/[MITgcm]/MITgcm_contrib/high_res_cube/matlab-grid-generator/gen32grid.m
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Contents of /MITgcm_contrib/high_res_cube/matlab-grid-generator/gen32grid.m

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Revision 1.1.1.1 - (show annotations) (download) (vendor branch)
Tue Nov 11 18:08:08 2003 UTC (21 years, 8 months ago) by cnh
Branch: MAIN, initial
CVS Tags: baseline, HEAD
Changes since 1.1: +0 -0 lines
Checking in work done with Dimitri on high-resolution cube gridding and parallel 
communications. 
   o code is in a contrib experiment for now so we can continue collaborating
     on it. However most code is general and will be moved into main branch once 
     it is fully hardened.
   o There are README files in the contrib root and in the subdirectories that
     explain the contents

1 format compact
2 path('/u/u0/dimitri/matlab/tools',path);
3 path('/u/u0/dimitri/matlab/whoi',path);
4 path('/u/u0/dimitri/matlab/mitgcm',path);
5 path('/u/adcroft/matlab/bin',path);
6
7 nx=32;
8
9 %for typ={'conf','q=0','q=1','q=1/2','q=7/8','q=i3','tan','tan2','new'}
10
11 for typ={'conf'}
12
13 [dxg,dyg,dxf,dyf,dxc,dyc,dxv,dyu,Ec,Eu,Ev,Ez,latC,lonC,latG,lonG,...
14 Q11,Q22,Q12, TUu,TUv,TVu,TVv ]=gengrid_fn(nx+1,16,typ{1},'c',0,1);
15 theta=zeros(nx/2,nx/2);
16 for i=1:nx/2, for j=1:nx/2
17 lat=[latG(i,j) latG(i+1,j)]*180/pi;
18 lon=[lonG(i,j) lonG(i+1,j)]*180/pi;
19 a=dist(lat,lon,'sphere');
20 lat=[latG(i,j) latG(i,j+1)]*180/pi;
21 lon=[lonG(i,j) lonG(i,j+1)]*180/pi;
22 b=dist(lat,lon,'sphere');
23 lat=[latG(i+1,j) latG(i,j+1)]*180/pi;
24 lon=[lonG(i+1,j) lonG(i,j+1)]*180/pi;
25 c=dist(lat,lon,'sphere');
26 theta(i,j)=acos((a^2+b^2-c^2)/2/a/b);
27 end, end
28 disp(typ{1})
29 disp(minmax(dxg*6371))
30 disp(minmax(dxg(1:nx/2,1:nx/2)./dyg(1:nx/2,1:nx/2)))
31 tmp=theta*180/pi; tmp(1,1)=nan;
32 disp(minmax(tmp))
33 mypcolor(theta*180/pi); colorbar
34 title(typ{1})
35 tmp=typ{1}; tmp(strfind(tmp,'/'))='_';
36 eval(['print -dpsc FIG' tmp])
37
38 end
39
40 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
41 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
42
43 clear all, close all, nx=32; genx;
44 pn='/u/u0/dimitri/MITgcm/verification/hs94.cs-32x32x5/input/';
45 PN='/u/u0/dimitri/cubed_sphere/cs-conf-c-32-128/';
46
47 long=readbin([pn 'LONG.bin'],[nx 6 nx],1,'real*8');
48 latg=readbin([pn 'LATG.bin'],[nx 6 nx],1,'real*8');
49 LONG=zeros(nx,6,nx); LATG=zeros(nx,6,nx);
50 for i=1:6
51 tmp=readbin([PN 'LONG.' myint2str(i,3) '.bin'],[nx+1 nx+1],1,'real*8');
52 LONG(:,i,:)=tmp(1:nx,1:nx);
53 tmp=readbin([PN 'LATG.' myint2str(i,3) '.bin'],[nx+1 nx+1],1,'real*8');
54 LATG(:,i,:)=tmp(1:nx,1:nx);
55 end
56 for i=1:6
57 subplot(3,2,i)
58 plot(squeeze(long(:,i,:)),squeeze(latg(:,i,:)),'bo', ...
59 squeeze(LONG(:,i,:)),squeeze(LATG(:,i,:)),'k.')
60 title(i)
61 end
62
63 clf
64 subplot(211), fld=[pn 'LONG.bin']; plotfld, title('LONG')
65 subplot(212), fld=[pn 'LATG.bin']; plotfld, title('LATG')
66
67 lonc=readbin([pn 'LONC.bin'],[nx 6 nx],1,'real*8');
68 latc=readbin([pn 'LATC.bin'],[nx 6 nx],1,'real*8');
69 LONC=zeros(nx,6,nx); LATC=zeros(nx,6,nx);
70 for i=1:6
71 LONC(:,i,:)=readbin([PN 'LONC.' myint2str(i,3) '.bin'],[nx nx],1,'real*8');
72 LATC(:,i,:)=readbin([PN 'LATC.' myint2str(i,3) '.bin'],[nx nx],1,'real*8');
73 end
74 for i=1:6
75 subplot(3,2,i)
76 plot(squeeze(lonc(:,i,:)),squeeze(latc(:,i,:)),'bo', ...
77 squeeze(LONC(:,i,:)),squeeze(LATC(:,i,:)),'k.')
78 title(i)
79 end
80
81 for nm={'DXC','DYC','DXF','DYF','DXG','DYG','DXV','DYU','RA','RAS','RAW','RAZ'}
82 fld=tile_fld(PN,nm{1},nx);
83 writebin([PN nm{1} '.bin'],fld,1,'real*8');
84 subplot(311), fld=[pn nm{1} '.bin']; plotfld, title([pn nm{1}]), tmp1=tmp;
85 subplot(312), fld=[PN nm{1} '.bin']; plotfld, title([PN nm{1}]), tmp2=tmp;
86 subplot(313), mypcolor(tmp2'-tmp1'); colorbar, title('difference')
87 disp(minmax((tmp1-tmp2)./tmp2)), pause
88 end

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