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Bryan Thatcher
2012-02-06, 08:58 PM
I want to Create contours as 3D polylines from a surface, not add them to a surface. How do I do that? Thanks.

mjfarrell
2012-02-06, 09:00 PM
QUOTE=mjfarrell;1159591]Change your surface style to show whatever contour interval you are wanting.
Be sure to TURN ON the contour display coponents (s) for your surface.

If you are wanting to 'extract' those contours.

Create a surface
Add data to it
Set the desire style (with contour objects displayed)
Select the surface
from the Right side of Ribbon find Launch Pad, select Extract Contours

The contour objects will now be 3d polylines that are not a part of the surface object.

This is a common class topic I cover.[/QUOTE]

mjfarrell
2012-02-06, 10:13 PM
Note:

If the above is for 'export' to your REVIT model from earlier.

Select all of the contours created in the steps above and WBLOCK them out to a new file.
I would also suggest you use the DELETE option when you block them out, as you will not want or need them to remain in the C3D file after the wblock operation.
Use this new file to import into your REVIT model for the site.