Annotation info annotating a class id or key-point id.
The description of a semantic Class.
A helper type for mapping class IDs to class descriptions.
A 16-bit ID representing a type of semantic class.
An RGBA color tuple with unmultiplied/separate alpha, in sRGB gamma space with linear alpha.
A 16-bit ID representing a type of semantic keypoint within a class.
A connection between two Keypoints.
A String label datatype.
A 3x3 column-major Matrix.
A 4x4 column-major Matrix.
A Quaternion represented by 4 real numbers.
3D rotation represented by a rotation around a given axis.
Representation of an affine transform via a 3x3 affine matrix paired with a translation.
Representation of an affine transform via separate translation, rotation & scale.
A vector in 2D space.
A vector in 3D space.
A vector in 4D space.