%clear 
clear path 

global Nx Ny Nz
global lat long dz dm mdep
global delt_su su_its t_su delt
global descriptor this_path
global f deltaf Q beta r_expt r_heat H
global time rots it
global g Cp rho_bar alpha
global u v t w ps
global iterations


param_file_name =   ...
   input(' Please enter the name of the m-file with the parameters for this run : ','s') ;
feval(param_file_name) ;

iterations

it = input(' Please enter iteration : ','s') 

path   = this_path 
cmdstr=['cd ' path ];
eval(cmdstr);
path=pwd

ufilename=(['U.' it ]);
vfilename=(['V.' it ]);
wfilename=(['W.' it ]);
tfilename=(['T.' it ]);
psfilename=(['PS.' it ]);
%u=rdmeta(ufilename,'b');
%v=rdmeta(vfilename,'b');
%t=rdmeta(tfilename,'b');

u=rdmds(ufilename,'b');
v=rdmds(vfilename,'b');
w=rdmds(wfilename,'b');
t=rdmds(tfilename,'b');
% ps=rdmds(psfilename,'b');

%w=zeros(Nx,Ny,Nz+1);
%dx=dm;
%dy=dm;
%
%for k=Nz:-1:1,
% w(1:Nx-1,1:Ny-1,k)= w(1:Nx-1,1:Ny-1,k+1)...
%                    -u(2:Nx,1:Ny-1,k)*dz/dx +u(1:Nx-1,1:Ny-1,k)*dz/dx ...
%                    -v(1:Nx-1,2:Ny,k)*dz/dy +v(1:Nx-1,1:Ny-1,k)*dz/dy ;
%end