We received a DTM surface along with the topo DGN. Since we are working in Geopak SS2 mainly, we converted the DTM to a TIN file, but when we display the TIN file, it appears as though it has moved about 4' south of where the topo is. When I visualize the DTM using Geopak SS3, it comes in correctly. Any ideas why the conversion to TIN would cause a shift?
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