3D as a Content, 3D as a Metaphor.

TL;DRAbstract

The importance we attach to 3D is probably related to the manner we perceive the world. Humans in general seem attracted by all types of representations that are close to their perception. They represent objects and preserve information that seems important to them (ex. architecture). Archiving 3D data has at all times been a matter of will more that a matter of means. Since the XIXth century considerable efforts have been made to keep trace of 3D artefacts with the development of photogrammetry. The creation, the use and the archiving of 3D content is today at a technological and methodological crossroad, with a number of sustainability challenges clearly still open. With more technologies available and a renewed eagerness of data holders to develop spatial interfaces (including within GIS systems), the perennial handling of 3D content and associated information has become a challenge in itself. Indeed, 3D models have for now two decades flourished in and around the field of architect

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