/// <summary>
/// Gets the features within the specified <see cref="GeoAPI.Geometries.Envelope"/>
/// </summary>
/// <param name="bbox"></param>
/// <returns>Features within the specified <see cref="GeoAPI.Geometries.Envelope"/></returns>
public Collection<IGeometry> GetGeometriesInView(Envelope bbox)
{
if (_featureTypeInfo == null) return null;
var geoms = new Collection<IGeometry>();
string geometryTypeString = _featureTypeInfo.Geometry._GeometryType;
GeometryFactory geomFactory = null;
if (!string.IsNullOrEmpty(_label))
{
_labelInfo = new FeatureDataTable();
_labelInfo.Columns.Add(_label);
// Turn off quick geometries, if a label is applied...
_quickGeometries = false;
}
// Configuration for GetFeature request */
WFSClientHTTPConfigurator config = new WFSClientHTTPConfigurator(_textResources);
config.configureForWfsGetFeatureRequest(_httpClientUtil, _featureTypeInfo, _label, bbox, _ogcFilter,
_getFeatureGETRequest);
try
{
switch (geometryTypeString)
{
/* Primitive geometry elements */
// GML2
case "PointPropertyType":
geomFactory = new PointFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML2
case "LineStringPropertyType":
geomFactory = new LineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML2
case "PolygonPropertyType":
geomFactory = new PolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML3
case "CurvePropertyType":
geomFactory = new LineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML3
case "SurfacePropertyType":
geomFactory = new PolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
/* Aggregate geometry elements */
// GML2
case "MultiPointPropertyType":
if (_multiGeometries)
geomFactory = new MultiPointFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
else
geomFactory = new PointFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML2
case "MultiLineStringPropertyType":
if (_multiGeometries)
geomFactory = new MultiLineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
else
geomFactory = new LineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML2
case "MultiPolygonPropertyType":
if (_multiGeometries)
geomFactory = new MultiPolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
else
geomFactory = new PolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML3
case "MultiCurvePropertyType":
if (_multiGeometries)
geomFactory = new MultiLineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
else
geomFactory = new LineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML3
case "MultiSurfacePropertyType":
if (_multiGeometries)
geomFactory = new MultiPolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
else
geomFactory = new PolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// .e.g. 'gml:GeometryAssociationType' or 'GeometryPropertyType'
//It's better to set the geometry type manually, if it is known...
default:
geomFactory = new UnspecifiedGeometryFactory_WFS1_0_0_GML2(_httpClientUtil, _featureTypeInfo,
_multiGeometries, _quickGeometries,
_labelInfo);
geoms = geomFactory.createGeometries();
return geoms;
}
geoms = _quickGeometries
? geomFactory.createQuickGeometries(geometryTypeString)
: geomFactory.createGeometries();
geomFactory.Dispose();
return geoms;
}
// Free resources (net connection of geometry factory)
finally
{
if (geomFactory != null)
{
geomFactory.Dispose();
}
}
}
/// <summary>
/// Gets the features within the specified <see cref="GeoAPI.Geometries.Envelope"/>
/// </summary>
/// <param name="bbox"></param>
/// <returns>Features within the specified <see cref="GeoAPI.Geometries.Envelope"/></returns>
public IEnumerable<IGeometry> GetGeometriesInView(Envelope bbox, CancellationToken? cancellationToken = null)
{
if (_featureTypeInfo == null) return null;
var geoms = new Collection<IGeometry>();
string geometryTypeString = _featureTypeInfo.Geometry._GeometryType;
GeometryFactory geomFactory = null;
if (!string.IsNullOrEmpty(_label))
{
var ff = FeatureFactory.CreateInt32(GeoAPI.GeometryServiceProvider.Instance.CreateGeometryFactory(SRID),
new FeatureAttributeDefinition
{
AttributeName = "Label",
Default = string.Empty,
AttributeType = typeof(string),
IsNullable = true
});
_labelInfo = new FeatureCollection<int>(ff);
// Turn off quick geometries, if a label is applied...
_quickGeometries = false;
}
// Configuration for GetFeatureByOid request */
WFSClientHTTPConfigurator config = new WFSClientHTTPConfigurator(_textResources);
config.configureForWfsGetFeatureRequest(_httpClientUtil, _featureTypeInfo, _label, bbox, _ogcFilter,
_getFeatureGETRequest);
try
{
switch (geometryTypeString)
{
/* Primitive geometry elements */
// GML2
case "PointPropertyType":
geomFactory = new PointFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML2
case "LineStringPropertyType":
geomFactory = new LineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML2
case "PolygonPropertyType":
geomFactory = new PolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML3
case "CurvePropertyType":
geomFactory = new LineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML3
case "SurfacePropertyType":
geomFactory = new PolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
/* Aggregate geometry elements */
// GML2
case "MultiPointPropertyType":
if (_multiGeometries)
geomFactory = new MultiPointFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
else
geomFactory = new PointFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML2
case "MultiLineStringPropertyType":
if (_multiGeometries)
geomFactory = new MultiLineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
else
geomFactory = new LineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML2
case "MultiPolygonPropertyType":
if (_multiGeometries)
geomFactory = new MultiPolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
else
geomFactory = new PolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML3
case "MultiCurvePropertyType":
if (_multiGeometries)
geomFactory = new MultiLineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
else
geomFactory = new LineStringFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// GML3
case "MultiSurfacePropertyType":
if (_multiGeometries)
geomFactory = new MultiPolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
else
geomFactory = new PolygonFactory(_httpClientUtil, _featureTypeInfo, _labelInfo);
break;
// .e.g. 'gml:GeometryAssociationType' or 'GeometryPropertyType'
//It's better to set the geometry type manually, if it is known...
default:
geomFactory = new UnspecifiedGeometryFactory_WFS1_0_0_GML2(_httpClientUtil, _featureTypeInfo,
_multiGeometries, _quickGeometries,
_labelInfo);
geoms = geomFactory.createGeometries();
return geoms;
}
geoms = _quickGeometries
? geomFactory.createQuickGeometries(geometryTypeString)
: geomFactory.createGeometries();
geomFactory.Dispose();
return geoms;
}
// Free resources (net connection of geometry factory)
finally
{
if (geomFactory != null)
{
geomFactory.Dispose();
}
}
}
