Forums >> Revit Building >> Technical Support >> Topography fatal errors

edelong

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Joined: Sun, Feb 3, 2008
15 Posts

Having a lot of trouble with a topography I entered using a existing wacky CAD file of the grading plan.  The CAD file was created with a bunch of layers at different Z values.  I tried flattening the file, purging, and turning things off I didn't need.  When I zoom extents in AutoCAD, only the area I need fills into the screen.  However, when I import it into Revit, it comes in as a little spec in this HUGE crop box...to the point where I can't see it, have to zoom to fit, zoom out a little more, window until I find the crop box, and then resize it WAY down.  In fact, if I don't activate the crop, it won't let me zoom in very far into the drawing. 

 So I started entering my points, came up with the topography, then started in with my foundation walls/pads.  However, when I view it in 3D, its really choppy, and you can see the topography through the walls (even on hidden line setting).  Then, when I click on a wall in the 3D view, it gives me a fatal error. 

 I'm running Architecture 2009 with 3.5 GB of RAM and an upgraded graphics card (don't know the specs, but I was assured it was at least what Revit required).  Any ideas what's going on?  Is it just the crappy CAD file that's screwing it up?  Please help.

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Typhoon

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Joined: Tue, May 22, 2007
5921 Posts

Try to create (in CAD) a "Wblock" with ONLY the elements you need to your topo surface....

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I Hope and I Wish to LEARN  more, and more, and more.... REVIT

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vanesy

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Joined: Sat, Aug 23, 2008
2 Posts
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i ve solved this problem with a pretty mature project (pads, sidewalks, basements, everything) wich i didnt want to go back any steps.

problem was that: whenever i click any mass or wall in 3d view, revit crashes and says fatal eror. by the way some model elements seems wireframe in 3d (no shading).

solution: delete your all existing 3d views and create new camera(s) and newer hit the default {3D} again. easy huh?

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Typhoon

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Joined: Tue, May 22, 2007
5921 Posts

I post this in Dec. 2008: http://www.revitcity.com/forums.php?action=viewthread&thread_id=14067

and this in Feb. 2009: http://www.revitcity.com/forums.php?action=viewthread&thread_id=15118

If you had searched the forum you would have found the answer.

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I Hope and I Wish to LEARN  more, and more, and more.... REVIT

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vanesy

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Joined: Sat, Aug 23, 2008
2 Posts
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it is kinda tricky subject to find keywords to search.

thanks for the links, sorry for the necropost.

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