1. Definition 2. Functional Requirements 3. Syntax 4. Semantics

1    Definition

Body Descriptors is a Data Type represented according to

Gesture Descriptors is a Data Type representing the subset of Body Descriptors selected by an application to convey Gesture information.

2     Functional Requirements

Body Descriptors should enable the representation of the joints of a body.

3     Syntax

Syntax is given by ISO/IEC 19774-1:2019 Information technology – Computer graphics, image processing and environmental data representation – Part 1: Humanoid animation (HAnim) architecture.

The Body Descriptors XML Syntax is given by:

https://www.web3d.org/x3d/content/examples/X3dResources.html

4     Semantics

The semantics of Body Descriptors is provided by https://www.web3d.org/content/hanim-architecture-v2