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Unable to create correct Toposurface from Autocad dwg

6 ANTWORTEN 6
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Nachricht 1 von 7
sulejmanmurati
531 Aufrufe, 6 Antworten

Unable to create correct Toposurface from Autocad dwg

As you can see on the attached file, Revit does not generate the correct toposurface from the Autocad file, it comes flat without any difference of height. Any idea why this happens?

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Nachricht 2 von 7
syman2000
als Antwort auf: sulejmanmurati

Did you import it from PDF? PDF import will keep those line flat. Your option is to manually add in topo points.

Check out my Revit youtube channel - https://www.youtube.com/user/scourdx
Nachricht 3 von 7
barthbradley
als Antwort auf: sulejmanmurati



@sulejmanmurati wrote:

As you can see on the attached file, Revit does not generate the correct toposurface from the Autocad file, it comes flat without any difference of height. Any idea why this happens?


 

Because the DWG IS Flat. There is no 3D linework to extrapolate a Toposurface from.  You can also create a Toposurface from a x,y,z point file (CSV or TXT), if one can be provided to you.  

Nachricht 4 von 7
sulejmanmurati
als Antwort auf: syman2000

Yes, I imported it from Pdf into Autocad. If there is no other way, I will do it manually. Thank you

Nachricht 5 von 7
barthbradley
als Antwort auf: sulejmanmurati


@sulejmanmurati wrote:

Yes, I imported it from Pdf into Autocad. If there is no other way, I will do it manually. Thank you


 

Yes. Contact the Surveyor and ask for a Point File.  You can create a Revit Toposurface from that Point File.  

 

0r, you can place hundreds of Toposurfce Points manually - placing each Points directly atop those point "marks" shown in the DWG using the Absolute Elevation that is shown for that point in the DWG.  

 

TS Points.jpg

Nachricht 6 von 7
barthbradley
als Antwort auf: sulejmanmurati

Do you have access to the source DWG that the PDF was originally created  from?   Sounds like you may. Import that DWG into Revit.  

Nachricht 7 von 7
sulejmanmurati
als Antwort auf: barthbradley

Unfortunately, I don't. Either I will contact the surveyor or I will do manually every point. Thank you

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