///<summary> /// Implement this method as an external command for Revit. /// </summary> /// <param name="commandData">An object that is passed to the external application /// which contains data related to the command, /// such as the application object and active view.</param> /// <param name="message">A message that can be set by the external application /// which will be displayed if a failure or cancellation is returned by /// the external command.</param> /// <param name="elements">A set of elements to which the external application /// can add elements that are to be highlighted in case of failure or cancellation.</param> /// <returns>Return the status of the external command. /// A result of Succeeded means that the API external method functioned as expected. /// Cancelled can be used to signify that the user cancelled the external operation /// at some point. Failure should be returned if the application is unable to proceed with /// the operation.</returns> public Autodesk.Revit.UI.Result Execute( Autodesk.Revit.UI.ExternalCommandData commandData, ref string message, Autodesk.Revit.DB.ElementSet elements) { Autodesk.Revit.UI.UIApplication revit = commandData.Application; ElementSet collection = revit.ActiveUIDocument.Selection.Elements; // check user selection if (collection.Size < 1) { message = "Please select object(s) before delete."; return Autodesk.Revit.UI.Result.Cancelled; } bool error = true; try { error = true; // delete selection IEnumerator e = collection.GetEnumerator(); bool MoreValue = e.MoveNext(); while (MoreValue) { Element component = e.Current as Element; revit.ActiveUIDocument.Document.Delete(component); MoreValue = e.MoveNext(); } error = false; } catch { // if revit threw an exception, try to catch it foreach (Element c in collection) { elements.Insert(c); } message = "object(s) can't be deleted."; return Autodesk.Revit.UI.Result.Failed; } finally { // if revit threw an exception, display error and return failed if (error) { MessageBox.Show("Delete failed."); } } return Autodesk.Revit.UI.Result.Succeeded; }
/// <summary> /// Test whether each room has a roof to bound it. /// </summary> /// <param name="message">Error message to be dumped.</param> /// <param name="elements">Some elements to return.</param> /// <returns></returns> private bool FindRoomBoundingRoofs(ref string message, Autodesk.Revit.DB.ElementSet elements) { // Get all rooms List<Element> rooms = GetRoomsElements(); if (rooms.Count == 0) { message = "Unable to identify any rooms, please create room first!"; return false; } // Represents the criteria for boundary elements to be considered bounding roofs LogicalOrFilter categoryFilter = new LogicalOrFilter(new ElementCategoryFilter(BuiltInCategory.OST_Roofs), new ElementCategoryFilter(BuiltInCategory.OST_RoofSoffit)); // Calculator for room/space geometry. SpatialElementGeometryCalculator calculator = new SpatialElementGeometryCalculator(m_document); // Stores the resulting room->roof relationships Dictionary<Element, List<ElementId>> roomsAndRoofs = new Dictionary<Element, List<ElementId>>(); foreach (Element room in rooms) { // Get room geometry & boundaries SpatialElementGeometryResults results = calculator.CalculateSpatialElementGeometry((SpatialElement)room); // Get solid geometry so we can examine each face Solid geometry = results.GetGeometry(); foreach (Face face in geometry.Faces) { // Get list of roof boundary subfaces for a given face IList<SpatialElementBoundarySubface> boundaryFaces = results.GetBoundaryFaceInfo(face); foreach (SpatialElementBoundarySubface boundaryFace in boundaryFaces) { // Get boundary element LinkElementId boundaryElementId = boundaryFace.SpatialBoundaryElement; // Only considering local file room bounding elements ElementId localElementId = boundaryElementId.HostElementId; // Evaluate if element meets criteria using PassesFilter() if (localElementId != ElementId.InvalidElementId && categoryFilter.PassesFilter(m_document, localElementId)) { // Room already has roofs, add more if (roomsAndRoofs.ContainsKey(room)) { List<ElementId> roofs = roomsAndRoofs[room]; if (!roofs.Contains(localElementId)) roofs.Add(localElementId); } // Room found first roof else { List<ElementId> roofs = new List<ElementId>(); roofs.Add(localElementId); roomsAndRoofs.Add(room, roofs); } break; } } } } // Format results if (roomsAndRoofs.Count > 0) { String logs = String.Format("Rooms that have a bounding roof:"); message += logs + "\t\r\n"; Trace.WriteLine(logs); foreach (KeyValuePair<Element, List<ElementId>> kvp in roomsAndRoofs) { // remove this room from all rooms list rooms.Remove(kvp.Key); List<ElementId> roofs = kvp.Value; String roofsString; // Single roof boundary if (roofs.Count == 1) { Element roof = m_document.get_Element(roofs[0]); roofsString = String.Format("Roof: Id = {0}, Name = {1}", roof.Id.IntegerValue, roof.Name); } // Multiple roofs else { roofsString = "Roofs ids = " + string.Join(", ", Array.ConvertAll<ElementId, string>(roofs.ToArray(), i => i.ToString())); } // Save results logs = String.Format( " Room: Id = {0}, Name = {1} --> {2}", kvp.Key.Id.IntegerValue, kvp.Key.Name, roofsString); message += logs + "\t\r\n"; Trace.WriteLine(logs); } } // Format the rooms that have no bounding roof Trace.WriteLine("Geometry relationship checking finished..."); if (rooms.Count != 0) { String logs = String.Format("Below rooms don't have bounding roofs:"); message += logs + "\t\r\n"; Trace.WriteLine(logs); foreach (Element room in rooms) { elements.Insert(room); logs = String.Format(" Room Id: {0}, Room Name: {1}", room.Id.IntegerValue, room.Name); message += logs + "\t\r\n"; Trace.WriteLine(logs); } } return true; }
/// <summary> /// Implement this method as an external command for Revit. /// </summary> /// <param name="commandData">An object that is passed to the external application /// which contains data related to the command, /// such as the application object and active view.</param> /// <param name="message">A message that can be set by the external application /// which will be displayed if a failure or cancellation is returned by /// the external command.</param> /// <param name="elements">A set of elements to which the external application /// can add elements that are to be highlighted in case of failure or cancellation.</param> /// <returns>Return the status of the external command. /// A result of Succeeded means that the API external method functioned as expected. /// Cancelled can be used to signify that the user cancelled the external operation /// at some point. Failure should be returned if the application is unable to proceed with /// the operation.</returns> public Autodesk.Revit.UI.Result Execute(Autodesk.Revit.UI.ExternalCommandData commandData, ref string message, Autodesk.Revit.DB.ElementSet elements) { Autodesk.Revit.UI.UIApplication revit = commandData.Application; m_revit = revit; RotateFramingObjectsForm displayForm = new RotateFramingObjectsForm(this); displayForm.StartPosition = FormStartPosition.CenterParent; ElementSet selection = revit.ActiveUIDocument.Selection.Elements; bool isSingle = true; //selection is single object bool isAllFamilyInstance = true; //all is not familyInstance // There must be beams, braces or columns selected if (selection.IsEmpty) { // nothing selected message = "Please select some beams, braces or columns."; return Autodesk.Revit.UI.Result.Failed; } else if (1 != selection.Size) { isSingle = false; try { if (DialogResult.OK != displayForm.ShowDialog()) { return Autodesk.Revit.UI.Result.Cancelled; } } catch (Exception) { return Autodesk.Revit.UI.Result.Failed; } // return Autodesk.Revit.UI.Result.Succeeded; // more than one object selected } // if the selected elements are familyInstances, try to get their existing rotation foreach (Autodesk.Revit.DB.Element e in selection) { FamilyInstance familyComponent = e as FamilyInstance; if (familyComponent != null) { if (StructuralType.Beam == familyComponent.StructuralType || StructuralType.Brace == familyComponent.StructuralType) { // selection is a beam or brace string returnValue = this.FindParameter(AngleDefinitionName, familyComponent); displayForm.rotationTextBox.Text = returnValue.ToString(); } else if (StructuralType.Column == familyComponent.StructuralType) { // selection is a column Location columnLocation = familyComponent.Location; LocationPoint pointLocation = columnLocation as LocationPoint; double temp = pointLocation.Rotation; string output = (Math.Round(temp * 180 / (Math.PI), 3)).ToString(); displayForm.rotationTextBox.Text = output; } else { // other familyInstance can not be rotated message = "It is not a beam, brace or column."; elements.Insert(familyComponent); return Autodesk.Revit.UI.Result.Failed; } } else { if (isSingle) { message = "It is not a FamilyInstance."; elements.Insert(e); return Autodesk.Revit.UI.Result.Failed; } // there is some objects is not familyInstance message = "They are not FamilyInstances"; elements.Insert(e); isAllFamilyInstance = false; } } if (isSingle) { try { if (DialogResult.OK != displayForm.ShowDialog()) { return Autodesk.Revit.UI.Result.Cancelled; } } catch (Exception) { return Autodesk.Revit.UI.Result.Failed; } } if (isAllFamilyInstance) { return Autodesk.Revit.UI.Result.Succeeded; } else { //output error information return Autodesk.Revit.UI.Result.Failed; } }