python调用GDAL实现几何校正

引自https://blog.****.net/qq_27045589/article/details/81062586

 def main():

     infile = "F:\\Temp_Data\\MOD13A2_20180610_H23V04_NDVI.tif"
     outfile = "F:\\Temp_Data\\MOD13A2_20180610_H23V04_NDVI_GEO.tif"

     dataset = gdal.Open(infile, gdal.GA_Update)
     gcps_list = [gdal.GCP(77.760364, 50.00, 0, 0, 0),
                  gdal.GCP(93.330364, 50.00, 0, 1199, 0),
                  gdal.GCP(78.320364, 40.01, 0, 1199, 1199),
                  gdal.GCP(65.270364, 40.01, 0, 0, 1199)]
     sr = osr.SpatialReference()
     sr.SetWellKnownGeogCS('WGS84')
     dataset.SetGCPs(gcps_list, sr.ExportToWkt())

     dst_ds = gdal.Warp(outfile, dataset, format='GTiff', tps=True,
                        xRes=0.01, yRes=0.01, dstNodata=-3000, srcNodata=-3000,
                        resampleAlg=gdal.GRIORA_Bilinear, outputType=gdal.GDT_Float32)
     # print dst_ds
     del dataset, gcps_list, sr

 if __name__ == '__main__':
     main()

校正前：

校正后：

注：envi_register_doit函数校正后图像范围发生变化，而GDAL图像校正不会出现这种问题。