【gee】下载modis土地利用类型

var china = ee.FeatureCollection('projects/assets/china_boundary');

var lc_dataset = ee.ImageCollection('MODIS/061/MCD12Q1')
    .filterDate('2001-01-01','2001-12-31')
    .select('LC_Type1');
  
// var modisLC_china=dataset.map(function(image){
//   return image.clip(china);
// });
    
var modisChinaLC = lc_dataset.mosaic().clip(china)

var igbpLandCoverVis = {
  min: 1.0,
  max: 17.0,
  palette: [
    '05450a', '086a10', '54a708', '78d203', '009900', 'c6b044', 'dcd159',
    'dade48', 'fbff13', 'b6ff05', '27ff87', 'c24f44', 'a5a5a5', 'ff6d4c',
    '69fff8', 'f9ffa4', '1c0dff'
  ],
};
// Map.setCenter(103, 40, 6);
Map.addLayer(modisChinaLC, igbpLandCoverVis, 'IGBP Land Cover');    //可视化



//下载数据 
Export.image.toDrive({
  image:modisChinaLC,
  description:"modis_china_2001_landcover",
  scale: 500,   //分辨率 
  region: china,
  crs: 'EPSG:4326',
  maxPixels: 1e13 ,  //设置最大像素数 
});