/// <summary>
/// Gets the room's edge list.
/// </summary>
/// <param name="room"></param>
/// <param name="boundary"></param>
/// <returns></returns>
public static List <Line> GetEdgeList(this SpatialElement room, SpatialElementBoundaryLocation boundary)
{
if (room == null)
{
throw new ArgumentNullException(nameof(room));
}
var result = new List <Line>();
var opt = new SpatialElementBoundaryOptions
{
StoreFreeBoundaryFaces = true,
SpatialElementBoundaryLocation = boundary
};
var segments = room.GetBoundarySegments(opt).SelectMany(s => s);
foreach (var seg in segments)
{
var sp = seg.GetCurve().GetEndPoint(0);
var ep = seg.GetCurve().GetEndPoint(1);
result.Add(Line.CreateBound(sp, ep));
}
return(result);
}
/// <summary>
/// Returns intersection element list.
/// </summary>
/// <param name="room"></param>
/// <param name="doc"></param>
/// <param name="loc"></param>
/// <returns></returns>
public static List <Element> IntersectElementList(this SpatialElement room, Document doc, SpatialElementBoundaryLocation loc = default)
{
if (room is null)
{
throw new ArgumentNullException(nameof(room));
}
if (doc is null)
{
throw new ArgumentNullException(nameof(doc));
}
var opt = new SpatialElementBoundaryOptions {
SpatialElementBoundaryLocation = loc
};
var calc = new SpatialElementGeometryCalculator(doc, opt);
var solid = calc.CalculateSpatialElementGeometry(room).GetGeometry();
var instFilter = new FilteredElementCollector(doc).WhereElementIsNotElementType();
var itstFilter = new ElementIntersectsSolidFilter(solid);
return(instFilter.WherePasses(itstFilter).ToList());
}
