You cannot add 3D textures on a curved surface that contains multiple faces or facets (e.g., swept, freeform, and skin surfaces); if you add a 3D texture to one of these surfaces without multiple faces or facets and then modify the surface so that it has multiple faces or facets, the texture zone is disabled. RaU.yCYyu
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如题所述，因为是导入的几何体，不知道具体怎么建的面。在帮助文件中找到了上面一段话，难道曲面就加不上网点了吗？可是在LightTools中选择该曲面的时候是整块选中的。
