private static PolygonType ExtractShellPolygon(ref ILinearRing shell, SurfacePropertyType member)
{
PolygonType sur = member.Surface as PolygonType;
LinearRingType li = sur.Exterior.Ring as LinearRingType;
foreach (DirectPositionListType rings in li.Items)
{
List <Coordinate> lstCoor = ExtractCoordinates(rings);
shell = new LinearRing(lstCoor);
}
return(sur);
}
private static Feature ConvertLinearRing(LinearRingType linearRing)
{
return(new Feature((Geometry) new LineairRing((IEnumerable <GeoCoordinate>)KmlFeatureStreamSource.ConvertCoordinates(linearRing.coordinates)))
{
Attributes =
{
{
"id",
(object)linearRing.id
}
}
});
}
public static LinearRingType ToGmlLinearRing(this LineString lineString)
{
if (!lineString.IsClosed())
{
throw new InvalidFormatException("LineString geometry is not closed and cannot be transformed to GML linearRing");
}
LinearRingType gmlLineString = new LinearRingType();
gmlLineString.ItemsElementName = new ItemsChoiceType6[1];
gmlLineString.ItemsElementName[0] = ItemsChoiceType6.posList;
gmlLineString.Items = new object[1];
gmlLineString.Items[0] = ToGmlPosList(lineString.Positions.ToArray());
return(gmlLineString);
}
public static LineString ToGeometry(this LinearRingType linearRing)
{
List <IPosition> positions;
Type posType = linearRing.ItemsElementName.First().GetType();
positions = FromGMLData(linearRing.Items, Array.ConvertAll <ItemsChoiceType6, string>(linearRing.ItemsElementName, i => i.ToString()));
LineString linestring = new LineString(positions);
if (linestring.Positions.Count < 4 || !linestring.IsClosed())
{
throw new InvalidFormatException("invalid GML representation: linearring is not a closed ring of minimum 4 positions");
}
return(linestring);
}
private static void ExtractInteriorPolygon(ILinearRing[] holes, PolygonType sur)
{
Collection <AbstractRingPropertyType> lin = sur.Interior as Collection <AbstractRingPropertyType>;
int i = 0;
foreach (AbstractRingPropertyType ringis in lin)
{
LinearRingType lii = ringis.Ring as LinearRingType;
foreach (DirectPositionListType rings in lii.Items)
{
List <Coordinate> lstCoor = ExtractCoordinates(rings);
holes[i] = new LinearRing(lstCoor);
i++;
}
}
}
public static LinearRingType ToGmlLinearRing(this LineString lineString)
{
if (!lineString.IsClosed())
throw new InvalidFormatException("LineString geometry is not closed and cannot be transformed to GML linearRing");
LinearRingType gmlLineString = new LinearRingType();
gmlLineString.Items1ElementName = new Items1ChoiceType2[1];
gmlLineString.Items1ElementName[0] = Items1ChoiceType2.posList;
gmlLineString.Items1 = new object[1];
gmlLineString.Items1[0] = ToGmlPosList(lineString.Positions.ToArray());
return gmlLineString;
}
