public static void Add3DPolygon(LocalVectorDataSource source, Projection projection) { // Create 3d polygon style and poses Polygon3DStyleBuilder polygon3DStyleBuilder = new Polygon3DStyleBuilder(); polygon3DStyleBuilder.Color = new Color(51, 51, 255, 255); MapPosVector polygon3DPoses = new MapPosVector(); polygon3DPoses.Add(projection.FromWgs84(new MapPos(24.635930, 59.416659))); polygon3DPoses.Add(projection.FromWgs84(new MapPos(24.642453, 59.411354))); polygon3DPoses.Add(projection.FromWgs84(new MapPos(24.646187, 59.409607))); polygon3DPoses.Add(projection.FromWgs84(new MapPos(24.652667, 59.413123))); polygon3DPoses.Add(projection.FromWgs84(new MapPos(24.650736, 59.416703))); polygon3DPoses.Add(projection.FromWgs84(new MapPos(24.646444, 59.416245))); // Create 3d polygon holes poses MapPosVector holePositions = new MapPosVector(); holePositions.Add(projection.FromWgs84(new MapPos(24.643409, 59.411922))); holePositions.Add(projection.FromWgs84(new MapPos(24.651207, 59.412896))); holePositions.Add(projection.FromWgs84(new MapPos(24.643207, 59.414411))); MapPosVectorVector holes = new MapPosVectorVector(); holes.Add(holePositions); // Add to datasource Polygon3D polygon = new Polygon3D(polygon3DPoses, holes, polygon3DStyleBuilder.BuildStyle(), 150); polygon.SetMetaDataElement("ClickText", new Variant("Polygon 3D")); source.Add(polygon); }