matlab_class/gcmfaces_IO/process2nctiles.m

function []=process2nctiles(dirModel,fileModel,fldModel,tileSize);
%process2nctiles(dirModel);
%object : convert MITgcm binary output to netcdf files (tiled) 
%inputs : dirModel is the MITgcm run directory
%           It is expected to contain binaries in 
%           'diags/STATE/', 'diags/TRSP/', etc. as well
%           as the 'available_diagnostics.log' text file.
%         fileModel the file name base e.g. 'state_2d_set1'
%           By default : all variables in e.g. 'state_2d_set1*' 
%           files will be processed, and writen individually to
%           nctiles (tiled netcdf) that will be located in 'nctiles/'
%         fldModel (by default []) can be specified (as e.g. 'ETAN')
%            when fldModel is empty, all fields are processed
%         tileSize (optional) is e.g. [90 90] (by default tiles=faces) 
%output : (netcdf files)

gcmfaces_global;

%listFiles={'state_2d_set1','state_2d_set2','state_3d_set1','state_3d_set2'};
%listFiles={'trsp_3d_set1','trsp_3d_set2','trsp_3d_set3'};
%for ff=1:length(listFiles); process2nctiles('iter12/',listFiles{ff},[],[90 90]); end;

%replace time series with monthly climatology?
doClim=0;

%directory names
listDirs={'STATE/','TRSP/'};%BUDG?
filAvailDiag=[dirModel 'available_diagnostics.log'];
filReadme=[dirModel 'README'];
dirOut=[dirModel 'nctiles_tmp/'];
if ~isdir(dirOut); mkdir(dirOut); end;

%search in subdirectories
subDir=[];
for ff=1:length(listDirs);
tmp1=dir([dirModel 'diags/' listDirs{ff} fileModel '*']);
if ~isempty(tmp1); subDir=listDirs{ff}; end;
end;

if isempty(subDir); 
  error(['file ' fileModel ' was not found']);
else;
  dirIn=[dirModel 'diags/' subDir];
  nn=length(dir([dirIn fileModel '*data']));
  fprintf('%s (%d files) was found in \n %s \n',fileModel,nn,dirIn);
end;

%set list of variables to process
if ~isempty(fldModel);
   if ischar(fldModel); listFlds={fldModel};
   else; listFlds=fldModel;
   end;
else;
   meta=read_meta([dirIn fileModel '*']);
   listFlds=meta.fldList;
end;

%determine map of tile indices (by default tiles=faces)
if isempty(whos('tileSize'));
  tileNo=mygrid.XC; 
  for ff=1:mygrid.nFaces; tileNo{ff}(:)=ff; end;
else;
  tileNo=gcmfaces_loc_tile(tileSize(1),tileSize(2));
end;

%now do the actual processing
for vv=1:length(listFlds);
nameDiag=deblank(listFlds{vv}) 

%get meta information
meta=read_meta([dirIn fileModel '*']);
irec=find(strcmp(deblank(meta.fldList),nameDiag));
if length(irec)~=1; error('field not in file\n'); end;

%read time series
myDiag=rdmds2gcmfaces([dirIn fileModel '*'],NaN,'rec',irec);

%replace time series with monthly climatology
if doClim; myDiag=compClim(myDiag); end;

%set ancilliary time variable
nn=length(size(myDiag{1}));
nn=size(myDiag{1},nn);
%tim=[1:nn];
tim=[1992*ones(nn,1) [1:nn]' 15*ones(nn,1)];
tim=datenum(tim)-datenum([1992 1 0]);
timUnits='days since 1992-1-1 0:0:0';

%get time step axis
[listTimes]=diags_list_times({dirIn},{fileModel});

%get units and long name from available_diagnostics.log
[avail_diag]=read_avail_diag(filAvailDiag,nameDiag);

%get description of estimate from README
[rdm]=read_readme(filReadme);
disp(rdm');

%convert to MITgcm format (90x1170 array)
myFile=[dirOut nameDiag];%first instance is for subdirectory name
if ~isdir(myFile); mkdir(myFile); end;
myFile=[myFile '/' nameDiag];%second instance is for file name base

%get grid params
[grid_diag]=set_grid_diag(avail_diag);

%apply mask, and convert to land mask
msk=grid_diag.msk;
if length(size(myDiag{1}))==3;
  msk=repmat(msk(:,:,1),[1 1 size(myDiag{1},3)]);
end;
for kk=1:size(myDiag{1},4);
  myDiag(:,:,:,kk)=myDiag(:,:,:,kk).*msk;
end;
clear msk;
%
land=isnan(grid_diag.msk);

%set 'coord' attribute
if avail_diag.nr~=1;
  coord='lon lat dep tim';
else;
  coord='lon lat tim';
end;

%replace time series with monthly climatology
if doClim;
  listTimes=listTimes(1:12);
  timUnits='days since year-1-1 0:0:0';
  avail_diag.longNameDiag=[avail_diag.longNameDiag ' (climatology) '];
end;

%create netcdf file using write2nctiles (works only with old matlab, thus far ...)
doCreate=1; 
dimlist=write2nctiles(myFile,myDiag,doCreate,{'tileNo',tileNo},...
    {'fldName',nameDiag},{'longName',avail_diag.longNameDiag},...
    {'units',avail_diag.units},{'descr',nameDiag},{'coord',coord},{'rdm',rdm});

%determine relevant dimensions
for ff=1:length(dimlist);
  dim.tim{ff}={dimlist{ff}{1}};
  dim.twoD{ff}={dimlist{ff}{end-1:end}};
  if avail_diag.nr~=1;
    dim.threeD{ff}={dimlist{ff}{end-2:end}};
    dim.dep{ff}={dimlist{ff}{end-2}};
  else;
    dim.threeD{ff}=dim.twoD{ff};
    dim.dep{ff}=[];
  end;
end;

%prepare to add fields
doCreate=0;

%now add fields
write2nctiles(myFile,tim,doCreate,{'tileNo',tileNo},...
  {'fldName','tim'},{'longName','time'},...
  {'units',timUnits},{'dimIn',dim.tim});
write2nctiles(myFile,listTimes,doCreate,{'tileNo',tileNo},...
  {'fldName','step'},{'longName','final time step number'},...
  {'units','1'},{'dimIn',dim.tim});
write2nctiles(myFile,grid_diag.lon,doCreate,{'tileNo',tileNo},...
  {'fldName','lon'},{'units','degrees_east'},{'dimIn',dim.twoD});
write2nctiles(myFile,grid_diag.lat,doCreate,{'tileNo',tileNo},...
  {'fldName','lat'},{'units','degrees_north'},{'dimIn',dim.twoD});
write2nctiles(myFile,grid_diag.msk,doCreate,{'tileNo',tileNo},...
  {'fldName','land'},{'units','1'},{'longName','land mask'},{'dimIn',dim.threeD});
write2nctiles(myFile,grid_diag.RAC,doCreate,{'tileNo',tileNo},...
  {'fldName','area'},{'units','m^2'},{'longName','grid cell area'},{'dimIn',dim.twoD});
if isfield(grid_diag,'dep');
    write2nctiles(myFile,grid_diag.dep,doCreate,{'tileNo',tileNo},...
      {'fldName','dep'},{'units','m'},{'dimIn',dim.dep});
    write2nctiles(myFile,grid_diag.dz,doCreate,{'tileNo',tileNo},...
      {'fldName','thic'},{'units','m'},{'dimIn',dim.dep});
end;

end;%for vv=1:length(listFlds);

function [meta]=read_meta(fileName);

%read meta file
tmp1=dir([fileName '*.meta']); tmp1=tmp1(1).name;
tmp2=strfind(fileName,filesep);
if ~isempty(tmp2); tmp2=tmp2(end); else; tmp2=0; end;
tmp1=[fileName(1:tmp2) tmp1]; fid=fopen(tmp1);
while 1;
    tline = fgetl(fid);
    if ~ischar(tline), break, end
    if isempty(whos('tmp3')); tmp3=tline; else; tmp3=[tmp3 ' ' tline]; end;
end
fclose(fid);

%add meta variables to workspace
eval(tmp3);

%reformat to meta structure
meta.dataprec=dataprec;
meta.nDims=nDims;
meta.nFlds=nFlds;
meta.nrecords=nrecords;
meta.fldList=fldList;
meta.dimList=dimList;
if ~isempty(who('timeInterval')); meta.timeInterval=timeInterval; end;
if ~isempty(who('timeStepNumber'));  meta.timeStepNumber=timeStepNumber; end;

%%

function [rdm]=read_readme(filReadme);

gcmfaces_global;

rdm=[];

fid=fopen(filReadme,'rt');
while ~feof(fid);
    nn=length(rdm);
    rdm{nn+1} = fgetl(fid);
end;
fclose(fid);

%%

function [avail_diag]=read_avail_diag(filAvailDiag,nameDiag);

gcmfaces_global;

avail_diag=[];

fid=fopen(filAvailDiag,'rt');
while ~feof(fid);
    tline = fgetl(fid);
    tmp1=8-length(nameDiag); tmp1=repmat(' ',[1 tmp1]);
    tname = ['|' sprintf('%s',nameDiag) tmp1 '|'];
    if ~isempty(strfind(tline,tname));
        %e.g. tline='   235 |SIatmQnt|  1 |       |SM      U1|W/m^2           |Net atmospheric heat flux, >0 decreases theta';
        %
        tmp1=strfind(tline,'|'); tmp1=tmp1(end-1:end);
        avail_diag.units=strtrim(tline(tmp1(1)+1:tmp1(2)-1));
        avail_diag.longNameDiag=tline(tmp1(2)+1:end);
        %
        tmp1=strfind(tline,'|'); tmp1=tmp1(4:5);
        pars=tline(tmp1(1)+1:tmp1(2)-1);
        %
        if strcmp(pars(2),'M'); avail_diag.loc_h='C';
        elseif strcmp(pars(2),'U'); avail_diag.loc_h='W';
        elseif strcmp(pars(2),'V'); avail_diag.loc_h='S';
        end;
        %
        avail_diag.loc_z=pars(9);
        %
        if strcmp(pars(10),'1'); avail_diag.nr=1;
        else; avail_diag.nr=length(mygrid.RC);
        end;
    end;
end;
fclose(fid);

%%

function [grid_diag]=set_grid_diag(avail_diag);

gcmfaces_global;

%switch for non-tracer point values
if strcmp(avail_diag.loc_h,'C');
    grid_diag.lon=mygrid.XC;
    grid_diag.lat=mygrid.YC;
    grid_diag.msk=mygrid.mskC(:,:,1:avail_diag.nr);
elseif strcmp(avail_diag.loc_h,'W');
    grid_diag.lon=mygrid.XG;
    grid_diag.lat=mygrid.YC;
    grid_diag.msk=mygrid.mskW(:,:,1:avail_diag.nr);
elseif strcmp(avail_diag.loc_h,'S');
    grid_diag.lon=mygrid.XC;
    grid_diag.lat=mygrid.YG;
    grid_diag.msk=mygrid.mskS(:,:,1:avail_diag.nr);
end;
grid_diag.RAC=mygrid.RAC;

%vertical grid
if avail_diag.nr~=1;
    if strcmp(avail_diag.loc_z,'M');
        grid_diag.dep=-mygrid.RC;
        grid_diag.dz=mygrid.DRF;
    elseif strcmp(avail_diag.loc_z,'L');
        grid_diag.dep=-mygrid.RF(2:end);
        grid_diag.dz=[mygrid.DRC(2:end) ; 228.25];%quick fix
    else;
        error('unknown vertical grid');
    end;
    grid_diag.dep=reshape(grid_diag.dep,[1 1 avail_diag.nr]);
    grid_diag.dz=reshape(grid_diag.dz,[1 1 avail_diag.nr]);
end;

%%replace time series with monthly climatology
function [FLD]=compClim(fld);

gcmfaces_global;

ndim=length(size(fld{1}));
nyear=size(fld{1},ndim)/12;

if ndim==3; FLD=NaN*fld(:,:,1:12); end;
if ndim==4; FLD=NaN*fld(:,:,:,1:12); end;

for mm=1:12;
if ndim==3; FLD(:,:,mm)=mean(fld(:,:,mm:12:12*nyear),ndim); end;
if ndim==4; FLD(:,:,:,mm)=mean(fld(:,:,:,mm:12:12*nyear),ndim); end;
end;

1	gforget	1.4	function []=process2nctiles(dirModel,fileModel,fldModel,tileSize);
2	gforget	1.1	%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	gforget	1.4	% fldModel (by default []) can be specified (as e.g. 'ETAN')
13			% when fldModel is empty, all fields are processed
14			% tileSize (optional) is e.g. [90 90] (by default tiles=faces)
15	gforget	1.1	%output : (netcdf files)
16
17			gcmfaces_global;
18
19	gforget	1.5	%listFiles={'state_2d_set1','state_2d_set2','state_3d_set1','state_3d_set2'};
20			%listFiles={'trsp_3d_set1','trsp_3d_set2','trsp_3d_set3'};
21			%for ff=1:length(listFiles); process2nctiles('iter12/',listFiles{ff},[],[90 90]); end;
22
23	gforget	1.9	%replace time series with monthly climatology?
24			doClim=0;
25
26	gforget	1.1	%directory names
27	gforget	1.10	listDirs={'STATE/','TRSP/'};%BUDG?
28	gforget	1.1	filAvailDiag=[dirModel 'available_diagnostics.log'];
29	gforget	1.2	filReadme=[dirModel 'README'];
30	gforget	1.9	dirOut=[dirModel 'nctiles_tmp/'];
31	gforget	1.1	if ~isdir(dirOut); mkdir(dirOut); end;
32
33	gforget	1.9	%search in subdirectories
34	gforget	1.1	subDir=[];
35			for ff=1:length(listDirs);
36			tmp1=dir([dirModel 'diags/' listDirs{ff} fileModel '*']);
37			if ~isempty(tmp1); subDir=listDirs{ff}; end;
38			end;
39
40			if isempty(subDir);
41			error(['file ' fileModel ' was not found']);
42			else;
43			dirIn=[dirModel 'diags/' subDir];
44			nn=length(dir([dirIn fileModel '*data']));
45			fprintf('%s (%d files) was found in \n %s \n',fileModel,nn,dirIn);
46			end;
47
48			%set list of variables to process
49	gforget	1.4	if ~isempty(fldModel);
50	gforget	1.1	if ischar(fldModel); listFlds={fldModel};
51			else; listFlds=fldModel;
52			end;
53			else;
54			meta=read_meta([dirIn fileModel '*']);
55			listFlds=meta.fldList;
56			end;
57
58	gforget	1.4	%determine map of tile indices (by default tiles=faces)
59			if isempty(whos('tileSize'));
60			tileNo=mygrid.XC;
61			for ff=1:mygrid.nFaces; tileNo{ff}(:)=ff; end;
62			else;
63			tileNo=gcmfaces_loc_tile(tileSize(1),tileSize(2));
64			end;
65
66	gforget	1.1	%now do the actual processing
67			for vv=1:length(listFlds);
68			nameDiag=deblank(listFlds{vv})
69
70			%get meta information
71			meta=read_meta([dirIn fileModel '*']);
72			irec=find(strcmp(deblank(meta.fldList),nameDiag));
73			if length(irec)~=1; error('field not in file\n'); end;
74
75			%read time series
76			myDiag=rdmds2gcmfaces([dirIn fileModel '*'],NaN,'rec',irec);
77
78	gforget	1.9	%replace time series with monthly climatology
79			if doClim; myDiag=compClim(myDiag); end;
80
81	gforget	1.5	%set ancilliary time variable
82	gforget	1.3	nn=length(size(myDiag{1}));
83	gforget	1.5	nn=size(myDiag{1},nn);
84			%tim=[1:nn];
85			tim=[1992ones(nn,1) [1:nn]' 15ones(nn,1)];
86			tim=datenum(tim)-datenum([1992 1 0]);
87			timUnits='days since 1992-1-1 0:0:0';
88	gforget	1.1
89	gforget	1.7	%get time step axis
90	gforget	1.10	[listTimes]=diags_list_times({dirIn},{fileModel});
91	gforget	1.7
92	gforget	1.1	%get units and long name from available_diagnostics.log
93			[avail_diag]=read_avail_diag(filAvailDiag,nameDiag);
94
95	gforget	1.2	%get description of estimate from README
96			[rdm]=read_readme(filReadme);
97			disp(rdm');
98
99	gforget	1.1	%convert to MITgcm format (90x1170 array)
100	gforget	1.4	myFile=[dirOut nameDiag];%first instance is for subdirectory name
101			if ~isdir(myFile); mkdir(myFile); end;
102			myFile=[myFile '/' nameDiag];%second instance is for file name base
103	gforget	1.1
104			%get grid params
105			[grid_diag]=set_grid_diag(avail_diag);
106
107	gforget	1.5	%apply mask, and convert to land mask
108			msk=grid_diag.msk;
109	gforget	1.6	if length(size(myDiag{1}))==3;
110	gforget	1.10	msk=repmat(msk(:,:,1),[1 1 size(myDiag{1},3)]);
111	gforget	1.6	end;
112			for kk=1:size(myDiag{1},4);
113			myDiag(:,:,:,kk)=myDiag(:,:,:,kk).*msk;
114			end;
115	gforget	1.5	clear msk;
116			%
117			land=isnan(grid_diag.msk);
118
119			%set 'coord' attribute
120			if avail_diag.nr~=1;
121			coord='lon lat dep tim';
122			else;
123			coord='lon lat tim';
124			end;
125
126	gforget	1.9	%replace time series with monthly climatology
127			if doClim;
128			listTimes=listTimes(1:12);
129			timUnits='days since year-1-1 0:0:0';
130			avail_diag.longNameDiag=[avail_diag.longNameDiag ' (climatology) '];
131			end;
132
133	gforget	1.1	%create netcdf file using write2nctiles (works only with old matlab, thus far ...)
134			doCreate=1;
135	gforget	1.4	dimlist=write2nctiles(myFile,myDiag,doCreate,{'tileNo',tileNo},...
136	gforget	1.1	{'fldName',nameDiag},{'longName',avail_diag.longNameDiag},...
137	gforget	1.5	{'units',avail_diag.units},{'descr',nameDiag},{'coord',coord},{'rdm',rdm});
138	gforget	1.1
139	gforget	1.4	%determine relevant dimensions
140			for ff=1:length(dimlist);
141			dim.tim{ff}={dimlist{ff}{1}};
142			dim.twoD{ff}={dimlist{ff}{end-1:end}};
143			if avail_diag.nr~=1;
144			dim.threeD{ff}={dimlist{ff}{end-2:end}};
145			dim.dep{ff}={dimlist{ff}{end-2}};
146	gforget	1.1	else;
147	gforget	1.4	dim.threeD{ff}=dim.twoD{ff};
148			dim.dep{ff}=[];
149	gforget	1.1	end;
150			end;
151
152	gforget	1.4	%prepare to add fields
153			doCreate=0;
154
155	gforget	1.1	%now add fields
156	gforget	1.4	write2nctiles(myFile,tim,doCreate,{'tileNo',tileNo},...
157	gforget	1.5	{'fldName','tim'},{'longName','time'},...
158			{'units',timUnits},{'dimIn',dim.tim});
159	gforget	1.7	write2nctiles(myFile,listTimes,doCreate,{'tileNo',tileNo},...
160			{'fldName','step'},{'longName','final time step number'},...
161			{'units','1'},{'dimIn',dim.tim});
162	gforget	1.4	write2nctiles(myFile,grid_diag.lon,doCreate,{'tileNo',tileNo},...
163	gforget	1.5	{'fldName','lon'},{'units','degrees_east'},{'dimIn',dim.twoD});
164	gforget	1.4	write2nctiles(myFile,grid_diag.lat,doCreate,{'tileNo',tileNo},...
165	gforget	1.5	{'fldName','lat'},{'units','degrees_north'},{'dimIn',dim.twoD});
166	gforget	1.4	write2nctiles(myFile,grid_diag.msk,doCreate,{'tileNo',tileNo},...
167	gforget	1.5	{'fldName','land'},{'units','1'},{'longName','land mask'},{'dimIn',dim.threeD});
168	gforget	1.4	write2nctiles(myFile,grid_diag.RAC,doCreate,{'tileNo',tileNo},...
169	gforget	1.5	{'fldName','area'},{'units','m^2'},{'longName','grid cell area'},{'dimIn',dim.twoD});
170	gforget	1.1	if isfield(grid_diag,'dep');
171	gforget	1.4	write2nctiles(myFile,grid_diag.dep,doCreate,{'tileNo',tileNo},...
172	gforget	1.5	{'fldName','dep'},{'units','m'},{'dimIn',dim.dep});
173	gforget	1.4	write2nctiles(myFile,grid_diag.dz,doCreate,{'tileNo',tileNo},...
174	gforget	1.5	{'fldName','thic'},{'units','m'},{'dimIn',dim.dep});
175	gforget	1.1	end;
176
177			end;%for vv=1:length(listFlds);
178
179			function [meta]=read_meta(fileName);
180
181			%read meta file
182			tmp1=dir([fileName '*.meta']); tmp1=tmp1(1).name;
183	gforget	1.8	tmp2=strfind(fileName,filesep);
184	gforget	1.1	if ~isempty(tmp2); tmp2=tmp2(end); else; tmp2=0; end;
185			tmp1=[fileName(1:tmp2) tmp1]; fid=fopen(tmp1);
186			while 1;
187			tline = fgetl(fid);
188			if ~ischar(tline), break, end
189			if isempty(whos('tmp3')); tmp3=tline; else; tmp3=[tmp3 ' ' tline]; end;
190			end
191			fclose(fid);
192
193			%add meta variables to workspace
194			eval(tmp3);
195
196			%reformat to meta structure
197			meta.dataprec=dataprec;
198			meta.nDims=nDims;
199			meta.nFlds=nFlds;
200			meta.nrecords=nrecords;
201			meta.fldList=fldList;
202			meta.dimList=dimList;
203			if ~isempty(who('timeInterval')); meta.timeInterval=timeInterval; end;
204			if ~isempty(who('timeStepNumber')); meta.timeStepNumber=timeStepNumber; end;
205
206			%%
207
208	gforget	1.2	function [rdm]=read_readme(filReadme);
209
210			gcmfaces_global;
211
212			rdm=[];
213
214			fid=fopen(filReadme,'rt');
215			while ~feof(fid);
216			nn=length(rdm);
217			rdm{nn+1} = fgetl(fid);
218			end;
219			fclose(fid);
220
221			%%
222
223	gforget	1.1	function [avail_diag]=read_avail_diag(filAvailDiag,nameDiag);
224
225			gcmfaces_global;
226
227			avail_diag=[];
228
229			fid=fopen(filAvailDiag,'rt');
230			while ~feof(fid);
231			tline = fgetl(fid);
232			tmp1=8-length(nameDiag); tmp1=repmat(' ',[1 tmp1]);
233			tname = ['\|' sprintf('%s',nameDiag) tmp1 '\|'];
234			if ~isempty(strfind(tline,tname));
235			%e.g. tline=' 235 \|SIatmQnt\| 1 \| \|SM U1\|W/m^2 \|Net atmospheric heat flux, >0 decreases theta';
236			%
237			tmp1=strfind(tline,'\|'); tmp1=tmp1(end-1:end);
238			avail_diag.units=strtrim(tline(tmp1(1)+1:tmp1(2)-1));
239			avail_diag.longNameDiag=tline(tmp1(2)+1:end);
240			%
241			tmp1=strfind(tline,'\|'); tmp1=tmp1(4:5);
242			pars=tline(tmp1(1)+1:tmp1(2)-1);
243			%
244			if strcmp(pars(2),'M'); avail_diag.loc_h='C';
245			elseif strcmp(pars(2),'U'); avail_diag.loc_h='W';
246			elseif strcmp(pars(2),'V'); avail_diag.loc_h='S';
247			end;
248			%
249			avail_diag.loc_z=pars(9);
250			%
251			if strcmp(pars(10),'1'); avail_diag.nr=1;
252			else; avail_diag.nr=length(mygrid.RC);
253			end;
254			end;
255			end;
256			fclose(fid);
257
258			%%
259
260			function [grid_diag]=set_grid_diag(avail_diag);
261
262			gcmfaces_global;
263
264			%switch for non-tracer point values
265			if strcmp(avail_diag.loc_h,'C');
266			grid_diag.lon=mygrid.XC;
267			grid_diag.lat=mygrid.YC;
268			grid_diag.msk=mygrid.mskC(:,:,1:avail_diag.nr);
269			elseif strcmp(avail_diag.loc_h,'W');
270			grid_diag.lon=mygrid.XG;
271			grid_diag.lat=mygrid.YC;
272			grid_diag.msk=mygrid.mskW(:,:,1:avail_diag.nr);
273			elseif strcmp(avail_diag.loc_h,'S');
274			grid_diag.lon=mygrid.XC;
275			grid_diag.lat=mygrid.YG;
276			grid_diag.msk=mygrid.mskS(:,:,1:avail_diag.nr);
277			end;
278			grid_diag.RAC=mygrid.RAC;
279
280			%vertical grid
281			if avail_diag.nr~=1;
282			if strcmp(avail_diag.loc_z,'M');
283			grid_diag.dep=-mygrid.RC;
284			grid_diag.dz=mygrid.DRF;
285			elseif strcmp(avail_diag.loc_z,'L');
286			grid_diag.dep=-mygrid.RF(2:end);
287			grid_diag.dz=[mygrid.DRC(2:end) ; 228.25];%quick fix
288			else;
289			error('unknown vertical grid');
290			end;
291			grid_diag.dep=reshape(grid_diag.dep,[1 1 avail_diag.nr]);
292			grid_diag.dz=reshape(grid_diag.dz,[1 1 avail_diag.nr]);
293			end;
294	gforget	1.9
295			%%replace time series with monthly climatology
296			function [FLD]=compClim(fld);
297
298			gcmfaces_global;
299
300			ndim=length(size(fld{1}));
301			nyear=size(fld{1},ndim)/12;
302
303			if ndim==3; FLD=NaN*fld(:,:,1:12); end;
304			if ndim==4; FLD=NaN*fld(:,:,:,1:12); end;
305
306			for mm=1:12;
307			if ndim==3; FLD(:,:,mm)=mean(fld(:,:,mm:12:12*nyear),ndim); end;
308			if ndim==4; FLD(:,:,:,mm)=mean(fld(:,:,:,mm:12:12*nyear),ndim); end;
309			end;
310