Pure caustic pass out of Bidir/VMC engine

[Dariusz]

Is it possible to get pure caustic pass out of it?

I dont want any diffuse light. Just Caustics. Maybe also refl/refr/ somehow too but mainly caustics. Is that doable?

I find corona being best at caustics and to be able to extract it to use with my images would mean I could actually use this render in production.

Thanks, bye.

[Ondra]

there is unfortunately no way to extract just caustics now.

[Dariusz]

Its a sad moment for humanity.

Thanks, will wait for the day when I will be able to do it :- )