If you think about it, STL files are like PDF files. You usually create them using some other program, export them, and then expect them to print. But you rarely do serious editing on a PDF or an ...
Convert .msh mesh file (Quadrilateral) of gmsh to .vtk file. Written in modern C++ (C++11 standard, intensive use of C++ STL). After a major refactoring, the code has been tested with MinGW g++ 9.20 ...