| 3D GIS | 3D Geographic Information System |
| IFCs | Industry Foundation Classes |
| OSGB | Open Scene Graph Binary |
| QEM | Quadric Error Metrics |
| AW-QEM | Angle-Weighting Quadric Error Metrics |
| LOD | Level of Detail |
| RVT | Revit Model File |
| OBJ | Object File |
| JSON | JavaScript Object Notation |
| Unity | Unity 3D Engine |
| CityGML | City Geographic Markup Language |
| SIFT | Scale-Invariant Feature Transform |
| AEC | Architecture, Engineering, and Construction |
| AIA | American Institute of Architects |
| OSG | Open Scene Graph |
| AOI | Area of Interest |
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