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Forums >> Revit Building >> Technical Support >> NAD83 Elevation data into topography surface??

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Tue, Jan 11, 2022 at 4:17:27 PM | NAD83 Elevation data into topography surface??

#1

cmiles


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Joined: Wed, Mar 24, 2021
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Hi, I am trying to do a preliminary solar/view study on a friend's property (pre survey) and I managed to get data in this format (also in .csv) from the Canadian gov't:

  • Data source : Canadian Digital Elevation Model
  • Product(s) : Digital Elevation Model, Shaded relief, Slope map, Point data
  • Output format : DEM : GEOTIFF, Derived Products : GEOTIFF, Point Data : XYZ
  • Reference coordinate system : NAD83(CSRS) (EPSG:4617)
  • Resolution : 0.75 arc seconds

Is there any way to convert this into what is required to make a toposurface in Revit and get it into the correct location (roughly).

A million thanks if anyone can help me with this!

-Connor


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Tue, Jan 11, 2022 at 9:28:42 PM | NAD83 Elevation data into topography surface??

#2

WWHub


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Joined: Tue, May 16, 2006
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If you have it in csv, you should be able to import it.  Check this out: https://forums.autodesk.com/t5/revit-architecture-forum/importing-csv-topo-file-to-revit/td-p/3310295  there is more information elsewhere.


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Mon, Jan 17, 2022 at 3:44:34 PM | NAD83 Elevation data into topography surface??

#3

cmiles


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Thanks, this helped!

 

I found a way to convert the NAD83 to UTM and those coordinates made the topo surface.  Hard to do without GIS but there is a way.


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