Is there a limit to the number of shadow producing lights you can add to a scene? I'm attempting to do a scene in a warehouse where lights turn on in a specific pattern/order revealing different sections of the room. There are 9 overhead spots in all. But after I loaded about the fourth or fifth one, the previous lights went out.

To be clear, it renders fine. All the lights show up just as they are supposed to. But working on the scenes (editing), I have to reselect each light to turn it on to work on that section, and that causes some other light to go out. This means when I load to the scene to edit it, I often find it nearly pitch black until I select some light to turn it on.

It seems very strange.

Thanks to anyone who can help!

There is a limit in the preview to the number of lights that will show due to a limitation of OpenGL

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I use Poser 13 and win 10

That limit is 6 or 8 light sources depending on the actual OpenGL hardware. The production renders do not have that limit. FireFly and SuperFly support as many light as you want. Well until you run out of memory any way.

You can pick which lights do or don't show in the OGL preview. There's an option on each light's properties to [  ] Include in OpenGL Preview. Just uncheck the lights you don't want included. When there are too many lights to display Poser will stop displaying the light's that haven't been moved for the longest time (First in, First out)

Thanks!