Feature Request: Receive Shadow on/off

[akira]

Hi!
i was trying to use a custom matte plane as a render region mask.

but i can't let the plane not receiving shadows.

it seems that octane now supports the "cast shadow" check in object property but not for the "receive shadow" one.

[gueoct]

why does the shadow matter? i thought it´s only a region render mask.

i tried exactly the same thing a few months ago but did not see any significant speed gain...?
what is your experience?

[akira]

because shadow casting means the matted area are still sampled by gpu, that's why you didn't see much speed gain.
i want it to be more like a bypass shader.

and if i set the opacity of the matte to zero, strange thing appears: