/// <summary>
///
/// </summary>
/// <param name="cur1"></param>
/// <param name="cur2"></param>
/// <param name="mergedCur"></param>
/// <returns></returns>
public static bool Merge(Bcurve cur1, Bcurve cur2, out Bcurve mergedCur)
{
mergedCur = new Bcurve();
if ((cur1.Id == cur2.Id) && (cur1.Curve is Line) &&
(cur2.Curve is Line))
{
Line lin1 = cur1.Curve as Line;
Line lin2 = cur2.Curve as Line;
if ((lin1.Direction.Normalize().IsAlmostEqualTo
(lin2.Direction.Normalize())) &&
(lin1.IsBound) && (lin2.IsBound))
{
XYZ lin1s = lin1.GetEndPoint(0);
XYZ lin1e = lin1.GetEndPoint(1);
XYZ lin2s = lin2.GetEndPoint(0);
XYZ lin2e = lin2.GetEndPoint(1);
if (lin1s.IsAlmostEqualTo(lin2e))
{
mergedCur = new Bcurve
(Line.CreateBound(lin2s, lin1e), cur1);
return(true);
}
else if (lin1e.IsAlmostEqualTo(lin2s))
{
mergedCur = new Bcurve(
Line.CreateBound(lin1s, lin2e), cur1);
return(true);
}
}
}
return(false);
}
public Bcurve(Curve curve, Bcurve root)
{
Curve = curve;
Length = curve.Length;
Id = root.Id;
BaseIsWall = root.BaseIsWall;
BaseWallCurve = root.BaseWallCurve;
BaseWallWidth = root.BaseWallWidth;
}
/// <summary>
/// Calculate the boundary of a room with elementId attached to it.
/// </summary>
/// <param name="room"></param>
/// <returns></returns>
public static List <List <Bcurve> > GetBoundary
(Room room, out List <List <XYZ> > vertexList)
{
List <List <Bcurve> > boundaryList =
new List <List <Bcurve> >();
vertexList = new List <List <XYZ> >();
IList <IList <BoundarySegment> > BSlist =
room.GetBoundarySegments
(new SpatialElementBoundaryOptions())
as IList <IList <BoundarySegment> >;
foreach (IList <BoundarySegment> BSegs in BSlist)
{
List <Bcurve> boundaries =
new List <Bcurve>();
List <XYZ> vertexes = new List <XYZ>();
Stack <Bcurve> boundCurs = new Stack <Bcurve>();
Queue <Bcurve> cursMerged = new Queue <Bcurve>();
foreach (BoundarySegment Seg in BSegs)
{
Document doc = room.Document;
Element wallOrNo = doc.GetElement(Seg.ElementId);
ElementId wallId = doc.Settings.Categories
.get_Item(BuiltInCategory.OST_Walls).Id;
if (wallOrNo.Category.Id.Equals(wallId))
{
Wall w = wallOrNo as Wall;
LocationCurve wLoc = w.Location as LocationCurve;
boundCurs.Push(new Bcurve
(Seg.GetCurve(), Seg.ElementId, true, wLoc.Curve, w.Width));
}
else
{
boundCurs.Push(new Bcurve
(Seg.GetCurve(), Seg.ElementId, false, Seg.GetCurve(), -1));
}
}
#region Merge curves
while (boundCurs.Count > 1)
{
Bcurve cur1 = boundCurs.Pop();
Bcurve cur2 = boundCurs.Pop();
if (Merge(cur1, cur2, out Bcurve curM))
{
boundCurs.Push(curM);
continue;
}
boundCurs.Push(cur2);
cursMerged.Enqueue(cur1);
}
Bcurve cur3 = boundCurs.Pop();
Bcurve cur4 = cursMerged.Peek();
if (Merge(cur3, cur4, out Bcurve curveM))
{
cursMerged.Dequeue();
cursMerged.Enqueue(curveM);
}
else
{
cursMerged.Enqueue(cur3);
}
cursMerged.Reverse();
#endregion
foreach (Bcurve bcur in cursMerged)
{
boundaries.Add(bcur);
vertexes.Add(bcur.Curve.GetEndPoint(0));
}
boundaryList.Add(boundaries);
vertexList.Add(vertexes);
}
return(boundaryList);
}