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Old 07-11-2004, 11:27 PM   #1
mojo77
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Default How do I convert a closed curve into a nurbs surface??

I've created a free form surface using a CV/EP Curve and I've closed it.

I now want to change it to a surface so that I can punch a hole into it and then loft it.

Can anyone tell me how to do this.....if it's possible? Thanks :-)
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Old 08-11-2004, 05:56 AM   #2
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surfaces/planar
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Old 10-11-2004, 10:08 AM   #3
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Hi.
Thanks for that.

I'm now wondering how I can change the number of U and V lines on the plane that I've created when I changed the closed curve planar surface.

It has automatically given me 3 lines in the x and y direction. How do I change this?

I tried doing it in the attribute window with no success, then I tried Edit Nurbs>Rebuild, again with no success.

Any ideas?

I'm pretty new to Maya, and although I'm fluent in 3d modelling in 3d architectural programs, I have to admit that Maya is confusing me with the endless amount of of ways and options you can edit/transform create a surface/object.

I have to admit that it is a brilliant program though!!
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Old 10-11-2004, 11:26 AM   #4
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You could try rebuilding the curves that you used to creat the surface.

Edit Curves ---> Rebuild Cuves

Tell me if that works
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Old 10-11-2004, 12:43 PM   #5
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Default Editing planar surfaces/curves

I tried editing the curve first before changing it to a planar surface, but it was no go.

I then changed it to a planar surface and tried rebuilding the curve, but the only thing I could do was increase the number of spans.

No matter what way I try to edit it, there are always at least 3 lines going in the x and y axis.........and another puzzling thing is.......

I tried to see if I could manipulate the CV's where these lines cross (in component mode) but it shows the plane as only have 4 points around the perimeter of the plane.
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Old 10-11-2004, 01:26 PM   #6
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That's because it's actually a plane. Using a Planar function just trims the shape out of a square surface.

In my opinion, and I've said this a lot, I know... you'd have better luck with polygons.
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Old 10-11-2004, 03:15 PM   #7
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Quote:
Originally posted by mtmckinley

you'd have better luck with polygons.
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Old 10-11-2004, 03:21 PM   #8
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Good idea.
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Old 11-11-2004, 03:25 PM   #9
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You could try breaking up the curve in 4 pieces and then use the birail function to create a surface out of it. You will be able to do a lot more with that surface. Before using birail rebuild curves so that opposite curves have the same parametirization.
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