvsig.fmap.mapcontext.MapContextException;

import org.gvsig.fmap.mapcontext.ViewPort;

import org.gvsig.fmap.mapcontext.rendering.legend.LegendException;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.legend.heatmap.lib.api.HeatmapLegend;

import org.gvsig.symbology.fmap.mapcontext.rendering.legend.impl.AbstractVectorialLegend;

import org.gvsig.symbology.fmap.mapcontext.rendering.legend.impl.DefaultFeatureDrawnNotification;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.text.impl.SimpleTextSymbol;

import org.gvsig.tools.exception.BaseException;

import org.gvsig.tools.task.Cancellable;

import org.gvsig.tools.visitor.VisitCanceledException;

import org.gvsig.tools.visitor.Visitor;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

public class DefaultHeatmapLegend extends AbstractVectorialLegend implements HeatmapLegend {

    protected static final Logger LOG = LoggerFactory.getLogger(DefaultHeatmapLegend.class);

    private class DensityAlgorithm {

        private double[][] grid;

        private double[][] kernel;

        private int distance;

        private int height;

        private int with;

        private double maxValue;

        private double minValue;

        public DensityAlgorithm(int distance) {

            this.setDistance(distance);

        }

        public void setDistance(int distance) {

            this.distance = distance;

            this.kernel = new double[2 * this.distance + 1][2 * this.distance + 1];

            for( int y = -this.distance; y < this.distance + 1; y++ ) {

                for( int x = -this.distance; x < this.distance + 1; x++ ) {

                    final double dDist = Math.sqrt(x * x + y * y);

                    if( dDist < this.distance ) {

                        this.kernel[x + this.distance][y + this.distance] = Math.pow(1 - (dDist * dDist) / (this.distance * this.distance), 2);

                    } else {

                        this.kernel[x + this.distance][y + this.distance] = 0;

                    }

                }

            }

        }

        public int getDistance() {

            return this.distance;

        }

        public void init(int with, int height) {

            this.with = with;

            this.height = height;

            this.grid = new double[with][height];

            this.maxValue = 0;

            this.minValue = 0;

        }

        public void add(int px, int py) {

            add(px, py, 1);

        }

        public void add(int px, int py, double value) {

            for( int y = -this.distance; y < this.distance + 1; y++ ) {

                for( int x = -this.distance; x < this.distance + 1; x++ ) {

                    if( this.kernel[x + this.distance][y + this.distance] != 0 ) {

                        addValue(px + x, py + y, value * this.kernel[x + this.distance][y + this.distance]);

                    }

                }

            }

        }

        private void addValue(int px, int py, double value) {

            if( px<0 || py<0 || px>=with || py>=height ) {

                return;

            }

            value += this.grid[px][py];

            this.grid[px][py] = value;

            if( value > this.maxValue ) {

                this.maxValue = value;

            }

            if( value < this.minValue ) {

                this.minValue = value;

            }

        }

        public void draw(BufferedImage img, Color[] colorTable, Cancellable cancel) {

            try {

                int maxColors = colorTable.length;

                for( int x = 0; x < with; x++ ) {

                    for( int y = 0; y < height; y++ ) {

                        if( cancel.isCanceled() ) {

                            return;

                        }

                        double value = this.grid[x][y];

                        if( value > 0 ) {

                            int icolor = (int) (value * maxColors / maxValue);

                            icolor = icolor<0? 0: icolor>=maxColors?maxColors-1:icolor;

                            Color c = colorTable[icolor];

                            img.setRGB(x, y, c.getRGB());

                        }

                    }

                }

            } catch (Exception ex) {

                LOG.warn("Problems drawing heatmap", ex);

            }

        }

    }

    private final ISymbol defaultSymbol;

    private final DensityAlgorithm algorithm;

//    private int distance; // Pixels

    private Color[] colorTable;

    private int opacity;

    public DefaultHeatmapLegend() {

        this.defaultSymbol = new SimpleTextSymbol();

        this.algorithm = new DensityAlgorithm(30);

        this.opacity = 100;

        this.colorTable = createColorTable(100, Color.BLUE, Color.RED);

    }

    @Override

    protected String[] getRequiredFeatureAttributeNames(FeatureStore featureStore) throws DataException {

        return new String[]{

            featureStore.getDefaultFeatureType().getDefaultGeometryAttributeName()};

    }

    @Override

    public ISymbol getDefaultSymbol() {

        return this.defaultSymbol;

    }

    @Override

    public void setDefaultSymbol(ISymbol is) {

    }

    @Override

    public ISymbol getSymbolByFeature(Feature ftr) throws MapContextException {

        return this.defaultSymbol;

    }

    @Override

    public int getShapeType() {

        return Geometry.TYPES.GEOMETRY;

    }

    @Override

    public void setShapeType(int i) {

    }

    @Override

    public boolean isUseDefaultSymbol() {

        return true;

    }

    @Override

    public void useDefaultSymbol(boolean bln) {

    }

    @Override

    public boolean isSuitableForShapeType(int shapeType) {

        return true;

    }

    @Override

    protected void draw(BufferedImage image, Graphics2D g, ViewPort viewPort, Cancellable cancel, double scale, Map queryParameters, ICoordTrans coordTrans, FeatureStore featureStore, FeatureQuery featureQuery, double dpi) throws LegendException {

        this.algorithm.init(image.getWidth(), image.getHeight());

        super.draw(image, g, viewPort, cancel, scale, queryParameters, coordTrans, featureStore, featureQuery, dpi);

        if( !cancel.isCanceled() ) {

            this.algorithm.draw(image, this.colorTable, cancel);

        }

    }

    @Override

    protected void drawFeatures(

        BufferedImage image,

        Graphics2D g,

        final ViewPort viewPort,

        final Cancellable cancel,

        final ICoordTrans coordTrans,

        double dpi,

        DefaultFeatureDrawnNotification drawnNotification,

        FeatureSet featureSet,

        FeatureSelection selection

    ) throws BaseException {

        featureSet.accept(new Visitor() {

            @Override

            public void visit(Object o) throws VisitCanceledException, BaseException {

                if( cancel.isCanceled() ) {

                    throw new VisitCanceledException();

                }

                Feature feature = (Feature) o;

                Geometry geom = feature.getDefaultGeometry();

                if( geom != null ) {

                    Point pointGeo = geom.centroid();

                    if( coordTrans != null ) {

                        pointGeo.reProject(coordTrans);

                    }

                    Point pointPixels = (Point) pointGeo.cloneGeometry();

                    pointPixels.transform(viewPort.getAffineTransform());

                    algorithm.add((int) pointPixels.getX(), (int) pointPixels.getY());

                }

            }

        });

    }

    private Color[] createColorTable(int elements, Color first, Color last) {

        Color[] table = new Color[elements];

        double deltaRed=(last.getRed()-first.getRed())/elements;

        double deltaGreen=(last.getGreen()-first.getGreen())/elements;

        double deltaBlue=(last.getBlue()-first.getBlue())/elements;

//        double deltaAlpha=(last.getAlpha()-first.getAlpha())/elements;

        double deltaAlpha=(255-0)/elements;

        for( int i = 0; i < elements; i++ ) {

            //Lo tuyo a pi??n fijo

//            table[i] = new Color(i, 0, 0, i); //, this.opacity);

            //Lo m?o

            //FIXME: Entiendo que la opacity es la opacidad general de la capa.

            table[i] = new Color(

                (int) (first.getRed() + i * deltaRed),

                (int) (first.getGreen() + i * deltaGreen),

                (int) (first.getBlue() + i * deltaBlue),

//                (int) ((first.getAlpha() + i * deltaAlpha)*opacity/100)

                (int) (i * deltaAlpha)

            );

        }

        return table;

    }

    /**

     * @return the distance

     */

    @Override

    public int getDistance() {

        return this.algorithm.getDistance();

    }

    /**

     * @param distance the distance to set

     */

    @Override

    public void setDistance(int distance) {

        this.algorithm.setDistance(distance);

    }

}

org.gvsig.legend.heatmap.lib.impl.HeatmapLegendLibraryImpl

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <artifactId>org.gvsig.legend.heatmap.lib.impl</artifactId>

  <name>org.gvsig.legend.heatmap.lib.impl</name>

  <parent>

    <groupId>org.gvsig</groupId>

    <artifactId>org.gvsig.legend.heatmap.lib</artifactId>

    <version>1.0.0</version>

  </parent>

  <groupId>org.gvsig</groupId>

  <dependencies>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.legend.heatmap.lib.api</artifactId>

      <scope>compile</scope>

    </dependency>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.fmap.dal.api</artifactId>

      <scope>compile</scope>

    </dependency>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.symbology.lib.impl</artifactId>

      <version>2.0.199</version>

      <type>jar</type>

    </dependency>

  </dependencies>

</project>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <parent>

    <groupId>org.gvsig</groupId>

    <artifactId>org.gvsig.legend.heatmap</artifactId>

    <version>1.0.0</version>

  </parent>

  <groupId>org.gvsig</groupId>

  <artifactId>org.gvsig.legend.heatmap.lib</artifactId>

  <packaging>pom</packaging>

  <modules>

    <module>org.gvsig.legend.heatmap.lib.api</module>

    <module>org.gvsig.legend.heatmap.lib.impl</module>

  </modules>

</project>

org.gvsig.legend.heatmap.lib.api.HeatmapLegendLibrary

package org.gvsig.legend.heatmap.lib.api;

import org.gvsig.fmap.mapcontext.rendering.legend.IVectorLegend;

public interface HeatmapLegend extends IVectorLegend {

    public int getDistance();

    public void setDistance(int distance);

}

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.legend.heatmap.lib.api;

import org.gvsig.tools.locator.AbstractLocator;

import org.gvsig.tools.locator.Locator;

import org.gvsig.tools.locator.LocatorException;

public class HeatmapLegendLocator extends AbstractLocator {

    /**

     * HeatmapLegend locator name

     */

    private static final String LOCATOR_NAME = "HeatmapLegendLocator";

    /**

     * HeatmapLegend manager name

     */

    public static final String MANAGER_NAME = "HeatmapLegendManager";

    /**

     * HeatmapLegend manager description

     */

    private static final String MANAGER_DESCRIPTION =

        "HeatmapLegend Manager of gvSIG";

    /**

     * Unique instance

     */

    private static final HeatmapLegendLocator instance = new HeatmapLegendLocator();

    @Override

    public String getLocatorName() {

        return LOCATOR_NAME;

    }

    /**

     * Registers the Class implementing the HeatmapLegendManager interface.

     *

     * @param clazz

     *            implementing the HeatmapLegendManager interface

     */

    public static void registerHeatmapLegendManager(Class clazz){

        getInstance().register(MANAGER_NAME, MANAGER_DESCRIPTION, clazz);

    }

    /**

     * Registers the default Class implementing the HeatmapLegendManager interface

     *

     * @param clazz

     *            implementing the HeatmapLegendManager interface

     */

    public static void registerDefaultHeatmapLegendManager(Class clazz){

        getInstance().registerDefault(MANAGER_NAME, MANAGER_DESCRIPTION, clazz);

    }

    /**

     * Return a reference to HeatmapLegendManager.

     *

     * @return a reference to HeatmapLegendManager

     * @throws LocatorException

     *             if there is no access to the class or the class

     *             cannot be instantiated

     * @see Locator#get(String)

     */

    public static HeatmapLegendManager getHeatmapLegendManager() throws LocatorException {

        return (HeatmapLegendManager) getInstance().get(MANAGER_NAME);

    }

    /**

     * @return

     */

    public static Locator getInstance() {

        return instance;

    }

}

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.legend.heatmap.lib.api;

import org.gvsig.tools.library.AbstractLibrary;

import org.gvsig.tools.library.LibraryException;

import org.gvsig.tools.locator.ReferenceNotRegisteredException;

public class HeatmapLegendLibrary extends AbstractLibrary {

    @Override

    protected void doInitialize() throws LibraryException {

        registerAsAPI(HeatmapLegendLibrary.class);

    }

    @Override

    protected void doPostInitialize() throws LibraryException {

        // Validate there is any implementation registered.

        HeatmapLegendManager manager = HeatmapLegendLocator.getHeatmapLegendManager();

        if (manager == null) {

            throw new ReferenceNotRegisteredException(

                HeatmapLegendLocator.MANAGER_NAME, HeatmapLegendLocator.getInstance());

        }

    }

}

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * 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 3

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.legend.heatmap.lib.api;

public interface HeatmapLegendManager {

    /**

     * Creates an aggregate legend

     *

     * @return the aggregate legend

     */

    public HeatmapLegend create();

    public Class<? extends HeatmapLegend> getLegendClass();

}

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <groupId>org.gvsig</groupId>

  <artifactId>org.gvsig.legend.heatmap.lib.api</artifactId>

  <name>org.gvsig.legend.heatmap.lib.api</name>

  <parent>

    <groupId>org.gvsig</groupId>

    <artifactId>org.gvsig.legend.heatmap.lib</artifactId>

    <version>1.0.0</version>

  </parent>

  <build>

    <plugins>

      <plugin>

        <groupId>org.apache.maven.plugins</groupId>

        <artifactId>maven-jar-plugin</artifactId>

        <configuration>

        </configuration>

        <executions>

          <!-- Generates a jar file only with the test classes -->

          <execution>

            <goals>

              <goal>test-jar</goal>

            </goals>

          </execution>

        </executions>

      </plugin>

    </plugins>

  </build>

  <dependencies>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.tools.lib</artifactId>

      <scope>compile</scope>

    </dependency>

    <dependency>

      <groupId>org.gvsig</groupId>

      <artifactId>org.gvsig.fmap.mapcontext.api</artifactId>

      <scope>compile</scope>

    </dependency>

  </dependencies>

</project>

package org.gvsig.legend.heatmap.swing.impl;

import com.jeta.open.i18n.I18NUtils;

import com.jgoodies.forms.layout.CellConstraints;

import com.jgoodies.forms.layout.FormLayout;

import java.awt.BorderLayout;

import java.awt.ComponentOrientation;

import java.awt.Container;

import java.awt.Dimension;

import javax.swing.Box;

import javax.swing.ImageIcon;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

public class DefaultHeatmapLegendEditorView extends JPanel

{

   JLabel lblDistance = new JLabel();

   JTextField txtDistance = new JTextField();

   /**

    * Default constructor

    */

   public DefaultHeatmapLegendEditorView()

   {

      initializePanel();

   }

   /**

    * Adds fill components to empty cells in the first row and first column of the grid.

    * This ensures that the grid spacing will be the same as shown in the designer.

    * @param cols an array of column indices in the first row where fill components should be added.

    * @param rows an array of row indices in the first column where fill components should be added.

    */

   void addFillComponents( Container panel, int[] cols, int[] rows )

   {

      Dimension filler = new Dimension(10,10);

      boolean filled_cell_11 = false;

      CellConstraints cc = new CellConstraints();

      if ( cols.length > 0 && rows.length > 0 )

      {

         if ( cols[0] == 1 && rows[0] == 1 )

         {

            /** add a rigid area  */

            panel.add( Box.createRigidArea( filler ), cc.xy(1,1) );

            filled_cell_11 = true;

         }

      }

      for( int index = 0; index < cols.length; index++ )

      {

         if ( cols[index] == 1 && filled_cell_11 )

         {

            continue;

         }

         panel.add( Box.createRigidArea( filler ), cc.xy(cols[index],1) );

      }

      for( int index = 0; index < rows.length; index++ )

      {

         if ( rows[index] == 1 && filled_cell_11 )

         {

            continue;

         }

         panel.add( Box.createRigidArea( filler ), cc.xy(1,rows[index]) );

      }

   }

   /**

    * Helper method to load an image file from the CLASSPATH

    * @param imageName the package and name of the file to load relative to the CLASSPATH

    * @return an ImageIcon instance with the specified image file

    * @throws IllegalArgumentException if the image resource cannot be loaded.

    */

   public ImageIcon loadImage( String imageName )

   {

      try

      {

         ClassLoader classloader = getClass().getClassLoader();

         java.net.URL url = classloader.getResource( imageName );

         if ( url != null )

         {

            ImageIcon icon = new ImageIcon( url );

            return icon;

         }

      }

      catch( Exception e )

      {

         e.printStackTrace();

      }

      throw new IllegalArgumentException( "Unable to load image: " + imageName );

   }

   /**

    * Method for recalculating the component orientation for 

    * right-to-left Locales.

    * @param orientation the component orientation to be applied

    */

   public void applyComponentOrientation( ComponentOrientation orientation )

   {

      // Not yet implemented...

      // I18NUtils.applyComponentOrientation(this, orientation);

      super.applyComponentOrientation(orientation);

   }

   public JPanel createPanel()

   {

      JPanel jpanel1 = new JPanel();

      FormLayout formlayout1 = new FormLayout("FILL:DEFAULT:NONE,FILL:DEFAULT:NONE,FILL:DEFAULT:NONE,FILL:DEFAULT:GROW(1.0),FILL:DEFAULT:NONE","CENTER:DEFAULT:NONE,CENTER:DEFAULT:NONE,CENTER:DEFAULT:NONE");

      CellConstraints cc = new CellConstraints();

      jpanel1.setLayout(formlayout1);

      lblDistance.setName("lblDistance");

      lblDistance.setText("Distance");

      jpanel1.add(lblDistance,cc.xy(2,2));

      txtDistance.setName("txtDistance");

      jpanel1.add(txtDistance,cc.xy(4,2));

      addFillComponents(jpanel1,new int[]{ 1,2,3,4,5 },new int[]{ 1,2,3 });

      return jpanel1;

   }

   /**

    * Initializer

    */

   protected void initializePanel()

   {

      setLayout(new BorderLayout());

      add(createPanel(), BorderLayout.CENTER);

   }

}

/* gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.legend.heatmap.swing.impl;

import org.gvsig.legend.heatmap.swing.api.HeatmapLegendEditor;

import org.gvsig.legend.heatmap.swing.api.HeatmapLegendSwingManager;

public class DefaultHeatmapLegendSwingManager implements HeatmapLegendSwingManager {

    @Override

    public HeatmapLegendEditor createHeatmapdLegendEditor() {

        return new DefaultHeatmapLegendEditor();

    }

}

package org.gvsig.legend.heatmap.swing.impl;

import javax.swing.ImageIcon;

import javax.swing.JPanel;

import org.gvsig.fmap.mapcontext.layers.FLayer;

import org.gvsig.fmap.mapcontext.rendering.legend.ILegend;

import org.gvsig.legend.heatmap.lib.api.HeatmapLegend;

import org.gvsig.legend.heatmap.lib.api.HeatmapLegendLocator;

import org.gvsig.legend.heatmap.swing.api.HeatmapLegendEditor;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.i18n.I18nManager;

public class DefaultHeatmapLegendEditor extends DefaultHeatmapLegendEditorView implements HeatmapLegendEditor {

    private static final long serialVersionUID = 4307714097793669675L;

    private HeatmapLegend legend;

    private FLayer layer;

    private final Class<? extends HeatmapLegend> legendClass;

    public DefaultHeatmapLegendEditor() {

        this.legendClass = HeatmapLegendLocator.getHeatmapLegendManager().getLegendClass();

    }

    @Override

    public void setData(FLayer layer, ILegend legend) {

        this.layer = layer;

        if( this.getLegendClass().isInstance(legend) ) {

            this.legend = (HeatmapLegend) legend;

        } else {

            this.legend = HeatmapLegendLocator.getHeatmapLegendManager().create();

        }

        this.txtDistance.setText(String.valueOf(this.legend.getDistance()));

    }

    @Override

    public ILegend getLegend() {

        int d;

        try {

            d = Integer.parseUnsignedInt(this.txtDistance.getText());

        } catch(Throwable th) {

            d = 20;

        }

        if( d<10 ) {

            d = 10;

        }

        legend.setDistance(d);

        return legend;

    }

    @Override

    public String getDescription() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        return i18n.getTranslation( "_Heatmap_legend");

    }

    @Override

    public ImageIcon getIcon() {

        // TODO:

        return null;

    }

    @Override

    public Class getParentClass() {

        return null;

    }

    @Override

    public String getTitle() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        return i18n.getTranslation( "_Heatmap_legend");

    }

    @Override

    public JPanel getPanel() {

        return this;

    }

    @Override

    public Class getLegendClass() {

        return this.legendClass;

    }

    @Override

    public boolean isSuitableFor(FLayer layer) {

        return true;

    }

}

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright ? 2007-2015 gvSIG Association

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

package org.gvsig.legend.heatmap.swing.impl;

import org.gvsig.legend.heatmap.swing.api.HeatmapLegendSwingLocator;

import org.gvsig.symbology.swing.SymbologySwingLibrary;

import org.gvsig.symbology.swing.SymbologySwingLocator;

import org.gvsig.symbology.swing.SymbologySwingManager;

import org.gvsig.tools.library.AbstractLibrary;

import org.gvsig.tools.library.LibraryException;

public class HeatmapLegendSwingLibrary extends AbstractLibrary {

	@Override

    public void doRegistration() {

        registerAsImplementationOf(HeatmapLegendSwingLibrary.class);

        require(SymbologySwingLibrary.class);

    }

    @Override

    protected void doInitialize() throws LibraryException {

        HeatmapLegendSwingLocator.registerHeatmapLegendSwingManager(DefaultHeatmapLegendSwingManager.class);

    }

    @Override

    protected void doPostInitialize() throws LibraryException {

        SymbologySwingManager symmnager = SymbologySwingLocator.getSwingManager();

        symmnager.registerLegendEditor(DefaultHeatmapLegendEditor.class);

	}

}

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    <at name="componentclass">com.jeta.forms.gui.form.FormComponent</at>

   </super>

   <at name="id">/home/jjdelcerro/datos/devel/org.gvsig.legend.aggregate/org.gvsig.legend.aggregate.swing/org.gvsig.legend.aggregate.swing.impl/src/main/java/org/gvsig/legend/aggregate/swing/impl/DefaultAggregateLegendEditorView.xml</at>

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