Forums >> Revit Building >> Technical Support >> Export a CSV file (X,Y,Z coordinated) for a toposurface from Revit?

Fryingpanman

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Joined: Mon, Sep 15, 2014
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Revit ver.  2023.

I've always imported CSV files from Land-surveyors to create accurate toposurfaces; but this time a land-surveyor needs a CSV file from me, as I've modified his toposurface to suit my project.

It seems Revit can only export a CSV file from schedules. Does anyone know if it's possible to export a site / toposurface as a CSV points file (with the X,Y & Z coordinates)? Or perhaps if it's possible to create a schedule with a list of all points, to export as a CSV file?

Thanks in advance!

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WWHub

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Joined: Tue, May 16, 2006
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I have some things to think about but can not test ideas. 

Note that all topo drawings are created from interpolated points.  The triangulation edges for "Toposurfaces" are turned off by default.  If you turn those off, you will see the points created by Revit to create their topo lines.  But do you want to use those points?

For ease of surveying, the surveyor divdes the site into a grid with points at the grid intersections.  Then special off grid points like items located on the site like power poles, corners of buildings - etc.  That is what thier csv file is created from.  If you create a csv file based on arbitrary points made from contour lines, this may be harder to create in the field.  (May not be true for 3d computer controlled equipment.  ????) 

Obviously you created your Revit topo from an existing csv file.  Then you added new points to modify that.  Could it be that you only have to edit that existing file with your new points?  ... and deleting some existing points?   That may be an easier process.

I do see some possibilities useg dynamo but you would need to understand that.

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shevaandrej97

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