vtk 计算重心

输入为X、Y、Z 三个值,计算重心 std::string filename = ../data/test; std::ifstream filestream(filename.c_str()); //文件流 std::string line; vtkSmartPointer m_Points = vtkSmartPointer::New(); double x, y, z; double sumx = 0, sumy = 0, sumz = 0; while(std::getline(filestream, line)) { //整