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VRayVolumeGrid is a special kind of volumetric effect that works with grid-based cache formats, compared to Environment Fog which is a general purpose volumetric effect. The Volumetric Grid reads its data from an input file which supports grid-based representation of the volume.

Currently, VRayVolumeGrid supports three volume formats:  

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  • OpenVDB (.vdb) – Supported by Houdini ®, FumeFX ® , and RealFlow ®  
  • Field3D (.f3d) – Supported by FumeFX ® and Maya ® (using 3rd party plugins)
  • PhoenixFD (.aur) – Phoenix FD ® native volume format

 

Immediately after the VRayVolumeGrid is created, a dialog appears for selecting the input file. After selection of the input file, a number of options are available to fine-tune and customize the volume.

 

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For a list of supported Render Elements, please check the V-Ray Render Elements Support page.

You may also check the Volumetric Rendering In-Depth guide for tips on speeding up the rendering of volumetric effects with V-Ray.

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titleUI Path: ||Create menu|| > V-Ray > V-Ray VolumeGrid...

||V-Ray Toolbar|| > V-Ray VolumeGrid


 

||V-Ray menu|| > Create > Geometry > V-Ray VolumeGrid

 

||Create panel|| > Geometry > V-Ray category > VRayVolumeGrid > Click in a viewport to create VRayVolumeGrid

 

||Create menu|| > V-Ray > V-Ray VolumeGrid > Click in a viewport to create VRayVolumeGrid

 

 

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The VRayVolumeGrid can also be created by dragging a relevant input file inside the active viewport.

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Volume Grid Options

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The following options are provided for modifying the appearance and rendering of the volume grid.

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