利用python GDAL库读写geotiff格式的遥感影像方法

from osgeo import gdalimport numpy as npdef read_tiff(inpath):  ds=gdal.Open(inpath)  row=ds.RasterXSize  col=ds.RasterYSize  band=ds.RasterCount  geoTransform=ds.GetTransform()  proj=ds.GetTransform()  data=np.zeros([row,col,band])  for i in range(band):   dt=ds.GetRasterBand(1)   data[:,:,i]=dt.ReadAsArray(0,0,col,row)  return data def array2raster(outpath,array,geoTransform,proj): cols=array.shape[1] rows=array.shape[0] driver=gdal.GetDriverByName('Gtiff') outRaster=driver.Create(newRasterfn,cols,rows,1,gdal.GDT_Byte) outRaster.SetGeoTransform(geoTransform)#参数2,6为水平垂直分辨率，参数3,5表示图片是指北的 outband=outRaster.GetRasterBand(1) outband.WriteArray(array) outRaster.SetProjection(proj)#将几何对象的数据导出为wkt格式 outRaster.FlushCache() if _name=="_main_":  data,geoTransform,proj=read_tiff('d:/a.tif')  array2raster("d:/b.tif",np.zeros[2400,2400],geoTransform,proj)