Cinerender - some trees render as black boxes

[Anonymous]

All;
Trying my first attempts at using the cinerender engine and running into some issues. Some of my placed trees render as black boxes. They are all the same object. Any ideas on how to remedy this? See pic.

[Erwin Edel]

Try playing with the transparancy settings: http://helpcenter.graphisoft.com/troubleshooting/3d-modeling/texture-overwrite-fails/#CineRender_and...