Forums >> Revit Building >> Technical Support >> Annotation scaling within Familes

ayuda42

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Joined: Fri, Sep 21, 2012
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First, I apologize if this is in the wrong section, but considering it's a family question I figured I'd try it here.

So I downloaded a ceiling diffuser family from a vendor. They use arrows to annotate flow direction, and I'd like to change it to blacked out triangles within the diffuser to indicate that a direction will not be receving flow.

I went into the family of the diffuser, and then edited the arrow family itself. The arrow family was being imported into the CD family as a "generic annotation". I tried editing the arrow family to match the size of the diffuser - an isocoles right triangle with a 2ft hypotenuse (diffusers are 24"x24").

Loaded into CD family, this blew up as something like an 8' hypotenuse, completely masking the CD.

Re-edited the arrow family to a 1" (i think) hypotenuse, worked fine in the CD family, all was well.

Loaded CD family into the .rvt model, same issue of scaling came up. 2ft black triangle has been scaled up to 8ft.

I can't figure out what is causing this. I'm sure it's an annotative thing. I will mention that I also tried making another family to import as a detail component and had trouble getting any "visibility tickboxes" to show up within the CD family itself.

Any help/comments would be appreciated.

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ayuda42

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Joined: Fri, Sep 21, 2012
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Forgot to mention, using MEP 2012.

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AbsoluteBIM

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Joined: Fri, Jun 17, 2011
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your on the right track. the generic annoation is supposed to remain a certain size when printed so it'll appear to change size based on scale. You'll want to create a detail component for your triangle and load it in. Associate its size parameter with the size of the diffuser. Then create a visibility parameters. maybe copy the traingle four times then create four different instance parameters (we use N,E,S,W) so you can symbollically illustrate which directions will be closed.

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ayuda42

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Joined: Fri, Sep 21, 2012
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Aha! Thank you!

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