SU sun

[sepo100]

I have read about relationship between SU sun (read shadow position) and render output. My understanding is that sun is in effect Default lights. I am finding that this works sometimes and sometimes not. I am finding that shadow direction is kind of hit and miss. With default preset it is ok but most other presets are having direction which changes with presets themselves. How can I have predictable shadows which are same as in SU in all my renders? I like quality of Universal settings preset
but shadows do not match. What am I doing wrong.

[40th]

Re: SU sun

What's the version of your VfSU ?

[sepo100]

Re: SU sun

The last one. Only bought it couple of days ago. I decided to write my own preset so found resonably good balnce ...and my shadows are correct now.
Btw what is the best way to have glass not showing reversed face.

[thomthom]

Re: SU sun

To get the V-Ray sun you have to add a Sky map to the Environment section in the Options.
If you do not have a Sky map in the Enviroment, but have Default Light checked under General Switches you'll get a directional light positioned in the SU's sun position.

Before SR1.5 the V-Ray Sky was on by default. But from Su1.5 the V-Ray Sky was off by default so you have to manually enable it.

[sepo100]

Re: SU sun

Thanks Thomthom. What is actuall diferrence between directional light and Vray sun...
Will Vray sun be still matching position of Su sun?
edit: sorry you were talking about Vray sky... got it.