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Arc Dimensioning

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I am trying to dimension items along a path.  I am wondering what others would do for this type of dimension.  Basically, the path is made up of different arcs.  See the attached simplified picture.  


Typically I will do things like this with curved stage trussing, but generally, those items are all on an arc that is a consistent angle. I generally use the arc length dimension tool to note where things land on an arc by adding a dummy arc to it and apply the dimension to that arc.  However in this example, I want to dimension point "C" starting from the lower left point like A & B, but the arc changes diameters along the way.  What would be a good way to dimension that distance in other's opinions?




Arc dimensioning.PNG

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You can get the arc length in the OIP.


There is an src length measuring tool in the dimes/notes toolset


You could create a custom Data Stamp.

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Yeah sort of thought about that, but wasn't sure if someone had some sort of cool work around without doing the kind of "pretend" non-associative dimension.  I do dummy dims in perspective views all the time and it just sucks when you update things and they don't update.

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It is but not across multiple arc.......that is my issue.  It doesn't seem to work if I compose them and recognize the base arc.

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I think I would dimension the chord length instead if the arc changes radii and auto-updating was important.




@Kevin Allen's suggestion of using a custom Data Tag is interesting and would work using an objects perimeter data. Here's what that could look like.




It seems to update as you change the arc. File attached below.









Tag Test.vwx

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