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
global iterations


cmin=20;
cmax=28;
V=[cmin cmax];

counter=0;
for i=2:8:Nx,
counter=counter+1;
x(counter)=i;
end

counter=0;
for i=2:4:Ny,
counter=counter+1;
y(counter)=i;
end

nz=5
caxis('manual')
%	colormap gray
%        cmap=flipud(colormap);
	cmap=zeros(64,3);
        colormap(cmap);

%        imagesc(lat,long,squeeze(t(:,:,nz))');shading flat;axis image;caxis(V);
        contour(squeeze(t(:,:,nz))',21:1:30);shading flat;axis image;caxis(V);
%       colorbar('horizontal');
        set(gca,'ydir','norm','FontSize',15,'XtickLabel','|','YTickLabel','|')
	xlabel('X','FontSize',20)
	ylabel('Y','FontSize',20,'Rotation',[0])
hold on

quiver(x,y,u(2:8:Nx,2:4:Ny-2,nz)',v(2:8:Nx,2:4:Ny-2,nz)')
% title(['velocity and temperature at the timestep ' num2str(eval(it)) ' level ' int2str(5) ]);
hold off