*.gn

Format

 Nx
 Ny
 Nz
 dt            // Nx, Ny, and Nz are integers, but dt is floating-point.

This file outputs the final number nodes in each direction.

Example

         101
         101
         121
 1.00000E-14

It means there are 101 nodes in x and y direction, and 121 nodes in z direction, and dt is 1e-14 (s).