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

Example 1 with ChannelSelection

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

the class RasterSymbolizerRenderer method channelSelection.

private int[] channelSelection(RasterSymbolizer sourceSymbol, GridCoverageResource ref) throws PortrayalException, DataStoreException {
    final ChannelSelection selections = sourceSymbol.getChannelSelection();
    final int[] channelSelection;
    // we can change sample dimension only if we have more then one available.
    if (selections != null) {
        // delay sample dimension reading until we really need it, it may be expensive
        final List<SampleDimension> sampleDimensions = ref.getSampleDimensions();
        if (sampleDimensions == null || sampleDimensions.size() > 1) {
            final SelectedChannelType channel = selections.getGrayChannel();
            final SelectedChannelType[] channels = channel != null ? new SelectedChannelType[] { channel } : selections.getRGBChannels();
            if (channels != null && channels.length > 0) {
                channelSelection = new int[channels.length];
                for (int i = 0; i < channels.length; i++) {
                    channelSelection[i] = getBandIndice(channels[i].getChannelName(), sampleDimensions);
                }
            } else {
                channelSelection = null;
            }
        } else {
            channelSelection = null;
        }
    } else {
        channelSelection = null;
    }
    return channelSelection;
}

Example 2 with ChannelSelection

use of org.opengis.style.ChannelSelection 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);
}

Example 3 with ChannelSelection

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

the class XMLUtilitiesTest 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);
}

Example 4 with ChannelSelection

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

the class Styles method colorCategorizeRaster.

public static MutableStyle colorCategorizeRaster() {
    final Map<Expression, Expression> values = new HashMap<>();
    values.put(StyleConstants.CATEGORIZE_LESS_INFINITY, SF.literal(new Color(46, 154, 88)));
    values.put(FF.literal(1003), SF.literal(new Color(46, 154, 88)));
    values.put(FF.literal(1800), SF.literal(new Color(251, 255, 128)));
    values.put(FF.literal(2800), SF.literal(new Color(224, 108, 31)));
    values.put(FF.literal(3500), SF.literal(new Color(200, 55, 55)));
    values.put(FF.literal(4397), SF.literal(new Color(215, 244, 244)));
    final Expression lookup = DEFAULT_CATEGORIZE_LOOKUP;
    final Literal fallback = DEFAULT_FALLBACK;
    final Expression function = SF.categorizeFunction(lookup, values, ThreshholdsBelongTo.SUCCEEDING, fallback);
    final ChannelSelection selection = null;
    final Expression opacity = LITERAL_ONE_FLOAT;
    final OverlapBehavior overlap = OverlapBehavior.LATEST_ON_TOP;
    final ColorMap colorMap = SF.colorMap(function);
    final ContrastEnhancement enchance = SF.contrastEnhancement(LITERAL_ONE_FLOAT, ContrastMethod.NONE);
    final ShadedRelief relief = SF.shadedRelief(LITERAL_ONE_FLOAT);
    final Symbolizer outline = null;
    final Unit uom = Units.POINT;
    final String geom = DEFAULT_GEOM;
    final String name = "raster symbol name";
    final Description desc = DEFAULT_DESCRIPTION;
    final RasterSymbolizer symbol = SF.rasterSymbolizer(name, geom, desc, uom, opacity, selection, overlap, colorMap, enchance, relief, outline);
    return SF.style(symbol);
}

Example 5 with ChannelSelection

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

the class Styles method colorInterpolationRaster.

public static MutableStyle colorInterpolationRaster() {
    final List<InterpolationPoint> values = new ArrayList<>();
    values.add(SF.interpolationPoint(1003, SF.literal(new Color(46, 154, 88))));
    values.add(SF.interpolationPoint(1800, SF.literal(new Color(251, 255, 128))));
    values.add(SF.interpolationPoint(2800, SF.literal(new Color(224, 108, 31))));
    values.add(SF.interpolationPoint(3500, SF.literal(new Color(200, 55, 55))));
    values.add(SF.interpolationPoint(4397, SF.literal(new Color(215, 244, 244))));
    final Expression lookup = DEFAULT_CATEGORIZE_LOOKUP;
    final Literal fallback = DEFAULT_FALLBACK;
    final Expression function = SF.interpolateFunction(lookup, values, Method.COLOR, Mode.LINEAR, fallback);
    final ChannelSelection selection = null;
    final Expression opacity = LITERAL_ONE_FLOAT;
    final OverlapBehavior overlap = OverlapBehavior.LATEST_ON_TOP;
    final ColorMap colorMap = SF.colorMap(function);
    final ContrastEnhancement enchance = SF.contrastEnhancement(LITERAL_ONE_FLOAT, ContrastMethod.NONE);
    final ShadedRelief relief = SF.shadedRelief(LITERAL_ONE_FLOAT);
    final Symbolizer outline = null;
    final Unit uom = Units.POINT;
    final String geom = DEFAULT_GEOM;
    final String name = "raster symbol name";
    final Description desc = DEFAULT_DESCRIPTION;
    final RasterSymbolizer symbol = SF.rasterSymbolizer(name, geom, desc, uom, opacity, selection, overlap, colorMap, enchance, relief, outline);
    return SF.style(symbol);
}