The other factor to consider would be if you use a survey database. If I was to export points from this file using a format that specifies GRID north and east then the text file would show those GRID values in it. ![]() If you import or export GRID data (and the Apply Transformation Settings button is turned on) then the transformation and scale factor will be applied as the data moves in or out of your drawing. Notice how the GRID values are very different from the GROUND coordinates. ![]() Here's an example of a drawing that has a scale factor and transformation applied. The coordinate display in Civil3d can also show you the calculated GRID values for points. Points in the drawing will match points in the file. If you import points from a text file and your Import/Export format uses the default headings then the software assumes that file is also GROUND coordinates. In Civil3d the North and East values you see in the drawing are assumed to be GROUND values. That depends on how and where you import the field data.
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