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【第五回】(3DMAX材质部分)如何能做出逼真的金属物体呢?

刘铭康
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关键词:3D问题 3D疑难 3D材质 


【问】如何能做出逼真的金属物体呢?比如不锈钢柱。保存的文件怎样才能提高它的分辨率呢? 
【答】用raytracing材质摸拟。渲染时提高渲染输出分辨率!!! 
          1、金属物体就看你有没有金属材质,还有注意它的反光度,还有灯光不能照得太多。 
          2、就在渲染窗口里面有一个可设分辨率,如(600x800,1024x704),当然你选的分辨率越高图像就越清析了。

【问】3dmax里材质球用完了怎么办 ? 
【答】删除其中的一些!再用就行了!!!先前的那些可保存为新的用户材质!就行了!!多使用复合材质 。 你可使用多个文件进行对物体的材质布置,然后再使用文件-》导入命令,要想多几个材质球是不可能的。

【问】小弟在作镜子或者反光地面桌面时,常常不能作出效果。特别是作镜子时,ID不知道怎么用?
【答】1.选多维/子材质 
          2.设置个数为1 
          3.设置你地面的材质 
          4.设置反射贴图为平面镜 
          5.调整参数 镜面的问题我就不多说了,关于ID号其实很简单,它可以让你自由控制,你把所要加材质的物体转换成网格物体,然后选择正方形的(点,三角面----等四个),然后选择面就在下面的id号输入所要的ID号(数字号),这对多面材质来说可好用了。

【问】请问有关UVW MAPPING,谁能替我解释清楚吗?如何应用?谢谢! 
【答】用来贴图的。在材质编辑里的图片需要用这个贴上去。主要用来固定贴图坐标。调节贴图大小,贴图方式等。具体的应用建议你买本基础的书看看

【问】怎样制作带有Alpha通道的贴图?
【答】有些图形本身就有alpha通道,如:tiff,photoshop psd,用二维软件修改,然后输出。alpha通道其实就是起蒙板作用。

【问】视图中的背景如何能在视图中显示出来呢?
【答】在菜单》视图》背景下选择即可

【问】我用多维子材质给一个立方体的三个面指定不同的子材质后, 渲染时却看不到效果,是怎么回事啊? 
【答】可能没有指定ID. 

【问】MAX中怎么设置运动模糊
【答】调节渲染和材质的参数,其中有模糊参数!如果你用MAX4,则可在场景中选中想模糊的物体点右键,选PROPERTIES,其中有BLUR项,参数你自己设。

【问】各大高手指点用布尔(boolean)运算后的图形在材质编辑器下怎么用,本人不能使布尔(boolean)运算后的物体编辑材质
【答】照贴啊,到UVW MAP哪儿搞一下贴图坐标就行了。

【问】请教3d max是否可以输出没有实体着色的线框图?
【答】你可在做材质时选线框材质。

【问】地面的一地板材质,但怎么也赋予不了,地面还是黑的?
【答】选面贴图,face(此为强行贴全面)

【问】3Ds MAx的贴图应该是什么格式????
【答】普通的图像格式,bmp,jpg都可以,还包括视频动画文件,如。AVI文件,这样物体表面可以现出放电影般的动画效果。

【问】我怎么不能把photoshop中的IA文件插入到3DMAX中呢?请 各位高手指点。 
【答】max不支持这格式它是矢量图格式!你可以存为JPG格式啊 

【问】我在做透明玻璃时,用光影跟踪做速度太慢了,是否有更好的材质,望赐教,请告诉我具体做法! 谢谢! 
【答】用平面镜。 不要用双面材质选项 HEHE 我看你最好使用反射光贴图中的光线跟踪,同时加折射光贴图的光线跟踪这样子效果很好,同时注意调整折射率,可以做出真实效果的玻璃来不过灯光要有哦

【问】怎样给物体赋上两和不同的材质?比如香烟的首尾材质。 
【答】创建物体后,打开材质面板,点击diffuse右侧的白色小图表,打开复合材质,选取gradient ramp 在interpolation右侧的下拉菜单中选取solid即可,颜色由图标 上的小五边形双记得到,然后付给物体 


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