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The V-Ray toolbar allows you to render using V-Ray’s Interactive renderer and bake lighting with V-Ray Bake. From the V-Ray drop-down menu you can access the V-Ray frame buffer and open the V-Ray Settings tab. From the V-Ray Bake drop-down you can access the V-Ray Bake Settings tab.

 

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 Button States

The V-Ray button has five states depending on the process that is currently running:

 

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Idle/Neutral

V-Ray is in idle mode, not processing or rendering the scene.

 

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Preparing

V-Ray is preparing the scene for rendering. Meshes, textures, materials and lights are cached into memory.

 

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Rendering

V-Ray is rendering the scene. Click on the button to stop rendering at any time.

 

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Busy

V-Ray is unloading resources and exits rendering.

 

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Finished

V-Ray has reached specified parameters in V-Ray Settings.

 

V-Ray Assets Category

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The V-Ray Assets category in the Modes tab allows you to quickly create V-Ray related actors:

Fancy Bullets
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Import vrscene Dialogue

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The V-Ray Scene Import Options window appears when you are importing .vrscene files into Unreal.

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Create Assets - Enables the creation of static meshes, materials and textures in the Content Browser.

Treat Y-axis for Up Vector - Enable this if your vrscene was generated from a software that has its Y-axis set as an up vector (e.g. Maya)

Use Full Proxy Mesh - When enabled, proxies will be imported as static meshes.

Create Actors - Enables the creation of actors in the level.

Create Nodes - Enables the creation of static meshes in the level.

Create Lights - Enables the creation of lights in the level.

Create Cameras - Enables the creation of cameras in the level.

Build Lighting - When enabled, the Build Lighting Only command is executed at the end of the import phase and Unreal begins lightmap baking.

Light map options

Big Resolution - Specifies the maximum number of big resolution (2048) lightmaps that can be set in the level. (e.g. multiplier of 1 will result in 2 meshes that will have a lightmap resolution of 2048; multiplier of 2 will result in 4 meshes that have lightmap resolution of 2048)

Small Resolution - Specifies the multiplier for the number of low resolution (16) lightmaps that can be set in the level. (e.g. multiplier of 0 will set the minimum lightmap resolution of a mesh to 8; multiplier of 1 will set the minimum lightmap resolution of a mesh to 16)

For more information, see the VRayScene page.

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