Diameter Dimensions with Revit API

[dev-medo]

Hello,

I have searched the forum and the API documentation and could not find a way to create a diameter dimension on a revit regular document. I know there is a function for diameter dimensions for family documents but I was wondering how diameter dimensions can be created in a regular document.

[jeremytammik · Accepted solution]

This functionality has been requested a number of times in the discussion forum:

• https://forums.autodesk.com/t5/revit-api-forum/how-to-create-dimension-on-circular-curve/m-p/8034755
• https://forums.autodesk.com/t5/revit-api-forum/diameter-dimensions-with-revit-api/m-p/9209398
• https://forums.autodesk.com/t5/revit-api-forum/creating-angular-radial-dimensions-using-revit-api/m-...
• https://forums.autodesk.com/t5/revit-api-forum/how-to-create-non-linear-dimensions-in-project-docume...

Please vote for the wish list item in the Revit Idea Station:

• API Create Arc Length and Radial Dimensions
  https://forums.autodesk.com/t5/revit-ideas/api-create-arc-length-and-radial-dimensions/idi-p/7003021

Best regards,

Jeremy

[dev-medo]

Thanks @jeremytammik for your response and I have voted for the idea you mentioned. have a nice day. 🙂  

[lingchris]

public static AngularDimension Create(
Document document,
View dbView,
Arc arc,
IList<Reference> references,
DimensionType dimensionStyle
)
The AngularDimension.Value is Angular.How do I create arc length AngularDimension? AngularDimension.DimensionShape is readOnly.I have searched the document for a long time and still haven't found a way

[jeremy_tammik]

The first step to finding out is normally to create the desired object manually through the end user interface and analyse the resulting database representation and relationships using RevitLookup and other tools:

https://thebuildingcoder.typepad.com/blog/2017/01/virtues-of-reproduction-research-mep-settings-onto...

Another first step might be to search the Internet, e.g., for something like "revit api create angular dimension":

https://duckduckgo.com/?q=revit+api+create+angular+dimension

That turns up a useful result. Lo and behold, it is right here in this forum:

https://forums.autodesk.com/t5/revit-api-forum/creating-angular-radial-dimensions-using-revit-api/td...

Oh dear, the news does not look good, at least not back in 2019. Apparently, this is not possible programmatically, or we don't know how, and there is an open wish list entry for it:

https://forums.autodesk.com/t5/revit-api-forum/creating-angular-radial-dimensions-using-revit-api/td...

It has 34 votes so far and needs more, so please vote for it as well.

And, to complete the list of options before raising a question: search the Internet, search this forum, search the Revit Idea Station, ...

Sorry I cannot provide an immediate solution for you.