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Session 2: 3D Imaging, Photogrammetry
Date: Thursday, October 6, 2016, 16h00 (UK time)
Session coordinator: Sebastian Heath (Institute for the Study of the Ancient World, NYU)
YouTube link: https://youtu.be/1klrWS8hZnY
Session outline (Google doc)
In this session students will work with 3D models as well as be introduced to techniques and tools for making 3D models from photographs. 3D data is becoming pervasive in archaeology, both in the field and as a means of communicating with general audiences. During the session, students will use their computers to view models, look at and discuss some of the current efforts by museums to share (or not) 3D data, and survey software tools for working with the same. A focus will be the rapidly changing tools that are available for making models from photographs, a technique often referred to as "photogrammetry."
Heath, S. 2015. Closing Gaps with Low-Cost 3D. In: B. Olson and W. Caraher. Visions of Substance: 3D Imaging in Mediterranean Archaeology, pp. 53-61.
Poehler, E. 2015. Photogrammetry on the Pompeii Quadriporticus Project. In: B. Olson and W. Caraher. Visions of Substance: 3D Imaging in Mediterranean Archaeology, pp. 87-99.
Visions of Substance is available on DropBox
Browse the following models on SketchFab:
Your essay should consider and critique at least three models and their presentation. Fundamentally, your job is to assess the balance of hype, potential, and current utility of such models. Discuss what further steps or digital context could make these models more useful.
There are two options two pursue for your practical exercise. We will have reviewed the basics of each option in class, though students will need to adapt each demonstration to their own computers.
1: Download two 3d models from the internet, with SketchFab being your best source. Upload those models into your own SketchFab account and add at least three annotations to each.
2: Make your own model in Agisoft Photoscan. You can download a trial version of Photoscan from http://www.agisoft.com/downloads/installer/ and request a 30-day license via http://www.agisoft.com/downloads/request-trial/ . This option may be harder than the first. Because of variability in the machines that students have, it won't be possible to provide exact instructions. But making 3D models is fun and I encourage students to try. You can always fall back to Option 1 if you have problems.