3D: Photo Imaging for Condition Detection, Monitoring, and Documentation
Photogrammetry can be used to create 3D models of buildings or objects. How? Overlapping images (at least 60% or more) are combined using photogrammetric software (Agisoft’s PhotoScan) to create point clouds which are then translated into a 3d mesh. The mesh is covered with a texture comprised of photographic images giving it color and detail. The mesh can be edited, patched and altered using another second party software such as Mesh Lab (allowing the user to make measurements and stitch the mesh) The method that we’re describing below is the working methodology for applications of photogrammetry that involve conservation. This approach use non- proprietary software and archival preservation formats.
What to avoid:
5. Photoscan uses a lot of computational resources. See the chart below for specifics on how many images can be used for each processed “chunk”. See the blog for more details on this step: http:// okeeffeimagingproject.wordpress.com/daily-documenting/video/