private Geometry ComputeGeometry(IGeometryList resultPointList,
IGeometryList resultLineList, IGeometryList resultPolyList)
{
GeometryList geomList = new GeometryList();
// element geometries of the result are always in the order P,L,A
geomList.AddRange(resultPointList);
geomList.AddRange(resultLineList);
geomList.AddRange(resultPolyList);
// build the most specific geometry possible
return geomFact.BuildGeometry(geomList);
}
protected virtual Geometry Transform(Polygon geom, Geometry parent)
{
bool isAllValidLinearRings = true;
Geometry shell = Transform(geom.ExteriorRing, geom);
if (shell == null ||
!(shell.GeometryType == GeometryType.LinearRing) ||
shell.IsEmpty)
{
isAllValidLinearRings = false;
}
GeometryList holes = new GeometryList();
for (int i = 0; i < geom.NumInteriorRings; i++)
{
Geometry hole = Transform(geom.InteriorRing(i), geom);
if (hole == null || hole.IsEmpty)
{
continue;
}
if (!(hole.GeometryType == GeometryType.LinearRing))
{
isAllValidLinearRings = false;
}
holes.Add(hole);
}
if (isAllValidLinearRings)
{
return(geomFactory.CreatePolygon((LinearRing)shell,
holes.ToLinearRingArray()));
}
else
{
GeometryList components = new GeometryList();
if (shell != null)
{
components.Add(shell);
}
components.AddRange(holes);
return(geomFactory.BuildGeometry(components));
}
}
public void AddGeometry(IEnumerable <IBrepGeometry> geometrys)
{
GeometryList.AddRange(geometrys);
}