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This page discusses the render settings in V-Ray for Houdini.

 

Section Contents

 Page Contents

 

Overview

The V-Ray Renderer (vray) node contains a multitude of options for both V-Ray and V-Ray RT. These settings include rendering speed and quality, global overrides, indirect illumination, caustics, and distributed rendering.

Additional rendering settings related to environment overrides can be accessed from the V-Ray Environment (env) node.

 

 

 

 UI Paths:

||out Network|| > V-Ray > V-Ray Renderer

 

 

||out Network|| > V-Ray > V-Ray Environment

 

 

||shop Network|| > V-Ray Material node > V-Ray > Environment > Environment Settings

 

 

 

Parameters


 

 

Render to Disk – Starts a V-Ray render.

Controls... – Launches the Houdini Render Control window.

Valid Frame Range – Specifies the frame(s) to render.

Render Current Frame – Renders the current frame.
Render Frame Range – Renders frames from the specified range set below as well as other frames if they are referenced by in-range frames.
Render Frame Range Only (Strict) – Only renders the frames in the specified range set below.

Start/End/Inc – Specifies the range of frames to render (start frame, end frame, and increment).

Render With Take – Renders using the settings from a specified take.

Camera – Specifies the camera to render from. The camera specified by this path must be a valid camera object in the scene, otherwise nothing will be rendered and an error will be logged in the console.

Override Camera Resolution – When enabled, the camera's resolution will be overridden, and the resolution specified from the V-Ray Renderer will be used instead.

 

Settings Tabs

When V-Ray is set as the renderer, V-Ray parameters are organized under several tabs in the renderer parameters. Additionally, some tabs have sub-tabs to help keep the settings organized.

  • Sampler – Determines how the scene is rendered. Includes options for the Image Sampler and DMC Sampler.
  • GI – Selection and settings for primary and secondary GI engines, GI caustics
  • Color Mapping – Controls color transformations that are applied to the final image colors
  • Camera – Settings relating to the render camera
  • Options – Options for globally controlling geometry, lighting, materials, and textures.
  • Displacement – Controls subdivision and displacement quality for all objects in the scene.
  • Caustics – Settings for rendering caustic effects.
  • IPR – Settings for the V-Ray IPR renderer.
  • DR – Options for Distributed Rendering.

 

Note: In V-Ray, the two tools that most greatly impact the balance of render quality vs. speed are the Image Sampler (under the Sampler tab) and GI engine(s) (under the GI tab). Learning the basics of how these two features work will greatly enhance your ability to adjust settings in V-Ray and maximize image quality while keeping render times to a minimum. See the linked pages for explanations on how these features work.

 

Environment Settings

The Environment render settings are accessed by creating a V-Ray Environment node. See the V-Ray Environment page for additional information.