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Contour line does not appear on autocad civil 3d


SuzanneNg

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I tried to import the survey data from AS5 file directly to AutoCad but to no avail. Then, I converted the AS5 file to CSV file using excel and import the survey data into the AutoCad. The AutoCad produces only points with the elevation. Why the contour lines do not appear? Please assist. TQ.

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Contour lines are a way of viewing a surface. By default, simply importing points will not create a surface and therefore contour lines will not appear.

 

You need to create a surface, add the points you imported, and then create/set a style for the surface that shows the contour lines.

 

If you do this often, create an empty surface in your template drawing, set the style to one that shows contours lines, and add a point group to the surface definition (maybe call it "toposhots"?).

Then when you use this template, you can import the CSV into a point group name that matches whatever you name it ("toposhots"?), and the surface will be built and appear almost automatically. (you may have to update the point groups after the CSV import).

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