sentinel2ImageDownload.txt

var select_location=ee.Geometry.Polygon([
  [139.54990890996453,35.653582525667964],
  [139.59385422246453,35.653582525667964],
  [139.59385422246453,35.693743953169324],
  [139.54990890996453,35.693743953169324],
  [139.54990890996453,35.653582525667964]]);


var ROI=ee.Geometry.Polygon([
  [138.96636456361483,35.43377142581984],
  [139.97161358705233,35.43377142581984],
  [139.97161358705233,35.83001330450479],
  [138.96636456361483,35.83001330450479],
  [138.96636456361483,35.43377142581984]]);


var bands=["B2","B3","B4","B5","B8","B11","B12"];
var start="2020-01-02";
var end="2020-01-04";

var S2Image=imageCollection
.filterDate(start,end)
.filterBounds(select_location)
.sort("CLOUD_COVER")
.select(bands);

var leastCloudImage=S2Image.first().clip(ROI);
var visParams={bands:["B4","B3","B2"],max:3000};
Map.addLayer(leastCloudImage,visParams);

var date=leastCloudImage.date().format('yyyy-MM-dd').getInfo();

Export.image.toDrive({
  image:leastCloudImage,
  description:"sentinel2_"+date,
  region:ROI,
  fileFormat:"GeoTIFF",
  scale:10,
  formatOptions: {
    cloudOptimized: true
  }
});