GEE下載DEM高程數(shù)據(jù)代碼教程
var dataset = ee.Image('USGS/SRTMGL1_003');
var elevation = dataset.select('elevation');
var data = dataset.clip(roi);
var SA_DEM = data.select('elevation');
print(SA_DEM,'elevation');
Map.addLayer(SA_DEM,{min:0,max:3000},'StudyArea');
//Map.addLayer(dataset,{min:0,max:3000},'Dataset');
Export.image.toDrive({
?image:SA_DEM,
?description:'STRMDEM',
?scale:30,
?region:roi,
?maxPixels:1e13
})
標(biāo)簽：
