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This page provides information on texture baking using the V-Ray Baker Tool.

 


Overview

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Rendering to texture, or "texture baking", creates texture maps based on an object's appearance in the rendered scene. The textures are then "baked" into the object that is, they become part of the object via mapping, and can be used to display the textured object rapidly on graphics cards using hardware-accelerated API such as OpenGL and DirectX.

V-Ray BakerTool is V-Ray's solution for texture baking in Houdini. It supports map baking, projection baking, bake to texture tiles and multiple geometries baking. All of these can also be animated. 


UI path: ||obj Network|| > Geometry node > Digital Assets > V-Ray BakerTool

 


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The V-Ray BakerTool SOP comes with 2 inputs:

  • A low poly input used to specify the path to the baked object;
  • A high poly input used to specify the source high-res geometry when using Projection baking.

These two inputs are also present as parameter fields on the node itself, in case you specify the path to a SOP node in another network instead of e.g. object merging. You can also specify more than one object when using the parameter fields instead of the node inputs. See the Common Use section below.

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Common Use
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Bake Now – Starts the baking process.

LowRes Meshes – Specifies the object(s) to be baked.

HighRes Mesh – (Available when Baking Mode is set to Projection Baking) Specifies the high poly mesh.

 
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V-BakerTools parameters are grouped into three main tabs. Find links to each tab below.

 


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VAlignmentstart
Columns2repeat(2, 1fr)
Columns3width1100px
Columns1repeat(3, 1fr)
Columns1width1740px
Columns2width1290px

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PageToIncludeSystem Requirements
CardPageLinkBake Tab

Bake Tab

Parameters available in the Bake Tab.

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PageToIncludeSystem Requirements
CardPageLinkRenderer Bake Tab

Renderer Tab

Parameters available in the Renderer Tab.

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CardPageLinkOutput Bake Tab

Output Tab

Parameters available in the Output Tab.

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Notes

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  • Preview of the final result is only available for one object.
  • Preview of the final result does not work when baking to texture tiles.
  • Object paths for the Low and High poly lists should be absolute.
  • Currently, there is no automatic support for Metalness workflow.
  • Final render must be started from the Execute Baking button in the V-Ray BakerTool's UI when the Low/High poly lists contain more than one object, or when baking to texture tiles.
  • When baking trough TOPs, files are saved with gamma 1.
  • Height/Displacement map based on distance between Low poly and High poly meshes no supported yet.