Render Options for V-Ray for SketchUp

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November 4 , 2014 |

Render Options for V-Ray for SketchUp

Open V-Ray for SketchUp – Render Options

The V-Ray for SketchUp Options controls all rendering parameters. You can open this Render Options from Plugins menu above or click directly on the VRay Options.


Save and Load Option settings

There are many Options settings in V-Ray for SketchUp. Users can save the current settings, or save different files according to different scenes, different render quality settings, or different render engines. From File>Save to save Options setting. Use .visopt as the file format. It’s about 2KB in file size. When the SketchUp file is saved, all changes in V-Ray Options setting will also be saved. Use File>Load to load saved .visopt Options files. It will replace the current settings. Use Restore Defaults to restore the original V-Ray settings.



Open file Chairs-Original.skp. There are 3 chairs and a very large floor in the file. All objects are not assigned to any material and there is no light in the scene as well. Please click the blue render icon from above directly and you will get this gray tone image without changing any settings in the V-Ray Options.



Open V-Ray Options window and pull down the Global Switches, Environment and Indirect Illumination taps as illustrated below.

1. Global Switches

Please uncheck Hidden Lights and Default Lights under the Lighting section.

Hidden Lights means hiding the lights from the scene. It is used when the users don ‘t want to see any light while modeling in the scene. When uncheck the Hidden Lights box , those hidden lights will not affect the V-Ray render . To prevent these hidden lights affect the final render output , we recommend you uncheck the Hidden Lights first.

Default Lights means V-Ray built-in lights. Users can not see nor edit these lights from the scene. If one uncheck the Default Lights and does not check the GI below, the render will turn out totally black.

We also recommend you check the Low thread priority under the Render section so that it won’t affect other program while rendering with V-Ray.

2. Indirect Illumination

Please check “On” under the Indirect Illumination on, so called the Global Illumination. We will explain those green dot items more later.

3. Environment

Environment is to control the contract, color, and HDR of the Global Illumination.

Please check the boxes before GI and Background.

Please adjust those three items then select the blue render icon on the top. You will get the image with Global Illumination. Compare to the image without Global Illumination, you can see the objects don’t have dark shadow because the objects get light from all around.

The image is in blue tone because the default environment color of V-Ray is set to light blue of R204, G224, B225. Please check the box under GI to enter the color selections. Change the Sat from 62 to 5. The color is changed to light blue of R250, G252, B255, which is very close to white.



Click OK to exit then click on the blue render icon to color the image. The image color becomes very close to white like the image below.


Because the chairs and floor are not assigned to any materials, V-Ray gives the objects SketchUp’s default white layer as material. To know how to assign the materials to the objects and make adjustments, we need to open the Properties tab.

Two ways to assign materials in V-Ray
 Click in the V-Ray toolbar on the Material Editor to open it. Create a material then in the SketchUp Material click “in model” .and click the surface to apply the material.




2. Select the “Paint Bucket”  and click on the surface that you want to apply the material.



3. Now the objects are applied with materials. You can open the Material Editor to edit and create other materials.