Examples of net.opengis.wcs11.impl.GetCoverageTypeImpl

net.opengis.wcs11.FieldSubsetType
An implementation of the model object 'Get Coverage Type'.
The following features are implemented:
- {@link net.opengis.wcs11.impl.GetCoverageTypeImpl#getIdentifier Identifier}
- {@link net.opengis.wcs11.impl.GetCoverageTypeImpl#getDomainSubset Domain Subset}
- {@link net.opengis.wcs11.impl.GetCoverageTypeImpl#getRangeSubset Range Subset}
- {@link net.opengis.wcs11.impl.GetCoverageTypeImpl#getOutput Output}
@generated


        public Object visit(ASTRangeSubset node, Object data) {
            RangeSubsetType rs = wcsf.createRangeSubsetType();
            for (int i = 0; i < node.jjtGetNumChildren(); i++) {
                ASTFieldSubset fs = (ASTFieldSubset) node.jjtGetChild(i);
                FieldSubsetType fst = (FieldSubsetType) fs.jjtAccept(this, data);
                rs.getFieldSubset().add(fst);
            }
            return rs;
        }

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            }
            return rs;
        }


        public Object visit(ASTFieldSubset node, Object data) {
            FieldSubsetType fs = wcsf.createFieldSubsetType();
            
            for (int i = 0; i < node.jjtGetNumChildren(); i++) {
                Node child = node.jjtGetChild(i);
                if(child instanceof ASTFieldId) {
                    CodeType id = owsf.createCodeType();
                    id.setValue((String) child.jjtAccept(this, null));
                    fs.setIdentifier(id);
                } else if(child instanceof ASTInterpolation) {
                    fs.setInterpolationType((String) child.jjtAccept(this, null));
                } else if(child instanceof ASTAxisSubset) {
                    fs.getAxisSubset().add(child.jjtAccept(this, null));
                }
            }
            return fs;
        }

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        raw.put("rangeSubset", "BlueMarble:nearest[Bands[Red_band]]");
        GetCoverageType getCoverage = (GetCoverageType) reader.read(reader.createRequest(), parseKvp(raw), raw);
        RangeSubsetType rs = getCoverage.getRangeSubset();
        assertNotNull(rs);
        assertEquals(1, rs.getFieldSubset().size());
        FieldSubsetType field = (FieldSubsetType) rs.getFieldSubset().get(0);
        assertEquals("BlueMarble", field.getIdentifier().getValue());
        assertEquals(1, field.getAxisSubset().size());
        AxisSubsetType axis = (AxisSubsetType) field.getAxisSubset().get(0);
        assertEquals("Bands", axis.getIdentifier());
        List keys = axis.getKey();
        assertEquals(1, keys.size());
        assertEquals("Red_band", keys.get(0));
    }

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            if (request.getRangeSubset() != null) {
                if (request.getRangeSubset().getFieldSubset().size() > 1) {
                    throw new WcsException("Multi field coverages are not supported yet");
                }


                FieldSubsetType field = (FieldSubsetType) request.getRangeSubset().getFieldSubset()
                        .get(0);
                interpolationType = field.getInterpolationType();


                // handle axis subset
                if (field.getAxisSubset().size() > 1) {
                    throw new WcsException("Multi axis coverages are not supported yet");
                }
                if (field.getAxisSubset().size() == 1) {
                    // prepare a support structure to quickly get the band index
                    // of a
                    // key
                    List<CoverageDimensionInfo> dimensions = meta.getDimensions();
                    Map<String, Integer> dimensionMap = new HashMap<String, Integer>();
                    for (int i = 0; i < dimensions.size(); i++) {
                        String keyName = dimensions.get(i).getName().replace(' ', '_');
                        dimensionMap.put(keyName, i);
                    }


                    // extract the band indexes
                    AxisSubsetType axisSubset = (AxisSubsetType) field.getAxisSubset().get(0);
                    List keys = axisSubset.getKey();
                    int[] bands = new int[keys.size()];
                    for (int j = 0; j < bands.length; j++) {
                        final String key = (String) keys.get(j);
                        Integer index = dimensionMap.get(key);
                        if (index == null)
                            throw new WcsException("Unknown field/axis/key combination "
                                    + field.getIdentifier().getValue() + "/"
                                    + axisSubset.getIdentifier() + "/" + key);
                        bands[j] = index;
                    }


                    // finally execute the band select

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            throw new WcsException("Multi field coverages are not supported yet",
                    InvalidParameterValue, "RangeSubset");
        }


        // check field identifier
        FieldSubsetType field = (FieldSubsetType) rangeSubset.getFieldSubset().get(0);
        final String fieldId = field.getIdentifier().getValue();
        if (!fieldId.equalsIgnoreCase("contents"))
            throw new WcsException("Unknown field " + fieldId, InvalidParameterValue, "RangeSubset");


        // check interpolation
        String interpolation = field.getInterpolationType();
        if (interpolation != null) {
            boolean interpolationSupported = false;


            if (interpolation.equalsIgnoreCase("nearest")) {
                interpolation = "nearest neighbor";
            }
            for (Iterator it = info.getInterpolationMethods().iterator(); it.hasNext();) {
                String method = (String) it.next();
                if (interpolation.equalsIgnoreCase(method)) {
                    interpolationSupported = true;
                }
            }


            if (!interpolationSupported)
                throw new WcsException(
                        "The requested Interpolation method is not supported by this Coverage.",
                        InvalidParameterValue, "RangeSubset");
        }


        // check axis
        if (field.getAxisSubset().size() > 1) {
            throw new WcsException("Multi axis coverages are not supported yet",
                    InvalidParameterValue, "RangeSubset");
        } else if (field.getAxisSubset().size() == 0)
            return;


        AxisSubsetType axisSubset = (AxisSubsetType) field.getAxisSubset().get(0);
        final String axisId = axisSubset.getIdentifier();
        if (!axisId.equalsIgnoreCase("Bands"))
            throw new WcsException("Unknown axis " + axisId + " in field " + fieldId,
                    InvalidParameterValue, "RangeSubset");

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    public void testSimpleFields() throws Exception {
        RangeSubsetType rs = (RangeSubsetType) parser.parse("radiance;temperature");
        assertNotNull(rs);
        assertEquals(2, rs.getFieldSubset().size());
        FieldSubsetType field = (FieldSubsetType) rs.getFieldSubset().get(0);
        assertEquals("radiance",field.getIdentifier().getValue());
        assertEquals(null,field.getInterpolationType());
        field = (FieldSubsetType) rs.getFieldSubset().get(1);
        assertEquals("temperature", field.getIdentifier().getValue());
        assertEquals(null, field.getInterpolationType());
    }

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    public void testInterpolation() throws Exception {
        RangeSubsetType rs = (RangeSubsetType) parser.parse("radiance:linear;temperature:nearest");
        assertNotNull(rs);
        assertEquals(2, rs.getFieldSubset().size());
        FieldSubsetType field = (FieldSubsetType) rs.getFieldSubset().get(0);
        assertEquals("radiance",field.getIdentifier().getValue());
        assertEquals("linear",field.getInterpolationType());
        field = (FieldSubsetType) rs.getFieldSubset().get(1);
        assertEquals("temperature", field.getIdentifier().getValue());
        assertEquals("nearest", field.getInterpolationType());
    }

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    public void testAxisSingleKey() throws Exception {
        RangeSubsetType rs = (RangeSubsetType) parser.parse("radiance[bands[Red]]");
        assertNotNull(rs);
        assertEquals(1, rs.getFieldSubset().size());
        FieldSubsetType field = (FieldSubsetType) rs.getFieldSubset().get(0);
        assertEquals("radiance", field.getIdentifier().getValue());
        assertEquals(1, field.getAxisSubset().size());
        AxisSubsetType axis = (AxisSubsetType) field.getAxisSubset().get(0);
        assertEquals("bands", axis.getIdentifier());
        List keys = axis.getKey();
        assertEquals(1, keys.size());
        assertEquals("Red", keys.get(0));
    }

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    public void testAxisKeys() throws Exception {
        RangeSubsetType rs = (RangeSubsetType) parser.parse("radiance[bands[Red,Green,Blue]]");
        assertNotNull(rs);
        assertEquals(1, rs.getFieldSubset().size());
        FieldSubsetType field = (FieldSubsetType) rs.getFieldSubset().get(0);
        assertEquals("radiance", field.getIdentifier().getValue());
        assertEquals(1, field.getAxisSubset().size());
        AxisSubsetType axis = (AxisSubsetType) field.getAxisSubset().get(0);
        assertEquals("bands", axis.getIdentifier());
        List keys = axis.getKey();
        assertEquals(3, keys.size());
        assertEquals("Red", keys.get(0));
        assertEquals("Green", keys.get(1));

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        raw.put("rangeSubset", "BlueMarble:nearest[Bands[Red_band]]");
        GetCoverageType getCoverage = (GetCoverageType) reader.read(reader.createRequest(), parseKvp(raw), raw);
        RangeSubsetType rs = getCoverage.getRangeSubset();
        assertNotNull(rs);
        assertEquals(1, rs.getFieldSubset().size());
        FieldSubsetType field = (FieldSubsetType) rs.getFieldSubset().get(0);
        assertEquals("BlueMarble", field.getIdentifier().getValue());
        assertEquals(1, field.getAxisSubset().size());
        AxisSubsetType axis = (AxisSubsetType) field.getAxisSubset().get(0);
        assertEquals("Bands", axis.getIdentifier());
        List keys = axis.getKey();
        assertEquals(1, keys.size());
        assertEquals("Red_band", keys.get(0));
    }

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Related Classes of net.opengis.wcs11.impl.GetCoverageTypeImpl

net.opengis.ows11.CodeType

net.opengis.ows11.DomainMetadataType

net.opengis.ows11.Ows11Package

net.opengis.ows11.UnNamedDomainType

net.opengis.wcs10.DomainSubsetType

net.opengis.wcs10.InterpolationMethodType

net.opengis.wcs10.OutputType

net.opengis.wcs10.RangeSubsetType

net.opengis.wcs11.AvailableKeysType

net.opengis.wcs11.ContentsType

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