Typically, when a surface has a concave area, like the inside of the L, we
have to define a surface boundary to prevent triangulation across the
concave area.
Angel Espinoza
KETIV Technologies
"Tobi Yarbrough" wrote in message
news:420b7ea0_1@newsprd01...
> I have a storage pond shaped like an "L". I insert the 3D contours into
> Civil3D, create the surface from the contours, and the surface boundary
> jumps from the far right to the top and does not conform to the "L" shape.
> I get errors saying "Breakline...Not added--crossed a breakline at...". I
> do not quite understand this error. The polylines are all closed and
there
> are no gaps. Any ideas?
>
>