While working in a drawing with civil 3D points and a surface created from those points, once in a while the contours will disappear. The contours disappear during any number of different commands, so it doesn't seem to be linked to a specific set of commands. If we save the drawing, close it, and then open it back up the contours are there with no problems. I was wondering if anyone else has encountered this, and if so is there a fix for it beyond closing and reopening the drawing. We are using Civil 3D 2010 in our office, and all of the current updates.
Yes the contours stay vanished after regenerating the drawing. In regards to the PLAN command, I'll have to give that a try the next time it happens.
We used to have the same problem in 2010.
Save, close, reopen was the same workaround we used too.
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