topic Renaming Walls Names in Revit in Revit API Forum

Renaming Walls Names in Revit

cbengaaa — Wed, 29 Nov 2023 21:43:04 GMT

Hello everyone, I am a Civil Engineer who just started to learn programming and RevitAPI

I may be still a bit confused about Revit hierarchy system of Elements (Would be nice if a someone refers me a good resource to understand it)

I've made a similar plugin for Columns and it worked [Check Photo], but when I tried to do so with Walls I get errors [Check Photo of Error]

I wrote down my code
NOTE: All Application and Document is pre-defined and References attached

When I tried to debug the process the Exception appears to be in line: 20

Thank you in advance

TransactionGroup caseWall = new TransactionGroup(doc, "Renaming Wall Types"); { caseWall.Start(); FilteredElementCollector wallCollector = new FilteredElementCollector(doc); ElementCategoryFilter wall = new ElementCategoryFilter(BuiltInCategory.OST_Walls); List<Element> listofwalls = wallCollector.OfClass(typeof(Wall)).WherePasses(wall).ToList(); List<Wall> listofwallsWalls = new List<Wall>(); Transaction trnWall = new Transaction(doc, "Renaming Walls"); { trnWall.Start(); foreach (Element wt in listofwalls) { try { if ((wt as Wall).StructuralUsage.ToString() == "Bearing" && (wt as WallType).Kind.ToString() == "Basic") { double width = (wt as Wall).Width * 0.30; //Convert to Meters string actualName = wt.Name; string newName; newName = actualName + $"{(width)}"; } else { gm.ShowTask($"WallId Failed: {(wt as Wall).Id}\n Wall Name Failed: {(wt as Wall).Name} "); } } catch (Exception ex) { gm.ShowTask(ex.Message); } } trnWall.Commit(); } caseWall.Assimilate(); }

Re: Renaming Walls Names in Revit

Mohamed_Arshad — Thu, 30 Nov 2023 04:58:08 GMT

HI @cbengaaa

To rename the wall you have choose the WallType.Name, I have modified your code to achieve the functionality. Kindly refer the below code

Reference Code:

TransactionGroup caseWall = new TransactionGroup(doc, "Renaming Wall Types"); { caseWall.Start(); FilteredElementCollector wallCollector = new FilteredElementCollector(doc); ElementCategoryFilter wall = new ElementCategoryFilter(BuiltInCategory.OST_Walls); List<Element> listofwalls = wallCollector.OfClass(typeof(Wall)).WherePasses(wall).ToList(); List<Wall> listofwallsWalls = new List<Wall>(); Transaction trnWall = new Transaction(doc, "Renaming Walls"); { trnWall.Start(); foreach (Element wt in listofwalls) { Wall _wall = wt as Wall; //Converting Element to Wall try { if (_wall.StructuralUsage==StructuralWallUsage.Bearing && _wall.WallType.Kind == WallKind.Basic) //Using Enum for Checking dont't convert to string { double width = _wall.Width / 3.2808399; //Convert to Meters (To Convert feet to meter need to divide 3.2808399) string actualName = wt.Name; string newName; newName = actualName + $"({width})"; //Brackets should be outside the curlybraces //Set New Name to Wall Type _wall.WallType.Name = newName; } else { gm.ShowTask($"WallId Failed: {(wt as Wall).Id}\n Wall Name Failed: {(wt as Wall).Name} "); } } catch (Exception ex) { gm.ShowTask(ex.Message); } } trnWall.Commit(); } caseWall.Assimilate(); }

Reference Image:

Note : Use Math.Round to control the precision.

Links to Learn Revit API

https://spiderinnet.typepad.com/

https://thebuildingcoder.typepad.com/

https://www.autodesk.com/autodesk-university/class/Revit-Programming-Beginners-Easily-Access-Revit-API-Using-Free-Tools-2018

https://www.autodesk.com/support/technical/article/caas/tsarticles/ts/7I2bC1zUr4VjJ3U31uM66K.html

Video Tutorials

https://youtube.com/playlist?list=PLlyMZ5IcKcci1TvB4qM9S8J-RKp0DhVWO&si=N_G9KYKvXjA3oxLP

Hope this will helps 🙂

Re: Renaming Walls Names in Revit

cbengaaa — Thu, 30 Nov 2023 17:16:21 GMT

thank you so much, you are the best!

I guess I still need a little dive into Revit API to get it correctly.