Forums >> Revit Structure >> Technical Support >> topo survey AutoCAD to Revit

Allan1983a

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Joined: Mon, Jun 2, 2008
56 Posts
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I have a 2d AutoCAD topo survey drawing that I wish to turn into a 3d Revit Topograph survey.  What is the esiest and quickest way of doing this, I know revit could select it by imported layers but as its 2d this doesnt work! any help would be app ASAP as I need to show the bosses how it can be used!

Cheers

Allan

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Typhoon

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Joined: Tue, May 22, 2007
5921 Posts

Do you have the "Contour Lines" in 3D??? Points in 3D???

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

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Allan1983a

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Joined: Mon, Jun 2, 2008
56 Posts
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Typhoon

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Joined: Tue, May 22, 2007
5921 Posts

"no its all in 2d....... completely flat!!!! lol" - Lol, and now??? are you waiting for a miracle????

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

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Manny

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Joined: Tue, Apr 24, 2007
104 Posts

if you open your 2d in Auto CAD change the elevation for all the countor lines then re-insert.

Once in revit, go to "TOPOSURFACE" TO CREAT IT, INSTEAD OF USING "POINT" USE THE "USE IMPORTED"

THEN "IMPORT INSTANCE" THEN SELECT YOUR CAD FILE THEN A "ADD POINTS FROM SELECTED LAYERS" WINDOW WILL OPEN THERE SELECT THE AUTO CAD LAYERS YOU WANT TO USE FOR YOUR TOPO THAT SHOULD DO THE WORK, BUT DON'T FORGET TO "CHANGE THE Z VALUE IN AUTO CAD FOR IT TO WORK"

SEE ATTACH IMAGE

Attached Images

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autoCAD Survey Plans to 3D Topo

3

Topo Surface from autocad into revit

4

importing topos for a Site Plan

2

Change of Infornation on a Call out Ref and Easting/Northings on a Topo survey

3

Importing AutoCAD topo 3D lines

1