Shapefiles.java

/*
 * Copyright 2006-2009, 2017, 2020 United States Government, as represented by the
 * Administrator of the National Aeronautics and Space Administration.
 * All rights reserved.
 * 
 * The NASA World Wind Java (WWJ) platform is licensed under the Apache License,
 * Version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 * 
 * NASA World Wind Java (WWJ) also contains the following 3rd party Open Source
 * software:
 * 
 *     Jackson Parser – Licensed under Apache 2.0
 *     GDAL – Licensed under MIT
 *     JOGL – Licensed under  Berkeley Software Distribution (BSD)
 *     Gluegen – Licensed under Berkeley Software Distribution (BSD)
 * 
 * A complete listing of 3rd Party software notices and licenses included in
 * NASA World Wind Java (WWJ)  can be found in the WorldWindJava-v2.2 3rd-party
 * notices and licenses PDF found in code directory.
 */
package gov.nasa.worldwindx.examples;

import gov.nasa.worldwind.formats.shapefile.*;
import gov.nasa.worldwind.layers.Layer;
import gov.nasa.worldwind.util.*;
import gov.nasa.worldwindx.examples.util.RandomShapeAttributes;

import javax.swing.*;

/**
 * Illustrates how to import ESRI Shapefiles into WorldWind. This uses a <code>{@link ShapefileLayerFactory}</code> to
 * parse a Shapefile's contents and convert the shapefile into an equivalent WorldWind shape.
 *
 * @version $Id: Shapefiles.java 3212 2015-06-18 02:45:56Z tgaskins $
 */
public class Shapefiles extends ApplicationTemplate
{
    public static class AppFrame extends ApplicationTemplate.AppFrame
    {
        public AppFrame()
        {
            ShapefileLayerFactory factory = new ShapefileLayerFactory();

            // Specify an attribute delegate to assign random attributes to each shapefile record.
            final RandomShapeAttributes randomAttrs = new RandomShapeAttributes();
            factory.setAttributeDelegate(new ShapefileRenderable.AttributeDelegate()
            {
                @Override
                public void assignAttributes(ShapefileRecord shapefileRecord,
                    ShapefileRenderable.Record renderableRecord)
                {
                    renderableRecord.setAttributes(randomAttrs.nextAttributes().asShapeAttributes());
                }
            });

            // Load the shapefile. Define the completion callback.
            factory.createFromShapefileSource("testData/shapefiles/TM_WORLD_BORDERS-0.3.shp",
                new ShapefileLayerFactory.CompletionCallback()
                {
                    @Override
                    public void completion(Object result)
                    {
                        final Layer layer = (Layer) result; // the result is the layer the factory created
                        layer.setName(WWIO.getFilename(layer.getName()));

                        // Add the layer to the WorldWindow's layer list on the Event Dispatch Thread.
                        SwingUtilities.invokeLater(new Runnable()
                        {
                            @Override
                            public void run()
                            {
                                AppFrame.this.getWwd().getModel().getLayers().add(layer);
                            }
                        });
                    }

                    @Override
                    public void exception(Exception e)
                    {
                        Logging.logger().log(java.util.logging.Level.SEVERE, e.getMessage(), e);
                    }
                });
        }
    }

    public static void main(String[] args)
    {
        start("WorldWind Shapefiles", AppFrame.class);
    }
}