/[MITgcm]/MITgcm_contrib/gael/matlab_class/gcmfaces_IO/process2nctiles.m
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Revision 1.3 - (hide annotations) (download)
Sun Feb 2 01:47:38 2014 UTC (11 years, 5 months ago) by gforget
Branch: MAIN
Changes since 1.2: +2 -1 lines
- minor fixes.

1 gforget 1.1 function []=process2nctiles(dirModel,fileModel,fldModel);
2     %process2nctiles(dirModel);
3     %object : convert MITgcm binary output to netcdf files (tiled)
4     %inputs : dirModel is the MITgcm run directory
5     % It is expected to contain binaries in
6     % 'diags/STATE/', 'diags/TRSP/', etc. as well
7     % as the 'available_diagnostics.log' text file.
8     % fileModel the file name base e.g. 'state_2d_set1'
9     % By default : all variables in e.g. 'state_2d_set1*'
10     % files will be processed, and writen individually to
11     % nctiles (tiled netcdf) that will be located in 'nctiles/'
12     % fldModel (optional) can be specifiec as e.g. 'ETAN'
13     %output : (netcdf files)
14    
15     gcmfaces_global;
16    
17     %directory names
18     listDirs={'STATE/','TRSP/'};
19     filAvailDiag=[dirModel 'available_diagnostics.log'];
20 gforget 1.2 filReadme=[dirModel 'README'];
21 gforget 1.1 dirOut=[dirModel 'nctiles/'];
22     if ~isdir(dirOut); mkdir(dirOut); end;
23    
24     %seacrh in subdirectories
25     subDir=[];
26     for ff=1:length(listDirs);
27     tmp1=dir([dirModel 'diags/' listDirs{ff} fileModel '*']);
28     if ~isempty(tmp1); subDir=listDirs{ff}; end;
29     end;
30    
31     if isempty(subDir);
32     error(['file ' fileModel ' was not found']);
33     else;
34     dirIn=[dirModel 'diags/' subDir];
35     nn=length(dir([dirIn fileModel '*data']));
36     fprintf('%s (%d files) was found in \n %s \n',fileModel,nn,dirIn);
37     end;
38    
39     %set list of variables to process
40     if ~isempty(who('fldModel'));
41     if ischar(fldModel); listFlds={fldModel};
42     else; listFlds=fldModel;
43     end;
44     else;
45     meta=read_meta([dirIn fileModel '*']);
46     listFlds=meta.fldList;
47     end;
48    
49     %now do the actual processing
50     for vv=1:length(listFlds);
51     nameDiag=deblank(listFlds{vv})
52    
53     %get meta information
54     meta=read_meta([dirIn fileModel '*']);
55     irec=find(strcmp(deblank(meta.fldList),nameDiag));
56     if length(irec)~=1; error('field not in file\n'); end;
57    
58     %read time series
59     myDiag=rdmds2gcmfaces([dirIn fileModel '*'],NaN,'rec',irec);
60    
61     %ancilliary fields for netcdf file
62 gforget 1.3 nn=length(size(myDiag{1}));
63     tim=[1:size(myDiag{1},nn)];
64 gforget 1.1 descr=nameDiag;
65    
66     %get units and long name from available_diagnostics.log
67     [avail_diag]=read_avail_diag(filAvailDiag,nameDiag);
68    
69 gforget 1.2 %get description of estimate from README
70     [rdm]=read_readme(filReadme);
71     disp(rdm');
72    
73 gforget 1.1 %convert to MITgcm format (90x1170 array)
74     myFile=[dirOut nameDiag];
75    
76     %get grid params
77     [grid_diag]=set_grid_diag(avail_diag);
78    
79     %create netcdf file using write2nctiles (works only with old matlab, thus far ...)
80     doCreate=1;
81     dimOut=write2nctiles(myFile,myDiag,doCreate,...
82     {'fldName',nameDiag},{'longName',avail_diag.longNameDiag},...
83 gforget 1.2 {'units',avail_diag.units},{'descr',descr},{'rdm',rdm});
84 gforget 1.1
85     %prepare to add fields
86     doCreate=0;
87    
88     %determine relevant dimensions (note the reverse order)
89     for ff=1:mygrid.nFaces;
90 gforget 1.2 dimtim{ff}={dimOut{ff}{1}};
91 gforget 1.1 dim2d{ff}={dimOut{ff}{end-1:end}};
92     if avail_diag.nr~=1;
93     dimmsk{ff}={dimOut{ff}{end-2:end}};
94     dimdep{ff}={dimOut{ff}{end-2}};
95     else;
96     dimmsk{ff}=dim2d{ff};
97     dimdep{ff}=[];
98     end;
99     end;
100    
101     %now add fields
102 gforget 1.2 write2nctiles(myFile,tim,doCreate,{'fldName','month'},...
103     {'longName','month index starting Jan. 1992'},...
104     {'units',''},{'dimIn',dimtim});
105 gforget 1.1 write2nctiles(myFile,grid_diag.lon,doCreate,...
106     {'fldName','longitude'},{'units',''},{'dimIn',dim2d});
107     write2nctiles(myFile,grid_diag.lat,doCreate,...
108     {'fldName','latitude'},{'units',''},{'dimIn',dim2d});
109     write2nctiles(myFile,grid_diag.msk,doCreate,...
110     {'fldName','landmask'},{'units',''},...
111     {'longName','land mask'},{'dimIn',dimmsk});
112     write2nctiles(myFile,grid_diag.RAC,doCreate,...
113     {'fldName','cellarea'},{'units','m^2'},...
114     {'longName','grid cell area'},{'dimIn',dim2d});
115     if isfield(grid_diag,'dep');
116     write2nctiles(myFile,grid_diag.dep,doCreate,...
117     {'fldName','depth'},{'units','m'},{'dimIn',dimdep});
118     write2nctiles(myFile,grid_diag.dz,doCreate,...
119     {'fldName','cellthick'},{'units','m'},{'dimIn',dimdep});
120     end;
121    
122     end;%for vv=1:length(listFlds);
123    
124     function [meta]=read_meta(fileName);
125    
126     %read meta file
127     tmp1=dir([fileName '*.meta']); tmp1=tmp1(1).name;
128     tmp2=strfind(fileName,'/');
129     if ~isempty(tmp2); tmp2=tmp2(end); else; tmp2=0; end;
130     tmp1=[fileName(1:tmp2) tmp1]; fid=fopen(tmp1);
131     while 1;
132     tline = fgetl(fid);
133     if ~ischar(tline), break, end
134     if isempty(whos('tmp3')); tmp3=tline; else; tmp3=[tmp3 ' ' tline]; end;
135     end
136     fclose(fid);
137    
138     %add meta variables to workspace
139     eval(tmp3);
140    
141     %reformat to meta structure
142     meta.dataprec=dataprec;
143     meta.nDims=nDims;
144     meta.nFlds=nFlds;
145     meta.nrecords=nrecords;
146     meta.fldList=fldList;
147     meta.dimList=dimList;
148     if ~isempty(who('timeInterval')); meta.timeInterval=timeInterval; end;
149     if ~isempty(who('timeStepNumber')); meta.timeStepNumber=timeStepNumber; end;
150    
151     %%
152    
153 gforget 1.2 function [rdm]=read_readme(filReadme);
154    
155     gcmfaces_global;
156    
157     rdm=[];
158    
159     fid=fopen(filReadme,'rt');
160     while ~feof(fid);
161     nn=length(rdm);
162     rdm{nn+1} = fgetl(fid);
163     end;
164     fclose(fid);
165    
166     %%
167    
168 gforget 1.1 function [avail_diag]=read_avail_diag(filAvailDiag,nameDiag);
169    
170     gcmfaces_global;
171    
172     avail_diag=[];
173    
174     fid=fopen(filAvailDiag,'rt');
175     while ~feof(fid);
176     tline = fgetl(fid);
177     tmp1=8-length(nameDiag); tmp1=repmat(' ',[1 tmp1]);
178     tname = ['|' sprintf('%s',nameDiag) tmp1 '|'];
179     if ~isempty(strfind(tline,tname));
180     %e.g. tline=' 235 |SIatmQnt| 1 | |SM U1|W/m^2 |Net atmospheric heat flux, >0 decreases theta';
181     %
182     tmp1=strfind(tline,'|'); tmp1=tmp1(end-1:end);
183     avail_diag.units=strtrim(tline(tmp1(1)+1:tmp1(2)-1));
184     avail_diag.longNameDiag=tline(tmp1(2)+1:end);
185     %
186     tmp1=strfind(tline,'|'); tmp1=tmp1(4:5);
187     pars=tline(tmp1(1)+1:tmp1(2)-1);
188     %
189     if strcmp(pars(2),'M'); avail_diag.loc_h='C';
190     elseif strcmp(pars(2),'U'); avail_diag.loc_h='W';
191     elseif strcmp(pars(2),'V'); avail_diag.loc_h='S';
192     end;
193     %
194     avail_diag.loc_z=pars(9);
195     %
196     if strcmp(pars(10),'1'); avail_diag.nr=1;
197     else; avail_diag.nr=length(mygrid.RC);
198     end;
199     end;
200     end;
201     fclose(fid);
202    
203     %%
204    
205     function [grid_diag]=set_grid_diag(avail_diag);
206    
207     gcmfaces_global;
208    
209     %switch for non-tracer point values
210     if strcmp(avail_diag.loc_h,'C');
211     grid_diag.lon=mygrid.XC;
212     grid_diag.lat=mygrid.YC;
213     grid_diag.msk=mygrid.mskC(:,:,1:avail_diag.nr);
214     elseif strcmp(avail_diag.loc_h,'W');
215     grid_diag.lon=mygrid.XG;
216     grid_diag.lat=mygrid.YC;
217     grid_diag.msk=mygrid.mskW(:,:,1:avail_diag.nr);
218     elseif strcmp(avail_diag.loc_h,'S');
219     grid_diag.lon=mygrid.XC;
220     grid_diag.lat=mygrid.YG;
221     grid_diag.msk=mygrid.mskS(:,:,1:avail_diag.nr);
222     end;
223     grid_diag.RAC=mygrid.RAC;
224    
225     %vertical grid
226     if avail_diag.nr~=1;
227     if strcmp(avail_diag.loc_z,'M');
228     grid_diag.dep=-mygrid.RC;
229     grid_diag.dz=mygrid.DRF;
230     elseif strcmp(avail_diag.loc_z,'L');
231     grid_diag.dep=-mygrid.RF(2:end);
232     grid_diag.dz=[mygrid.DRC(2:end) ; 228.25];%quick fix
233     else;
234     error('unknown vertical grid');
235     end;
236     grid_diag.dep=reshape(grid_diag.dep,[1 1 avail_diag.nr]);
237     grid_diag.dz=reshape(grid_diag.dz,[1 1 avail_diag.nr]);
238     end;

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