Sunlight too bright

[spara@interiordynamics.co]

http://picasaweb.google.com/4dvisual...eat=directlink

As you can see from the image I am having some issue with not being able to get the sun from being so bright. These are my settings:

Camera - Standard
Enviornment -GI .5 multiplier .5 Color White
Background - .5 multiplier .5 color light grey

Using Sketchup Sun

Color Mapping - Reinhard
Multiplier 1
Burn Value .6
Affect background ON
Clamp Output ON
Sub-Pixel ON

Indirect Illumination
Irradiance Map .3 value
DMC .3 value
Irradiance Map
-4 and -3
HSph 100 Samples 40

Thanks for your help

[sheldon]

Re: Sunlight too bright

There is no image on your post

[spara@interiordynamics.co]

Re: Sunlight too bright

I attached the link above. Just wait a minute or two for the image to clear up.

Thanks,
Scott

[resu]

Re: Sunlight too bright

this doesnt help .. but i really like it
i would be happy if i could do renders like this!

if your that bothered tho .. i'd just edit it in photoshop

[thomthom]

Re: Sunlight too bright

Standard Camera? so you can't adjust exposure?

Then adjust the Sun multiplier, but not the one you see in the GI section, the one you get when you click on the M in the GI section. The window that pops up that let you adjust the V-Ray Sun/sky settings.

[spara@interiordynamics.co]

Re: Sunlight too bright

Thom

It is already at .5 and I took it down to .3 and all the time seeing no change in the strength of the light.

Using a physical camera gives me control over the exposure yes, but that will affect the whole image and not just the strength of the sun (already tried this). Not to mention I have noticed a significant drop in render times going to a standard camera.

Any other ideas as to what could be causing this?

Scott

[dalomar_cg]

Re: Sunlight too bright

You can't change the intensity of the light anyway (I assume you're using the default ligh) without switching over to the physical sun...As far as fixing it, your best bet is actually to adjust the color mapping so that the result doesn't LOOK as burned. Since everything else is in pretty good exposure there doesn't seam to be much need to mess with the actual lighting. I'd recommend switching to HVS Exponential (make sure the bright and dark multipliers are both set to 1).

You can also adjust the exposure of the image in the frame buffer...doesn't matter if you're using the standard camera or physical camera

[sheldon]

Re: Sunlight too bright

The Image looks great. How did you light the interior?

[spara@interiordynamics.co]

Re: Sunlight too bright

Dalomar,

Thanks for the advice. I guess from now on I will be using the physical sun along with your tips. I appreciate that.

Sheldon,

I used GI (sun) and one large area light and then small area lights facing up into each light. Just kept the small areas very light as to only accent the ceiling lights to look as if they are on. Otherwise if I used them exclusively to light the scene (with GI) they would overpower the actual lights themselves. It is a trick I learned from a friend in the movie industry.

Scott

[spara@interiordynamics.co]

Re: Sunlight too bright

Dalomar,

Hopefully this is not too much of a noob question:

How can I match the physical suns position to that of the sketchup suns position without using the sketchup sun? I ask this as I typically use the sketchup sun but I am now trying to take your advice on using the physical sun for better control.

Thanks,
Scott

[dalomar_cg]

Re: Sunlight too bright

In order to switch over to the physical sun, you just need to add the physical sky map in GI. Once you do that V-Ray will automatically convert the SU sun from a plain old direct light to a V-Ray sun. Its also best to switch over to the physical camera as well...

The "easiest" way to make the switch would be to load the old default settings which have the Physical Sun/Sky in place and the physical camera. The visopt file is called Defaults...the newer defaults are named Default_SketchUp.