public KeyValuePair <List <ElementId>, List <double> > TravelDis(Document doc, ICollection <ElementId> selectedIds, List <ElementId> RoomsForbid) //distances of all rooms on current level to nearest exit
{
View currentView = doc.ActiveView;
//door location
var doors = new List <ElementId>();
doors = GetExits(doc);
var doors_loc = new List <XYZ>();
foreach (ElementId id in doors)
{
Element door = doc.GetElement(id);
LocationPoint loc = door.Location as LocationPoint;
XYZ xyz = loc.Point;
doors_loc.Add(xyz);
}
//room location
var levelid = ViewLevel(doc);
var rooms = GetRoomsOnLevel(doc, levelid);
var final_rel = new List <double>();
var rooms_loc = CenterOfRoom(doc, rooms);
//TaskDialog.Show("Revit", doors_loc.Count.ToString());
//TaskDialog.Show("Revit", rooms_loc.Count.ToString());
var Exit2Door = new List <XYZ>();
using (TransactionGroup transGroup = new TransactionGroup(doc))
{
transGroup.Start("group start");
using (Transaction trans_del = new Transaction(doc))
{
trans_del.Start("Del");
foreach (ElementId id in RoomsForbid)
{
Element temp = doc.GetElement(id);
DeleteDoorsOfRoom(doc, id);
}
trans_del.Commit();
}
using (Transaction trans = new Transaction(doc))
{
if (trans.Start("Path") == TransactionStatus.Started)
{
//PathOfTravel.CreateMapped(currentView, rooms_loc, doors_loc);
//try to find the shortest path to the exits(one of)
//var ig = new List<ElementId>();
var settings = RouteAnalysisSettings.GetRouteAnalysisSettings(doc);
//foreach (ElementId id in selectedIds)
//{
// Element temp = doc.GetElement(id);
// ig.Add(temp.Category.Id);
//}
settings.SetIgnoredCategoryIds(selectedIds);
foreach (XYZ r in rooms_loc)
{
double temp_len = 10000000;
XYZ temp_loc = null;
int cnt = 0;
foreach (XYZ d in doors_loc)
{
PathOfTravel path = PathOfTravel.Create(currentView, r, d);
if (path == null)
{
continue;
}
IList <Curve> p = path.GetCurves();
if (temp_len >= calDis(p))
{
temp_loc = d;
temp_len = calDis(p);
}
}
Exit2Door.Add(temp_loc);
}
trans.RollBack();
//TaskDialog taskdialog = new TaskDialog("Revit");
//taskdialog.MainContent = "Click [OK] to commot and click [cancel] to roll back";
//TaskDialogCommonButtons buttons = TaskDialogCommonButtons.Ok | TaskDialogCommonButtons.Cancel;
//taskdialog.CommonButtons = buttons;
//if (TaskDialogResult.Ok == taskdialog.Show())
//{
// if (TransactionStatus.Committed != trans.Commit()) {
// TaskDialog.Show("Fail", "Trans can not be committed");
// }
//}
//else {
// trans.RollBack();
//}
}
}
var RoomsPoint = rooms_loc;
using (Transaction trans2 = new Transaction(doc))
{
if (trans2.Start("Path_final") == TransactionStatus.Started)
{
var settings = RouteAnalysisSettings.GetRouteAnalysisSettings(doc);
settings.SetIgnoredCategoryIds(selectedIds);
for (int i = 0; i < RoomsPoint.Count; i++)
{
XYZ d = Exit2Door[i];
XYZ r = RoomsPoint[i];
Room temp_room = doc.GetRoomAtPoint(r);
double halfDia = calHalfDia(temp_room);
if (r == null || d == null)
{
final_rel.Add(MAX_NUM);
continue;
}
;
IList <Curve> path = PathOfTravel.Create(currentView, r, d).GetCurves();
final_rel.Add(calDis(path));
}
trans2.Commit();
}
}
transGroup.Assimilate();
}
var allRoomName = new List <ElementId>();
foreach (Room r in rooms)
{
allRoomName.Add(r.Id);
}
return(new KeyValuePair <List <ElementId>, List <double> >(allRoomName, final_rel));
}
public IList <XYZ> CalPointOfRooms(Document doc, IEnumerable <Room> rooms, List <XYZ> Exit2Door, ICollection <ElementId> eleIg)
{
var rel = new List <XYZ>();
using (Transaction trans = new Transaction(doc))
{
if (trans.Start("Path") == TransactionStatus.Started)
{
int count = 0;
var settings = RouteAnalysisSettings.GetRouteAnalysisSettings(doc);
settings.SetIgnoredCategoryIds(eleIg);
foreach (Room room in rooms)
{
var exit = Exit2Door[count];
BoundingBoxXYZ box = room.get_BoundingBox(null);
Transform trf = box.Transform;
XYZ min_xyz = box.Min;
XYZ max_xyz = box.Max;
XYZ minInCoor = trf.OfPoint(min_xyz);
XYZ maxInCoor = trf.OfPoint(max_xyz);
List <XYZ> temp = new List <XYZ>();
temp.Add(new XYZ(minInCoor.X, maxInCoor.Y, minInCoor.Z));
temp.Add(new XYZ(minInCoor.Y, maxInCoor.X, minInCoor.Z));
temp.Add(new XYZ(maxInCoor.X, minInCoor.Y, minInCoor.Z));
temp.Add(new XYZ(maxInCoor.Y, minInCoor.X, minInCoor.Z));
XYZ final = null;
double final_dis = MAX_NUM;
foreach (XYZ r in temp)
{
if (!room.IsPointInRoom(r))
{
continue;
}
PathOfTravel path = PathOfTravel.Create(doc.ActiveView, r, exit);
if (path == null)
{
continue;
}
double dis = calDis(path.GetCurves());
if (dis < final_dis)
{
final_dis = dis;
final = r;
}
}
if (final == null)
{
LocationPoint loc = room.Location as LocationPoint;
XYZ xyz = loc.Point;
rel.Add(xyz);
}
else
{
rel.Add(final);
}
}
trans.RollBack();
}
}
//foreach (Room r in rooms)
//{
// LocationPoint loc = r.Location as LocationPoint;
// XYZ xyz = loc.Point;
// rel.Add(xyz);
//}
return(rel);
}
