Les données sont extraites de http://ws.geonames.org/export/#srtm3
Shuttle Radar Topography Mission (SRTM) elevation data. SRTM consisted of a specially modified radar system that flew onboard the Space Shuttle Endeavour during an 11-day mission in February of 2000. The dataset covers land areas between 60 degrees north and 56 degrees south.
This web service is using SRTM3 data with data points located every 3-arc-second (approximately 90 meters) on a latitude/longitude grid.
Webservice Type : REST
Url : ws.geonames.org/srtm3?
Parameters : lat,lng;
Result : a single number giving the elevation in meters according to srtm3, ocean areas have been masked as "no data" and have been assigned a value of -32768
Merci à Stéphanie pour son aide dans la réalisation du script