Frank BostonRECOMMENDATIONS
Note that saving a clip boundary using the method outlined here will ONLY preserve your triangle edits along the boundary of the project. No internal edits will be preserved. Our suggestion is to NEVER edit the internal triangle structure; rather, you should edit the source data to fix any issues, so that the triangles reflect your intent.
Don't forget that one of the best advances in SS3 terrain modeling is that ALL functions can be undone. If you do something and your triangle edits revert, stop, take a breath, and UNDO. Now take time to think about what you need to do, and prevent the problem if possible.
We are just now being forced to use Inroads for certain DOT work and from what I'm reading here this scares the hell out of me. How could you possibly ever create a surface through source data that was 100% correct when you create your surface? I have worked on thousands of surfaces and never once have I ever created the surface with 100% accuracy the first time through. Sure, some are really easy and probably would be okay without my edits but we're talking about miles of highway topo with thousands and thousands of points. The editing can take quite some time, and now we find out under these conditions they are preserved! I'm amazed.