CMake Error at cMake/.../SOMETHING.cmake:29 (find_package): Could not find a package configuration file provided by "VTK" with any of the following names: VTKConfig.cmake vtk-config.cmake Add the installation prefix of "VTK" to CMAKE_PREFIX_PATH or set "VTK_DIR" to a directory containing one of the above files. If "VTK" provides a separate development package or SDK, be sure it has been installe..