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Old 17-01-2011, 03:49 AM   #1
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Default converting Nurbs To Polys

How come whenever I convert nurbs to polys my move-tool (or any tool for that matter) becomes centered around the origin rather than the object I just converted? Also, after I convert the object, the Nurb-'version' is still underneath the polys-'version'.

Thanks!

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Old 17-01-2011, 05:26 AM   #2
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To re-center your pivot point, just go Modify > Center Pivot.
As for the NURBS object still being around... yes it is, but you can always delete history on the poly object and then delete the NURBS object.
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Old 17-01-2011, 08:13 AM   #3
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oh awesome. Thanks bro!
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Old 17-01-2011, 11:04 AM   #4
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You can also leave the NURB geo there whilst you do other things...if you alter the NURB geo it will alter the poly as you do it...you can do some funky stuff.

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Old 17-01-2011, 06:50 PM   #5
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Oh really? What about visa-versa? Like if I model the Poly geo, will it model the NURB simultaneously as well?

Judging by how I've already modeled with the Poly and the NURB hasnt changed I guess not. But I was curious to see if there is a setting for that.

~Thanks for the insight!
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Old 17-01-2011, 06:53 PM   #6
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No... for one, NURBs geometry is pretty particular (e.g. each patch must have exactly four sides), and in this case, the flow of information is from the NURBS to the poly. That's why there is history attached to the poly object. Its shape is dependent on the NURBS shape. If you want to disconnect that flow of information, you must delete the history on the poly object. This is a pretty fundamental part of how Maya functions at a base level.
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Old 17-01-2011, 09:11 PM   #7
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Wow, I never knew thats how it functioned (to some degree). But thank you- thats good to know. Kinda explains why some things were the way they were in past projects.
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Old 17-01-2011, 11:34 PM   #8
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The local axis pops to the origin because the newly created polygon surface is considered a new object and the local axis origin of all new objects is the global origin (0,0,0).

There used to be an option to delete the nurbs geometry a long time ago. What you do now is just delete it manually afterwards. If you want to keep the nurbs geometry around just remember is will have history on it attached to the new poly surface so be careful.
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Old 18-01-2011, 12:44 AM   #9
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I guess logically that makes sense, but it seems less efficient. Not that its THAT big of a hassle but ehh.

And yeah, Kurt mentions not to forget deleting history. Before I knew about the history a geo could, I used to let it build WAY too much. Caused a bit of lag. At this point I dont know too much about what I can do with modeling a NURB and Poly simultaneously so I tend to delete them.

But I'm curious to see some of the "funky" stuff that can be done with it!

Thanks All!
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