matlab_class/ecco_v4/cost_seaicearea.m

function []=cost_seaicearea(dirModel,dirMat,doComp,dirTex,nameTex);
%object:        compute cost function term for sea ice data
%inputs:        dimodel is the model directory
%               dirMat is the directory where diagnozed .mat files will be saved
%                     -> set it to '' to use the default [dirModel 'mat/']
%               doComp is a switch (1->compute; 0->display)
%optional:      dirTex is the directory where tex and figures files are created
%                 (if not specified then display all results to screen instead)
%               nameTex is the tex file name (default : 'myPlots')

if isempty(dirMat); dirMat=[dirModel 'mat/']; else; dirMat=[dirMat '/']; end;
if isempty(dir(dirMat)); eval(['!mkdir ' dirMat ';']); end;

%determine if and where to create tex and figures files
dirMat=[dirMat '/'];
if isempty(who('dirTex'));
  addToTex=0;
else;
  if ~ischar(dirTex); error('mis-specified dirTex'); end;
  addToTex=1;
  if isempty(who('nameTex')); nameTex='myPlots'; end;
  fileTex=[dirTex nameTex '.tex'];
end;

if doComp;

%load grid
gcmfaces_global;
if ~isfield(mygrid,'XC'); grid_load('./GRID/',5,'compact'); end;
if ~isfield(mygrid,'LATS_MASKS'); gcmfaces_lines_zonal; end;

fld_err=ones(90,1170);
fld_err=convert2gcmfaces(fld_err);
fld_w=fld_err.^-2;

%%%dirData='/net/weddell/raid3/gforget/ecco_v4/input_files/';
dirData='/net/nares/raid11/ecco-shared/ecco-version-4/input//';

fileModel=dir([dirModel 'barfiles/gbar_area*data']); 
fileModel=['barfiles/' fileModel.name];

fld_dif=convert2gcmfaces(NaN*ones(90,1170,12*19));

IceAreaNorthMod=zeros(1,228);
IceAreaSouthMod=zeros(1,228);
IceAreaNorthObs=zeros(1,228);
IceAreaSouthObs=zeros(1,228);

for ycur=1992:2010;
 tic;
 for mcur=1:12;
%%%    fld_dat=v4_read_bin([dirData 'gael_quick_interp/g_SST_monthly_r2_' num2str(ycur)],mcur,0);
%%%    fld_dat=v4_read_bin([dirData 'input_nsidc_postproc/NSIDC0079_v4_gael_' num2str(ycur)],mcur,0);
    fld_dat=v4_read_bin([dirData 'input_nsidc_all/nsidc79_monthly_' num2str(ycur)],mcur,0);

  fld_dat(find(fld_dat==0))=NaN;
  fld_dat(find(fld_dat<-99))=NaN;

  mm=(ycur-1992)*12+mcur;
  fld_mod=v4_read_bin([dirModel fileModel],mm,1).*mygrid.mskC(:,:,1);
 
  fld_dif(:,:,mm)=fld_mod-fld_dat;

  fld=fld_mod.*mygrid.RAC.*(mygrid.YC>0); IceAreaNorthMod(mm)=nansum(fld);
  fld=fld_mod.*mygrid.RAC.*(mygrid.YC<0); IceAreaSouthMod(mm)=nansum(fld);
  fld=fld_dat.*mygrid.RAC.*(mygrid.YC>0); IceAreaNorthObs(mm)=nansum(fld);
  fld=fld_dat.*mygrid.RAC.*(mygrid.YC<0); IceAreaSouthObs(mm)=nansum(fld);

 end;
 toc;
end;

fld_rms=sqrt(nanmean(fld_dif.^2,3));
fld_cost=fld_rms.^2.*fld_w;

eval(['save ' dirMat '/cost_seaicearea.mat fld_err fld_rms fld_cost IceAreaNorthMod IceAreaSouthMod IceAreaNorthObs IceAreaSouthObs;']);

else;%display previously computed results

global mygrid;

eval(['load ' dirMat '/cost_seaicearea.mat;']);

%figure; m_map_gcmfaces(fld_cost,0,{'myCaxis',[0:0.2:1.2 1.5:0.5:3 4:1:6 8 10]});
%figure; m_map_gcmfaces(fld_err,0,{'myCaxis',[0:0.2:1.2 1.5:0.5:3 4:1:6 8 10]/2});

figure; m_map_gcmfaces(fld_rms,0,{'myCaxis',[0:0.1:1.]});
myCaption={'modeled-observed rms -- sea ice area (K)'};

if addToTex; write2tex(fileTex,2,myCaption,gcf); end;

end;


1	gforget	1.2	function []=cost_seaicearea(dirModel,dirMat,doComp,dirTex,nameTex);
2	heimbach	1.1	%object: compute cost function term for sea ice data
3			%inputs: dimodel is the model directory
4			% dirMat is the directory where diagnozed .mat files will be saved
5			% -> set it to '' to use the default [dirModel 'mat/']
6			% doComp is a switch (1->compute; 0->display)
7			%optional: dirTex is the directory where tex and figures files are created
8			% (if not specified then display all results to screen instead)
9	gforget	1.2	% nameTex is the tex file name (default : 'myPlots')
10	heimbach	1.1
11			if isempty(dirMat); dirMat=[dirModel 'mat/']; else; dirMat=[dirMat '/']; end;
12			if isempty(dir(dirMat)); eval(['!mkdir ' dirMat ';']); end;
13
14			%determine if and where to create tex and figures files
15			dirMat=[dirMat '/'];
16			if isempty(who('dirTex'));
17			addToTex=0;
18			else;
19			if ~ischar(dirTex); error('mis-specified dirTex'); end;
20	gforget	1.2	addToTex=1;
21			if isempty(who('nameTex')); nameTex='myPlots'; end;
22			fileTex=[dirTex nameTex '.tex'];
23	heimbach	1.1	end;
24
25			if doComp;
26
27			%load grid
28			gcmfaces_global;
29			if ~isfield(mygrid,'XC'); grid_load('./GRID/',5,'compact'); end;
30			if ~isfield(mygrid,'LATS_MASKS'); gcmfaces_lines_zonal; end;
31
32			fld_err=ones(90,1170);
33			fld_err=convert2gcmfaces(fld_err);
34			fld_w=fld_err.^-2;
35
36			%%%dirData='/net/weddell/raid3/gforget/ecco_v4/input_files/';
37			dirData='/net/nares/raid11/ecco-shared/ecco-version-4/input//';
38
39			fileModel=dir([dirModel 'barfiles/gbar_area*data']);
40			fileModel=['barfiles/' fileModel.name];
41
42			fld_dif=convert2gcmfaces(NaNones(90,1170,1219));
43
44			IceAreaNorthMod=zeros(1,228);
45			IceAreaSouthMod=zeros(1,228);
46			IceAreaNorthObs=zeros(1,228);
47			IceAreaSouthObs=zeros(1,228);
48
49			for ycur=1992:2010;
50			tic;
51			for mcur=1:12;
52			%%% fld_dat=v4_read_bin([dirData 'gael_quick_interp/g_SST_monthly_r2_' num2str(ycur)],mcur,0);
53			%%% fld_dat=v4_read_bin([dirData 'input_nsidc_postproc/NSIDC0079_v4_gael_' num2str(ycur)],mcur,0);
54			fld_dat=v4_read_bin([dirData 'input_nsidc_all/nsidc79_monthly_' num2str(ycur)],mcur,0);
55
56			fld_dat(find(fld_dat==0))=NaN;
57			fld_dat(find(fld_dat<-99))=NaN;
58
59			mm=(ycur-1992)*12+mcur;
60			fld_mod=v4_read_bin([dirModel fileModel],mm,1).*mygrid.mskC(:,:,1);
61
62			fld_dif(:,:,mm)=fld_mod-fld_dat;
63
64			fld=fld_mod.mygrid.RAC.(mygrid.YC>0); IceAreaNorthMod(mm)=nansum(fld);
65			fld=fld_mod.mygrid.RAC.(mygrid.YC<0); IceAreaSouthMod(mm)=nansum(fld);
66			fld=fld_dat.mygrid.RAC.(mygrid.YC>0); IceAreaNorthObs(mm)=nansum(fld);
67			fld=fld_dat.mygrid.RAC.(mygrid.YC<0); IceAreaSouthObs(mm)=nansum(fld);
68
69			end;
70			toc;
71			end;
72
73			fld_rms=sqrt(nanmean(fld_dif.^2,3));
74			fld_cost=fld_rms.^2.*fld_w;
75
76			eval(['save ' dirMat '/cost_seaicearea.mat fld_err fld_rms fld_cost IceAreaNorthMod IceAreaSouthMod IceAreaNorthObs IceAreaSouthObs;']);
77
78			else;%display previously computed results
79
80			global mygrid;
81
82			eval(['load ' dirMat '/cost_seaicearea.mat;']);
83
84			%figure; m_map_gcmfaces(fld_cost,0,{'myCaxis',[0:0.2:1.2 1.5:0.5:3 4:1:6 8 10]});
85			%figure; m_map_gcmfaces(fld_err,0,{'myCaxis',[0:0.2:1.2 1.5:0.5:3 4:1:6 8 10]/2});
86
87			figure; m_map_gcmfaces(fld_rms,0,{'myCaxis',[0:0.1:1.]});
88			myCaption={'modeled-observed rms -- sea ice area (K)'};
89
90			if addToTex; write2tex(fileTex,2,myCaption,gcf); end;
91
92			end;
93
94