November 19, 2007
GIS Applied to Chaco Canyon, New Mexico
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Casa Rinconada is heavily reconstructed. The entire model using geodetic referencing is oriented within 2 millimeters of ground truth. Thousands of photos were used to create a texture mosaic. Although it is a fairly uncomplicated building, it took four days to scan it with over 300 set ups for scanning, 160 man hours to create the model from the data, a total of four days in the field with a four man crew doing GPS work. “Quite a lot for a two-minute video,” said Friedman.
“Using GIS data to drive your 3D visualizations is a really powerful tool,” Friedman concluded. Watching the Chaco Canyon flythrough, he added: “If we hadn’t done the 3D model, we never would’ve realized the interconnection of roads between Bonito, the other buildings and the rest of the inhabited world of that time.”
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