# Range Definitions

Structures for defining range definitions for curves, surfaces, and 3D objects.

This module provides structures that define range definitions for geometric entities:

- `A3DIntervalData`structure defines curve (1-dimensional) ranges.
- `A3DDomainData`structure defines surface (2-dimensional) ranges.
- `A3DBoundingBoxData`structure defines 3D ranges.

Range definitions specify the parts of geometric entities actually used in topological entities. These ranges are relative to a parameterization setting, which is specified in a curve’s parameterization data (`A3DParameterizationData`) or in a surface’s parameterization data (`A3DUVParameterizationData`).

> Generaly, parameters of ranges must be ordered, for any kind of range.

Structures

- `A3DIntervalData`
- `A3DDomainData`
- `A3DBoundingBoxData`

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