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Forums >> Revit Building >> Technical Support >> Project base point/ Survey Point
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Joined: Tue, Feb 7, 2012
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In revit 2012, how do you work around survey coordinates larger than 30.000? Any information would be helpful. Thanks
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Joined: Tue, Feb 7, 2012
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30,000 that would be
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Joined: Fri, Sep 22, 2006
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What you are saying is that your surveyor is providing you with coordinate points outside the 30000 limit, which may be the limit for Revit. I would ask the surveyor to move the project to a different coodinate set. I personally have not had this happen to me however I have read it somewhere on this site before. Check the info below that might give you some simple advice.
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Joined: Tue, Feb 7, 2012
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Yes, I can get it to work with truncated coordinates. Then we need to be able to get it back to the original coordinates in
AutoCAD. Is there any way to do this as we export it. Thanks for the reply.
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Joined: Fri, Mar 23, 2012
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I have this same problem. Civil origin is outside the 20 mile limit. The file comes in, but it causes problems for rendering linework from these linked files. I thought I had a solution with the AutoCAD base point, but Revit does not recognize the autocad base point.
We are trying to void having to move the civil and landscape files every time we get backgrounds.
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Joined: Tue, May 22, 2007
5921 Posts
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In AUTOCAD open that file and create a WBLOCK, select what you need, now you have a "clean" file to use in Revit
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I Hope and I Wish to LEARN more, and more, and more.... REVIT |
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Joined: Fri, Mar 23, 2012
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Yeah, that is the obvious solution, but I was hoping for an internal Revit solution so I don't have to do the relocation every time since we sometimes receive backgrounds as many as twice a week.
So the official answer is THERE IS NO SOLUTION. I am considering this a bug in Revit that has not yet been resolved.
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Joined: Tue, May 16, 2006
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Publish your coordinates back to your CAD files and have your consultants use that. From your HELP:
Publish Coordinates
When you publish shared coordinates from a host Revit Architecture project to a linked DWG, this changes the linked DWG. The origin of the host Revit Architecture project’s shared coordinate system becomes the origin of a new User Coordinate System (UCS) in the DWG file. The Y axis of the new UCS corresponds to the host project's True North. You can name the UCS when you publish coordinates. It is not recommended that you change this name after publishing coordinates.
To publish coordinates:
- Click Manage tab
 Project Location panelCoordinates drop-down (Publish Coordinates).
- Place the cursor on a linked model instance and click.
- Select a named position from the linked model, and click OK.
See Defining Named Positions.
The linked model file now has the same shared coordinates as the host model file.
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Joined: Fri, Mar 23, 2012
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Unfortunately Civil needs to have their CAD based on an exact X and Y coordinate for construction coordination. They cannot move their 0,0 which is at the heart of the problem. In most cases we could simply used Shared Coordinates, however the shared coordinate would be more than 20 miles from the site which is what is causing the rendering problems in Revit.
To get to the solution what I really need is for Revit to consider Autocad Base points before the 0,0 origin. That's why I said it's a Revit bug. this is something AutoCAD had setup and was working fine between AutoCAD files, but needs to migrate over to Revit now.
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Joined: Tue, May 16, 2006
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Please reread the HELP instructions. 0,0 is NOT moved!
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Yes, I'm aware of that. Thanks though.
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