How to make simple white material look bright white

V-Ray Common Common :: Public
1

i have always settled for the light gray look of the default white that VRAY for sketchup creates but now i’m looking for a white that is really bright.
Does anyone know of any tricks on how to make a very bright white rather than the grayish white that seems to be the default. I need it for an interior image that i am working on.

i don’t want to add emissive quality to the material because it then won’t pick up the shade and shadow from other objects correctly.

i’m using sketchup 8 and VRAY 1.49.01

thanks
LC

2

Make the diffuse pure white, under Maps in the Material Editor, change the GI to TexAColor - then white again. Your brightness will depend on your camera and lighting settings.

3

M,
thanks for your reply. I tried exactly what you said but i don’t get any change in color on the object when rendered. i do get however a change in the preview of the material when i increase the intensity in the GI but nothing in the actual rendering.
am i missing something?
thanks
L

4

My guess is that in order for your wall to read whiter you need to increase the lighting in your render by adding lights or changing your exposure of your camera. The way I would do it is to cheat a little and use a Material ID and then post process that material in Photoshop to lighten. This is the most flexible approach.

5

M,
Increasing the lighting works somewhat, but usually in order to get real whites i have to increase the lighting so much that it washes out the rendering too much and doesn’t look good anymore. I still think it’s weird that whites always appear as shades of gray depending on how much light hits them.
thanks for your suggestions
L

6

In the V-Ray Material Editor, select your white material and check the ‘GI’ box under the Options tab. Add an AColor map to that ‘GI’ option and make the color pure white. What this will do is make the GI lighting for that specific material pure white. Depending on your camera settings, you may have to increase the intensity of that AColor map (usually 10 - 15 if you’re using the physical camera).

Hope this helps.

7

I guess this can help. I made this video long time ago.

8

So i think my whites are coming out a little brighter than before after checking the GI box and adding an Acolor map. Thank you mjm223 and fpedrogo for your direction.