public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
UIDocument uidoc = commandData.Application.ActiveUIDocument;
Document doc = commandData.Application.ActiveUIDocument.Document;
IList <Reference> selection1 = uidoc.Selection.PickObjects(ObjectType.Element); //Select 1st list
IList <XYZ> roomsXyz1 = selection1 //Room 1,2 & 3
.Select(r => doc.GetElement(r.ElementId).Location)
.Cast <LocationPoint>()
.Select(locPoint => locPoint.Point)
.ToList();
IList <Reference> selection2 = uidoc.Selection.PickObjects(ObjectType.Element); //Select 2nd list
IList <XYZ> roomsXyz2 = selection2 //Room 4,6 & 8
.Select(r => doc.GetElement(r.ElementId).Location)
.Cast <LocationPoint>()
.Select(locPoint => locPoint.Point)
.ToList();
using (Transaction tx = new Transaction(doc))
{
tx.Start("Find shortest Path !");
//IList<PathOfTravel> routeMap = PathOfTravel.CreateMapped(doc.ActiveView, roomsXyz1, roomsXyz2);
IList <PathOfTravel> routeMultiple = PathOfTravel.CreateMultiple(doc.ActiveView, roomsXyz1, roomsXyz2);
tx.Commit();
}
return(Result.Succeeded);
}
/// <summary>
/// Wraps all calls to PathOfTravel.Create() with multiple start/ends.
/// </summary>
/// <param name="doc"></param>
/// <param name="viewPlan"></param>
/// <param name="startPoints"></param>
/// <param name="endPoints"></param>
/// <param name="resultsSummary"></param>
/// <param name="mapAllStartsToAllEnds"></param>
private static void GeneratePathsOfTravel(Document doc, ViewPlan viewPlan, List <XYZ> startPoints, List <XYZ> endPoints, ResultsSummary resultsSummary, bool mapAllStartsToAllEnds)
{
// Performance monitoring
Stopwatch stopwatch = Stopwatch.StartNew();
using (Transaction t = new Transaction(doc, "Generate paths of travel"))
{
t.Start();
IList <PathOfTravelCalculationStatus> statuses;
IList <PathOfTravel> pathsOfTravel;
if (mapAllStartsToAllEnds)
{
pathsOfTravel = PathOfTravel.CreateMapped(viewPlan, startPoints, endPoints, out statuses);
}
else
{
pathsOfTravel = PathOfTravel.CreateMultiple(viewPlan, startPoints, endPoints, out statuses);
}
int i = 0;
foreach (PathOfTravel pathOfTravel in pathsOfTravel)
{
if (pathOfTravel == null)
{
resultsSummary.numFailures++;
resultsSummary.failuresFound.Add(statuses[i]);
}
else
{
resultsSummary.numSuccesses++;
}
i++;
}
t.Commit();
}
stopwatch.Stop();
resultsSummary.elapsedMilliseconds = stopwatch.ElapsedMilliseconds;
}