public static List <Autodesk.Revit.DB.Wall> TrimOrExtendWall(this IEnumerable <Autodesk.Revit.DB.Wall> walls, double maxDistance, double tolerance = Core.Tolerance.Distance)
{
Dictionary <double, Dictionary <Autodesk.Revit.DB.Wall, Segment2D> > dictionary = new Dictionary <double, Dictionary <Autodesk.Revit.DB.Wall, Segment2D> >();
foreach (Autodesk.Revit.DB.Wall wall in walls)
{
Curve curve = (wall.Location as LocationCurve).Curve;
Segment3D segment3D = Geometry.Revit.Convert.ToSAM_Segment3D(curve);
double elevation = Math.Min(segment3D[0].Z, segment3D[1].Z);
Dictionary <Autodesk.Revit.DB.Wall, Segment2D> dictionary_Wall = null;
if (!dictionary.TryGetValue(elevation, out dictionary_Wall))
{
dictionary_Wall = new Dictionary <Autodesk.Revit.DB.Wall, Segment2D>();
dictionary[elevation] = dictionary_Wall;
}
dictionary_Wall[wall] = Geometry.Spatial.Plane.WorldXY.Convert(segment3D);
}
List <Autodesk.Revit.DB.Wall> result = new List <Autodesk.Revit.DB.Wall>();
foreach (KeyValuePair <double, Dictionary <Autodesk.Revit.DB.Wall, Segment2D> > keyValuePair in dictionary)
{
List <Segment2D> segment2Ds = keyValuePair.Value.Values.ToList();
//Filtering Walls by Level
List <Tuple <Autodesk.Revit.DB.Wall, Segment2D, List <int>, bool> > tupleList = new List <Tuple <Autodesk.Revit.DB.Wall, Segment2D, List <int>, bool> >();
foreach (KeyValuePair <Autodesk.Revit.DB.Wall, Segment2D> keyValuePair_Wall in keyValuePair.Value)
{
LocationCurve locationCurve = keyValuePair_Wall.Key.Location as LocationCurve;
List <int> indexes = new List <int>();
ElementArray elementArray = null;
elementArray = locationCurve.get_ElementsAtJoin(0);
if (elementArray == null || elementArray.Size == 0)
{
indexes.Add(0);
}
elementArray = locationCurve.get_ElementsAtJoin(1);
if (elementArray == null || elementArray.Size == 0)
{
indexes.Add(1);
}
//if (indexes.Count > 0)
tupleList.Add(new Tuple <Autodesk.Revit.DB.Wall, Segment2D, List <int>, bool>(keyValuePair_Wall.Key, keyValuePair_Wall.Value, indexes, false));
}
//Seeking for walls to be extended/trimmed
bool updated = true;
while (updated)
{
updated = false;
List <Tuple <Autodesk.Revit.DB.Wall, Segment2D, List <int>, bool> > tupleList_Unconnected = tupleList.FindAll(x => x.Item3 != null && x.Item3.Count > 0);
for (int i = 0; i < tupleList_Unconnected.Count; i++)
{
Tuple <Autodesk.Revit.DB.Wall, Segment2D, List <int>, bool> tuple = tupleList_Unconnected[i];
List <Tuple <Autodesk.Revit.DB.Wall, Segment2D, List <int>, bool> > tupleList_Temp = new List <Tuple <Autodesk.Revit.DB.Wall, Segment2D, List <int>, bool> >(tupleList);
tupleList_Temp.Remove(tuple);
Segment2D segment2D = tuple.Item2;
List <Tuple <Point2D, Segment2D> > tupleList_Intersection = new List <Tuple <Point2D, Segment2D> >();
foreach (Segment2D segment2D_Temp in tupleList_Temp.ConvertAll(x => x.Item2))
{
Point2D point2D_Intersection = segment2D_Temp.Intersection(segment2D, false, tolerance);
if (point2D_Intersection == null)
{
//Checking Colinear Segment2Ds if can be extended
Vector2D direction_Temp = segment2D_Temp.Direction;
Vector2D direction = segment2D.Direction;
if (!direction_Temp.AlmostEqual(direction, tolerance) && !direction_Temp.AlmostEqual(direction.GetNegated(), tolerance))
{
continue;
}
Point2D point2D_Temp = null;
Point2D point2D = null;
if (!Geometry.Planar.Query.Closest(segment2D_Temp, segment2D, out point2D_Temp, out point2D, tolerance))
{
continue;
}
if (point2D_Temp.AlmostEquals(point2D, tolerance))
{
continue;
}
Vector2D direction_New = new Vector2D(point2D, point2D_Temp).Unit;
if (!direction_Temp.AlmostEqual(direction_New, tolerance) && !direction_Temp.AlmostEqual(direction_New.GetNegated(), tolerance))
{
continue;
}
point2D_Intersection = point2D;
}
double distance;
distance = segment2D.Distance(point2D_Intersection);
if (distance > maxDistance)
{
continue;
}
distance = segment2D_Temp.Distance(point2D_Intersection);
if (distance > maxDistance)
{
continue;
}
tupleList_Intersection.Add(new Tuple <Point2D, Segment2D>(point2D_Intersection, segment2D_Temp));
}
if (tupleList_Intersection.Count == 0)
{
continue;
}
foreach (int index in tuple.Item3)
{
Point2D point2D = segment2D[index];
tupleList_Intersection.Sort((x, y) => x.Item1.Distance(point2D).CompareTo(y.Item1.Distance(point2D)));
Tuple <Point2D, Segment2D> tuple_Intersection = tupleList_Intersection.Find(x => x.Item1.Distance(point2D) < maxDistance);
if (tuple_Intersection == null)
{
continue;
}
Segment2D segment2D_Intersection = tuple_Intersection.Item2;
int j = tupleList.FindIndex(x => x.Item2 == segment2D_Intersection);
if (j == -1)
{
continue;
}
int k = tupleList.FindIndex(x => x.Item2 == segment2D);
if (k == -1)
{
continue;
}
//TODO: Double Check if works (added 2020.05.14)
if ((index == 0 && segment2D[1].AlmostEquals(tuple_Intersection.Item1)) || (index == 1 && segment2D[0].AlmostEquals(tuple_Intersection.Item1)))
{
tupleList[k] = new Tuple <Autodesk.Revit.DB.Wall, Segment2D, List <int>, bool>(tuple.Item1, new Segment2D(tuple_Intersection.Item1, tuple_Intersection.Item1), tuple.Item3.FindAll(x => x != index), true);
updated = true;
break;
}
Segment2D segment2D_Temp;
if (segment2D_Intersection[0].Distance(tuple_Intersection.Item1) < maxDistance || segment2D_Intersection[1].Distance(tuple_Intersection.Item1) < maxDistance)
{
segment2D_Temp = new Segment2D(segment2D_Intersection);
segment2D_Temp.Adjust(tuple_Intersection.Item1);
if (!segment2D_Temp.AlmostSimilar(segment2D_Intersection) && segment2D_Temp.GetLength() > segment2D_Intersection.GetLength())
{
tupleList[j] = new Tuple <Autodesk.Revit.DB.Wall, Segment2D, List <int>, bool>(tupleList[j].Item1, segment2D_Temp, tupleList[j].Item3.FindAll(x => x != segment2D_Temp.GetEndIndex(tuple_Intersection.Item1)), true);
}
}
segment2D_Temp = new Segment2D(segment2D);
segment2D_Temp.Adjust(tuple_Intersection.Item1);
if (segment2D_Temp.AlmostSimilar(segment2D))
{
continue;
}
tupleList[k] = new Tuple <Autodesk.Revit.DB.Wall, Segment2D, List <int>, bool>(tuple.Item1, segment2D_Temp, tuple.Item3.FindAll(x => x != index), true);
updated = true;
break;
}
if (updated)
{
break;
}
}
}
tupleList.RemoveAll(x => !x.Item4);
//Updating Revit Walls
foreach (Tuple <Autodesk.Revit.DB.Wall, Segment2D, List <int>, bool> tuple in tupleList)
{
Autodesk.Revit.DB.Wall wall = tuple.Item1;
if (!wall.IsValidObject)
{
continue;
}
Segment2D segment2D = tuple.Item2;
if (segment2D.GetLength() < tolerance)
{
wall.Document.Delete(wall.Id);
continue;
}
LocationCurve locationCurve = wall.Location as LocationCurve;
JoinType[] joinTypes = new JoinType[] { locationCurve.get_JoinType(0), locationCurve.get_JoinType(1) };
WallUtils.DisallowWallJoinAtEnd(wall, 0);
WallUtils.DisallowWallJoinAtEnd(wall, 1);
Segment3D segment3D = new Segment3D(new Point3D(segment2D[0].X, segment2D[0].Y, keyValuePair.Key), new Point3D(segment2D[1].X, segment2D[1].Y, keyValuePair.Key));
Line line = Geometry.Revit.Convert.ToRevit(segment3D);
locationCurve.Curve = line;
WallUtils.AllowWallJoinAtEnd(wall, 0);
locationCurve.set_JoinType(0, joinTypes[0]);
WallUtils.AllowWallJoinAtEnd(wall, 1);
locationCurve.set_JoinType(1, joinTypes[1]);
result.Add(tuple.Item1);
}
}
return(result);
}