Surface created by Pasting doesn't honor boundaries of source surfaces

[doni49]

I did a search for this and the most relevant thing I could find was the following thread.  But there was never a resolution and that was for C3D 2009 so I'm hoping it's been fixed.

http://forums.autodesk.com/t5/AutoCAD-Civil-3D/Paste-Surfaces-Civil3D-2009-ignores-surface-boundarie...

I have a surface that was created from my corridor and another that was created using a Grading Object.

Both have boundaries defined.  Then I created a "Proposed Composite" surface and pasted the first two in.  For the most part it looks good.  But at one point, the triangles and contours cross the boundaries.

[doni49]

I set the parking area and boat ramp surfaces to "Border Only" and changed the style to a heavly, light blue line.  Here's a screen shot of the result.  The contours are all from the pasted surface (Proposed Composite).

[Anonymous]

the new composite surface will need its own boundary to remove the new lines created in between the two pasted surfaces.   It is not a bug.   this is the way the program normally works.

when new data is added to a surface, the program tries to connect vertices that are close to each other.