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GeoVille > Elevation models > On demand worldwide HiRES

High Resolution Digital Elevation Model Production

 

Description High Resolution Digital Surface Models can be rapidly produced for any location in the world using 50cm stereographic imagery from GeoEye-1 or WorldView-1 and, if available, customer supplied ground control points (GCP’s).
Raster Resolution 1m (with customer supplied GCP’s)
2 - 5m (without GCP’s)
Vertical accuracy RMSE 6.0 Meter, without GCP’s
RMSE 0.9 - 1.5 Meter, depending on quality of customer supplied GCP’s
Minimum production area 225km²
Image tasking time 60-90 days (depending on satellite)
Production time 2 weeks (depending on size) after image acquisition

 

Comparison of 1 m LaserScanning derived DSM and 2m GeoEye-1 derived DSM

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