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Directional light without a sky

Posted: Sun Mar 01, 2015 9:15 am
by pak
Hello Octane community

I'm playing with the infamous octane engine, finally. Loving it so far.
Here goes my first question:

How can I create a directional light without having a sky? Octane daylight seems to bring the sky with itself without any option to turn off the sky (and leave the light only) and adding an additional hdri environment (OctaneSky) + setting the color to black does not seem to work for me.

I've also tried checking the "Mix Sky Texture" checkbox in the DayLight Tag, which works with HDRI maps however when the environment is black this also does not seem to work.

Shortly what I need is a simple directional light on a black environment.

Re: Directional light without a sky

Posted: Sun Mar 01, 2015 10:10 am
by aoktar
dayligth + sky with rgbspectrum=(0,0,0) will give this. Check "mix sky texture".

Re: Directional light without a sky

Posted: Sun Mar 01, 2015 1:39 pm
by pak
I did actually, before. Now I realize it was about the rotation of the directional light. Below ground level rotation it's power goes to 0 - is it possible to give it a fixed intensity/power and use it as is instead of letting the sky system set the intensity for us?

Re: Directional light without a sky

Posted: Mon Mar 02, 2015 8:22 pm
by aoktar
You're right, but it's a behaviour of system. But you may think to use a customised hdri map.

Re: Directional light without a sky

Posted: Mon Mar 02, 2015 10:40 pm
by voon
Also, there's always planes etc with emission materials... Doesn't have to be the sun environment.

Re: Directional light without a sky

Posted: Tue Mar 03, 2015 10:37 am
by pak
Okay thank you - I will look into alternative options.