'sf'（R包）的命名空间加载失败，无法加载共享对象
[英]namespace load failed for ‘sf’ (R package) , unable to load shared object
问题描述
I am attempting to install R 'sf' on a Centos machine. 
我试图在Centos机器上安装R'sf'。 After extended problems with gdal (now fixed by building from source), I now get: 在使用gdal扩展问题（现在通过从源代码构建修复）后，我现在得到：
Error: package or namespace load failed for ‘sf’ in dyn.load(file, DLLpath = DLLpath, ...):
unable to load shared object '/home/my_user_name/R/x86_64-redhat-linux-gnu- library/3.4/sf/libs/sf.so': /home/my_user_name/R/x86_64-redhat-linux-gnu-library/3.4/sf/libs/sf.so: undefined symbol: ZN15OGRMultiSurface18CastToMultiPolygonEPS 无法加载共享对象'/ home / my_user_name / R / x86_64-redhat-linux-gnu- library / 3.4 / sf / libs / sf.so'：/ home / my_user_name / R / x86_64-redhat-linux-gnu-library /3.4/sf/libs/sf.so: undefined symbol： ZN15OGRMultiSurface18CastToMultiPolygonEPS
How can I resolve this error? 我该如何解决这个错误？
1 个解决方案
解决方案1
1 2017-09-27 17:03:19
So, this problem was apparently caused by my manual install of gdal not correctly linking to geos. 所以，这个问题显然是由于我手动安装gdal而没有正确链接到geos。
So I just reinstalled gdal following these instructions ( https://trac.osgeo.org/gdal/wiki/BuildingOnUnix ) with --with-geos=yes as a flag to ./configure. 所以我只是按照这些说明（ https://trac.osgeo.org/gdal/wiki/BuildingOnUnix ）重新安装了gdal，其中--with-geos = yes作为./configure的标志。
This solved the problem. 这解决了这个问题。
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