exclude HDR light dome reflection from the vrayplane

[fraggle]

Hello,
I'm trying, without success, to get a ground plane to reflect objects in the scene but not to reflect the HDR map applied to the Vray HDR dome light.
How can we achieve this?
The Vrayplane has a matlwrapper to it.

Thanks

[Dave_Wortley]

With a little bit of magic...

Change the first line to whatever your light is select your ground plane and run this maxscript

theLight = "VrayLight001"
vrayaddtracesets $
append (vraygettracesets $).reflect_exclude (getnodebyname theLight)

[fraggle]

Thanks, however I've got: -- Unknown property: "reflect_exclude" in undefined
***
theLight = "VRayLight002"
vrayaddtracesets $
append (vraygettracesets $).reflect_exclude (getnodebyname theLight)
-- Unknown property: "reflect_exclude" in undefined
***********

With a little bit of magic...

Change the first line to whatever your light is select your ground plane and run this maxscript

[Dave_Wortley]

Did you select your ground object?

[fraggle]

Yes, but may be I didn't use the script properly.
Here is a copy of the screen.
Thanks

[Dave_Wortley]

Works here.

Put all the script in the script editor (not the maxscript listener) and press Ctrl+E.

[fraggle]

thanks, can it be a problem with the max version? (2014).
The script run fine (no error) but the plane still have the reflection of the HDRI visible.
The plane is selected when CTRL+E is press.

Thanks

[tashko.zashev]

It looks like the Reflection include/exclude lists doesn't work with matte objects set with Wrapper material. Probably there is a bug. Could you try to use the matte properties from the right click V-Ray object properties instead. This approach works better according to my tests.

[fraggle]

It looks like the Reflection include/exclude lists doesn't work with matte objects set with Wrapper material.

Is there a button hidden somewhere for this function? I can't see it on the User interface.

[tashko.zashev]

Is there a button hidden somewhere for this function? I can't see it on the User interface.

No, there is no option in the UI to do that.

[tvc15]

Maybe if you turn on 'Dim distance' for the ground plane material it will ignore the dome light.

[fraggle]

thanks to Dave and its magic maxscript!