Examples of org.geotools.util.NumberRange

org.geotools.util.NumberRange
A range of numbers. {@linkplain #union Union} and {@linkplain #intersect intersection}are computed as usual, except that widening conversions will be applied as needed. @since 2.0 @source $URL$ @version $Id$ @author Martin Desruisseaux (IRD)


    /**
     * Returns the expected range of values for the resulting image.
     */
    protected NumberRange deriveRange(final NumberRange[] ranges, final Parameters parameters) {
        final NumberRange range = ranges[0];
        final double min = Math.log(range.getMinimum());
        final double max = Math.log(range.getMaximum());
        return NumberRange.create(min, max);
    }

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     */
    protected NumberRange deriveRange(final NumberRange[] ranges, final Parameters parameters) {
        final double[] constants = (double[]) parameters.parameters.getObjectParameter("constants");
        if (constants.length == 1) {
            final double c = constants[0];
            final NumberRange range = ranges[0];
            final double min = range.getMinimum() * c;
            final double max = range.getMaximum() * c;
            return (max<min) ? NumberRange.create(max, min) : NumberRange.create(min, max);
        }
        return super.deriveRange(ranges, parameters);
    }

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    /**
     * Returns the expected range of values for the resulting image.
     */
    protected NumberRange deriveRange(final NumberRange[] ranges, final Parameters parameters) {
        final NumberRange range = ranges[0];
        final double min = Math.abs(range.getMinimum());
        final double max = Math.abs(range.getMaximum());
        return (max<min) ? NumberRange.create(max, min) : NumberRange.create(min, max);
    }

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     */
    protected NumberRange deriveRange(final NumberRange[] ranges, final Parameters parameters) {
        final double[] constants = (double[]) parameters.parameters.getObjectParameter("constants");
        if (constants.length == 1) {
            final double c = constants[0];
            final NumberRange range = ranges[0];
            final double min = range.getMinimum() - c;
            final double max = range.getMaximum() - c;
            return NumberRange.create(min, max);
        }
        return super.deriveRange(ranges, parameters);
    }

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                    // scale denominators)
                }


                // REVISIT: once scaleDemominator can actualy be determined
                // re-evaluate sensible ranges for GE
                NumberRange scaleRange = new NumberRange(scaleDenominator,
                        scaleDenominator);
                SimpleFeatureIterator reader = features.features();


                while (true) {
                    try {

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            Map map = (Map) x.next();
            CoverageDimensionInfo cd = factory.createCoverageDimension();
            cd.setName((String)map.get("name"));
            cd.setDescription((String)map.get("description"));
            cd.setRange(
               new NumberRange((Double)map.get("min"),(Double)map.get("max"))
            );
            coverage.getDimensions().add( cd );
        }
        
        coverage.setNativeFormat(cInfoReader.nativeFormat());

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            start("wcs:Field");
            List<CoverageDimensionInfo> dimensions = ci.getDimensions();
            element("wcs:Identifier", "contents");
            // the output domain of the field
            start("wcs:Definition");
            NumberRange range = getCoverageRange(dimensions);
            if (range == null || range.isEmpty()) {
                element("wcs:AnyValue", "");
            } else {
                start("ows:AllowedValues");
                start("ows:Range");
                element("ows:MinimumValue", Double.toString(range.getMinimum()));
                element("ows:MaximumValue", Double.toString(range.getMaximum()));
                end("ows:Range");
                end("ows:AllowedValues");
            }
            end("wcs:Definition");
            handleNullValues(dimensions);

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         * 
         * @param dimensions
         * @return
         */
        private NumberRange getCoverageRange(List<CoverageDimensionInfo> dimensions) {
            NumberRange range = null;
            for (CoverageDimensionInfo dimension : dimensions) {
              if (dimension.getRange() == null)
                    return null;
                else if (range == null)
                    range = dimension.getRange();
                else
                    range.union(dimension.getRange());
      }
            return range;
        }

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        }
        
        @Override
        public void marshal(Object original, HierarchicalStreamWriter writer,
                MarshallingContext context) {
            NumberRange range = (NumberRange) original;
            
            writer.startNode("min");
            if ( Double.isInfinite( ((Number)range.getMinValue()).doubleValue() ) ) {
                context.convertAnother( "-inf" );
            }
            else {
                context.convertAnother( range.getMinValue() );  
            }
            writer.endNode();
            
            writer.startNode("max");
            if ( Double.isInfinite( ((Number)range.getMaxValue()).doubleValue() )) {
                context.convertAnother( "inf");
            }
            else {
                context.convertAnother( range.getMaxValue() );  
            }
            writer.endNode();
        }

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                List<Range<Double>> novalueRangeList = null;
                if (categories != null) {
                    for (Category category : categories) {
                        String catName = category.getName().toString();
                        if (catName.equalsIgnoreCase("no data")) {
                            NumberRange range = category.getRange();
                            double min = range.getMinimum();
                            double max = category.getRange().getMaximum();
                            if (!Double.isNaN(min) && !Double.isNaN(max)) {
                                // we have to filter those out
                                Range<Double> novalueRange = new Range<Double>(min, true, max, true);
                                novalueRangeList = new ArrayList<Range<Double>>();

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