xsize = exch2_global_Nx
xSize = exch2_global_Nx
xySize = exch2_global_Nx*exch2_global_Ny
INTEGER exch2_global_Nx
& exch2_global_Nx, exch2_global_Ny,
& ' X-size=', exch2_global_Nx, ' , Y-size=', exch2_global_Ny
exch2_global_Nx = exch2_xStack_Nx
exch2_global_Nx = nbPts
exch2_global_Nx = W2_mapIO