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am2222/App.java

Forked from dwins/App.java
Created April 10, 2018 12:28
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Revisions

  1. @dwins dwins created this gist May 23, 2010.
    52 changes: 52 additions & 0 deletions App.java
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,52 @@
    import java.awt.Graphics2D;
    import java.awt.Rectangle;
    import java.awt.image.BufferedImage;
    import java.io.File;
    import java.net.URL;
    import javax.imageio.ImageIO;
    import org.geotools.data.FeatureSource;
    import org.geotools.data.shapefile.ShapefileDataStore;
    import org.geotools.factory.CommonFactoryFinder;
    import org.geotools.geometry.jts.ReferencedEnvelope;
    import org.geotools.map.DefaultMapContext;
    import org.geotools.map.DefaultMapLayer;
    import org.geotools.map.MapContext;
    import org.geotools.map.MapLayer;
    import org.geotools.renderer.lite.StreamingRenderer;
    import org.geotools.styling.SLDParser;
    import org.geotools.styling.Style;
    import org.geotools.styling.StyleFactory;
    import org.opengis.feature.simple.SimpleFeature;
    import org.opengis.feature.simple.SimpleFeatureType;

    /**
    * Hello world!
    *
    */
    public class App {
    public static void main(String[] args) throws Exception {
    StyleFactory styleFactory = CommonFactoryFinder.getStyleFactory(null);
    SLDParser parser = new SLDParser(styleFactory, new URL("file:///home/dwins/Projects/geoserver/data/release/styles/popshade.sld"));
    Style style = parser.readXML()[0];

    ShapefileDataStore shapefile =
    new ShapefileDataStore(new URL("file:///home/dwins/Projects/geoserver/data/release/data/shapefiles/states.shp"));
    FeatureSource<SimpleFeatureType, SimpleFeature> features =
    shapefile.getFeatureSource(shapefile.getTypeNames()[0]);

    MapContext context = new DefaultMapContext(new MapLayer[]{
    new DefaultMapLayer(features, style)
    });

    BufferedImage image = new BufferedImage(300, 300, BufferedImage.TYPE_INT_ARGB);
    Graphics2D graphics = image.createGraphics();
    Rectangle screenArea = new Rectangle(0, 0, 300, 300);
    ReferencedEnvelope mapArea = features.getBounds();

    StreamingRenderer renderer = new StreamingRenderer();
    renderer.setContext(context);
    renderer.paint(graphics, screenArea, mapArea);

    ImageIO.write(image, "png", new File("/home/dwins/states.png"));
    }
    }