Tuesday 13 September 2011

Voxel for archaeology

This video regards a pretty old experiment we did in 2006 to understand the possibility of volumetric graphic (voxel) in archaeology. The data came from my thesis (University of Padua, professor G. Leonardi) and were elaborated inside GRASS. The 3d surfaces of top and bottom interfaces of one layer were imported into the GIS to produce a volumetric representation. This was possible thanks to the effort of Soeren Gebbert, who wrote a script to export the voxel from GRASS into a VTK file (which we loaded in ParaView). At the and of the experiment we had a complete virtual representation of the archaeological record (a destroyed burial connected with incineration practices). This "digital copy" was composed by two 3d raster surfaces (top and bottom), one volumetric reconstruction of the layer (voxel) and a lot of 3d vector levels of the finds (fragment of burned human bones, pottery and bronze). Below you can see a picture of the situation before a started to dig.

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