Character Creator

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Overview

Reallusion’s Character Creator Omniverse Connector is a plugin for transferring digital humans and motions from Character Creator 3 to an NVIDIA Omniverse Nucleus Server. Character Creator 3 and Omniverse in combination help a variety of industries such as AEC, M&E, Video Games, to access and deploy characters as task performers, virtual hosts or citizens for simulations and visualizations.

For further information, demos, downloads and video tutorials for Character Creator 3 and Omniverse, please visit Reallusion Website

User Manual

Getting Started

The Character Creator Omniverse Connector allows users to export characters, accessories, motions, and materials to USD and MDL. The file structure is well-organized, which allows users to easily replace content during collaboration. Please check the following videos to see how to generate a character from Character Creator, and import animated character USD to Omniverse Create.

Getting Started Part 1

Generating Characters with Character Creator

Getting Started Part 2

Importing Animated Character USD to Omniverse Create.

Installation Instructions

Please see Online Manual for Character Creator and Omniverse Installation for istallation instructions.

Usage Instructions

If you need further information or have any questions regarding the installation or use of Character Creator, please first visit Reallusion’s Forum.

File Update with Live Sync

For Character Creator 3.41, users who wish to render on the Omniverse Create will first need to export character and motion USD files to a designated folder, and load them into Omniverse Create.

This version of Omniverse Create can only Live-Sync updated files. In order to achieve live updates, the character will first need to be exported in USD format, then activate the Live-Sync capability in Omniverse Create. Automatic updates will be triggered every time the file is overwritten (also works with textures).

Live Sync real-time automatic updates is a feature that is slated for release in a later version.

Release Notes

General

  • Added support for Menu > Plugin > Omniverse > Export USD.

  • Added support for Export USD (Omniverse) in File > Export menu.

  • Added support for Export USD in the Toolbar.

  • If the plugin is not installed then a message prompt will appear inviting you to visit the instruction website.

  • The export will output many files with the main USD file referencing other mesh, material, motion usd files. This makes it convenient to update the files later.

Character

  • Everything put onto the character will also be exported. This includes accessories, hair, clothe, shoes, gloves, etc.

    • Does not include physics settings and collision shapes.

  • Animation Animation can be batch exported along with the character. The number of USD motion files is dependent on the number of motions selected for export.

    • Currently, blend-shape (morph) animation are not supported.

    • Special notice: The character should be exported with the animation for the best possible result. For example, animation applied from a standard proportion to a smaller character will give unexpected/erroneous results.

Material & Texture

  • Materials and texture files will also export with the character. Different MDLs will be given depending on the Export USD (Omniverse) > Material > Render Mode settings.

  • RTX Real-Time: All Digital Human shaders and SSS materials will use the Omniverse PBR shader.

  • RTX Path-Traced: Digital Human shader Skin, Head, Tearline, Eye occlusion, and SSS will all use the Omniverse SSS shader. This is an overall visual improvement at the expense of additional system resources.

  • “CC Omniverse Connector was developed for Omniverse Create 2021.1. There are some known issues with this version that will be subsequently addressed and resolved with the release of Omniverse Create 2021.2:

    • Appearance of line segments with the SSS shader, especially on the nose and jawline with the presence of an HDR enabled light dome.

    • Appearance of excessively bright highlights with the SSS shader, e.g. oily lips.”

Live Sync

  • For Character Creator 3.41, users who wish to render on the Omniverse Create will first need to export character and motion USD files to a designated folder, and load them into Omniverse Create.

  • This version of Omniverse Create can only Live-Sync updated files. In order to achieve live updates, the character will first need to be exported in USD format, then activate the Live-Sync capability in Omniverse Create. Automatic updates will be triggered everytime the file is overwritten (also works with textures).

  • Live Sync real-time automatic updates is a feature that is slated for release in a later version.”

Light

  • Rudimentary light settings such as rotations, translations, multiplier, and light textures can be brought into Omniverse Create.

    • Discrepancies in the light intensity can happen as a result of translating the Multiplier value.

IBL (Image Based Lighting)

  • The IBL map will carry over to Omniverse, basic matching will be applied to the IBL dome’s rotation and image strength.

    • Mismatch between the IBL dome position and brightness can still occur.

Roadmap

Upcoming features under consideration (in no particular order).

  • Further enhance the SSS shader by increasing support for CC’s Digital Human Shader, like adding the corresponding SSS shaders for the eyes and gums of the teeth.

  • Add support for blend-shapes, and morph animation in kind.

  • Support single-direction Live-Sync from Character Creator to Omniverse Create.

Known Issues