3D Scanning Part 3: The End Result

18 09 2010

This picture shows the end result of the 3D scanning process, the sherd profile drawing.  On the left is a visual representation of all the profiles throughout the sherd, with the bluish colored dots at the bottom representing places where the sherd was broken.  On the left is the final drawing with sherd properly stanced and radius calculated.  This sherd dates to the end of the Middle Bronze Age, around 1450 BCE.  It was found in Area D, which was a section cut into the side of the tell next to the road, in order to determine whether an artificial glacis (or rampart) existed (more on this in the coming months, since this is the main topic of my ASOR conference paper).  Unfortunately Area D, along with half of Area A, is no longer with us, cut away by bulldozers expanding the main N-S highway from Amman to Jerash.

This illustration shows another benefit of basing the final drawing on a 3D scan, the ability to depict the sherd in three dimensions (seems obvious).  The gui interface was programmed to display side and top 3D views of the sherd, adding a nice touch to the traditional sherd profile drawing.  This bowl dates to the end of the Iron Age (the 6th century BCE) and was found in Area A.  It was excavated from a room directly inside the city wall, which was expanded at the end of the Iron IIB.

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3 responses

8 10 2010
George Pierce

Hey Owen, can you freely distribute that compiled gui interface or do we need to contact Avshalom? We also have a NextEngine 3D scanner at Jaffa and have a ton of profile drawings to create. I think that Aaron Burke was wanting to find a better way, but since your stuff works and looks great, I say we should go with the flow.

8 10 2010
ochesnut

hey george, you should contact avshalom directly, I’ll send you his email address. Since you are already using nextengine it should be pretty simple for you guys to use the interface and I’m sure avshalom will be happy to send you a version. You will also have to download meshlab to clean up the .obj files and save them as .wrl for inputting into the gui interface. I can walk you through those steps, if need be.

7 12 2010
Irriveheert

Hi, very interesting post, greetings from Greece!

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