Well, we cross checked the point x and y value and they should fit... we used ArcGIS to check the zone and, on the NAD83, the coordinate " make senses " for the zone...
GPS is a pretty loose term. It stands for Global Positioning System, but the way you are using it is in reference to a reciever unit. The coordinates that you have in xyz could be anything, state plane, assumed, etc. It depends on what system the field software was set to use or export to.
Well, I'd verify that the drawing has the appropriate state plane system set under drawing settings and try importing again. Can you post the files?
But now am thinking that the problem might come from the hypsometric data. The shape file was created with ArcGis 9.3.1. Maybe there is a comptability issue with C3D-2013 ?
Because, when we use the ArcMap tools, the point and the hypso falls in good agreement !! (in MTM-6 ).
Civil 3D doesn't always speak the same coordinate zone language as ArcMap. You might need to manually set the cooridinate system when you import the shapefiles into Civil 3D. If you don't see the right zone appear when you import, click on the edit coordinate systems button and choose the right one.
After you've verfied the metadata and the coordinate systems are correct you must then create the two files (an Ian spoke of in an earlier post) and then query them together using the Map 3D tools. To better understand this here is a short (30-minute) video that shows you how to import and query in hyspo data, image data, DGN data, and shape files into one drawing and have them all come into the correct coordinate system. Sorry but I made this video for our clients here in the Austin, TX, area but the concept should work for any part of the country.
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