How to turn on and off lights?

James

I have set my lights on my home model.
Is there a way in daz I can turn on and off all lights by a single click?
Instead off change emission color to black and white one by one?

NorthOf45

You can make a pair of shader presets with just the emission channel changed, ON for one OFF for the other. You would still have to apply it to each one, though.

You can select all the lights and apply it, assuming they all have the same surface name. You could make a group with all the lights to separate them from everything else, but parenting will change. If nothing is going to move, then it won't be a problem. By selecting the lights group, you will see only the lights in the Surfaces tab.

With a group, you could then easily make a pair Hierarchical Materials presets, again, one for ON, one for OFF, that would apply only to the group of lights. You could make a Hierarchical Materials preset without the group, but you would have to disable everything else in the scene, which could be tedious, otherwise every surface will be included in the preset.