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Activity Forums Maxon Cinema 4D Faces separating while displacing NURBS extrusion.

  • Faces separating while displacing NURBS extrusion.

    Posted by Shawn Romano on September 15, 2009 at 6:37 pm

    Hi. I am attempting to use a displacement on a spline that I extruded using NURBS. The problem is that the caps of the extrusion are displaced “separately” from the actual extrusion, and it looks terrible. I’ve tried making the geometry editable and connecting the caps to the extrusion, changing the point interpolation of the splines, etc. No luck. Anyone know how I can make this work? I am trying to make some text look like it is made of wood and worn out. Figured a texture with displacement would be the way to get it done…

    Thanks for the help.

    Adam Trachtenberg replied 16 years, 8 months ago 2 Members · 7 Replies
  • 7 Replies
  • Adam Trachtenberg

    September 15, 2009 at 10:15 pm

    You can avoid the caps separation by putting the extrude nurbs in a connect object.

  • Shawn Romano

    September 15, 2009 at 10:18 pm

    Man, I wish it was that easy, but that was the first thing I tried. No dice. The edges still get messed up.

  • Adam Trachtenberg

    September 15, 2009 at 10:34 pm

    Well, it does keep the caps from separating but there’s no way around the edges being messed up because the extrude doesn’t make clean geometry. Subpoly displacement subdivides the geometry like hypernurbs and that’s not going to look so good with all those triangles.

  • Shawn Romano

    September 16, 2009 at 12:46 pm

    I understand that, which is why I’m asking if anyone has a solution. This seems so simple – there has got to be a way to create a single, clean polygon mesh that will displace properly.

  • Adam Trachtenberg

    September 16, 2009 at 1:53 pm

    Unfortunately there isn’t. You would have to model the text by hand. A PITA to be sure, but you can snap to the text splines to make it easier.

  • Shawn Romano

    September 16, 2009 at 2:12 pm

    Hah, yeah I figured that would probably be the solution. Should I use the front view and the Create Polys tool to accomplish this? Any resources you could point me to for the basics of modeling with polys? Thanks for the input.

  • Adam Trachtenberg

    September 16, 2009 at 3:50 pm

    Yes, I’d start with the front view and use the create polygon tool in quadrangle strip mode. I’d lay down a ring of polys along the outside and work my way in. Then select all extrude with caps.

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