# Entity Constants

> 2.0

## Index

Preprocessor Definitions

- `kA3DTypeRoot`
- `kA3DTypeCrv`
- `kA3DTypeSurf`
- `kA3DTypeTopo`
- `kA3DTypeTess`
- `kA3DTypeMisc`
- `kA3DTypeRi`
- `kA3DTypeAsm`
- `kA3DTypeMkp`
- `kA3DTypeGraph`
- `kA3DTypeMath`
- `kA3DTypeFeat`
- `kA3DTypeDrawing`
- `kA3DTypeAdditionalPrcData`
- `kA3DTypeNonePRCData`
- `kA3DTypeMD`
- `kA3DTypeFRM`
- `kA3DTypeBIM`

Enumerations

- `A3DEEntityType`

Preprocessor Definitions

`kA3DTypeRoot`

  This type does not correspond to any entity.

`kA3DTypeCrv`

  Types for PRC geometrical curves.

  > Curves Module

`kA3DTypeSurf`

  Types for PRC geometrical surfaces.

  > Surfaces Module

`kA3DTypeTopo`

  Types for PRC topology.

  > Topology Module

`kA3DTypeTess`

  Types for PRC tessellation.

  > Tessellation Module

`kA3DTypeMisc`

  Types for PRC miscellaneous data.

`kA3DTypeRi`

  Types for PRC representation items.

  > Geometry Module

`kA3DTypeAsm`

  Types for PRC assembly.

  > Structure Module

`kA3DTypeMkp`

  Types for PRC markup.

`kA3DTypeGraph`

  Types for PRC graphics.

`kA3DTypeMath`

  Types for PRC mathematical operators.

`kA3DTypeFeat`

  Types for PRC feature entities.

`kA3DTypeDrawing`

  Types for PRC drawing.

  > Drawing Module

`kA3DTypeAdditionalPrcData`

  Types for PRC user data.

`kA3DTypeNonePRCData`

  Types for PRC user data.

`kA3DTypeMD`

  Types for PRC markup with definition.

`kA3DTypeFRM`

  Types for PRC features.

`kA3DTypeBIM`

  Types for PRC BIM data.

Conversation saved
HOOPSY BETA

### Hello! I'm HOOPSY

Your multilingual generative AI assistant for documentation. Ask me anything about HOOPS Exchange in your own language, or choose a sample question below to start a conversation:

What is HOOPS Exchange?
What are the latest release notes for HOOPS Exchange?
How do I start evaluating HOOPS Exchange?
How do I write my first sample application?
How can I get assistance?

HOOPSY may store conversations according to OpenAI's policy. Responses may not always be accurate.

HOOPSY is thinking...