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gforget |
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function [dimOut]=write2nctiles(fileOut,fldIn,doCreate,varargin); |
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%object : write gcmfaces object to netcdf files (tiled) |
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%inputs : fileOut is the name of the file to be created |
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% fldIn is the array to write to disk |
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% doCreate is a 0/1 switch; 1 => create file ; 0 => append to file. |
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%optional paramaters : |
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% can be provided in the form {'name',value} |
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% those that are currently active are |
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% 'descr' is the file description (default ''). |
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% 'fldName' is the nc variable name for fld (default : the outside name of fldIn). |
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% 'longName' is the corresponding long name (default : ''). |
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% 'units' is the unit of fld (default : '(unknown)'). |
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% 'missval' is the missing value (default : NaN). |
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% 'fillval' is the fill value (default : NaN). |
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%netcdf dimensions : array dimensions are simply set to 'i1,i2,...' |
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gcmfaces_global; |
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doCheck=0;%set to one to print stuff to screen |
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%set more optional paramaters to default values |
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descr=''; |
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fldName=inputname(2); longName=''; |
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units='(unknown)'; missval=NaN; fillval=NaN; |
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dimIn=[]; |
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%set more optional paramaters to user defined values |
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for ii=1:nargin-3; |
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if ~iscell(varargin{ii}); |
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warning('inputCheck:write2nctiles_1',... |
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['write2nctiles expects \n'... |
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' its optional parameters as cell arrays. \n'... |
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' Argument no. ' num2str(ii+1) ' was ignored \n'... |
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' Type ''help write2nctiles'' for details.']); |
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elseif ~ischar(varargin{ii}{1}); |
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warning('inputCheck:write2nctiles_2',... |
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['write2nctiles expects \n'... |
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' its optional parameters cell arrays \n'... |
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' to start with character string. \n'... |
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' Argument no. ' num2str(ii+1) ' was ignored \n'... |
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' Type ''help write2nctiles'' for details.']); |
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else; |
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if strcmp(varargin{ii}{1},'descr')|... |
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strcmp(varargin{ii}{1},'fldName')|... |
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strcmp(varargin{ii}{1},'longName')|... |
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strcmp(varargin{ii}{1},'units')|... |
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strcmp(varargin{ii}{1},'missval')|... |
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strcmp(varargin{ii}{1},'fillval')|... |
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strcmp(varargin{ii}{1},'dimIn'); |
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eval([varargin{ii}{1} '=varargin{ii}{2};']); |
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else; |
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warning('inputCheck:write2nctiles_3',... |
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['unknown option ''' varargin{ii}{1} ''' was ignored']); |
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end; |
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end; |
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end; |
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for ff=1:mygrid.nFaces; |
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if isa(fldIn,'gcmfaces'); |
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fldTile=fldIn{ff}; |
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%reverse order of dimensions |
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nn=length(size(fldTile)); |
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fldTile=permute(fldTile,[nn:-1:1]); |
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else; |
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fldTile=fldIn; |
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end; |
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fileTile=[fileOut sprintf('.%03d.nc',ff)]; |
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%select dimensions of relevance: |
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nDim=length(size(fldTile)); |
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dimsize=size(fldTile); |
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for iDim=1:nDim; |
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if size(fldTile,iDim)~=1; |
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dimlist{iDim}=['i' num2str(iDim)]; |
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dimName{iDim}=['array index ' num2str(iDim)]; |
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eval(['dimvec.i' num2str(iDim) '=[1:size(fldTile,iDim)];']); |
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end; |
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end; |
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%omit singleton dimensions: |
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ii=find(dimsize~=1); |
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dimsize=dimsize(ii); |
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dimlist={dimlist{ii}}; |
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dimName={dimName{ii}}; |
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%check : |
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if doCheck; |
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whos fldTile |
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descr |
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fldName |
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longName |
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units |
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missval |
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fillval |
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dimlist |
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dimName |
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dimsize |
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dimvec |
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keyboard; |
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end; |
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%output dimension information |
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dimOut{ff}=dimlist; |
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if doCreate; |
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%create netcdf file: |
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%------------------- |
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ncid=nccreate(fileTile,'NETCDF4'); |
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aa=sprintf([descr ' [file created with gcmfaces_IO/write2nctiles.m]']); |
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ncputAtt(ncid,'','description',aa); |
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ncputAtt(ncid,'','date',date); |
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ncdefDim(ncid,'itxt',30); |
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for dd=1:length(dimlist); ncdefDim(ncid,dimlist{dd},dimsize(dd)); end; |
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for dd=1:length(dimlist); |
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ncdefVar(ncid,dimlist{dd},'double',{dimlist{dd}}); |
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ncputAtt(ncid,dimlist{dd},'long_name',dimName{dd}); |
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end; |
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ncclose(ncid); |
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%fill in the dimensions dimensions values vectors: |
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%------------------------------------------------- |
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ncid=ncopen(fileTile,'write'); |
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for dd=1:length(dimlist); |
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ncputvar(ncid,dimlist{dd},getfield(dimvec,dimlist{dd})); |
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end; |
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ncclose(ncid); |
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end; |
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%use dimentsion specified by user |
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if ~isempty(dimIn); dimlist=dimIn{ff}; end; |
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%define and fill field: |
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%---------------------- |
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ncid=ncopen(fileTile,'write'); |
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if (myenv.useNativeMatlabNetcdf); netcdf.reDef(ncid); end; |
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ncdefVar(ncid,fldName,'double',flipdim(dimlist,2));%note the direction flip |
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if ~isempty(longName); ncputAtt(ncid,fldName,'long_name',longName); end; |
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if ~isempty(units); ncputAtt(ncid,fldName,'units',units); end; |
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ncputAtt(ncid,fldName,'missing_value',missval); |
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if (myenv.useNativeMatlabNetcdf); netcdf.endDef(ncid); end; |
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ncputvar(ncid,fldName,fldTile); |
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ncclose(ncid); |
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end;%for ff=1:mygrid.nFaces; |
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