Hide dimensions less than a value without rounding?

[Anonymous]

I know I can use a unicode separator character to give a blank dimension but we often dimension window schedules to the inside of the reveals and use a secondary witness line to further indicate this is the case. 

Obviously doing a bunch of modifications on multiple dimension lines to hide the small reveal thicknesses takes time when you have dozens of windows. It would be nice to know if there was a way to use a formula in the dimension tools rounding box, or any other method of hiding dimensions less than ~20mm without affecting the main dimension. 

[ToanDN]

I would show an enlarged dimension legend to show a dimension pointing to the inside of a reveal and note is as the typical.

[Corsten.Au]

pretty unique query..

On the other hand, have you tried dimensioning entire wall, with options

of opening, wall and grid intersection... takes a click to get these dimensions..

dimensioning correctly and picking elements required seems right way to do it...

Dimension option

[Anonymous]

@ToanDN wrote:
I would show an enlarged dimension legend to show a dimension pointing to the inside of a reveal and note is as the typical.

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Yeah, we have this too. The powers that be have decreed that we also need the double dim on the window/door elevations, too. 

[Anonymous]

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@Corsten.Au wrote:

pretty unique query..

On the other hand, have you tried dimensioning entire wall, with options

of opening, wall and grid intersection... takes a click to get these dimensions..

dimensioning correctly and picking elements required seems right way to do it...

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Those dimension settings aren't available in an elevation. I tried it on a plan and it doesn't pick up the inside jambs. I could rebuild the window family/s to have the reveal line up with the opening, but it still doesn't easily let us output the double dimension at the reveal without all the fussing around we do now. 

[ToanDN]

You may use Dynamo to override dimensions with value less than a certain threshold with a dot. I don't think Unicode Characters are accepted (hang on me when I tried).