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This page provides details on the V-Ray for Unreal UI and how it is integrated into the Unreal interface.

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Overview

The V-Ray for Unreal toolbar gives you access to all of the settings and options available in V-Ray.

V-Ray Toolbar

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, open the V-Ray Settings tab, open the V-Ray Project Settings and open the VRScene Export Options. 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 and V-Ray Bake button have five states depending on the process that is currently running:

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V-Ray Render Button

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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 sceene. 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.

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V-Ray Bake Button

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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 baking. Meshes, textures, materials and lights are cached into memory.

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Rendering

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

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Busy

V-Ray is unloading resources, exits rendering and processes lightmaps.

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Finished

V-Ray has finished baking all atlases and lightmaps.

V-Ray Assets Category

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

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CardTooltip	Click to open the V-Ray Dome Light page.
PageToInclude	System Requirements
CardPageLink	V-Ray Light Dome Blueprint

V-Ray Light Dome

A dome light (also considered an area light) creates light within a dome or spherical shape to create a traditional global illumination setup. This Light is frequently used to load HDRI environment images.

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CardTooltip	Click to open the V-Ray Light Mesh page.
PageToInclude	System Requirements
CardPageLink	V-Ray Light Mesh Blueprint

V-Ray Light Mesh

A Mesh light creates a light source from an object's surface area.

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CardTooltip	Click to open the V-Ray Light Rectangle page.
PageToInclude	Installation
CardPageLink	V-Ray Light Rectangle Blueprint

V-Ray Light Rectangle

A V-Ray specific light source object that can be used to create physically accurate area lights of different shapes.

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CardTooltip	Click to open the V-Ray Physical Camera page.
PageToInclude	Installation
CardPageLink	Camera

V-Ray Physical Camera

Simulates a real-world camera with equivalent parameters such as f-stop, shutter speed, and lens focal length.

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CardTooltip	Click to open the V-Ray Physical Camera page.
PageToInclude	Installation
CardPageLink	VRAYSETTINGSENVIRONMENT

V-Ray Settings Environment

Control the color and texture for background in the viewport and also the color and texture used during GI and reflection/refraction calculations at render time.

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CardTooltip	Click to open the V-Ray Sun and Sky page.
PageToInclude	Getting Started
CardPageLink	V-Ray Sun and Sky Blueprint

V-Ray Sun and Sky

A Sun light is a spherical light source placed at a specific location which simulates the sun in the sky.

V-Ray Settings

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V-Ray Settings provide access to all render options available in V-Ray for Unreal. For more information, see the V-Ray Settings page.

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V-Ray Project Settings

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In V-Ray Project Settings you set global option for the entire Unreal project. For more information, see the V-Ray Project Settings page.

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V-Ray Bake Settings

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V-Ray Light Bake or just V-Ray Bake is the process of creating lightmaps with complex light interactions and diffuse interreflection using the V-Ray render engine and it's GI and Lighting calculations. For more information, see the V-Ray Bake Settings page.

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Import vrscene Dialogue

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

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For more information, see the Import a VRayScene page.

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Exporting vrscene Dialogue

The V-Ray Scene Export Options window appears when you export .vrscene files from Unreal.

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For more information, see the Exporting a VRayScene page.

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Content

Space Tools

Versions Compared

Old Version 40

New Version 41

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Overview

V-Ray Toolbar

Button States

V-Ray Assets Category

V-Ray Light Dome

V-Ray Light Mesh

V-Ray Light Rectangle

V-Ray Physical Camera

V-Ray Settings Environment

V-Ray Sun and Sky

V-Ray Settings

V-Ray Project Settings

V-Ray Bake Settings

Import vrscene Dialogue

Exporting vrscene Dialogue