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| Name | HOOPS Stream Format | CATIA Graphical Representation |
| File extension | .hsf | .cgr |
| Original software | CATIA V5 | |
| Binary | ■ | ■ |
| ASCII | ||
| Polygonal | ■ | ■ |
| NURBS | ||
| Solids | ||
| Smoothing groups | ■ | ■ |
| Textures, materials | ■ | ■ |
| Developer/Owner | Tech Soft 3D | Dassault Systemes |
| Description | ||
| Specification | Open HSF doc | |
| Format features | One attempt to create « universal » 3D-format for publishing CAD-models. To date, work on improving it stopped | The format in which CATIA stores a simplified version of representations of solid and surface models |
| Viewing software | Hoops Publish | 3DXML Player (free) |