Hi all, Apologies if this is in the wrong thread. I'm new to ArcGIS and a project has landed on my desk. I need to map xyz bathymetry data. The files have the following extensions. *.dat *.ddf *.des *.dfn Does anyone have suggestions as to how to get these files into Arcmap 10.1? Do I need to take the dat file and convert to csv or txt and use add data xy? The files are huge with over a million points... Any help would be greatly appreciated. Best regards
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