public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
Application app = commandData.Application.Application;
UIDocument uidoc = commandData.Application.ActiveUIDocument;
Document doc = uidoc.Document;
Reference pickedReference = null;
try
{
pickedReference = uidoc.Selection.PickObject(ObjectType.Element, new RebarSelectFilter() , "Pick a Rebar");
}
catch (Autodesk.Revit.Exceptions.OperationCanceledException)
{
return Result.Cancelled;
}
Rebar rebar = doc.GetElement(pickedReference) as Rebar;
if (!rebar.IsRebarShapeDriven() || rebar.LayoutRule == RebarLayoutRule.Single)
{
message = "Singe rebar and non-shape driven rebars are not supported.";
return Result.Failed;
}
double rebarDiameter = rebar.GetBendData().BarDiameter;
RebarBarType barType = doc.GetElement(rebar.GetTypeId()) as RebarBarType;
IList<Curve> transformedCurvesFirst = Utils.GetTransformedCenterLineCurvesAtPostition(rebar, 0);
IList<Curve> transformedCurvesLast = Utils.GetTransformedCenterLineCurvesAtPostition(rebar, rebar.NumberOfBarPositions-1);
XYZ direction = transformedCurvesFirst.OfType<Line>().First().Direction;
List<XYZ> rebarInBendFirstPoints = GetPointInArc(transformedCurvesFirst, rebarDiameter);
List<XYZ> rebarInBendLastPoints = GetPointInArc(transformedCurvesLast, rebarDiameter);
using (Transaction t1 = new Transaction(doc, "Add rebar in bend"))
{
t1.Start();
for (int i = 0; i < rebarInBendFirstPoints.Count; i++)
{
Line newRebarCenterline = Line.CreateBound(rebarInBendFirstPoints[i], rebarInBendLastPoints[i]);
IList<Curve> rebarCurve = new List<Curve>();
rebarCurve.Add(newRebarCenterline);
Rebar.CreateFromCurves(doc, RebarStyle.Standard, barType, null, null, doc.GetElement(rebar.GetHostId()), direction, rebarCurve, RebarHookOrientation.Left, RebarHookOrientation.Left, true, false);
}
doc.Regenerate();
t1.Commit();
}
return Result.Succeeded;
}