public double GetOpeningArea(
Wall elemHost,
Element elemInsert,
Room room,
Solid roomSolid)
{
Document doc = room.Document;
double openingArea = 0;
if (elemInsert is FamilyInstance)
{
FamilyInstance fi = elemInsert as FamilyInstance;
if (IsInRoom(room, fi))
{
if (elemHost is Wall)
{
Wall wall = elemHost as Wall;
openingArea = GetWallCutArea(fi, wall);
}
//if( openingArea.Equals( 0 ) )
//{
// openingArea = GetDoorWinAreaFromParameter( doc, fi );
//}
}
}
if (elemInsert is Wall)
{
SolidHandler solidHandler = new SolidHandler();
openingArea = solidHandler.GetWallAsOpeningArea(
elemInsert, roomSolid);
}
return(openingArea);
}
public double GetWallCutArea(
FamilyInstance fi,
Wall wall)
{
Document doc = fi.Document;
XYZ cutDir = null;
CurveLoop curveLoop
= ExporterIFCUtils.GetInstanceCutoutFromWall(
fi.Document, wall, fi, out cutDir);
IList <CurveLoop> loops = new List <CurveLoop>(1);
loops.Add(curveLoop);
if (!wall.IsStackedWallMember)
{
return(ExporterIFCUtils.ComputeAreaOfCurveLoops(loops));
}
else
{
// Will not get multiple stacked walls with
// varying thickness due to the nature of rooms.
// Use ReferenceIntersector if we can identify
// those missing room faces...open for suggestions.
SolidHandler solHandler = new SolidHandler();
Options optCompRef
= doc.Application.Create.NewGeometryOptions();
if (null != optCompRef)
{
optCompRef.ComputeReferences = true;
optCompRef.DetailLevel = ViewDetailLevel.Medium;
}
GeometryElement geomElemHost
= wall.get_Geometry(optCompRef)
as GeometryElement;
Solid solidOpening = GeometryCreationUtilities
.CreateExtrusionGeometry(loops,
cutDir.Negate(), .1);
Solid solidHost
= solHandler.CreateSolidFromBoundingBox(
null, geomElemHost.GetBoundingBox(), null);
// We dont really care about the boundingbox
// rotation as we only need the intersected solid.
if (solidHost == null)
{
return(0);
}
Solid intersectSolid = BooleanOperationsUtils
.ExecuteBooleanOperation(solidOpening,
solidHost, BooleanOperationsType.Intersect);
if (intersectSolid.Faces.Size.Equals(0))
{
solidOpening = GeometryCreationUtilities
.CreateExtrusionGeometry(loops, cutDir, .1);
intersectSolid = BooleanOperationsUtils
.ExecuteBooleanOperation(solidOpening,
solidHost, BooleanOperationsType.Intersect);
}
if (DebugHandler.EnableSolidUtilityVolumes)
{
using (Transaction t = new Transaction(doc))
{
t.Start("Stacked1");
ShapeCreator.CreateDirectShape(doc,
intersectSolid, "stackedOpening");
t.Commit();
}
}
return(solHandler.GetLargestFaceArea(
intersectSolid));
}
}