2-Level run

The following graphs show levels 0 and 1 at time step 20 on the coarse grid. The refinement factor used in this run was 2 and the run parameters are as follows:
Base grid size: 65 x 65
Domain: xmin = -4.0 xmax = 4.0
Domain: ymin = -4.0 ymax = 4.0
Width of gaussian initial data: 0.5
Amplitude: 0.0625
Courant factor: 0.5
Number of iterations run: 20
Number of Grids: 2
Truncation Error threshold: 0.25