Hi 这个功能VrayForRhino SR1.5 并不能使用,在VrayForRhino 的更新说明中有详细的说明,我抓期中的一段给你看,
Known Issues in SR 1.5
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+ The following channels are not fully functional yet:
* Wire Color - unknown why it is apparently not working
* Real Color - unknown why it is apparently not working
* Node ID - ASGVIS needs to implement means to set color to nodes ( Render Id channel may be of help )
* Material ID - ASGVIS needs to implement means to set color to individual materials
* Atmosphere - our product currently has no atmospherics so this channel will not be utilize