Corona Renderer for 3ds Max > [Max] Tutorials & Guides

Light types

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VadoZe:
In this topic I offer  "coronauts" to share how they, exactly, are doing all sort of lights in the scene with desirable settings of light source and nearby materials!

VadoZe:
OK then, my trouble!
CoronaLight in chrome hemisphere, White 0,6 on box flipped inside - fireflies not go away, turned off visible in reflections they gone! Is it right?

maru:
This is normal because the fireflies you see are essentially reflection caustics. To get rid of them you can try:
-decreasing glossiness of chrome material
-decreasing MSI in render settings
-switching to bidir/vcm to get proper caustics (which will probably look horrible)

You can also try adding some kind of geometry blocking the light from reflecting from chrome surface or use IES/spotlight/disc light.

VadoZe:
I tried render whole image reducing MSI=3, it helps-noise has smaller grain, but it still there after 10h...(maybe there was another source - but i think it lights)!!
Changed chrome to white - they still there!
Increased LSm-better but not enough!
It must be high intensity - 600... but how then do point lights?
How U do them?

VadoZe:
IES seems helps, waiting for more passes!

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