You may insert the same map into the Displacement in the same way, only treat it beforehand changing the colours into the shades of grey with parameter 1.
你也可以给置换通道应用同样的贴图，不过要先将颜色去掉变成灰度图，并将属性设为1。
After you have insert RAYTRACE in the reflection map you will see that the material editor is showing new Settings.
当你为反射贴图通道添加了光线追踪贴图后，你会发现材质编辑器显示出新的设置。
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