A medium quality model (here decimated to 1000k) of a decorated keystone, bearing the figure of Archangel Michael, within the Romanesque style choir of the Roman Catholic Cathedral of Alba Iulia. It is one of the oldest depiction of its kind for the early Middle Ages, dating most likely from the last decades of the 13th Century. During the latest restoration works (2011) the polychromy of this keystone decoration was recreated. (copyright Arhiepiscopia Romano Catolica de Alba Iulia, 2017).
The model was created from a just 11 zenithal photos obtained using a 180 mm lens, as a test for documenting far away (reasonably flat) elements.
An image of the arches and the location of the keystone:
DEM with color ramp shader
Orthophotograph with tone mapping:
2 comments
@Studio Archimetria Actually the DEM is generated within Photoscan, then exported to Global Mapper for better viewing. It was just a quick test (I was not really supposed to be in that area, close to the altar), the arches are about 15 meters high, so I used the 180 mm lens, looking straight up. It works... Thank you, you are welcome.
very nice scan!
DEM map and Orthophotographic generated by RapidForm or PoinTools?
Thank you so much for sharing!