Examples with ContrastEnhancement org.geotools.styling.ContrastEnhancement used on opensource projects

Example 1 with ContrastEnhancement

use of org.geotools.styling.ContrastEnhancement in project sldeditor by robward-scisys.

the class VOGeoServerContrastEnhancementNormalizeBlueTest method createChannelSelection.

/**
 * Creates the channel selection object.
 *
 * @param styleFactory the style factory
 * @param contrastMethod the contrast method
 * @return the channel selection
 */
private ChannelSelection createChannelSelection(StyleFactoryImpl styleFactory, ContrastMethod contrastMethod) {
    ContrastEnhancement contrastEnhancement = (ContrastEnhancement) styleFactory.contrastEnhancement(null, contrastMethod.name());
    FilterFactory ff = CommonFactoryFinder.getFilterFactory();
    Map<String, Expression> options = contrastEnhancement.getOptions();
    options.put("algorithm", ff.literal("StretchToMinimumMaximum"));
    options.put("minValue", ff.literal("1"));
    options.put("maxValue", ff.literal("5"));
    SelectedChannelType channelType = styleFactory.createSelectedChannelType("channel name", contrastEnhancement);
    SelectedChannelType[] channels = new SelectedChannelType[3];
    channels[0] = channelType;
    channels[1] = channelType;
    channels[2] = channelType;
    ChannelSelection channelSelection = styleFactory.createChannelSelection(channels);
    return channelSelection;
}

Example 2 with ContrastEnhancement

use of org.geotools.styling.ContrastEnhancement in project sldeditor by robward-scisys.

the class RasterSymbolizerDetailsTest method testRasterSymbolizerDetailsColourChannel.

/**
 * Test method for {@link com.sldeditor.ui.detail.RasterSymbolizerDetails#RasterSymbolizerDetails(com.sldeditor.filter.v2.function.FunctionNameInterface)}.
 * Test method for {@link com.sldeditor.ui.detail.RasterSymbolizerDetails#isDataPresent()}.
 * Test method for {@link com.sldeditor.ui.detail.RasterSymbolizerDetails#populate(com.sldeditor.common.data.SelectedSymbol)}.
 * Test method for {@link com.sldeditor.ui.detail.RasterSymbolizerDetails#dataChanged(com.sldeditor.ui.detail.config.FieldId)}.
 * Test method for {@link com.sldeditor.ui.detail.RasterSymbolizerDetails#getFieldDataManager()}.
 * Test method for {@link com.sldeditor.ui.detail.RasterSymbolizerDetails#preLoadSymbol()}.
 */
@Test
public void testRasterSymbolizerDetailsColourChannel() {
    RasterSymbolizerDetails panel = new RasterSymbolizerDetails();
    panel.populate(null);
    // Set up test data
    StyledLayerDescriptor sld = DefaultSymbols.createNewSLD();
    SelectedSymbol.getInstance().createNewSLD(sld);
    NamedLayer namedLayer = DefaultSymbols.createNewNamedLayer();
    String expectedNameLayerValue = "named layer test value";
    namedLayer.setName(expectedNameLayerValue);
    Style style = DefaultSymbols.createNewStyle();
    String expectedNameStyleValue = "style test value";
    style.setName(expectedNameStyleValue);
    namedLayer.addStyle(style);
    FeatureTypeStyle fts = DefaultSymbols.createNewFeatureTypeStyle();
    String expectedNameFTSValue = "feature type style test value";
    fts.setName(expectedNameFTSValue);
    style.featureTypeStyles().add(fts);
    Rule rule = DefaultSymbols.createNewRule();
    String expectedRuleValue = "rule test value";
    rule.setName(expectedRuleValue);
    StyleFactoryImpl styleFactory = (StyleFactoryImpl) CommonFactoryFinder.getStyleFactory();
    FilterFactory ff = CommonFactoryFinder.getFilterFactory();
    ContrastEnhancement contrastEnhancement = (ContrastEnhancement) styleFactory.contrastEnhancement(ff.literal(.5), "ramp");
    SelectedChannelType redChannel = styleFactory.createSelectedChannelType("red", contrastEnhancement);
    SelectedChannelType greenChannel = styleFactory.createSelectedChannelType("green", contrastEnhancement);
    SelectedChannelType blueChannel = styleFactory.createSelectedChannelType("blue", contrastEnhancement);
    SelectedChannelType[] channels = new SelectedChannelType[3];
    channels[0] = redChannel;
    channels[1] = greenChannel;
    channels[2] = blueChannel;
    RasterSymbolizer symbolizer = DefaultSymbols.createDefaultRasterSymbolizer();
    symbolizer.setChannelSelection(styleFactory.createChannelSelection(channels));
    String expectedNameValue = "symbolizer test value";
    symbolizer.setName(expectedNameValue);
    rule.symbolizers().add(symbolizer);
    fts.rules().add(rule);
    sld.layers().add(namedLayer);
    SelectedSymbol.getInstance().addNewStyledLayer(namedLayer);
    SelectedSymbol.getInstance().setStyledLayer(namedLayer);
    SelectedSymbol.getInstance().setStyle(style);
    SelectedSymbol.getInstance().setFeatureTypeStyle(fts);
    SelectedSymbol.getInstance().setRule(rule);
    SelectedSymbol.getInstance().setSymbolizer(symbolizer);
    panel.populate(SelectedSymbol.getInstance());
    GraphicPanelFieldManager fieldDataManager = panel.getFieldDataManager();
    assertNotNull(fieldDataManager);
    panel.dataChanged(null);
    FieldConfigString nameField = (FieldConfigString) fieldDataManager.get(FieldIdEnum.NAME);
    assertNull(nameField);
    assertTrue(panel.isDataPresent());
    // Reset to default value
    panel.preLoadSymbol();
}

Example 3 with ContrastEnhancement

use of org.geotools.styling.ContrastEnhancement in project sldeditor by robward-scisys.

the class VOGeoServerContrastEnhancementNormalizeGreyTest method createChannelSelection.

/**
 * Creates the channel selection object.
 *
 * @param styleFactory the style factory
 * @param contrastMethod the contrast method
 * @return the channel selection
 */
private ChannelSelection createChannelSelection(StyleFactoryImpl styleFactory, ContrastMethod contrastMethod) {
    ContrastEnhancement contrastEnhancement = (ContrastEnhancement) styleFactory.contrastEnhancement(null, contrastMethod.name());
    FilterFactory ff = CommonFactoryFinder.getFilterFactory();
    Map<String, Expression> options = contrastEnhancement.getOptions();
    options.put("algorithm", ff.literal("StretchToMinimumMaximum"));
    options.put("minValue", ff.literal("1"));
    options.put("maxValue", ff.literal("5"));
    SelectedChannelType channelType = styleFactory.createSelectedChannelType("channel name", contrastEnhancement);
    SelectedChannelType[] channels = new SelectedChannelType[3];
    channels[0] = channelType;
    channels[1] = channelType;
    channels[2] = channelType;
    ChannelSelection channelSelection = styleFactory.createChannelSelection(channels);
    return channelSelection;
}

Example 4 with ContrastEnhancement

use of org.geotools.styling.ContrastEnhancement in project sldeditor by robward-scisys.

the class VOGeoServerContrastEnhancementNormalizeRedTest method createChannelSelectionError.

/**
 * Creates the channel selection error object.
 *
 * @param styleFactory the style factory
 * @param contrastMethod the contrast method
 * @return the channel selection
 */
private ChannelSelection createChannelSelectionError(StyleFactoryImpl styleFactory, ContrastMethod contrastMethod) {
    ContrastEnhancement contrastEnhancement = (ContrastEnhancement) styleFactory.contrastEnhancement(null, contrastMethod.name());
    FilterFactory ff = CommonFactoryFinder.getFilterFactory();
    Map<String, Expression> options = contrastEnhancement.getOptions();
    options.put("algorithm", ff.literal("TestStretchToMinimumMaximum"));
    options.put("minValue", ff.literal("1.0"));
    options.put("maxValue", ff.literal("5.0"));
    SelectedChannelType channelType = styleFactory.createSelectedChannelType("channel name", contrastEnhancement);
    SelectedChannelType[] channels = new SelectedChannelType[3];
    channels[0] = channelType;
    channels[1] = channelType;
    channels[2] = channelType;
    ChannelSelection channelSelection = styleFactory.createChannelSelection(channels);
    return channelSelection;
}

Example 5 with ContrastEnhancement

use of org.geotools.styling.ContrastEnhancement in project sldeditor by robward-scisys.

the class RasterReader method createRGBChannelSymbol.

/**
 * Creates the RGB channel symbol.
 *
 * @param sym the sym
 * @param cov the cov
 * @param numBands the num bands
 */
private void createRGBChannelSymbol(RasterSymbolizer sym, GridCoverage2D cov, int numBands) {
    // Get the names of the bands
    String[] sampleDimensionNames = new String[numBands];
    for (int i = 0; i < numBands; i++) {
        GridSampleDimension dim = cov.getSampleDimension(i);
        sampleDimensionNames[i] = dim.getDescription().toString();
    }
    final int RED = 0;
    final int GREEN = 1;
    final int BLUE = 2;
    int[] channelNum = { -1, -1, -1 };
    // Note that the channel numbers we record are indexed from 1, not 0.
    for (int i = 0; i < numBands; i++) {
        String name = sampleDimensionNames[i].toLowerCase();
        if (name != null) {
            if (name.matches("red.*")) {
                channelNum[RED] = i + 1;
            } else if (name.matches("green.*")) {
                channelNum[GREEN] = i + 1;
            } else if (name.matches("blue.*")) {
                channelNum[BLUE] = i + 1;
            }
        }
    }
    // we fall back to using the first three bands in order
    if (channelNum[RED] < 0 || channelNum[GREEN] < 0 || channelNum[BLUE] < 0) {
        channelNum[RED] = 1;
        channelNum[GREEN] = 2;
        channelNum[BLUE] = 3;
    }
    // Now we create a RasterSymbolizer using the selected channels
    SelectedChannelType[] sct = new SelectedChannelType[cov.getNumSampleDimensions()];
    ContrastEnhancement ce = sf.contrastEnhancement(ff.literal(1.0), ContrastMethod.NORMALIZE);
    for (int i = 0; i < 3; i++) {
        sct[i] = sf.createSelectedChannelType(String.valueOf(channelNum[i]), ce);
    }
    ChannelSelection sel = sf.channelSelection(sct[RED], sct[GREEN], sct[BLUE]);
    sym.setChannelSelection(sel);
}