Examples with RasterSymbolizer org.opengis.style.RasterSymbolizer used on opensource projects

Example 1 with RasterSymbolizer

use of org.opengis.style.RasterSymbolizer in project geotoolkit by Geomatys.

the class KmzContextInterpreter method writeSymbolizer.

/**
 * Writes KML color styles mapping SLD Symbolizers.
 * Color styles are written into KML Style selector.
 */
private AbstractStyleSelector writeSymbolizer(Symbolizer symbolizer, Style styleSelector) {
    if (symbolizer instanceof ExtensionSymbolizer) {
    } else // LineSymbolizer mapping
    if (symbolizer instanceof LineSymbolizer) {
        final LineSymbolizer lineSymbolizer = (LineSymbolizer) symbolizer;
        final LineStyle lineStyle = ((styleSelector.getLineStyle() == null) ? KML_FACTORY.createLineStyle() : styleSelector.getLineStyle());
        lineStyle.setWidth((Double) this.writeExpression(lineSymbolizer.getStroke().getWidth(), Double.class, null));
        lineStyle.setColor((Color) this.writeExpression(lineSymbolizer.getStroke().getColor(), Color.class, null));
        styleSelector.setLineStyle(lineStyle);
    } else // PointSymbolizezr mapping
    if (symbolizer instanceof PointSymbolizer) {
    // PointSymbolizer pointSymbolizer = (PointSymbolizer) symbolizer;
    // IconStyle iconStyle = KML_FACTORY.createIconStyle();
    // GraphicalSymbol gs = ((GraphicalSymbol) pointSymbolizer.getGraphic().graphicalSymbols().get(0));
    // gs.
    } else // PolygonSymbolizer mapping
    if (symbolizer instanceof PolygonSymbolizer) {
        final PolygonSymbolizer polygonSymbolizer = (PolygonSymbolizer) symbolizer;
        final PolyStyle polyStyle = KML_FACTORY.createPolyStyle();
        // Fill
        if (polygonSymbolizer.getFill() == null) {
            polyStyle.setFill(false);
        } else {
            polyStyle.setFill(true);
            polyStyle.setColor((Color) this.writeExpression(polygonSymbolizer.getFill().getColor(), Color.class, null));
        }
        // Outline
        if (polygonSymbolizer.getStroke() == null) {
            polyStyle.setOutline(false);
        } else if (styleSelector.getLineStyle() == null) {
            polyStyle.setOutline(true);
            final LineStyle lineStyle = KML_FACTORY.createLineStyle();
            lineStyle.setColor((Color) this.writeExpression(polygonSymbolizer.getStroke().getColor(), Color.class, null));
            lineStyle.setWidth((Double) this.writeExpression(polygonSymbolizer.getStroke().getWidth(), Double.class, null));
            styleSelector.setLineStyle(lineStyle);
        }
        styleSelector.setPolyStyle(polyStyle);
    } else if (symbolizer instanceof RasterSymbolizer) {
    } else if (symbolizer instanceof TextSymbolizer) {
        final TextSymbolizer textSymbolizer = (TextSymbolizer) symbolizer;
        final LabelStyle labelStyle = KML_FACTORY.createLabelStyle();
        if (textSymbolizer.getFont() != null) {
            textSymbolizer.getFont().getSize();
        }
        if (textSymbolizer.getFill() != null) {
            labelStyle.setColor((Color) this.writeExpression(textSymbolizer.getFill().getColor(), Color.class, null));
        }
        styleSelector.setLabelStyle(labelStyle);
    }
    return styleSelector;
}

Example 2 with RasterSymbolizer

use of org.opengis.style.RasterSymbolizer in project geotoolkit by Geomatys.

the class MeridianTest method createCoverageLayer.

private static MapLayers createCoverageLayer(Envelope env) {
    final BufferedImage image = new BufferedImage((int) env.getSpan(0), (int) env.getSpan(1), BufferedImage.TYPE_INT_RGB);
    final Graphics2D g2d = image.createGraphics();
    g2d.setColor(Color.RED);
    g2d.fillRect(0, 0, image.getWidth(), image.getHeight());
    final GridCoverageBuilder gcb = new GridCoverageBuilder();
    gcb.setDomain(new GridGeometry(null, PixelInCell.CELL_CORNER, new AffineTransform2D(1, 0, 0, -1, env.getMinimum(0), env.getMaximum(1)), env.getCoordinateReferenceSystem()));
    gcb.setValues(image);
    final GridCoverage coverage = gcb.build();
    final RasterSymbolizer symbol = SF.rasterSymbolizer();
    final MutableStyle style = SF.style(symbol);
    final MapLayer layer = MapBuilder.createCoverageLayer(coverage, style, "test");
    final MapLayers context = MapBuilder.createContext();
    context.getComponents().add(layer);
    return context;
}

Example 3 with RasterSymbolizer

use of org.opengis.style.RasterSymbolizer in project geotoolkit by Geomatys.

the class RasterSymbolizerRenderer method presentations.

@Override
public Stream<Presentation> presentations(MapLayer layer, Feature feature) {
    final RasterSymbolizer sourceSymbol = symbol.getSource();
    final Object candidate = GO2Utilities.evaluate(sourceSymbol.getGeometry(), feature, null, null);
    GridCoverageResource ref = null;
    if (candidate instanceof GridCoverageResource) {
        ref = (GridCoverageResource) candidate;
    } else if (candidate instanceof GridCoverage) {
        ref = new InMemoryGridCoverageResource((GridCoverage) candidate);
    } else {
        return Stream.empty();
    }
    try {
        final int[] channelSelection = channelSelection(sourceSymbol, ref);
        final GridCoverage dataCoverage = getObjectiveCoverage(ref, renderingContext.getGridGeometry(), false, channelSelection);
        if (dataCoverage == null) {
            return Stream.empty();
        }
        final GridCoverage2D dataImage = applyStyle(ref, dataCoverage, sourceSymbol);
        final RasterPresentation rasterPresentation = new RasterPresentation(layer, ref, dataImage);
        rasterPresentation.forGrid(renderingContext);
        return Stream.concat(Stream.of(rasterPresentation), outline(layer, dataImage.getGridGeometry()));
    } catch (NoSuchDataException | DisjointExtentException e) {
        LOGGER.log(Level.FINE, "Disjoint exception: " + e.getMessage(), e);
    } catch (Exception e) {
        LOGGER.log(Level.WARNING, "Portrayal exception: " + e.getMessage(), e);
    }
    return Stream.empty();
}

Example 4 with RasterSymbolizer

use of org.opengis.style.RasterSymbolizer in project geotoolkit by Geomatys.

the class RasterSymbolizerRenderer method presentations.

@Override
public Stream<Presentation> presentations(MapLayer layer, Resource rs) {
    if (rs instanceof BandedCoverageResource) {
        BandedCoverageResource bcr = (BandedCoverageResource) rs;
        try {
            GridCoverage coverage = BandedCoverageResource.sample(bcr, renderingContext.getGridGeometry2D());
            rs = new InMemoryGridCoverageResource(rs.getIdentifier().orElse(null), coverage);
        } catch (DataStoreException ex) {
            ExceptionPresentation ep = new ExceptionPresentation(ex);
            ep.setLayer(layer);
            ep.setResource(rs);
            return Stream.of(ep);
        }
    }
    if (rs instanceof GridCoverageResource) {
        GridCoverageResource ref = (GridCoverageResource) rs;
        try {
            final RasterSymbolizer sourceSymbol = symbol.getSource();
            final int[] channelSelection = channelSelection(sourceSymbol, ref);
            final GridCoverage dataCoverage = getObjectiveCoverage(ref, renderingContext.getGridGeometry(), false, channelSelection);
            if (dataCoverage == null) {
                return Stream.empty();
            }
            final GridCoverage2D dataImage = applyStyle(ref, dataCoverage, sourceSymbol);
            final RasterPresentation rasterPresentation = new RasterPresentation(layer, layer.getData(), dataImage);
            rasterPresentation.forGrid(renderingContext);
            return Stream.concat(Stream.of(rasterPresentation), outline(layer, dataImage.getGridGeometry()));
        } catch (NoSuchDataException | DisjointExtentException e) {
            LOGGER.log(Level.FINE, "Disjoint exception: " + e.getMessage(), e);
        } catch (Exception e) {
            ExceptionPresentation ep = new ExceptionPresentation(e);
            ep.setLayer(layer);
            ep.setResource(rs);
            return Stream.of(ep);
        }
    } else {
        return super.presentations(layer, rs);
    }
    return Stream.empty();
}

Example 5 with RasterSymbolizer

use of org.opengis.style.RasterSymbolizer in project geotoolkit by Geomatys.

the class RasterSymbolizerTest method coverage_whose_grid_origin_is_lower_left_should_be_flipped.

/**
 * Source coverage will be a matrix <em>with origin lower-left</em>:
 * <table>
 *     <tr><td>4</td><td>3</td></tr>
 *     <tr><td>1</td><td>2</td></tr>
 * </table>
 * @throws PortrayalException
 */
@Test
public void coverage_whose_grid_origin_is_lower_left_should_be_flipped() throws PortrayalException {
    final BufferedImage image = new BufferedImage(2, 2, BufferedImage.TYPE_BYTE_GRAY);
    image.getRaster().setSample(0, 0, 0, 1);
    image.getRaster().setSample(1, 0, 0, 2);
    image.getRaster().setSample(1, 1, 0, 3);
    image.getRaster().setSample(0, 1, 0, 4);
    final GridGeometry geom = new GridGeometry(new GridExtent(2, 2), PixelInCell.CELL_CENTER, new AffineTransform2D(1, 0, 0, 1, 10, 10), CommonCRS.defaultGeographic());
    final GridCoverage baseData = new GridCoverage2D(geom, null, image);
    MapLayer layer = MapBuilder.createLayer(new InMemoryGridCoverageResource(baseData));
    final MapLayers ctx = MapBuilder.createContext();
    ctx.getComponents().add(layer);
    BufferedImage rendering = DefaultPortrayalService.portray(new CanvasDef(new Dimension(2, 2), geom.getEnvelope()), new SceneDef(ctx, new Hints(GO2Hints.KEY_INTERPOLATION, InterpolationCase.NEIGHBOR, RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR)));
    // As display is oriented upper-left, output should be flipped on y axis. Also, the renderer will stretch values
    // along 256 colors, so we have to adapt comparison.
    final int[] pixels = rendering.getRaster().getPixels(0, 0, 2, 2, (int[]) null);
    final int[] expected = { 255, 255, 255, 255, 165, 165, 165, 255, 0, 0, 0, 255, 88, 88, 88, 255 };
    assertArrayEquals(expected, pixels);
    final ColorMap colorMap = SF.colorMap(SF.interpolateFunction(null, Arrays.asList(SF.interpolationPoint(1, FF.literal(Color.RED)), SF.interpolationPoint(2, FF.literal(Color.GREEN)), SF.interpolationPoint(3, FF.literal(Color.BLUE)), SF.interpolationPoint(4, FF.literal(Color.WHITE))), null, null, FF.literal(Color.BLACK)));
    final RasterSymbolizer symbol = SF.rasterSymbolizer(null, null, null, null, colorMap, null, null, null);
    ctx.getComponents().set(0, MapBuilder.createCoverageLayer(baseData, SF.style(symbol), "test"));
    rendering = DefaultPortrayalService.portray(new CanvasDef(new Dimension(2, 2), geom.getEnvelope()), new SceneDef(ctx, new Hints(GO2Hints.KEY_INTERPOLATION, InterpolationCase.NEIGHBOR, RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR)));
    assertEquals(Color.WHITE.getRGB(), rendering.getRGB(0, 0));
    assertEquals(Color.BLUE.getRGB(), rendering.getRGB(1, 0));
    assertEquals(Color.RED.getRGB(), rendering.getRGB(0, 1));
    assertEquals(Color.GREEN.getRGB(), rendering.getRGB(1, 1));
}