Vray problem- with a"diffuse" coloured shadow

[serrag]

Hi,

I am doing some interior-test with the new V-ray (1.05.30) in Sketchup (7.0).
I am using 2 basic-colours materials straight from sketchup (red and white).

What I don't like because I can't uderstand is how to controll the "diffusing colour" of the shadow.
The shadow-colour of the cube on the plane. I don't know if it is the right word..but please look at the image for a better comprehension.

Why is it red?

Is it a material problem?
or something in the rendering setting?
(I am using gi_irmap with no physical camera)

thank you

Serrag

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[serrag]

Here few more images
How can I delete the red-deffuse-colour in all the room and keep the red floor?

Thanks!

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[thomthom]

IR tend to do that.

You can render of an IR solution with a different colour.
Or, you can try DMC instead.

Also, is the RGB values at full? 255?

[serrag]

what is IR?

[thomthom]

IR = Irradiance Map

[serrag]

ok thx!
but I still have the same problem... even with DMC
umpf