Maya Nurbs 汽车轮胎建模（4）
添加时间: 2007-7-7 5:01:04 作者: 第九软件网 阅读次数:50 来源: http://www.d9soft.com
翻译说明： 为了让大家更能理解这个教程，我并不翻译其中一些命令，这样可以让一些初学者 ( 不是很熟悉 Maya Nurbs 建模命令 ) 更快找到这些命令。另：我的英文不好，所以在翻译的时候会有一些不足之处，如果有让你发笑的地方，请你给我提醒，我将更改过来 , 我的 Email: chinacache@163.com.
后面的应该不用翻译了吧？ - 关于渲染的，如果有那位需要的话，发 email 给我们 : chinacache@163.com, 我们会将它完成 . 谢谢 !!
Now within your graphics editor, create this logo with an alpha channel (TGA) like this sample , do whatever you like with the logo, but remember you must create a squared box for the logo resolution (i.e. 500x500 or 600x600) :)
From hypershade create a new Lambert material with your alpha file as bump shader with 3D projection (Fig 28). I used Lambert cause i dont want to get too shiny on this tire; you could also create it with displacement if you want to.
Fig 28 
Now adjust your 3d placement attributes to fix the front inner tire (Fig 29)
Fig 29
Final Check
You could delete all unused objects from hypergraph and also you could delete all history (if you want to), and you could also group all of these objects :)
OK Next, select edit > Select all by type > nurbs surfaces , go to rendering module, go to render > set nurbs tessellation then hit set and close. Go to your render globals , set your anti-aliasing quality to production quality , resolution to about 640x480. Now render it, then you will have this cute looking tire, of course you could create black rubber shader for this tire :)
Click here for another sample after mixed with the wheel
And yes...these are NURBS...so don't be worrIEd with a close/Macro shot, even this close , they're all smooth.
If you need a complete model with logo, please send me an Email...sorry the file was too big for my bandwidth..:(
Ok..this is it...i hope it helps....and have fun....:) （完）
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