Forums >> Revit Building >> Technical Support >> Topographic surface linked vs. in model

nelrock

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Joined: Mon, Jun 4, 2012
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Hi all,

does anyone know if I will save memory and increase performance if I link my topographic surface instead of having it directly created in the model? Here is my current situation: I have up to three separate buildings on one rather large and somewhat complex topo surface.  One of the buildings is existing and the other two will be new construction.  Originally, I was thinking of having the existing building and topo surface as one file and linking the other two but maybe if I have the topo surface as it's own separately linked file this may help with performance??

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WWHub

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Joined: Tue, May 16, 2006
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We usually have the topo in a seperate file but there is no need to .  When linked in, you can place in its own workset and not load the workset.  << That will improve performance.

With multiple buildings, we keep the topo seperate and have all of the buildings linked into the site and with all of their worksets off except for the shell.

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nelrock

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Awesome!  Thanks for the suggestions.  That sounds like a good way to go about it.  I have limited experience with worksharing so just to clarify a few things...

Each building in this scenario are separate shared files (i.e. the existing building is a shared file with a central and local copies which gets linked into the topo surface file, same thing for all other buildings).  Am I correct in assuming that there is no need to share the topo surface file because once the topo surface is generated, its location is set, and the buildings are linked and positioned properly within the topo surface, there will be minimal editing required on this file?

Assuming all this is correct and following your suggestion, when enabling worksharing on my building files I would set up 3 worksets, for example - shared levels and grids, shell, and interior components or something like that.

One question that just came to mind - say I've finished all my construction documents and I'm ready to print.  I guess I would set up all my sheets from the topo surface file because it's the only one with all the buildings and the topo surface.  Hmmm, maybe it would be good to share this one as well in that case so multiple people can be working on setting up and tweaking the sheets.

Thanks for any advice you might have on this and for your patience!

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WWHub

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You print from your building file because all of the 2D annotations will be in that.... back link the topo into that.

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nelrock

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Right, thanks!

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