Chaos Corona for 3ds Max > [Max] Resolved Bugs

HDRI reflection override fireflies

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SmurfN:
Capture1 - corona Sun used as light source, only hdri in the reflection override slot.
Capture2 - hdri used as light source and reflections. (no fireflies)
Capture3 - hdri settings, (fireflies dissappear if you turn down hdri exposure but then you don't get any reflection from hdri (duh))

pokoy:
This is a side effect of separating light and reflections (or refractions) rays.

What you can do instead is to use the HDR for lighting but clamp its output. That way it only generates ambient light (which you still need) and you won't have to use reflection overrides.

maru:
Yes, sadly there is no reliable solution to this yet, only workarounds. But of course we are planning to fix it.

SmurfN:
ok thanks for the info, keep it up!

lupaz:
Is there a fix for HDRI reflection override causing fireflies?

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