1. 程式人生 > >python調用GDAL實現幾何校正

python調用GDAL實現幾何校正

float out format wkt 發生 bsp tiff data int

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

 1 def main():
 2 
 3     infile = "F:\\Temp_Data\\MOD13A2_20180610_H23V04_NDVI.tif"
 4     outfile = "F:\\Temp_Data\\MOD13A2_20180610_H23V04_NDVI_GEO.tif"
 5 
 6     dataset = gdal.Open(infile, gdal.GA_Update)
 7     gcps_list = [gdal.GCP(77.760364, 50.00, 0, 0, 0),
8 gdal.GCP(93.330364, 50.00, 0, 1199, 0), 9 gdal.GCP(78.320364, 40.01, 0, 1199, 1199), 10 gdal.GCP(65.270364, 40.01, 0, 0, 1199)] 11 sr = osr.SpatialReference() 12 sr.SetWellKnownGeogCS(WGS84) 13 dataset.SetGCPs(gcps_list, sr.ExportToWkt()) 14 15 dst_ds = gdal.Warp(outfile, dataset, format=
GTiff, tps=True, 16 xRes=0.01, yRes=0.01, dstNodata=-3000, srcNodata=-3000, 17 resampleAlg=gdal.GRIORA_Bilinear, outputType=gdal.GDT_Float32) 18 # print dst_ds 19 del dataset, gcps_list, sr 20 21 22 if __name__ == __main__: 23 main()

校正前:

技術分享圖片

校正後:

技術分享圖片

註:envi_register_doit函數校正後圖像範圍發生變化,而GDAL圖像校正不會出現這種問題。

python調用GDAL實現幾何校正