JANUARY 26, 2004
Cinema 4D Double Bevel
A look at Extrude NURBS, spline data and texture shortcuts
by Ko Maruyama
Page 3 of 4

Export data
Translate the geometry's edge to point data. There is no real structure data attached to a NURBS object, so we'll have to make a polygonal object. Select the NURBS object, then Functions > Current State to Object.[an error occurred while processing this directive]

We don't need any of the polygons, except for the backface, Cap 2 (the outermost points).



Switching over to the Structure window, we can see the coordinates of the points are now available. Make sure you are looking at the structure data in Points Mode.





At this point, you cannot copy and paste these points from a polygon object and paste them into a spline object. Instead, we'll export the data. Using the Structure Manager's, save the point information to a text file (File > Export ASCII Data).

Now we can create a new spline object and import the point information from that file (File > Import ASCII Data, then select the file you just created). Make sure you close the spline (In the new spline's Attribute window, under Object options): check "Close Spline."



Now you can use this new spline to create a fillet-only bevel to add to the outside of your existing extrusion. (I'll have to move my object z=-20 to align it with the other model.) Now I can use a Half Circle type fillet with 5 Steps over 5 meters.





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