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解决python gdal投影坐标系转换的问题,
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@H_
403_0@
要将xian80地理坐标系转换成投影坐标系:
xian1980 = """
GEOGCS["GCS_Xian_1980",DATUM["Xian_1980",SPHEROID["Xian_1980",6378140.0,298.257]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]]"""
prjreference = 'PROJCS["Xian_1980_3_Degree_GK_Zone_37",GEOGCS["GCS_Xian_1980",DATUM["D_Xian_1980",0.0174532925199433]],PROJECTION["Gauss_Kruger"],PARAMETER["False_Easting",37500000.0],PARAMETER["False_Northing",PARAMETER["Central_Meridian",111.0],PARAMETER["Scale_Factor",1.0],PARAMETER["Latitude_Of_Origin",UNIT["Meter",1.0]]'
@H_
403_0@
转换后会报错:
latlong = transform.TransformPoint(x,y)
File "/usr/lib/python3/dist-packages/osgeo/osr.py",line 711,in TransformPoint
return _osr.CoordinateTransformation_TransformPoint(self,*args)
NotImplementedError: Wrong number or type of arguments for overloaded function 'CoordinateTransformation_TransformPoint'.
Possible C/C++ prototypes are:
OSRCoordinateTransformationShadow::TransformPoint(double [3])
OSRCoordinateTransformationShadow::TransformPoint(double [3],double,double)
**想想之前也没发现过这个问题呀,最后发现之前投影坐标系:**
'PROJCS["Xian_1980_3_Degree_GK_Zone_37",PROJECTION["Transverse_Mercator"],1.0]]'
**不是高斯-克吕格投影而是横轴墨卡托,我想原因可能是gdal库里只能支持高斯-克吕格投影吧。**
@H_
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