关于ubuntu 16.04下 PCL库使用时的一些问题：

1.  libvtkRenderingPythonTkWidgets.so 不存在的问题：

报错：

-- The imported target "vtkRenderingPythonTkWidgets" references the file
   "/usr/lib/x86_64-linux-gnu/libvtkRenderingPythonTkWidgets.so"
but this file does not exist.  Possible reasons include:
* The file was deleted, renamed, or moved to another location.
* An install or uninstall procedure did not complete successfully.
* The installation package was faulty and contained
   "/usr/lib/cmake/vtk-6.2/VTKTargets.cmake"
but not all the files it references.

 

问题所在：

/usr/lib/x86_64-linux-gnu/libvtkRenderingPythonTkWidgets.so

   libvtkRenderingPythonTkWidgets.so 这个文件在/usr/lib/x86_64-linux-gnu/ 目录下不存在

解决方法：

   首先查看python-vtk6是否安装：

ls -l  /usr/lib/python2.7/dist-packages/vtk/libvtkRendering*

   如果没有该文件，那么执行：

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