Special Effects Rollout Menu
Ambient Occlusion Group of Controls

Ambient Occlusion - check this option to enable the Ambient Occlusion rendering for this material.
AO 开关
什么是AO，它如何工作？
直译：环境遮蔽。简略的打和比方，AO是和我们通常采用‘光渲染’截然相反的一种算法，就如同通常我们‘为了节省墨水’，而在白纸上用黑笔画画。
而不是反过来。
于是素描的过程就变成了用笔在纸张上面进行‘遮蔽’的过程。
AO在多种渲染器中有所应用……。

Samples - defines the amount of sample rays that will be sent. The more rays sent the smoother the final result will be, keep in mind that more rays also means more computations and this will lead to a much longer render time.
采样－定义用于遮蔽的射线数量，数量多，效果细腻，时间会更长。

Max. Distance - is set in real world units and it defines the length of the ray to “search” for an object or occlusion. If an object (or a self-intersection) is not found within the Max. Distance range the environment color is chosen. When this value is set to 0 the ray is of unlimited length.

最大距离－采用真实世界中的尺寸定义‘射线从出发点搜寻另一个物体（或者另一个遮蔽射线）’的距离。
如果射线没有找到另一个物体（包括此物体自身另外部分），此射线将在所定义最大距离关闭（逐渐淡化为环境色）。 此值为0时，代表遮蔽射线长度无限。

Shadow Color - defines the color that should be used when the ray hits an object and is fully occluded. By default a black color will be used. Any other color or any shader input can be used to control this color value of the node.
阴影色（遮蔽射线的颜色）－完全遮蔽时候的颜色，也就是射线起点的颜色（一般为拐角等‘全黑的位置’）。默认是黑色。可以加载任何颜色或者材质。

Ambient Color - sets the color that should be used by the samples hitting the background (non occluded rays). By default, this color is set to white. Intermediate values (environment color and occlusion color) will be created if some rays hit the background and some hit an object . This value can also be set to use the background color (environment color) of 3ds Max.
环境色：环境的色彩，默认是白色（一张白纸）。
可以同步设置为max自身环境。

Round Corners Group of Controls
圆角控制（简化建模的福音）
This rendering effect creates soft and smooth rounded edges on objects originally modeled with hard edges. It works best with meshes that are modeled with “real” hard edges, to smooth out most “hard” corners you should make sure that edges are really edges and are either created by modeling or true intersections.
将真实世界里面几乎不可能存在的锐利边缘，也从max中抹去。（采用真实尺寸）

Round Corners - when checked, sharp edges are rendered as rounded and smooth edges.
圆角设置，设置圆角的半径。

Fillet Radius - lets you define Specifies the radius of the filleted corners and/or edges.
倒角半径，定义倒角的半径。


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