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

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Revision 1.6 - (hide annotations) (download)
Tue Apr 2 13:55:53 2013 UTC (12 years, 3 months ago) by gforget
Branch: MAIN
Changes since 1.5: +3 -3 lines
- accomodate input files update.

1 gforget 1.5 function []=insitu_cost(doComp,varargin);
2 gforget 1.4 %object: computes or displays cost function statistics
3 gforget 1.5 %input: doComp states whether to compute & save (1) or load & display (0)
4 gforget 1.1 %optional must take the following form {'name',param1,param2,...} Active ones are
5 gforget 1.5 % {'dirData',dirData} is the data subdirectory name ('profiles/output/' by default)
6 gforget 1.1 % {'listData',data1,data2,...} where data1 e.g. is 'argo_indian.nc'
7     % {'listVar',var1,var2} where var1 and var2 are 'T' and 'S'
8     % {'years',year0,year1} to limit computation to [year0 year1] interval
9 gforget 1.5 % {'dirMat',dirMat} where dirMat is the output subdirectory ('mat/' by default)
10 gforget 1.4 % {'suffMat',suffMat} is the mat file suffix ('all' by default)
11 gforget 1.5 % {'dirTex',dirTex} where dirTex is the tex directory ('tex/' by default)
12     % {'nameTex',nameTex} is the tex file name ('myPlots' by default)
13 gforget 1.1 % {'addToTex',addToTex} states whether (1) or not (0 default) to
14 gforget 1.5 % augment an ongoing tex file (see write2tex.m, dirTex)
15 gforget 1.1 %
16 gforget 1.4 %example: insitu_cost('./',1,{'listData','argo_in*'});
17 gforget 1.1
18     %load paths and grid:
19     %--------------------
20     global mygrid; if isempty(mygrid); grid_load('GRID/',5,'compact'); end;
21    
22     %set more optional paramaters to default values
23 gforget 1.4 global myparms; year0=myparms.yearInAve(1); year1=myparms.yearInAve(2);
24 gforget 1.6 listData={'argo_*_1992_to_2007*','argo_*_2008_to_2010*',...
25     'argo_*_2011_to_2012*','climode_*',...
26     'ctd_*','itp_*','seals_*','xbt_*'};
27 gforget 1.2 listVar={'T','S'};
28     %shorter test case: listData={'argo_in*'}; listVar={'T'};
29 gforget 1.5 dirData='/profiles/output/';
30     dirMat='mat/'; suffMat='_all';
31     dirTex='tex/'; addToTex=0; nameTex='myPlots';
32 gforget 1.1 %set more optional paramaters to user defined values
33 gforget 1.5 for ii=1:nargin-1;
34 gforget 1.1 if strcmp(varargin{ii}{1},'listData'); listData={varargin{ii}{2:end}};
35     elseif strcmp(varargin{ii}{1},'listVar'); listVar={varargin{ii}{2:end}};
36     elseif strcmp(varargin{ii}{1},'years'); year0=varargin{ii}{2}; year1=varargin{ii}{3};
37 gforget 1.5 elseif strcmp(varargin{ii}{1},'dirMat'); dirMat=varargin{ii}{2};
38 gforget 1.1 elseif strcmp(varargin{ii}{1},'suffMat'); suffMat=['_' varargin{ii}{2}];
39 gforget 1.5 elseif strcmp(varargin{ii}{1},'dirTex'); dirTex=varargin{ii}{2};
40 gforget 1.1 elseif strcmp(varargin{ii}{1},'addToTex'); addToTex=varargin{ii}{2};
41 gforget 1.5 elseif strcmp(varargin{ii}{1},'nameTex'); nameTex=varargin{ii}{2};
42     elseif strcmp(varargin{ii}{1},'dirData'); dirData=varargin{ii}{2};
43 gforget 1.1 else;
44     warning('inputCheck:insitu_cost',...
45     ['unknown option ''' varargin{ii}{1} ''' was ignored']);
46     end;
47     end;
48    
49     if doComp;
50    
51     %time limits:
52     date0=datenum(year0,1,1); date1=datenum(year1,12,31);
53    
54     for vv=1:length(listVar);
55     varCur=listVar{vv};
56    
57     %get the cost square root:
58 gforget 1.5 [MITprof]=MITprof_stats_load([dirData],listData,varCur);
59 gforget 1.1
60     %mask out values that are not in year range:
61     ii=find(MITprof.prof_date<date0|MITprof.prof_date>date1);
62     MITprof.prof(ii,:)=NaN;
63    
64     %mean and median:
65     costCur=[nanmean(MITprof.prof(:).^2) nanmedian(MITprof.prof(:).^2)];
66     fprintf('mean cost for %s: %0.3g (median: %0.3g) \n',varCur,costCur);
67     eval(['costAve' varCur '.mean=costCur(1);']);
68     eval(['costAve' varCur '.median=costCur(2);']);
69    
70     %depth/time mean cost:
71     tmp_date=(MITprof.prof_date-date0)/365;
72     % [x,y,z,n]=MITprof_stats(MITprof.prof_depth,MITprof.prof_depth,...
73     [x,y,z,n]=MITprof_stats(MITprof.prof_depth,[0:200:1000 1500:500:6000],...
74     tmp_date,[0:1/4:1+(year1-year0)],'mean',MITprof.prof.^2);
75     z(n==0)=NaN; n(n==0)=NaN;
76     eval(['depthTimeCost' varCur '.x=x;']); eval(['depthTimeCost' varCur '.y=y;']);
77     eval(['depthTimeCost' varCur '.z=z;']); eval(['depthTimeCost' varCur '.n=n;']);
78    
79     %latitudinal distribution:
80     [x,y,z,n]=MITprof_stats(MITprof.prof_lat,[-90:5:90],MITprof.prof,[-5:0.25:5]);
81     z(n==0)=NaN; n(n==0)=NaN;
82     eval(['misfitDistrib' varCur '.x=x;']); eval(['misfitDistrib' varCur '.y=y;']);
83     eval(['misfitDistrib' varCur '.z=z;']); eval(['misfitDistrib' varCur '.n=n;']);
84    
85     end;
86    
87 gforget 1.5 eval(['save ' dirMat 'insitu_cost' suffMat '.mat costAve* misfitDistrib* depthTimeCost* year* listData listVar;']);
88 gforget 1.1
89     else;%display result
90    
91 gforget 1.5 eval(['load ' dirMat 'insitu_cost' suffMat '.mat;']);
92 gforget 1.1
93     figureL;
94    
95     for vv=1:length(listVar);
96     varCur=listVar{vv};
97    
98     eval(['costCur=[costAve' varCur '.mean costAve' varCur '.median];']);
99    
100     eval(['x=depthTimeCost' varCur '.x;']); eval(['y=depthTimeCost' varCur '.y;']);
101     eval(['z=depthTimeCost' varCur '.z;']); eval(['n=depthTimeCost' varCur '.n;']);
102     z(n<1e2)=NaN;
103     subplot(2,length(listVar),vv); depthStretchPlot('pcolor',{y,x,z},[0:200:1000 1500:500:6000],[0 1000 4000]);
104     caxis([0 8]); shading flat; colorbar; ylabel('depth (in m)');
105     xlabel(['date (in years since ' num2str(year0) ')']);
106     title(sprintf('mean cost for %s: %0.3g (median: %0.3g)',varCur,costCur));
107    
108     %latitudinal distribution:
109     eval(['x=misfitDistrib' varCur '.x;']); eval(['y=misfitDistrib' varCur '.y;']);
110     eval(['z=misfitDistrib' varCur '.z;']); eval(['n=misfitDistrib' varCur '.n;']);
111     tmp1=(nansum(n,2)>1e4)*ones(1,size(n,2)); z(tmp1==0)=NaN;
112     subplot(2,length(listVar),vv+length(listVar)); contourf(x,y,z,[0:0.05:0.5]); grid on;
113     caxis([0 0.5]); colorbar; ylabel('normalized misfit'); xlabel('latitude'); title('pdf');
114    
115     end;
116    
117 gforget 1.3 myCaption={'Cost function (top) for in situ profiles, as a function of depth and time. ',...
118 gforget 1.4 'Distribution of normalized misfits (bottom) as a function of latitude. For T (left) and S (right).'};
119 gforget 1.5 if addToTex; write2tex([dirTex '/' nameTex '.tex'],2,myCaption,gcf); end;
120 gforget 1.1
121     end;
122    
123    

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