Package org.opengis.coverage

Examples of org.opengis.coverage.SampleDimension

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     * {@linkplain SampleDimension#getSampleToGeophysics sample to geophysics} transform
     * which is not the identity transform.
     */
    public static boolean hasTransform(final SampleDimension[] sampleDimensions) {
        for (int i=sampleDimensions.length; --i>=0;) {
            SampleDimension sd = sampleDimensions[i];
            if (sd instanceof GridSampleDimension) {
                sd = ((GridSampleDimension) sd).geophysics(false);
            }
            MathTransform1D tr = sd.getSampleToGeophysics();
            if (tr!=null && !tr.isIdentity()) {
                return true;
            }
        }
        return false;
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    @Override
    public RangeType describe(GridCoverage2D coverage) {
      final GridSampleDimension[] sampleDimensions = coverage.getSampleDimensions();
      HashSet<SampleDimension> samples = new HashSet<SampleDimension>(Arrays.asList(sampleDimensions));
     
      SampleDimension sample = sampleDimensions[0];
     
      Name name = new NameImpl("DEM");
      InternationalString description = sample.getDescription();
      Unit<?> unit = Unit.ONE;
      final List<Axis<?,?>> axes = new ArrayList<Axis<?,?>>();
      axes.add( HSV.INTENSITY_AXIS );
      FieldType field = new DefaultFieldType( name, description, unit, axes, samples);     
     
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            return;
        }
        if (title == null || (title = title.trim()).length() == 0) {
            final StringBuilder buffer = new StringBuilder(String.valueOf(getName()));
            final int visibleBandIndex = CoverageUtilities.getVisibleBand(this);
            final SampleDimension visibleBand = getSampleDimension(visibleBandIndex);
            final Unit<?> unit = visibleBand.getUnits();
            buffer.append(" - ").append(String.valueOf(visibleBand.getDescription()));
            if (unit != null) {
                buffer.append(" (").append(unit).append(')');
            }
            title = buffer.toString();
        }
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        final double noData2 = -32767d;
        nullValues.add(noData1);
        nullValues.add(noData2);
        coverageDim.setNullValues(nullValues);

        final SampleDimension wrappedDim = new WrappedSampleDimension(sampleDim, coverageDim);
        double[] noData = wrappedDim.getNoDataValues();

        assertEquals(2, noData.length);
        assertEquals(noData1, noData[0], DELTA);
        assertEquals(noData2, noData[1], DELTA);

        NumberRange wrappedRange = ((WrappedSampleDimension)wrappedDim).getRange();
        assertEquals(newMinimum, wrappedRange.getMinimum(), DELTA);
        assertEquals(newMaximum, wrappedRange.getMaximum(), DELTA);

        assertEquals(wrappedName, wrappedDim.getDescription().toString());
    }
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        final CoverageDimensionImpl coverageDim = new CoverageDimensionImpl();
        final String wrappedName = "wrapped";
        coverageDim.setName(wrappedName);
        coverageDim.setDimensionType(SampleDimensionType.REAL_64BITS);
        // Creation of the WrappedSampleDimension
        SampleDimension wrappedDim = new WrappedSampleDimension(sampleDim, coverageDim);
        // Get the range
        NumberRange<? extends Number> wrappedRange = ((WrappedSampleDimension) wrappedDim)
                .getRange();
        // Ensure the range is not present
        assertNull(wrappedRange);
        // Check if min and max are taken from the categories
        assertEquals(-9999, wrappedDim.getMinimumValue(), DELTA);
        assertEquals(1000, wrappedDim.getMaximumValue(), DELTA);
        // Check that the description is equal to the sample dimension name
        assertEquals(wrappedName, wrappedDim.getDescription().toString());

        // Configure a new GridSampleDimension without categories
        sampleDim = new GridSampleDimension("original", null, new BaseUnit<Quantity>("test"));
        // New wrapped sample dimension
        wrappedDim = new WrappedSampleDimension(sampleDim, coverageDim);
        // Get the range
        wrappedRange = ((WrappedSampleDimension) wrappedDim).getRange();
        // Ensure the range is not present
        assertNull(wrappedRange);
        // Check if min and max are taken from the categories
        assertEquals(Double.NEGATIVE_INFINITY, wrappedDim.getMinimumValue(), DELTA);
        assertEquals(Double.POSITIVE_INFINITY, wrappedDim.getMaximumValue(), DELTA);
    }
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Related Classes of org.opengis.coverage.SampleDimension

  • org.geoserver.catalog.CoverageDimensionCustomizerReaderTest
  • org.geotools.coverage.grid.GridCoverage2D
  • org.geotools.coverage.io.geotiff.GeoTiffAccess$DEMPolicy
  • org.geotools.resources.coverage.CoverageUtilities
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