Examples with Expression org.opengis.filter.Expression used on opensource projects

Example 26 with Expression

use of org.opengis.filter.Expression in project geotoolkit by Geomatys.

the class CachedPolygonSymbolizer method evaluateDisplacement.

private void evaluateDisplacement() {
    Displacement disp = styleElement.getDisplacement();
    if (disp != null) {
        final Expression dispX = disp.getDisplacementX();
        final Expression dispY = disp.getDisplacementY();
        if (GO2Utilities.isStatic(dispX)) {
            cachedDispX = GO2Utilities.evaluate(dispX, null, Float.class, 0f);
        } else {
            GO2Utilities.getRequieredAttributsName(dispX, requieredAttributs);
        }
        if (GO2Utilities.isStatic(dispY)) {
            cachedDispY = GO2Utilities.evaluate(dispY, null, Float.class, 0f);
        } else {
            GO2Utilities.getRequieredAttributsName(dispY, requieredAttributs);
        }
        if (!Float.isNaN(cachedDispX) && !Float.isNaN(cachedDispY)) {
            cachedDisps = new float[] { cachedDispX, cachedDispY };
        }
    } else {
        // we can a disp X and Y of 0
        cachedDispX = 0f;
        cachedDispY = 0f;
        cachedDisps = new float[] { 0, 0 };
    }
}

Example 27 with Expression

use of org.opengis.filter.Expression in project geotoolkit by Geomatys.

the class SEforSLD110Test method testFillInterpolation.

// //////////////////////////////////////////////////////////////////////////
// JAXB TEST UNMARSHELLING FOR USER CASES //////////////////////////////////
// //////////////////////////////////////////////////////////////////////////
@Test
public void testFillInterpolation() throws JAXBException {
    final Unmarshaller UNMARSHALLER = POOL.acquireUnmarshaller();
    // Read test
    Object obj = UNMARSHALLER.unmarshal(FILE_SE_FILL_INTERPOLATION);
    assertNotNull(obj);
    JAXBElement<org.geotoolkit.se.xml.v110.PointSymbolizerType> jax = (JAXBElement<org.geotoolkit.se.xml.v110.PointSymbolizerType>) obj;
    PointSymbolizer pointSymbol = TRANSFORMER_GT.visit(jax.getValue());
    assertNotNull(pointSymbol);
    assertEquals(pointSymbol.getGeometryPropertyName(), valueGeom);
    assertEquals(Units.POINT, pointSymbol.getUnitOfMeasure());
    assertNotNull(pointSymbol.getGraphic());
    Graphic graphic = pointSymbol.getGraphic();
    Mark mark = (Mark) graphic.graphicalSymbols().get(0);
    Expression color = mark.getFill().getColor();
    assertTrue(color instanceof Interpolate);
    POOL.recycle(UNMARSHALLER);
}

Example 28 with Expression

use of org.opengis.filter.Expression in project geotoolkit by Geomatys.

the class Tester method createLineSymbolizer.

private static LineSymbolizer createLineSymbolizer() {
    String name = "the line symbolizer name";
    Description desc = STYLE_FACTORY.description("Line symbolizer title", "Line symbolizer description");
    Unit uom = Units.METRE;
    String geom = "geom";
    Stroke stroke = STYLE_FACTORY.stroke(Color.RED, 3, new float[] { 3, 6 });
    Expression offset = FILTER_FACTORY.literal(5);
    return STYLE_FACTORY.lineSymbolizer(name, geom, desc, uom, stroke, offset);
}

Example 29 with Expression

use of org.opengis.filter.Expression in project geotoolkit by Geomatys.

the class Tester method createTextSymbolizer.

private static TextSymbolizer createTextSymbolizer() {
    String name = "Text symbolizer name";
    Description desc = STYLE_FACTORY.description("Text symbolizer title", "Text symbolizer description");
    Unit uom = Units.FOOT;
    String geom = "geom";
    Fill fill = STYLE_FACTORY.fill(Color.ORANGE);
    Halo halo = STYLE_FACTORY.halo(Color.PINK, 12);
    PointPlacement placement = STYLE_FACTORY.pointPlacement();
    Font font = STYLE_FACTORY.font();
    Expression label = FILTER_FACTORY.literal("the feature field name");
    return STYLE_FACTORY.textSymbolizer(name, geom, desc, uom, label, font, placement, halo, fill);
}

Example 30 with Expression

use of org.opengis.filter.Expression in project geotoolkit by Geomatys.

the class Tester method createRasterSymbolizer.

private static RasterSymbolizer createRasterSymbolizer() {
    String name = "Raster symbolizer name";
    Description desc = STYLE_FACTORY.description("Raster symbolizer title", "Raster symbolizer description");
    Unit uom = Units.METRE;
    String geom = "geom";
    Expression opacity = FILTER_FACTORY.literal(0.5);
    ChannelSelection selection = STYLE_FACTORY.channelSelection(STYLE_FACTORY.selectedChannelType("chanel2", FILTER_FACTORY.literal(1)));
    OverlapBehavior overlap = OverlapBehavior.RANDOM;
    ColorMap colorMap = STYLE_FACTORY.colorMap();
    ContrastEnhancement enchance = STYLE_FACTORY.contrastEnhancement();
    ShadedRelief relief = STYLE_FACTORY.shadedRelief(FILTER_FACTORY.literal(3), true);
    Symbolizer outline = createLineSymbolizer();
    return STYLE_FACTORY.rasterSymbolizer(name, geom, desc, uom, opacity, selection, overlap, colorMap, enchance, relief, outline);
}