Forums >> Revit Building >> Technical Support >> Beginner Parametric Modeling: Alias in Revit '12 for "Veneer Thickness" in 2011?

mylesmcnamara

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Joined: Fri, Dec 16, 2011
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Hi -

I'm learning how to apply basic parametric modeling to a generic window template, using an otherwise excellent PDF tutorial from D|C|CADD. After modeling the void for an opening, when I follow directions to create a "Lintel and Sill Thickness" parameter, the parameter is created, but when I then attempt as directed to enter the term "Veneer Thickness +1" in the formula cell, Revit halts the action with a message that "The following is not a valid family parameter: Veneer Thickness." This leaves me stuck on the tender beginnings of my journey in Revit parametrics. Checked spelling and case-sensitive values... I'm guesssing that there may be a different way to describe "veneer thickness" between publication of this tutorial in 2011, and the current 2012 Revit I'm using.

Any suggestions from someone vastly more experienced tnan I? I wouldn't know what tree to bark up at this stage of my infancy.

Attached is a screenshot of the tutorial (left) and my Revit results (right).

Thanks if anyone can help!

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WWHub

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You have to have Veneer Thickness parameter in there first before doing equation and it is not.

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mylesmcnamara

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Hi to whomever helped me out with this reply -

Sorry for the long time lag in responding -- I let that task cool off for awhile, but am hoping to return to it.

I'm a beginner to parametrics, so I'm not sure how to get a Veneer Thickness parameter in there in the first place (I'm following cues from a tutorial which skips that part). Have you got a minute to give me a nudge in the right direction?

Thanks!

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WWHub

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Read your HELP on parameters.

Also - download the families guide from the autodesk site.

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mylesmcnamara

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Hi WWHUb -

Sounds like it's a pretty basic and fundamental operation that I ought to pull into my own 101. Just downloaded the guide + tutorials and will back up to completing them before I go back to this window task. Thanks for the guidance.

MM

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