/[MITgcm]/MITgcm_contrib/gael/profilesMatlabProcessing/ecco_v4/insitu_cost.m
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Contents of /MITgcm_contrib/gael/profilesMatlabProcessing/ecco_v4/insitu_cost.m

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Revision 1.3 - (show annotations) (download)
Fri Jul 8 12:48:59 2011 UTC (14 years ago) by gforget
Branch: MAIN
Changes since 1.2: +2 -1 lines
- revised captions for write2tex.

1 function []=insitu_cost(dirData,doComp,varargin);
2 %[]=insitu_cost(dirData,listData,listVar,varargin);
3 %object: computes or displays cost function statistics
4 %input: dirData is the data main directory name
5 % doComp states whether to compute & save (1) or load & display (0)
6 %optional must take the following form {'name',param1,param2,...} Active ones are
7 % {'subdirData',subdirData} is the data subdirectory name ('profiles/output/' by default)
8 % {'listData',data1,data2,...} where data1 e.g. is 'argo_indian.nc'
9 % {'listVar',var1,var2} where var1 and var2 are 'T' and 'S'
10 % {'years',year0,year1} to limit computation to [year0 year1] interval
11 % {'subdirMat',subdirMat} where subdirMat is the output subdirectory ('mat/' by default)
12 % {'suffMat',suffMat} is the mat file suffix ('all' by default)
13 % {'subdirTex',subdirTex} where subdirTex is the tex directory ('tex/' by default)
14 % {'addToTex',addToTex} states whether (1) or not (0 default) to
15 % augment an ongoing tex file (see write2tex.m, subdirTex)
16 %
17 %example: insitu_cost('./',1,{'listData','argo_in*'});
18
19 %load paths and grid:
20 %--------------------
21 global mygrid; if isempty(mygrid); grid_load('GRID/',5,'compact'); end;
22
23 %set more optional paramaters to default values
24 year0=1992; year1=2008;
25 listData={'WOD09_XBT*','WOD09_CTD*','argo_in*','argo_at*','argo_pa*','seals*'};
26 listVar={'T','S'};
27 %shorter test case: listData={'argo_in*'}; listVar={'T'};
28 subdirData='/profiles/output/';
29 subdirMat='mat/'; suffMat='_all';
30 subdirTex='tex/'; addToTex=0;
31 %set more optional paramaters to user defined values
32 for ii=1:nargin-2;
33 if strcmp(varargin{ii}{1},'listData'); listData={varargin{ii}{2:end}};
34 elseif strcmp(varargin{ii}{1},'listVar'); listVar={varargin{ii}{2:end}};
35 elseif strcmp(varargin{ii}{1},'years'); year0=varargin{ii}{2}; year1=varargin{ii}{3};
36 elseif strcmp(varargin{ii}{1},'subdirMat'); subdirMat=varargin{ii}{2};
37 elseif strcmp(varargin{ii}{1},'suffMat'); suffMat=['_' varargin{ii}{2}];
38 elseif strcmp(varargin{ii}{1},'subdirTex'); subdirTex=varargin{ii}{2};
39 elseif strcmp(varargin{ii}{1},'addToTex'); addToTex=varargin{ii}{2};
40 elseif strcmp(varargin{ii}{1},'subdirData'); subdirData=varargin{ii}{2};
41 else;
42 warning('inputCheck:insitu_cost',...
43 ['unknown option ''' varargin{ii}{1} ''' was ignored']);
44 end;
45 end;
46
47 if doComp;
48
49 %time limits:
50 date0=datenum(year0,1,1); date1=datenum(year1,12,31);
51
52 for vv=1:length(listVar);
53 varCur=listVar{vv};
54
55 %get the cost square root:
56 [MITprof]=MITprof_stats_load([dirData '/' subdirData],listData,varCur);
57
58 %mask out values that are not in year range:
59 ii=find(MITprof.prof_date<date0|MITprof.prof_date>date1);
60 MITprof.prof(ii,:)=NaN;
61
62 %mean and median:
63 costCur=[nanmean(MITprof.prof(:).^2) nanmedian(MITprof.prof(:).^2)];
64 fprintf('mean cost for %s: %0.3g (median: %0.3g) \n',varCur,costCur);
65 eval(['costAve' varCur '.mean=costCur(1);']);
66 eval(['costAve' varCur '.median=costCur(2);']);
67
68 %depth/time mean cost:
69 tmp_date=(MITprof.prof_date-date0)/365;
70 % [x,y,z,n]=MITprof_stats(MITprof.prof_depth,MITprof.prof_depth,...
71 [x,y,z,n]=MITprof_stats(MITprof.prof_depth,[0:200:1000 1500:500:6000],...
72 tmp_date,[0:1/4:1+(year1-year0)],'mean',MITprof.prof.^2);
73 z(n==0)=NaN; n(n==0)=NaN;
74 eval(['depthTimeCost' varCur '.x=x;']); eval(['depthTimeCost' varCur '.y=y;']);
75 eval(['depthTimeCost' varCur '.z=z;']); eval(['depthTimeCost' varCur '.n=n;']);
76
77 %latitudinal distribution:
78 [x,y,z,n]=MITprof_stats(MITprof.prof_lat,[-90:5:90],MITprof.prof,[-5:0.25:5]);
79 z(n==0)=NaN; n(n==0)=NaN;
80 eval(['misfitDistrib' varCur '.x=x;']); eval(['misfitDistrib' varCur '.y=y;']);
81 eval(['misfitDistrib' varCur '.z=z;']); eval(['misfitDistrib' varCur '.n=n;']);
82
83 end;
84
85 eval(['save ' dirData '/' subdirMat 'insitu_cost' suffMat '.mat costAve* misfitDistrib* depthTimeCost* year* listData listVar;']);
86
87 else;%display result
88
89 eval(['load ' dirData '/' subdirMat 'insitu_cost' suffMat '.mat;']);
90
91 figureL;
92
93 for vv=1:length(listVar);
94 varCur=listVar{vv};
95
96 eval(['costCur=[costAve' varCur '.mean costAve' varCur '.median];']);
97
98 eval(['x=depthTimeCost' varCur '.x;']); eval(['y=depthTimeCost' varCur '.y;']);
99 eval(['z=depthTimeCost' varCur '.z;']); eval(['n=depthTimeCost' varCur '.n;']);
100 z(n<1e2)=NaN;
101 subplot(2,length(listVar),vv); depthStretchPlot('pcolor',{y,x,z},[0:200:1000 1500:500:6000],[0 1000 4000]);
102 caxis([0 8]); shading flat; colorbar; ylabel('depth (in m)');
103 xlabel(['date (in years since ' num2str(year0) ')']);
104 title(sprintf('mean cost for %s: %0.3g (median: %0.3g)',varCur,costCur));
105
106 %latitudinal distribution:
107 eval(['x=misfitDistrib' varCur '.x;']); eval(['y=misfitDistrib' varCur '.y;']);
108 eval(['z=misfitDistrib' varCur '.z;']); eval(['n=misfitDistrib' varCur '.n;']);
109 tmp1=(nansum(n,2)>1e4)*ones(1,size(n,2)); z(tmp1==0)=NaN;
110 subplot(2,length(listVar),vv+length(listVar)); contourf(x,y,z,[0:0.05:0.5]); grid on;
111 caxis([0 0.5]); colorbar; ylabel('normalized misfit'); xlabel('latitude'); title('pdf');
112
113 end;
114
115 myCaption={'Cost function (top) for in situ profiles, as a function of depth and time. ',...
116 'Distribution of normalized misfits (bottom) as a function of latitude. For T (left) and S (right).'};
117 if addToTex; write2tex([dirData '/' subdirTex '/myPlots.tex'],2,myCaption,gcf); end;
118
119 end;
120
121

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