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Simple boolean on NURBS

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David Cochard
Simple boolean on NURBS
on Oct 10, 2009 at 3:39:53 am

Hi,

I'm quite new with Maya and I'm running into a stupid problem. I've been struggling with that for about an hour...

I want to make a bishop ( the chess piece, pretty standard starting point for beginners I guess). I drew an EP curve that I revolved. I guess that gave me a NURBS surface (that looks great BTW . In order to create the groove in its head, I wanted to use the boolean difference tool with another cube surface, but it just doesn't work. I have my two elements in place, I shift-select the bishop and then the cube, then boolean difference but nothing happens. I tried it in different orders and stuff but I couldn't get it done. The boolean tools work great on polygons, but I just can't get it to work on any surface.

Any thought why?

Thanks a lot!


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Peter Greenstone
Re: Simple boolean on NURBS
on Oct 10, 2009 at 2:51:56 pm

Unlike the tool for boolean on polygons the boolean tool for nurbs is a bit less intuitive.

Start by selecting nothing. Then apply the nurbs boolean tool. Notice how after you applied the boolean your cursor changed and you can see some instructions for completing the process down in the very bottom left of your Maya screen. It tells you to select your first surface and hit Enter, then select your second surface and hit enter again. Done.

It wasn't clear to be at first either, but it's easy once you know what to do.


http://www.petergreenstone.com


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David Cochard
Re: Simple boolean on NURBS
on Oct 11, 2009 at 4:39:24 pm

Great thanks it's working. That's really not intuitive in fact... I hope other tools are easier to understand :)

Thanks again ;)


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Alvaro Castaneda
Re: Simple boolean on NURBS
on Oct 13, 2009 at 2:08:34 pm

Duuuuuuude !!! that's why nobody uses NURBS anymore, :D , pleeeeeeease use POlys and subds, NURBS are from hell.

----------------------
varomix - pixelEater
http://www.intelianimate.com


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David Cochard
Re: Simple boolean on NURBS
on Oct 13, 2009 at 3:43:58 pm

People really don't use NURBS anymore!!! Didn't know that... Polys are easy to work with I agree, I still don't feel confortable with SubDivs but I'm working on it :) Can anyone try to quickly explain me when to use each one of those modeling techniques? Or point me to a good tutorial. I'm still a bit confused about it, but I'm sure there is an easy way to decide which one to use according to the topology of the object we want to create. Experience helps of course, but an easy way for beginners :)

Thanks.


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Alvaro Castaneda
Re: Simple boolean on NURBS
on Oct 13, 2009 at 6:27:34 pm

just use polys all the time for modeling, some basic stuff can start as nurbs and the make that polys and continue, keep using polys, and render as subd.

easy!!

----------------------
varomix - pixelEater
http://www.intelianimate.com


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Peter Greenstone
Re: Simple boolean on NURBS
on Oct 13, 2009 at 6:40:50 pm

I still use nurbs, but only for some things. Nurbs work great for certain, usually simple, structures but they really are limited. Sorry, I don't know any tutorials that I could point you too. But you could get by just fine never using Nurbs surfaces again.

http://www.petergreenstone.com


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