summary. This example is about developing a filter that automatically generates the Roughness and Metallic values of a surface using a list of COLOR IDs. 概括。 此示例是关于开发一个过滤器，该过滤器使用 COLOR ID 列表自动生成表面的粗糙度和金属值。 NEED VPN IF YOU LIVE IN MAINLAND OF CHINA https://vimeo.com/571184126