谷歌地球引擎（元值提取）

var p1 = ee.Geometry.Point([142.36083984375, -37.466138602344046])
var p2 = ee.Geometry.Point([143.23974609375, -37.04640889969956])
var pts = ee.FeatureCollection(ee.List([ee.Feature(p1).set('name','p1'),ee.Feature(p2).set('name','p2')]))

//导入MODIS地表温度产品
var L82014pre = ee.ImageCollection("MODIS/006/MOD11A1")
.filterDate('2015-06-13','2015-10-15')

var ft = ee.FeatureCollection(ee.List([]))

var fill = function(img, ini) {
  var inift = ee.FeatureCollection(ini)
  //提取像元值
  var ft2 = img.sampleRegions({
  collection:pts,
  //把点要素的name属性加到新产生的要素里面
  properties:ee.List(['name']),
  scale:30
  });
  var date = img.date().format()
  var ft3 = ft2.map(function(f){return f.set("date", date)})
  return inift.merge(ft3)
}

// 对影像进行迭代，并把迭代结果保存成要素集
var newft = ee.FeatureCollection(L82014pre.iterate(fill, ft))

Export.table.toDrive({
  collection: newft,
  description: 'sample_get',
  fileFormat: 'CSV'
});