Lundgren Posted July 20, 2015 Posted July 20, 2015 Hi! I need to determine som earthwork volumes for a project, but I just started to use Civil 3D. First of all, I got som contour 2D polylines with elevations attached. I have tried to make a surface of the existing ground, by trimming down these contourlines according to a boundary line. Here is what my surface look like, I think it looks awful. I have tried to follow some of these tutorial guides on youtube, but can someone please explain me what I have done wrong? Quote
SLW210 Posted July 20, 2015 Posted July 20, 2015 I moved your thread to the Civil 3D & LDD Forum, please post Civil 3D related questions there. Quote
tombu Posted July 20, 2015 Posted July 20, 2015 Keep in mind contours are great for displaying a surface in 2D, but not the most accurate way to define a surface. How was the project created? Quote
sandiegophil Posted July 21, 2015 Posted July 21, 2015 it looks like your contours have a thickness as well. If you change the thickness of all the polylines to "zero" do they still reside at the correct elevation? Quote
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