/// <summary>
/// The method that allows the user to select walls and creates the floor.
/// </summary>
public void SelectWallsAndCreateFloor()
{
// Initialize the wall selection filter
WallSelectionFilter wallSelectionFilter = new WallSelectionFilter();
// Select the Walls
IList <Reference> references = RevitBase.UIDocument.Selection.PickObjects(Autodesk.Revit.UI.Selection.ObjectType.Element, wallSelectionFilter);
if (references != null && references.Count > 0)
{
// Initialize the original curves list
List <Curve> originalWallCurves = new List <Curve>();
// Initialize the List of original offset distances
List <double> originalOffsets = new List <double>();
// Initialize the list of levels ids
List <ElementId> levelsIds = new List <ElementId>();
foreach (var r in references)
{
// Get the wall element
Wall wall = RevitBase.Document.GetElement(r) as Wall;
if (wall != null)
{
// Add the required offset to the list by dividing the wall width by 2
originalOffsets.Add(wall.Width / 2.0);
// Add the wall curve to the original curves list
originalWallCurves.Add((wall.Location as LocationCurve).Curve);
// Add wall level id to the levels ids list
levelsIds.Add(wall.LevelId);
}
}
if (levelsIds.All(lvl => lvl == levelsIds[0]))
{
// Get the contiguous curves with offsets tuple.
var contiguousCurvesWithOffsetsTuple = CurveHelper.GetContiguousCurvesWithOffsets(originalWallCurves, originalOffsets);
// Get the contiguous curves.
List <Curve> contiguousCurves = contiguousCurvesWithOffsetsTuple.curves;
// Get the contiguous curves.
List <double> contiguousOffsets = contiguousCurvesWithOffsetsTuple.offsets;
// Create a curve loop offset to the contiguous curves.
CurveLoop floorCurves = CurveLoop.CreateViaOffset(CurveLoop.Create(contiguousCurves), contiguousOffsets, new XYZ(0.0, 0.0, 1.0));
// Initialize the curve array
CurveArray curveArray = new CurveArray();
// Append the floor curves in the curve array
foreach (var c in floorCurves)
{
curveArray.Append(c);
}
// Get the walls level
Level level = RevitBase.Document.GetElement(levelsIds[0]) as Level;
using (Transaction transaction = new Transaction(RevitBase.Document, "Create floor from Walls"))
{
transaction.Start();
try
{
//if (SelectedFloorType == null) SelectedFloorType = FloorTypes.First();
// Create the floor
RevitBase.Document.Create.NewFloor(curveArray, SelectedFloorType, level, false);
// Commit the transaction
transaction.Commit();
}
catch (Exception e)
{
// Asssign the error message to the message parameter
RevitBase.Message = e.Message;
// Roll back model changes
transaction.RollBack();
// Assign result to be failed
RevitBase.Result = Result.Failed;
}
}
}
else
{
// Assign result to be failed
RevitBase.Result = Result.Failed;
}
}
else
{
// Assign result to be failed
RevitBase.Result = Result.Failed;
}
// Return result
}
public Result Execute(ExternalCommandData commandData, ref string message, ElementSet elements)
{
// Initialize the result.
Result result = Result.Succeeded;
// Get the active ui document.
UIDocument uIDocument = commandData.Application.ActiveUIDocument;
// Get the document.
Document document = uIDocument.Document;
// Initialize the wall selection filter.
WallSelectionFilter wallSelectionFilter = new WallSelectionFilter();
// Prompt the user to select the walls.
IList <Reference> references = uIDocument.Selection.PickObjects(Autodesk.Revit.UI.Selection.ObjectType.Element, wallSelectionFilter);
if (references != null && references.Count > 0)
{
// Initialize the original curves list.
List <Curve> originalWallCurves = new List <Curve>();
// Initialize the List of original offset distances.
List <double> originalOffsets = new List <double>();
// Initialize the list of levels ids.
List <ElementId> levelsIds = new List <ElementId>();
foreach (var r in references)
{
// Get the wall element.
Wall wall = document.GetElement(r) as Wall;
if (wall != null)
{
// Add the required offset to the list by dividing the wall width by 2.
originalOffsets.Add(wall.Width / 2.0);
// Add the wall curve to the original curves list.
originalWallCurves.Add((wall.Location as LocationCurve).Curve);
// Add wall level id to the levels ids list.
levelsIds.Add(wall.LevelId);
}
}
if (levelsIds.All(lvl => lvl == levelsIds[0]))
{
// Get the contiguous curves with offsets tuple.
var contiguousCurvesWithOffsetsTuple = CurveHelper.GetContiguousCurvesWithOffsets(originalWallCurves, originalOffsets);
// Get the contiguous curves.
List <Curve> contiguousCurves = contiguousCurvesWithOffsetsTuple.curves;
// Get the contiguous curves.
List <double> contiguousOffsets = contiguousCurvesWithOffsetsTuple.offsets;
// Create a curve loop offset to the contiguous curves.
CurveLoop floorCurves = CurveLoop.CreateViaOffset(CurveLoop.Create(contiguousCurves), contiguousOffsets, new XYZ(0.0, 0.0, 1.0));
// Initialize the curve array.
CurveArray curveArray = new CurveArray();
// Append the floor curves in the curve array.
foreach (var c in floorCurves)
{
curveArray.Append(c);
}
// Get the walls level.
Level level = document.GetElement(levelsIds[0]) as Level;
// Name the floor type.
string floorTypeName = "Generic 300mm";
// Collect the floor type to be used.
FloorType floorType = new FilteredElementCollector(document)
.OfClass(typeof(FloorType))
.First <Element>(
e => e.Name.Equals(floorTypeName)) as FloorType;
using (Transaction transaction = new Transaction(document, "Create floor from Walls"))
{
// Start the transaction.
transaction.Start();
try
{
// Create the floor.
document.Create.NewFloor(curveArray, floorType, level, false);
// Commit the transaction and model changes.
transaction.Commit();
}
catch (Exception e)
{
// Asssign the error message to the message parameter.
message = e.Message;
// Roll back model changes.
transaction.RollBack();
// Assign result to be failed.
result = Result.Failed;
}
}
}
else
{
// Assign result to be failed.
result = Result.Failed;
}
}
else
{
// Assign result to be failed.
result = Result.Failed;
}
// Return result.
return(result);
}