Année : 2010
- Caméra Leica ADS80.
- Maquette 3D d’Ashghabat
- Surface : 1200 km², GSD GSD In remote sensing, ground sample distance (GSD) is the spacing of areas represented by each pixel in a digital photo (such as an orthophoto) of the ground from air or space. For example, in an image with a one-metre GSD, each pixel represents a ground area of 1 square metre. : 10 cm.