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I've received a humungous xml file (1.2Gb) and have eventually created a surface in Civil (1m data point spacing) and I have exported a Geotif (DEM doesn't work in Great Britain Coord System...!!!) with a more manageable 5m data point spacing
I created a surface from the geotiff and need to exchange the surface with another software product but there don't appear to be many options to do this easily. I can't XML the geotiff surface so I have displayed the points and am extracting them to create a dxf file
Is there a better way to do this or is geotiff a very restrictive method for creating and exchanging surfaces?
neilyj (No connection with Autodesk other than using the products in the real world)
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AEC Collection 2024 UKIE (mainly Civil 3D UKIE and IW)
Win 11 Pro x64, 1Tb Primary SSD, 1Tb Secondary SSD
64Gb RAM Intel(R) Xeon(R) W-11855M CPU @ 3.2GHz
NVIDIA RTX A5000 16Gb, Dual 27" Monitor, Dell Inspiron 7760
Have you considered exploding your surface so that you get the TINN Lines. I think Jeff, posting a process some time ago about how to extract the TINN lines from a C3D surface. That might work if the other software can create a surface from the linework.
Rick Jackson
Survey CAD Technician VI
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If the second software needs a vector drawing, I'd go with contours, just because the number of 3Dfaces would be inacceptable...
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