/// <summary> /// This method produces instances of type <see cref="Gisoft.GeoAPI.Geometries.IMultiLineString"/>. /// </summary> /// <returns>The created geometries</returns> internal override Collection <IGeometry> createGeometries() { IPathNode multiLineStringNode = new PathNode(_GMLNS, "MultiLineString", (NameTable)_XmlReader.NameTable); IPathNode multiCurveNode = new PathNode(_GMLNS, "MultiCurve", (NameTable)_XmlReader.NameTable); IPathNode multiLineStringNodeAlt = new AlternativePathNodesCollection(multiLineStringNode, multiCurveNode); IPathNode lineStringMemberNode = new PathNode(_GMLNS, "lineStringMember", (NameTable)_XmlReader.NameTable); IPathNode curveMemberNode = new PathNode(_GMLNS, "curveMember", (NameTable)_XmlReader.NameTable); IPathNode lineStringMemberNodeAlt = new AlternativePathNodesCollection(lineStringMemberNode, curveMemberNode); var labelValues = new Dictionary <string, string>(); bool geomFound = false; try { // Reading the entire feature's node makes it possible to collect label values that may appear before or after the geometry property while ((_FeatureReader = GetSubReaderOf(_XmlReader, null, _FeatureNode)) != null) { while ( (_GeomReader = GetSubReaderOf(_FeatureReader, labelValues, multiLineStringNodeAlt, lineStringMemberNodeAlt)) != null) { GeometryFactory geomFactory = new LineStringFactory(_GeomReader, _FeatureTypeInfo) { AxisOrder = AxisOrder }; Collection <IGeometry> lineStrings = geomFactory.createGeometries(); var lineStringArray = new ILineString[lineStrings.Count]; var i = 0; foreach (ILineString lineString in lineStrings) { lineStringArray[i++] = lineString; } _Geoms.Add(Factory.CreateMultiLineString(lineStringArray)); geomFound = true; } if (geomFound) { AddLabel(labelValues, _Geoms[_Geoms.Count - 1]); } geomFound = false; } } catch (Exception ex) { Trace.TraceError("An exception occured while parsing a multi-lineString geometry: " + ex.Message); throw ex; } return(_Geoms); }
/// <summary> /// This method initializes path nodes needed by the derived classes. /// </summary> private void initializePathNodes() { IPathNode coordinatesNode = new PathNode("http://www.opengis.net/gml", "coordinates", (NameTable)_XmlReader.NameTable); IPathNode posListNode = new PathNode("http://www.opengis.net/gml", "posList", (NameTable)_XmlReader.NameTable); IPathNode posNode = new PathNode("http://www.opengis.net/gml", "pos", (NameTable)_XmlReader.NameTable); IPathNode ogcServiceExceptionNode = new PathNode("http://www.opengis.net/ogc", "ServiceException", (NameTable)_XmlReader.NameTable); IPathNode serviceExceptionNode = new PathNode("", "ServiceException", (NameTable)_XmlReader.NameTable); //ServiceExceptions without ogc prefix are returned by deegree. PDD. IPathNode exceptionTextNode = new PathNode("http://www.opengis.net/ows", "ExceptionText", (NameTable)_XmlReader.NameTable); _CoordinatesNode = new AlternativePathNodesCollection(coordinatesNode, posListNode, posNode); _ServiceExceptionNode = new AlternativePathNodesCollection(ogcServiceExceptionNode, exceptionTextNode, serviceExceptionNode); _FeatureNode = new PathNode(_FeatureTypeInfo.FeatureTypeNamespace, _FeatureTypeInfo.Name, (NameTable)_XmlReader.NameTable); }
/// <summary> /// This method produces instances of type <see cref="Gisoft.GeoAPI.Geometries.IMultiPolygon"/>. /// </summary> /// <returns>The created geometries</returns> internal override Collection <IGeometry> createGeometries() { //IMultiPolygon multiPolygon = null; IPathNode multiPolygonNode = new PathNode(_GMLNS, "MultiPolygon", (NameTable)_XmlReader.NameTable); IPathNode multiSurfaceNode = new PathNode(_GMLNS, "MultiSurface", (NameTable)_XmlReader.NameTable); IPathNode multiPolygonNodeAlt = new AlternativePathNodesCollection(multiPolygonNode, multiSurfaceNode); IPathNode polygonMemberNode = new PathNode(_GMLNS, "polygonMember", (NameTable)_XmlReader.NameTable); IPathNode surfaceMemberNode = new PathNode(_GMLNS, "surfaceMember", (NameTable)_XmlReader.NameTable); IPathNode polygonMemberNodeAlt = new AlternativePathNodesCollection(polygonMemberNode, surfaceMemberNode); IPathNode linearRingNode = new PathNode(_GMLNS, "LinearRing", (NameTable)_XmlReader.NameTable); var labelValues = new Dictionary <string, string>(); bool geomFound = false; try { // Reading the entire feature's node makes it possible to collect label values that may appear before or after the geometry property while ((_FeatureReader = GetSubReaderOf(_XmlReader, null, _FeatureNode)) != null) { while ( (_GeomReader = GetSubReaderOf(_FeatureReader, labelValues, multiPolygonNodeAlt)) != null) { XmlReader memberReader; var polygons = new List <IGeometry>(); while ((memberReader = GetSubReaderOf(_GeomReader, labelValues, polygonMemberNodeAlt)) != null) { GeometryFactory geomFactory = new PolygonFactory(memberReader, _FeatureTypeInfo) { AxisOrder = AxisOrder }; var polygon = geomFactory.createGeometries()[0]; // polygon element has a maxOccurs=1 polygons.Add(polygon); geomFound = true; } if (geomFound) { var polygonArray = new IPolygon[polygons.Count]; var i = 0; foreach (IPolygon polygon in polygons) { polygonArray[i++] = polygon; } _Geoms.Add(Factory.CreateMultiPolygon(polygonArray)); } } if (geomFound) { AddLabel(labelValues, _Geoms[_Geoms.Count - 1]); } geomFound = false; } } catch (Exception ex) { Trace.TraceError("An exception occured while parsing a multi-polygon geometry: " + ex.Message); throw ex; } return(_Geoms); }
/// <summary> /// This method produces instances of type <see cref="Gisoft.GeoAPI.Geometries.IPolygon"/>. /// </summary> /// <returns>The created geometries</returns> internal override Collection <IGeometry> createGeometries() { XmlReader outerBoundaryReader = null; XmlReader innerBoundariesReader = null; IPathNode polygonNode = new PathNode(_GMLNS, "Polygon", (NameTable)_XmlReader.NameTable); IPathNode outerBoundaryNode = new PathNode(_GMLNS, "outerBoundaryIs", (NameTable)_XmlReader.NameTable); IPathNode exteriorNode = new PathNode(_GMLNS, "exterior", (NameTable)_XmlReader.NameTable); IPathNode outerBoundaryNodeAlt = new AlternativePathNodesCollection(outerBoundaryNode, exteriorNode); IPathNode innerBoundaryNode = new PathNode(_GMLNS, "innerBoundaryIs", (NameTable)_XmlReader.NameTable); IPathNode interiorNode = new PathNode(_GMLNS, "interior", (NameTable)_XmlReader.NameTable); IPathNode innerBoundaryNodeAlt = new AlternativePathNodesCollection(innerBoundaryNode, interiorNode); IPathNode linearRingNode = new PathNode(_GMLNS, "LinearRing", (NameTable)_XmlReader.NameTable); var labelValues = new Dictionary <string, string>(); bool geomFound = false; try { // Reading the entire feature's node makes it possible to collect label values that may appear before or after the geometry property while ((_FeatureReader = GetSubReaderOf(_XmlReader, null, _FeatureNode)) != null) { ILinearRing shell = null; var holes = new List <ILinearRing>(); while ((_GeomReader = GetSubReaderOf(_FeatureReader, labelValues, polygonNode)) != null) { //polygon = new Polygon(); if ( (outerBoundaryReader = GetSubReaderOf(_GeomReader, null, outerBoundaryNodeAlt, linearRingNode, _CoordinatesNode)) != null) { shell = Factory.CreateLinearRing(ParseCoordinates(outerBoundaryReader)); } while ( (innerBoundariesReader = GetSubReaderOf(_GeomReader, null, innerBoundaryNodeAlt, linearRingNode, _CoordinatesNode)) != null) { holes.Add(Factory.CreateLinearRing(ParseCoordinates(innerBoundariesReader))); } _Geoms.Add(Factory.CreatePolygon(shell, holes.ToArray())); geomFound = true; } if (geomFound) { AddLabel(labelValues, _Geoms[_Geoms.Count - 1]); } geomFound = false; } } catch (Exception ex) { Trace.TraceError("An exception occured while parsing a polygon geometry: " + ex.Message); throw ex; } return(_Geoms); }
/// <summary> /// This method detects the geometry type from 'GetFeature' response and uses a geometry factory to create the /// appropriate geometries. /// </summary> /// <returns></returns> internal override Collection <IGeometry> createGeometries() { GeometryFactory geomFactory = null; string geometryTypeString = string.Empty; string serviceException = null; if (_QuickGeometries) { _MultiGeometries = false; } IPathNode pointNode = new PathNode(_GMLNS, "Point", (NameTable)_XmlReader.NameTable); IPathNode lineStringNode = new PathNode(_GMLNS, "LineString", (NameTable)_XmlReader.NameTable); IPathNode polygonNode = new PathNode(_GMLNS, "Polygon", (NameTable)_XmlReader.NameTable); IPathNode multiPointNode = new PathNode(_GMLNS, "MultiPoint", (NameTable)_XmlReader.NameTable); IPathNode multiLineStringNode = new PathNode(_GMLNS, "MultiLineString", (NameTable)_XmlReader.NameTable); IPathNode multiCurveNode = new PathNode(_GMLNS, "MultiCurve", (NameTable)_XmlReader.NameTable); IPathNode multiLineStringNodeAlt = new AlternativePathNodesCollection(multiLineStringNode, multiCurveNode); IPathNode multiPolygonNode = new PathNode(_GMLNS, "MultiPolygon", (NameTable)_XmlReader.NameTable); IPathNode multiSurfaceNode = new PathNode(_GMLNS, "MultiSurface", (NameTable)_XmlReader.NameTable); IPathNode multiPolygonNodeAlt = new AlternativePathNodesCollection(multiPolygonNode, multiSurfaceNode); while (_XmlReader.Read()) { if (_XmlReader.NodeType == XmlNodeType.Element) { if (_MultiGeometries) { if (multiPointNode.Matches(_XmlReader)) { geomFactory = new MultiPointFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "MultiPointPropertyType"; break; } if (multiLineStringNodeAlt.Matches(_XmlReader)) { geomFactory = new MultiLineStringFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "MultiLineStringPropertyType"; break; } if (multiPolygonNodeAlt.Matches(_XmlReader)) { geomFactory = new MultiPolygonFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "MultiPolygonPropertyType"; break; } } if (pointNode.Matches(_XmlReader)) { geomFactory = new PointFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "PointPropertyType"; break; } if (lineStringNode.Matches(_XmlReader)) { geomFactory = new LineStringFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "LineStringPropertyType"; break; } if (polygonNode.Matches(_XmlReader)) { geomFactory = new PolygonFactory(_HttpClientUtil, _FeatureTypeInfo, _LabelInfo); geometryTypeString = "PolygonPropertyType"; break; } if (_ServiceExceptionNode.Matches(_XmlReader)) { serviceException = _XmlReader.ReadInnerXml(); Trace.TraceError("A service exception occured: " + serviceException); throw new Exception("A service exception occured: " + serviceException); } } } _FeatureTypeInfo.Geometry._GeometryType = geometryTypeString; if (geomFactory != null) { geomFactory.AxisOrder = AxisOrder; var res = _QuickGeometries ? geomFactory.createQuickGeometries(geometryTypeString) : geomFactory.createGeometries(); geomFactory.Dispose(); return(res); } return(_Geoms); }