Page History

The Extra Texture Render Element shows the rendered image with a single texture applied to all objects in the scene. The texture applied to the scene can be a bitmap or a procedural texture such as VRayDirt or  or VRayCurvature.

A common use for VRayExtraTex is to use use VRayDirt as the texture, which creates an ambient occlusion element for use in the composite. In this way, ambient occlusion can be controlled separately during the compositing process.

While a similar result to the VRayExtraTex render element can be obtained by applying the same texture to all objects in the scene and rendering, as usual, such an approach requires additional time spent on reverting to actual materials, saving different versions of the scene, etc. The VRayExtraTex render element provides a quick and easy way to render the scene with a single texture without the extra work.

UI Expand
title UI Path: ||Display Render Settings button|| > Render Elements tab > Extra Tex
Section Column width 25%   Column width 50% Multiexcerpt include MultiExcerptName RE PageWithExcerpt Render Elements Column width 25%   Image Removed   To use render elements, select from the Available render elements column and click the Add button to add the passes you wish to generate at render time. When you render the scene, the added render elements listed in the column on the right, will also render, which can be viewed from the VFB window's channel drop-down menu. For more information on the parameters on this dialog, see the Render Elements tab page.

Enabled – – The render element is generated.

Deep output – Specifies whether to include this render element in deep images.

Filename suffix – Appends this value to the name of the channel, followed by the name of the connected texture when an explicit channel name is not specified.

Type – Specifies the type of texture that is used for rendering the extraTex channel.

Texture– Allows a bitmap or a procedural texture to be connected. This is the default option. A Texture field is available for selection, when this option is selected.
Float Texture – The extraTex produces a floating-point number that masks each object. Connect a vrayUserScalar texture to read custom floating values from vrayUserAttributes per object. Alternatively, some types of geometry can generate or receive custom float values that can also be passed to VRayExtraTex with vrayUserScalar. This is mostly used in compositing package scripts for find-by-id masking. Filtering and AA do not affect VRayExtraTex in this mode. For more information, see the Notes section. 
Int Texture – The extraTex will produce an integer number that masks each object. Connect a vrayUserInteger texture to read custom integer values from vrayUserAttributes per object. Alternatively, some types of geometry generate or receive custom integer indices that can also be passed to VRayExtraTex with vrayUserInteger. This is mostly used in compositing package scripts for find-by-id masking. Filtering and AA do not affect VRayExtraTex in this mode. For more information, see the Notes section.

Consider for Anti-Aliasing – When enabled, anti-aliasing is used where possible.

Filtering – Applies the image filter to this channel. Image filter settings are in the Image Sampler rollout in the VRay tab of the Render Settings.

Affect Matte Objects – Sets whether to include matte objects when generating the render element. A matte object is an object that has been assigned a Wrapper Material or VRayObjectProperties with the Matte surface option enabled.

Explicit channel name – Specifies an explicit name for the generated image channel.

Exclude list – Specifies a set of objects to be excluded from the extraTex channel.

Exclude list as inclusive set – Inverts the effect of the Exlude List parameter, making it an inclusive set.

Force 32 bit output – When enabled, stores the Extra Texture render element as a 32-bit float even when writing a 16-bit raw image. This option applies only to multichannel .exr files.

Denoise – Enables the render element's denoising, provided the Denoiser render element is present.

Force lossless compression – When enabled, lossy DWAA/DWAB compression is not applied to the VRayExtraTex data stored in a multichannel exr. This option applies only to multichannel .exr files.

Background Color – Specifies a custom background color.

Image RemovedImage Added