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Forums >> Revit Building >> Technical Support >> Families: 2D vs. 3D
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Joined: Mon, Apr 28, 2008
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I'm working on a large project where we have a single family that can be placed close to 500+ times. We only need to see the family in 2D views. Do we save any memory by having the family as symbolic lines vs a 3D model? I know that it's reccommended to use symbolic lines in floor plan views to save regeneration times, so would this apply to all views if it only needs to be 2D? Thanks!
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We use 2 1/2 D families wherever we can for non-building components. .... 2 1/2 D = 2D plan + 2 D elevation and sometimes 3D for model views.
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Yes, if you only need 2D, then only display in 2D.
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best regards, coreed,aia bmpArchitects,Inc. "Revit has to be implemented, Not installed." Long Live Revit |
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Is there any documentation from AU or AutoDesk that 2D is the better solution?
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coreed - looks like our answers were not good enough... ttiefenbach - I suggest you search the AutoDESK site for your answer becuase nobody here will know without looking there. We only speak from experience and can not speak for AutoDESK.
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Please don't be offended, I'm suggesting the same as you have. However, we have someone in our office who belives that should ALWAYS be 3D, but since our revit model is already 220MB, plus Structural, MEPFP and the Existing Building as Revit links, I find it unneccassary to add more weight than neccassary to the model. I was simply hoping to get some documentation to prove this is the best method. Your input confirms my thoughts, but it won't be enough to the person I'm trying to prove my point to. I will check the AutoDesk site to see if they have anything more. Thanks!!
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I did find something on the AUGI website where an AutoDesk employee has stated the same thing, which I pasted below. Hopefully, this post, plus coreed and WWHub's responses is enough to settle this argument in our office. Thanks for your help! Quote: Originally Posted by DaveP Is there truly an advantage in making 2D families with Making Regions over pure 3D Families?If all of your families were pure 3d geometry you would probably see a performance impact. Symbolic linework requires less CPU overhead to display.__________________-- Jeff HansonRevit Architecture Subject Matter ExpertAutodesk AEC User Experience TeamManchester, NH
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" Please don't be offended, I'm suggesting the same as you have. However, we have someone in our office who belives that should ALWAYS be 3D, but since our revit model is already 220MB, plus Structural, MEPFP and the Existing Building as Revit links, I find it unneccassary to add more weight than neccassary to the model. I was simply hoping to get some documentation to prove this is the best method. Your input confirms my thoughts, but it won't be enough to the person I'm trying to prove my point to. I will check the AutoDesk site to see if they have anything more. Thanks!! " i think it is best to let this person learn from trail by fire. there are several Webcast at Autodesk University by leading companies that deal with this issue. you should be able to find what you need there. Why would you place hundreds of 3d objects and you have no plans to use them dowmstream or for interior rendering etc. to me the only proof you need is comman sense. let this guy learn the hard way, and he will. i hope he's up on a lot the techiques used when working with large files. he going to need them. hth
Edited on: Tue, May 11, 2010 at 2:10:46 PM
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best regards, coreed,aia bmpArchitects,Inc. "Revit has to be implemented, Not installed." Long Live Revit |
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