How to let the light come throught??? Help [V-ray]

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How to let the light come throught??? Help [V-ray]

Postby jcarchitecture » Thu May 14, 2009 6:12 pm

I've got this model with opening. In sketchup, the light comes right throught no problems, and no there isn't any glass in the openings. When I render, none of the shadows on the ground appear. I need help fast because I need to hand this in soon.

Thanks in advance for the help.
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Re: How to let the light come throught??? Help

Postby solo » Thu May 14, 2009 6:15 pm

In your shadows window select on ground for the shadows.
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Re: How to let the light come throught??? Help

Postby thomthom » Thu May 14, 2009 6:31 pm

jcarchitecture wrote:I've got this model with opening. In sketchup, the light comes right throught no problems, and no there isn't any glass in the openings. When I render, none of the shadows on the ground appear. I need help fast because I need to hand this in soon.

Thanks in advance for the help.

In V-Ray you need to place a ground plane first. What you see in SU isn't what V-Ray will render. If you want V-Ray to render the "Ground" shadows you can place an V-Ray Infinite plane.

btw, what VfSU version do you use?
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Re: How to let the light come throught??? Help

Postby solo » Thu May 14, 2009 6:35 pm

Never noticed the 'render' reference, TT is quite right as far as vray goes.
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Re: How to let the light come throught??? Help

Postby jcarchitecture » Thu May 14, 2009 7:32 pm

I'm using sketchup 7 with V-ray for sketchup 7. I still can't seem to be able to make the light come through and hit the floor.
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Re: How to let the light come throught??? Help

Postby thomthom » Thu May 14, 2009 7:34 pm

Can you post screenshot of your SU scene and your render?
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Re: How to let the light come throught??? Help

Postby thomthom » Thu May 14, 2009 7:35 pm

Do you have the Sky map assigned to the GI and Background slots in the Environment section?

As of SR1.5 the V-Ray Sun/Sky is not on by default.
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Re: How to let the light come throught??? Help

Postby jcarchitecture » Fri May 15, 2009 12:28 am

I putt a light in the sky which gives shadow in the building, so that is solved. Now i need to knwo how to soften the shadow thats hitting the floor.
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Re: How to let the light come throught??? Help

Postby thomthom » Fri May 15, 2009 7:23 am

Did you use an Omni light? If so; then you can set the Radius in the light's properties.

Though, a Sky map is easier to control IMO.
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Re: How to let the light come throught??? Help [V-ray]

Postby ScottPara » Fri May 15, 2009 6:48 pm

Like Tom said a screenshot or a posting of the model will help alot when people commenting on your problems.

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Re: How to let the light come throught??? Help [V-ray]

Postby dalomar » Tue May 19, 2009 6:44 pm

Controlling the softness of the shadows of the sun can be done through the Sun Size parameter. You'd get to that through your sky settings in the Environment rollout
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