I open the box scene， but when I click the “gray” or “light_exitance” under Colors tab, the program crashed
Can you give more details which scene you use. This is not the built-in Cornell Box scene.
That looks like one of the scene from the test suite, possibly
I can actually reproduce the crash with that scene. I’ll fix the problem now.
Thanks @shengfu_zhai for the bug report!
sorry for the unclear report。 this scene is “alpha/08-box scene no sphere” as @franz said
yes you are right. I see the appleseed scene file and rebuild the rough scene by my own way ，and I can click the color correctly。
The cause of the crash is that for some reason this scene contains colors with RGB alpha values but these aren’t supported by appleseed. I made a number of fixes and those will be merged soon. They’ll be available in the next official release, due very soon.
So Cool and Fast.