casting shadow with RPC object

does anyone know how to cast shadow with RPC object? or if there is a way to get around?

http://www.kwok3d.com/temp/vraynrpc.jpg

make them included to your light which cast shadow…
i’ve same problem before…

that cast shadow isn’t what i needed and it’s not working right anyway. i figure it’s better to fake it instead of doing projector map. take less time to render. but i couldn’t figure out how to make it works with Vraylight (vray shadow)… let me know if you guys have any idea. thank you.

http://www.kwok3d.com/temp/Vray\_RpcShadow.jpg