Forums >> Revit Building >> Technical Support >> Dimensions

Jamie351

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Joined: Mon, May 23, 2011
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Is there an easy way to to lie on a dimension value. Say its 938 and I want it to be 940 without changing the actual wall length as that will disrupt another dimension. Thanks.

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WWHub

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One of the advantages of Revit is it doesn't like you to lie.... That forces you to model correctly and that is my preferred answer.  If modeling correctly and this dimension changes another dimension, isn't that correct? 

There are some occasions where there are variables.  In those cases, you can add a prefix to your dimension like +/- 940.  That would indicate the model may not be correct to the user and still show the dimension you want.

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MadHaka

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Hi WWHub. Neat trick that +/- value for approximate dimensions.

Will back you up on the fact that fudging must be avoided absolutely.

Causes all sorts of problems you couldn't imagine further down the line.

The strength and flexibility of a rigorous model is something well worth

going the extra mile for. Those that go that way will appreciate with time .

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itsmyalterego

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Joined: Thu, May 28, 2009
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There are -some- cases where you actually need to lie.  For example, a detail, dimensioning across break lines.  Or, dimensions to a representational object for clarification. 

Anyway -- the way to lie, is to override the text of the dimension.  But if you try to put a clean dimension value in there, it'll spit in your face, and tell you no. Even if you put a space in front of the dimensions, it'll kick it back, telling you to stop being a liar. 

So if you want to teach it who's the operator and who's the software, right click in the "replace with" text field, select "insert unicode control character"   And at the bottom, pick "unit separator"

It'll insert a non-character... not even a space, which will trick revit into letting you lie with dimension overrides.  Hope that helps. 

EDIT:  i actually read your post.  You can make a new STYLE of dimension, Jamie, one that rounds to the nearest decimeter.  In my projects, I use three types of dimensions. I have a dimension called "MEGA ACCURATE"  (real mature, huh)  which measures to the nearest 1/256th of an inch, and this is what I use in my working views to know that everything is -perfect-.

On my plans, the ones on sheets, I have a different dimension type which rounds to the nearest quarter inch. For the 3rd type -- which I use in details, I have a dimension type that rounds to the nearest 1/16th inch, and suppresses zero feet, so, I get (1 1/4")  instead of (0' - 1 1/4")

I'm sure metric is an improvement over dimensions... imperial sucks for that. 

you can edit dimension types in the property bar, scroll down in porperties to "units format" button.

hope that helps. 

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Jamie351

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Joined: Mon, May 23, 2011
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Thanks heaps for your help guys. I do like my model to be accurate just a dimension that isnt important isnt a round number and that drives me nuts. Sounds complicated in Imperial you guys need to get on the Metric system no fractions.  Worked perfectly thanks again for your help much appreciated. Might set up a few different dimension styles aswell..

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MadHaka

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Hi Jamie

Just out of curiosity, where are you practicing; that they speak English and use metric.

The Canadians are legally and officially metric, but they all use imperial which they call standard.

I was involved in a barn project in NZ with interlocking timbers, and they used the metric system,

but they used millimeters for everything, which in architecture gives you curiously large numbers.

In Europe and South America they use meters and centimeters, or meters with 2 decimal points,

which is my preference. They just scratch their heads at a plan with a room 6538mm by 4562mm.

                                                                                                                          Guy

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Jamie351

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Hey Guy,

Im in Australia and everything is in millimeters 4500mm X 3500mm you get used to the larger dimensions guess I dont know any different. Inches seems very annoying with the fractions. Everything in the building trade here is in millimeters. I guess its what you are used to. Although something like what you are doing is fine just the imperial system is just so old they need to update.

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MadHaka

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Yup

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ArcWelding

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This has helped tremendously.

Somewhere along the line, some one screwed something up. They rounded a fraction one too many times, or too big a number was neglected...something.  Anyways, in some minor parts, things aren't adding up.  All my dimensions are correct, yet here I am.

The right click insert unicode worked like a charm.

In an industry where money matters, both client and employer care little and less about the model being/looking a few inches 'off '. What matters is: is it structurally sound, what are the measurements (free of numeric errors, hence the reason I'm here), is it to code, how long will the project tkae, and how much does it/will it cost (client satisfaction is also important).

Thank You for the Help! :D

Also, I agree, we need some measurement changes. It doesn't have to be metric, but somewhere along the line, something needs to change. Ugh.

Also important you specify in the Dimension notes (or somewhere relevant) that its not to scale.

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