Category Archives: GIS

Geographic Information Systems in archaeology and Egyptology.

Finishing the map, georeferencing the pyramid of Djedefre

Georeferencing a map of the pyramid complex of Djedefre, wrestling with inaccuracies, residuals and RMSE. Continue reading

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Errors, inaccuracies, resolution and RMSE: Georeferencing a difficult map of Abu Rawash’s pyramid and cemeteries

What makes georeferencing historic maps difficult and how does the process work? Here I georeference a problematic map of Abu Rawash, pyramid and cemeteries, Egypt. Continue reading

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Wonky Giza pyramids: Oblique satellite imagery and georeferencing

Satellite imagery is very precise but can still exhibit parallax. This is a particular issue for georeferencing historic maps, demonstrated here with reference to the Giza Pyramids. Continue reading

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Shifting mastabas: Georeferencing a plan of a Fourth Dynasty Egyptian mastaba cemetery, at Abu Rawash.

How do archaeologists relate historic maps and plans to modern satellite imagery and maps? This post and video shows how a historic map of mastaba cemetery F at Abu Rawash, Egypt was georeferenced with ArcGIS. Continue reading

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Ditch that total station and grab your tablet? ArcGIS Collector and QGIS QField mobile-GIS survey apps reviewed.

How do the latest mobile-GIS apps measure up in the field? I review two new approaches to archaeological survey. Continue reading

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