How do I configure an Iray scene so I can change the amount of light ?

Dearest all .

How do I configure an Iray scene so I can change the amount of light ? I mean , after I created the scene with skydomes and all , what , where and how can `I change the settings so the final render is in the night , like complete darkness, or sunset, or just with a little amount of light? Can I do this in the render settings window? If so , how exactly? There are so many sliders. The same counts for the light options  in a scene, where and how and what must be changed with how much ?Sometimes  I disable all headlamps and an Iray render is still lit like ' normal'  and sometimes I succeed in ' blackening'  the whole scene but I cannot get the amount of light gradually turned brighter, even after changing the light sources in the scene to 1 or 2 or even 4 million Lumen.
Tuts everywhere but no one adresses my ' dilemma' 

I hope my question is a bit clear, it is just a bit difficult for me explaining exactly what I mean, sorry for that in advance.

kind regards

Comments

  • macleanmaclean Posts: 2,438

    Use Render Settings> Tone Mapping> Exposure Value for overall control, or the individual settings, (shutter speed, etc). These controls lighten/darken the entire scene

  • Sometimes  I disable all headlamps and an Iray render is still lit like ' normal'

    Remember, as well as the default Headlight attached to each camera in your scene, there's also the default Environment light, which is roughly equivalent to bright (but not quite sunny) outdoor daylight.

  • Thanks everybody.

    I am going to try it all out. Awesome.

  • nicsttnicstt Posts: 11,715

    I would definitely recommend getting used to adjusting lights, adding and removing and general placement; it's a valuable skill, one I'd suggest is essential.

    Having said that, this product: http://www.daz3d.com/iray-light-manager-pro is excellent, and I recently picked it up on sale. After one has everything arranged, positioned and the various light settings set, well just tweaking the scene as a whole makes it a very valuable tool.

  • nicstt said:

    I would definitely recommend getting used to adjusting lights, adding and removing and general placement; it's a valuable skill, one I'd suggest is essential.

    Having said that, this product: http://www.daz3d.com/iray-light-manager-pro is excellent, and I recently picked it up on sale. After one has everything arranged, positioned and the various light settings set, well just tweaking the scene as a whole makes it a very valuable tool.

    I have that product already in my wishlist for a while... ;)

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