| 1 | 
clear  | 
| 2 | 
clear path  | 
| 3 | 
whos | 
| 4 | 
global Nx Ny Nz | 
| 5 | 
global lat long dz dm mdep | 
| 6 | 
global delt_su su_its t_su delt | 
| 7 | 
global descriptor this_path | 
| 8 | 
global f deltaf Q beta r_expt r_heat H | 
| 9 | 
global time rots it | 
| 10 | 
global g Cp rho_bar alpha | 
| 11 | 
global u v t w  | 
| 12 | 
global iterations | 
| 13 | 
 | 
| 14 | 
XCenter = Nx/2 ; | 
| 15 | 
YCenter = Ny/2 ; | 
| 16 | 
R2 = 55 ; | 
| 17 | 
% create large circular mask | 
| 18 | 
mask=ones(Nx,Ny);  | 
| 19 | 
for i=1:Nx | 
| 20 | 
  for j=1:Ny | 
| 21 | 
    DispX=XCenter-i; | 
| 22 | 
    DispY=YCenter-j; | 
| 23 | 
      if ( DispX^2 + DispY^2 >= R2^2 )  | 
| 24 | 
        mask(i,j)=0; | 
| 25 | 
      end | 
| 26 | 
  end | 
| 27 | 
end | 
| 28 | 
 | 
| 29 | 
cmin=-1e-4; | 
| 30 | 
cmax=+1e-4; | 
| 31 | 
V=[cmin cmax]; | 
| 32 | 
figure | 
| 33 | 
caxis('manual') | 
| 34 | 
        pcolor(lat,long,squeeze(w(:,:,2)).*mask);shading('interp'); | 
| 35 | 
        axis image;caxis(V);colorbar('horizontal'); |