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
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

itstart = input(' Please enter start iteration : ','s') 
itend = input(' Please enter end iteration : ','s') 


sizeit=size(iterations);
for i=1:sizeit(1)
iter(i)=eval(iterations(i,1:10));
end
nitstart=find(iter==eval(itstart))
nitend=find(iter==eval(itend))

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

sumtheta=zeros(Nx,Ny/2,Nz);
counter=0;

for i=nitstart:nitend
tfilename=(['T.' iterations((i),1:10) ]) ;
t=rdmds(tfilename,'b');
sumtheta=sumtheta+t;
counter=counter+1;
end
meantheta=sumtheta/counter;

cmin=21;
cmax=31;
V=[cmin cmax];
V1=[0 2];
caxis('manual')

subplot(1,2,1)
        title='average temperature at z=5';
        imagesc(lat,long,squeeze(meantheta(:,:,5))');shading flat;axis image;colorbar('horizontal');
        set(gca,'ydir','norm')
        text(0,-30,descriptor);text(50,-30,num2str(nitend-nitstart+1));text(80,-30,'files');
        text(0,140,title);
%        text(0,-20,'from timestep');text(50,-20,num2str(itstart));
%	text(0,-10,'to'); text(50,-10,num2str(itend));

subplot(1,2,2)
%        contour(flipud(squeeze(meantheta(1:Nx-1,Ny/2,:))'),25);grid;colorbar;
        contour(flipud(squeeze(meantheta(:,Ny/2,3:Nz))'),50);colorbar;grid
        text(0,-2,'average temperature at mid-tank')
	tmax=max(max(meantheta(:,:,2)));
	[I,J]=find(meantheta(:,:,2)==tmax);
%figure
%caxis('manual')
%
%ff=zeros(Nx,Ny,Nz);
%for j=1:Ny
%ff(:,j,:)=f+beta*dm*(j-1);
%end
%
%subplot(1,2,1)
%        title='average temperature at z=3';
%        imagesc(lat,long,squeeze(meantheta(:,:,3))');shading flat;axis image;caxis(V);
%colorbar('horizontal');
%        set(gca,'ydir','norm')
%        text(0,-30,descriptor);text(50,-30,num2str(nitend-nitstart+1));text(80,-
%30,'files');
%        text(0,140,title);

%subplot(1,2,2)
%        contour(flipud(squeeze(meantheta(:,J,:))'),50);caxis(V);colorbar;grid
%        text(0,-2,'average temperature across the warmest point')