Hey Darron,
You have to create a template of your road and sample it along your new
alignment applying specific design controls for sideslopes, ditches, etc.
Then you have to create a 3D Grid and use this grid to create your new
surface as AutoCAD entities/3D faces.
"Darron Agawa" wrote in message
news:400ee106$1_2@newsprd01...
> How do I take the profile for an alignment and make a surface out of it?
>
> I've got a 7 block reconstruction project, and have my profile nailed
down,
> but I can't create my FG surface because I can't make a centerline
breakline
> from my profile. I've seen the 3D chain display in the profile settings,
> but like all of these "intelligent" objects, you can't do much with them
in
> terms of regular drafting.
>
> I figured the only way to do it was use the 2D display of the 3D chain and
> draw my own 3d polyline, but it doesn't even have endpoints. What do I
do?
>
> --
> Darron K. Agawa
> Civil Engineer
> Town of Windsor
>
>