SideFX实验室：Heightfield组合遮罩SideFX Labs | Heightfield Combine Masks

This tool allows you to blend several named heightfield layers together using several blending modes. This reduces the number of nodes required to do these operations dramatically. 
Learn more about SideFX Labs here: sidefx.com/labs
谷歌翻译：
使用此工具，您可以使用多种混合模式将多个命名的Heightfield图层混合在一起。这大大减少了执行这些操作所需的节点数。
Learn more about SideFX Labs here: sidefx.com/labs