Examples of org.geotools.styling.StyledLayerDescriptor

org.geotools.styling.StyledLayerDescriptor
Holds styling information (from a StyleLayerDescriptor document).
This interface is bound to version 1.0 of the SLD specification.

For many of us in geotools this is the reason we came along for the ride - a pretty picture. For documentation on the use of this class please consult the SLD 1.0 specification.

We may experiment with our own (or SLD 1.1) ideas but will mark such experiments for you. This is only an issue of you are considering writing out these objects for interoptability with other systems.

General stratagy for supporting multiple SLD versions (and experiments):
- These interfaces will reflect the current published specification
- Our implementations will be BIGGER and more capabile then any one specification
- We cannot defined explicit interfaces tracking each version until we move to Java 5 (perferably GeoAPI would hold these anyways)
- We can provided javadocs indicating extentions, and isolate these using the normal java convention: TextSymbolizer and TextSymbolizer2 (In short you will have to go out of your way to work with a hack or experiment, you won't depend on one by accident)
- We can use Factories (aka SLD1Factory and SLD1_1Factory and SEFactory) to support the creation of conformant datastructures. Code (such as user interfaces) can be parameratized with these factories when they need to confirm to an exact version supported by an individual service. We hope that specifications are always adative, and will be forced to throw unsupported exceptions when functionality is removed from a specification.
@author Ian Turton, CCG @author James Macgill, CCG @author Jody Garnett, Refractions Research @source $URL$ @version SLD 1.0 @since GeoTools 2.0

    ////
      GeneralEnvelope envelope = new GeneralEnvelope(new double[] { -180,-90 },new double[] { 180,90 });
            envelope.setCoordinateReferenceSystem(DefaultGeographicCRS.WGS84);        
    java.net.URL surl = TestData.url(this, "raster_dem.sld");
    SLDParser stylereader = new SLDParser(sf, surl);
    StyledLayerDescriptor sld = stylereader.parseSLD();


    // get a coverage
    GridCoverage2D gc = CoverageFactoryFinder.getGridCoverageFactory(null)
        .create(
            "name",

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  }
  @org.junit.Test
  public void landsat() throws IOException, TransformerException {
    java.net.URL surl = TestData.url(this, "landsat.sld");
    SLDParser stylereader = new SLDParser(sf, surl);
    StyledLayerDescriptor sld = stylereader.parseSLD();


    final GridSampleDimension[] gsd={
        new GridSampleDimension("test1BandByte_SLD1"),
        new GridSampleDimension("test1BandByte_SLD2"),
        new GridSampleDimension("test1BandByte_SLD3"),

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  @Test
  public void twoColorsTest() throws IOException{
    java.net.URL surl = TestData.url(this, "raster_discretecolors.sld");
    SLDParser stylereader = new SLDParser(sf, surl);
    StyledLayerDescriptor sld = stylereader.parseSLD();


    // get a coverage
                GeneralEnvelope envelope = new GeneralEnvelope(new double[] { -180,-90 },new double[] { 180,90 });
                envelope.setCoordinateReferenceSystem(DefaultGeographicCRS.WGS84);      
    GridCoverage2D gc = CoverageFactoryFinder.getGridCoverageFactory(null)

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    ////
    GeneralEnvelope envelope = new GeneralEnvelope(new double[] { -180,-90 },new double[] { 180,90 });
      envelope.setCoordinateReferenceSystem(DefaultGeographicCRS.WGS84);
    java.net.URL surl = TestData.url(this, "raster.sld");
    SLDParser stylereader = new SLDParser(sf, surl);
    StyledLayerDescriptor sld = stylereader.parseSLD();


    // get a coverage
    GridCoverage2D gc = CoverageFactoryFinder.getGridCoverageFactory(null)
        .create(
            "name",

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    public StyledLayerDescriptor build() {
        if (unset) {
            return null;
        }
        StyledLayerDescriptor sld = sf.createStyledLayerDescriptor();
        sld.setName(name);
        sld.setTitle(title);
        sld.setAbstract(sldAbstract);
        for (AbstractSLDBuilder<? extends StyledLayer> builder : layers) {
            sld.addStyledLayer(builder.build());
        }
        reset();
        return sld;
    }

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 */
public class SLDTest extends AbstractStyleTest {


    @Test
    public void testSimpleNamed() {
        StyledLayerDescriptor sld = new NamedLayerBuilder().name("states").style()
                .featureTypeStyle().rule().point().buildSLD();
        // print(sld);


        StyleCollector collector = new StyleCollector();
        sld.accept(collector);
        assertSimpleStyle(collector);


        NamedLayer layer = (NamedLayer) collector.layers.get(0);
        assertEquals("states", layer.getName());
        assertTrue(collector.symbolizers.get(0) instanceof PointSymbolizer);

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        assertTrue(collector.symbolizers.get(0) instanceof PointSymbolizer);
    }


    @Test
    public void testNamedStyle() {
        StyledLayerDescriptor sld = new NamedLayerBuilder().name("states").style()
                .name("population").buildSLD();
        // print(sld);


        StyleCollector collector = new StyleCollector();
        sld.accept(collector);
        assertEquals(0, collector.featureTypeStyles.size());
        assertEquals(0, collector.rules.size());
        assertEquals(0, collector.symbolizers.size());
        assertEquals(1, collector.styles.size());
        assertEquals(1, collector.layers.size());

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        UserLayerBuilder lb = new UserLayerBuilder();
        lb.remoteOWS("http://geoserver.org/geoserver/ows", "WFS");
        lb.featureTypeConstraint().featureTypeName("states")
                .filter(tenMillionPeople);
        lb.style().featureTypeStyle().rule().polygon().fill();
        StyledLayerDescriptor sld = lb.buildSLD();
        // print(sld);
        
        StyleCollector collector = new StyleCollector();
        sld.accept(collector);
        assertSimpleStyle(collector);


        UserLayer layer = (UserLayer) collector.layers.get(0);
        assertEquals("http://geoserver.org/geoserver/ows", layer.getRemoteOWS().getOnlineResource());
        assertEquals("WFS", layer.getRemoteOWS().getService());

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  Style loadTestStyle() throws IOException {
    StyleFactory factory = CommonFactoryFinder.getStyleFactory(null);


    URL surl = TestData.getResource(this, "test-sld.xml");
    SLDParser stylereader = new SLDParser(factory, surl);
    StyledLayerDescriptor sld = stylereader.parseSLD();
    UserLayer layer = (UserLayer) sld.getStyledLayers()[0];
    return layer.getUserStyles()[0];
  }

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      JOptionPane.showMessageDialog(this, "Style not defined");
      return;
    }
    // Wrap style as an SLD
    StyleFactory factory = CommonFactoryFinder.getStyleFactory();
    StyledLayerDescriptor sld = factory.createStyledLayerDescriptor();


    org.geotools.sld.v1_1.SLDConfiguration configuration = new org.geotools.sld.v1_1.SLDConfiguration();
    Encoder encoder = new org.geotools.xml.Encoder(configuration);


    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();

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