Teresa Belcher, Particle, Nov 16, 2017.
3D Scanning of Shipwreck sites – Maritime Archaelogical Association of Western Australia (MAAWA) has been exploring and measuring data of shipwrecks site since the 70s and 80s, but with a relatively slow speed and effort-consuming. Whereas, with the application of Photogrammetry technology, the pace at which their volunteers measure and record 3D data of the sites has been greatly improved in speed and precision.
3D Scanning of Shipwreck sites. Images are for illustration purposes only.
In the past, the process of recording shipwreck site data includes hundreds of hours of diving, plus years of technical drawing to replicate the images of shipwreck sites. Meanwhile, with the Photogrammetry method, the entire area’s data is recorded within an hour with the photos scan. An example is the site where the SS Omeo is wrecked off shore Coogee. Comparing between the drawing and the 3D scan, we can see that there are errors in the drawing’s measurement – the middle area of the ship was actually curved (Belcher, 2017)
3D Scanning of Shipwreck sites. Images are for illustration purposes only.
The earliest drawing of MAAWA is the Trial from 1622. 3D scanned sites include Mira Floras, 12 meters under sea level off shore Rottnest, well protected by the coastal reefs. Also, there are the Macedon and Denton Holme which are the 2 large shipwreck sites in the Transit Bay in Rottnest Sanctuary Area, they can be seen clear while snorkelling.
3D Scanning of Shipwreck sites. Images are for illustration purposes only.
3D Scanning technology has become MAAWA’s excellent tool in rapid recording of 3D data of shipwreck sites with high precision, for the purpose of archaeology and public display.
This article first appeared on Particle, a science news website based at Scitech, Perth, Australia. Read the original article here.
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Tags: Smart Design Labs, 3D Scanning, Photogrammetry, 3D Scanning Shipwrecks.
