Examples of org.geotools.coverage.io.range.FieldType

org.geotools.coverage.io.range.FieldType
A {@link net.opengis.wcs11.FieldType} describes ameasure/observation/forecast of a certain quantity. A {@link FieldType} maybe a scalar (numeric or text) value, such as population density, or a vector of many similar values, such as incomes by race, or radiance by wavelength.
A {@link FieldType} has an associated quantity from the JScience projectsince the goal of a {@link FieldType} is to describe a {@link Quantity}. Note that I am referring to quantity in the broader term here. As an instance a {@link FieldType} could describe the bands of a synthetic RGB image. Now,there might not be a real physical quantity (like Temperature or Pressure) associated to such a quantity, but still we want to be able to capture somehow the concept of digital number as the represented quantity as well as the concept of the bands index or textual representation for the bands.
Note that in our proposal a {@link FieldType} shall always contain at leastone {@link Axis}. @author Simone Giannecchini, GeoSolutions @source $URL$

        Set<SampleDimension> sampleDims = null;
        for (FieldType fieldType : fieldTypes) {
            final Name name = fieldType.getName();
            sampleDims = fieldType.getSampleDimensions();
            if (rangeType != null) {
                final FieldType ft = rangeType.getFieldType(name.getLocalPart());
                if (ft != null)
                    sampleDims = ft.getSampleDimensions();
            }
        }
        final GridSampleDimension[] sampleDimensions = sampleDims
                .toArray(new GridSampleDimension[sampleDims.size()]);

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        InternationalString desc = null;
        if (description != null && !description.isEmpty()) {
            desc = new SimpleInternationalString(description);
        }
        final FieldType fieldType = new DefaultFieldType(new NameImpl(getName()), desc, sampleDims);
        sb.append(description != null ? description.toString() + "," : "");
        final RangeType range = new DefaultRangeType(getName(), description, fieldType);
        this.setRangeType(range);
    }

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        Set<SampleDimension> sampleDims = new HashSet<SampleDimension>();
        GridSampleDimension sampleDim = new GridSampleDimension("test");
        sampleDims.add(sampleDim);
        NameImpl name = new NameImpl("test");
        SimpleInternationalString description = new SimpleInternationalString("test");
        FieldType fieldType = new DefaultFieldType(name, description, sampleDims);
        
        // Getting the input data and checking if they are equals
        assertSame(name, fieldType.getName());
        assertSame(description, fieldType.getDescription());
        assertTrue(fieldType.getSampleDimensions().contains(sampleDim));
        
        // Creation of a RangeType
        RangeType rangeType = new DefaultRangeType("test", "test", fieldType);
        
        assertTrue(rangeType.getName().equals(name));
        assertTrue(description.compareTo(rangeType.getDescription()) == 0);
        assertEquals(1, rangeType.getNumFieldTypes());
        assertSame(fieldType, rangeType.getFieldType("test"));
        
        Set<Name> names = rangeType.getFieldTypeNames();
        assertNotNull(names);
        assertTrue(names.size() == 1);
        assertTrue(names.contains(name));
        
        Set<FieldType> fieldTypes = rangeType.getFieldTypes();
        assertNotNull(fieldTypes);
        assertTrue(fieldTypes.size() == 1);
        assertTrue(fieldTypes.contains(fieldType));
        assertTrue(rangeType.toString().contains(fieldType.toString()));
    }

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                  // Setting up a limited range for the request.
                  //
                  // //
                  Iterator<FieldType> ftIterator = range.getFieldTypes().iterator();
                  HashSet<FieldType> fieldSet = new HashSet<FieldType>();
                  FieldType ft = null;
                  while (ftIterator.hasNext()) {
                      ft = ftIterator.next();
                      if (ft != null) {
                          fieldSet.add(ft);
                      }

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      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);      
      
      Set<FieldType> fields = Collections.singleton( field );
      DefaultRangeType range = new DefaultRangeType( name, description, fields );
      
      return range;

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      final GridSampleDimension[] sampleDimensions = coverage.getSampleDimensions();
      final HashSet<SampleDimension> samples = new HashSet<SampleDimension>(Arrays.asList(sampleDimensions));
      final DimensionlessAxis axis=DimensionlessAxis.createFromRenderedImage(coverage.getRenderedImage());
      final List<Axis<?,?>> axes= new ArrayList<Axis<?,?>>();
      axes.add(axis);
      final FieldType field = new DefaultFieldType( new NameImpl("photometric-FieldType"), new SimpleInternationalString("Photometric image field"), Dimensionless.UNIT,axes, samples);
      final DefaultRangeType range = new DefaultRangeType(  new NameImpl("photometric-RangeType"),  new SimpleInternationalString("Photometric range field"), Collections.singleton(field) );  
      return range;
    }

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      final GridSampleDimension[] sampleDimensions = coverage.getSampleDimensions();
      final HashSet<SampleDimension> samples = new HashSet<SampleDimension>(Arrays.asList(sampleDimensions));
      final WavelengthAxis<Double> axis=WavelengthAxis.RGB;
      final List<Axis<?,?>> axes= new ArrayList<Axis<?,?>>();
      axes.add(axis);
      final FieldType field = new DefaultFieldType( new NameImpl("RGB-FiledType"), new SimpleInternationalString("RGB image field"), Dimensionless.UNIT,axes, samples);
      final DefaultRangeType range = new DefaultRangeType(  new NameImpl("RGB-RangeType"),  new SimpleInternationalString("RGB range field"), Collections.singleton(field) );  
      return range;
    }

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            // TODO: Fix this leveraging on the proper Band
            Set<SampleDimension> sampleDims = fieldType.getSampleDimensions();
            if (sampleDims == null || sampleDims.isEmpty()) {
                final RangeType innerRange = access.rangeMap.get(this.name);
                if (innerRange != null) {
                    final FieldType ft = innerRange.getFieldType(name.getLocalPart());
                    if (ft != null)
                        sampleDims = ft.getSampleDimensions();
                }


            }


            final GridSampleDimension[] sampleDimensions = sampleDims.toArray(new GridSampleDimension[sampleDims.size()]);

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