var g1 = img.geometry();
print(g1);
var min = img.reduceRegion({
reducer: ee.Reducer.min(),
geometry: g1,
scale: 30,
maxPixels: 1e13
});
print('min', min);
最大值同理,需要框一个范围,直接.geometry()就好了
var g1 = img.geometry();
print(g1);
var min = img.reduceRegion({
reducer: ee.Reducer.min(),
geometry: g1,
scale: 30,
maxPixels: 1e13
});
print('min', min);
最大值同理,需要框一个范围,直接.geometry()就好了