Attaching surfaces properly - MAYA

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  08 August 2008
Attaching surfaces properly - MAYA

Hi all,

I'm new to 3D and trying to model a car using NURBS in Maya.

I've looked at some tutorials and have got as far as laying down curves based on some orthoganal views and using them to produce some NURBS surfaces.

1. The arrows indicate where I think the problems are originating from:

2. So far so good when I attach the three bigger surfaces.

3. And then this happens...

I can't manage to attach all these surfaces nicely without the resulting surface looking like a wet rag instead of a front fender. Also, I don't know how to retain the shape of the corners.

I've checked the UVs and they're all matching in terms of direction.

I hope someone can help or has a link for a good tutorial.

  08 August 2008
Part of the problem looks to be due to the difference in the span count. On your top surface call up the attributes and look at how many spans it has.

Once you build a surface, rebuilt it a few times(rebuild surface), use its edges to build the next surface.

i.e. Use your top surface to get the top edge for your side wall. then create that flat semi circle piece. duplicate the edge the top edge of that semi circle, scale it up and project it onto the side wall. Then free form fillet from the semicircle surface edge to the project edge. It might help.

nurbs, i've found is all about refining and rebuilding. don't be afraid of trying multiple ways to build a surface
  09 September 2008
also make sure your normals are pointed in the right direction...very common problem when working with nurbs.
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  09 September 2008
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