Python中的Geotiff图像绘图

Question

我是Python中的新的Geotif图像。我有两个同一区域的Geotiff图像。但是，在绘制这两个图像之后，它们不匹配。以下是两个图像的元信息。

图像1

Files: sli_hh_ML_I_221.tif
Size is 640, 7368
Coordinate System is:
PROJCRS["unknown",
    BASEGEOGCRS["unknown",
        DATUM["unknown",
            ELLIPSOID["unknown",1737400,0,
                LENGTHUNIT["metre",1,
                    ID["EPSG",9001]]]],
        PRIMEM["Reference meridian",0,
            ANGLEUNIT["degree",0.0174532925199433,
                ID["EPSG",9122]]]],
    CONVERSION["Polar Stereographic (variant A)",
        METHOD["Polar Stereographic (variant A)",
            ID["EPSG",9810]],
        PARAMETER["Latitude of natural origin",90,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",1,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["(E)",south,
            MERIDIAN[90,
                ANGLEUNIT["degree",0.0174532925199433,
                    ID["EPSG",9122]]],
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(N)",south,
            MERIDIAN[180,
                ANGLEUNIT["degree",0.0174532925199433,
                    ID["EPSG",9122]]],
            ORDER[2],
            LENGTHUNIT["metre",1]]]
Data axis to CRS axis mapping: 1,2
Origin = (-56469.605829227773938,5384.527309082705870)
Pixel Size = (89.627161160045119,-21.283702822737492)
Metadata:
  AREA_OR_POINT=Area
Image Structure Metadata:
  INTERLEAVE=BAND
Corner Coordinates:
Upper Left  (  -56469.606,    5384.527) ( 95d26'48.61"W, 88d 7'46.10"N)
Lower Left  (  -56469.606, -151433.795) ( 20d27' 1.68"W, 84d40'26.23"N)
Upper Right (     891.777,    5384.527) (170d35'46.03"E, 89d49'12.04"N)
Lower Right (     891.777, -151433.795) (  0d20'14.66"E, 85d 0'32.78"N)
Center      (  -27788.914,  -73024.634) ( 20d50' 2.06"W, 87d25'25.54"N)
Band 1 Block=640x3 Type=Float32, ColorInterp=Gray
  NoData Value=nan

图像2

*ch2_sar_ncxl_20191017t234531221_d_sli_xx_fp_hh_d18_wrp.tif
Driver: GTiff/GeoTIFF
Files: ch2_sar_ncxl_20191017t234531221_d_sli_xx_fp_hh_d18_wrp.tif
Size is 2294, 6273
Coordinate System is:
PROJCRS["unknown",
    BASEGEOGCRS["unknown",
        DATUM["unknown",
            ELLIPSOID["unknown",1737400,0,
                LENGTHUNIT["metre",1,
                    ID["EPSG",9001]]]],
        PRIMEM["Reference meridian",0,
            ANGLEUNIT["degree",0.0174532925199433,
                ID["EPSG",9122]]]],
    CONVERSION["Polar Stereographic (variant A)",
        METHOD["Polar Stereographic (variant A)",
            ID["EPSG",9810]],
        PARAMETER["Latitude of natural origin",90,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8801]],
        PARAMETER["Longitude of natural origin",0,
            ANGLEUNIT["degree",0.0174532925199433],
            ID["EPSG",8802]],
        PARAMETER["Scale factor at natural origin",1,
            SCALEUNIT["unity",1],
            ID["EPSG",8805]],
        PARAMETER["False easting",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8806]],
        PARAMETER["False northing",0,
            LENGTHUNIT["metre",1],
            ID["EPSG",8807]]],
    CS[Cartesian,2],
        AXIS["(E)",south,
            MERIDIAN[90,
                ANGLEUNIT["degree",0.0174532925199433,
                    ID["EPSG",9122]]],
            ORDER[1],
            LENGTHUNIT["metre",1]],
        AXIS["(N)",south,
            MERIDIAN[180,
                ANGLEUNIT["degree",0.0174532925199433,
                    ID["EPSG",9122]]],
            ORDER[2],
            LENGTHUNIT["metre",1]]]
Data axis to CRS axis mapping: 1,2
Origin = (-56469.605829227773938,5384.527309082705870)
Pixel Size = (25.000000000000000,-25.000000000000000)
Metadata:
  AREA_OR_POINT=Area
Image Structure Metadata:
  INTERLEAVE=PIXEL
Corner Coordinates:
Upper Left  (  -56469.606,    5384.527) ( 95d26'48.61"W, 88d 7'46.10"N)
Lower Left  (  -56469.606, -151440.473) ( 20d26'58.70"W, 84d40'25.49"N)
Upper Right (     880.394,    5384.527) (170d42'50.59"E, 89d49'12.26"N)
Lower Right (     880.394, -151440.473) (  0d19'59.10"E, 85d 0'32.00"N)
Center      (  -27794.606,  -73027.973) ( 20d50'12.96"W, 87d25'24.93"N)
Band 1 Block=2294x1 Type=Float32, ColorInterp=Gray
  NoData Value=nan
Band 2 Block=2294x1 Type=Float32, ColorInterp=Undefined
  NoData Value=nan*

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