/// <summary>
/// Generates paths of travel from points in one room to many target locations using the slower (one-at-a-time) method.
/// </summary>
/// <param name="doc"></param>
/// <param name="viewPlan"></param>
/// <param name="room"></param>
/// <param name="endPoints"></param>
/// <param name="resultsSummary"></param>
private static void GeneratePathsOfTravelForOneRoomManyDoors(Document doc, ViewPlan viewPlan, Room room, List <XYZ> endPoints, ResultsSummary resultsSummary)
{
List <XYZ> sourcePoints = GetRoomNearCornerPoints(room);
resultsSummary.numSourcePoints += sourcePoints.Count;
// generate paths
using (Transaction t = new Transaction(doc, "Generate paths of travel"))
{
t.Start();
IList <PathOfTravelCalculationStatus> statuses;
IList <PathOfTravel> pathsOfTravel = PathOfTravel.CreateMapped(viewPlan, sourcePoints, endPoints, out statuses);
foreach (PathOfTravel pOT in pathsOfTravel)
{
if (pOT == null)
{
resultsSummary.numFailures++;
}
else
{
resultsSummary.numSuccesses++;
}
}
t.Commit();
}
}
/// <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;
}
/// <summary>
/// Generates paths of travel from the center points of the room to a single door using the many to many approach. Does not collect and display results.
/// </summary>
private void CreatePathsOfTravelRoomCenterpointsToSingleDoor(UIDocument uiDoc)
{
Document doc = uiDoc.Document;
ViewPlan viewPlan = uiDoc.ActiveView as ViewPlan;
ElementId levelId = viewPlan.GenLevel.Id;
// select exit door
Reference reference = uiDoc.Selection.PickObject(ObjectType.Element, new DoorSelectionFilter(), "Select a target door");
Instance doorElement = doc.GetElement(reference) as Instance;
Transform trf = doorElement.GetTransform();
XYZ endPoint = trf.Origin;
// find all rooms
FilteredElementCollector fec = new FilteredElementCollector(doc);
fec.WherePasses(new Autodesk.Revit.DB.Architecture.RoomFilter());
List <XYZ> startPoints = new List <XYZ>();
foreach (Room room in fec.Cast <Room>().Where <Room>(rm => rm.Level.Id == levelId))
{
LocationPoint location = room.Location as LocationPoint;
if (location == null)
{
continue;
}
XYZ roomPoint = location.Point;
startPoints.Add(roomPoint);
}
// generate paths
using (Transaction t = new Transaction(doc, "Generate paths of travel"))
{
t.Start();
IList <PathOfTravelCalculationStatus> statuses;
PathOfTravel.CreateMapped(viewPlan, startPoints, new List <XYZ> {
endPoint
}, out statuses);
t.Commit();
}
}