/[MITgcm]/MITgcm_contrib/gael/matlab_class/gcmfaces_IO/convert2gcmfaces.m
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revision 1.4 by gforget, Wed Nov 3 19:53:13 2010 UTC revision 1.12 by gforget, Sun May 1 20:48:33 2016 UTC
# Line 1  Line 1 
1  function [v1]=convert2gcmfaces(v0,varargin);  function [v1]=convert2gcmfaces(v0,varargin);
2    %object:    converts model output to gcmfaces object
3  global fileFormat;  %           or vice versa
4  if isempty(fileFormat);  %input:     v0 model output array (resp. gcmfaces object)
5   global gcmfaces_verbose;  %output:    v1 gcmfaces object (model output array)
6   if gcmfaces_verbose;  %
7     fprintf('\nconvert2gcmfaces.m init: there are several supported file conventions. \n');  %note:      global mygrid parameters (nFaces, fileFormat) are used
8     fprintf('  By default gcmfaces assumes MITgcm type binary formats as follows: \n')  
9     fprintf('  (1 face) straight global format; (4 or 5 faces) compact global format\n');  input_list_check('convert2gcmfaces',nargin);
10     fprintf('  (6 faces) cube format with one face after the other. \n');  
11     fprintf('  If this is inadequate, you can change the format below.\n\n');  aa=whos('v0');
12   end;  if strcmp(aa.class,'single'); v0=double(v0); end;
13   if nargin==1; nFaces=5; else; nFaces=varargin{1}; end;  aa=whos('v0');
14   if nFaces==1;          fileFormat='straight';  doGcm2Faces=strcmp(aa.class,'double');
15   elseif nFaces==6;      fileFormat='cube';  
16   else;                  fileFormat='compact';  global mygrid;
17   end;  
18  end;  if doGcm2Faces&mygrid.gcm2facesFast;
19        
20  aa=whos('v0'); doGcm2Faces=strcmp(aa.class,'double');      [n1,n2,n3,n4,n5]=size(v0);
21        
22  if doGcm2Faces;      v0=reshape(v0,[n1*n2 n3*n4*n5]);
23        for iFace=1:mygrid.nFaces;
24    if nargin==1; nFaces=5; else; nFaces=varargin{1}; end;          v1{iFace}=reshape(mygrid.gcm2faces{iFace}*v0,[size(mygrid.XC{iFace}) n3 n4 n5]);
25        end;
26    [n1,n2,n3,n4]=size(v0);      
27        v1=gcmfaces(v1);
28    if strcmp(fileFormat,'straight');      
29      v1={v0};  elseif ~doGcm2Faces&mygrid.gcm2facesFast;
30    elseif strcmp(fileFormat,'cube');      
31      for ii=1:6; v1{ii}=v0(n2*(ii-1)+[1:n2],:,:,:); end;      [n1,n2,n3,n4,n5]=size(v0{1});
32    elseif strcmp(fileFormat,'compact');      
33        v1=zeros(mygrid.faces2gcmSize(1)*mygrid.faces2gcmSize(2),n3*n4*n5);
34      nn=size(v0,1);      for iFace=1:mygrid.nFaces;
35      pp=size(v0,2)/nn;          nn=size(mygrid.XC{iFace});
36      mm=(pp+4-nFaces)/4*nn;          v1(mygrid.faces2gcm{iFace},:)=reshape(v0{iFace},[nn(1)*nn(2) n3*n4*n5]);
37        end;
38      v00=reshape(v0,[nn*nn*pp n3*n4]);      v1=reshape(v1,[mygrid.faces2gcmSize n3 n4 n5]);
39      i0=1; i1=nn*mm; v1{1}=reshape(v00(i0:i1,:),[nn mm n3 n4]);      
40      i0=i1+1; i1=i1+nn*mm; v1{2}=reshape(v00(i0:i1,:),[nn mm n3 n4]);  elseif doGcm2Faces;
41      i0=i1+1; i1=i1+nn*nn; v1{3}=reshape(v00(i0:i1,:),[nn nn n3 n4]);      
42      i0=i1+1; i1=i1+nn*mm; v1{4}=reshape(v00(i0:i1,:),[mm nn n3 n4]);      [n1,n2,n3,n4,n5]=size(v0);
43      i0=i1+1; i1=i1+nn*mm; v1{5}=reshape(v00(i0:i1,:),[mm nn n3 n4]);      
44      if nFaces==6;      if strcmp(mygrid.fileFormat,'straight');
45         i0=i1+1; i1=i1+nn*nn; v1{6}=reshape(v00(i0:i1,:),[nn nn n3 n4]);          v1={v0};
46      end;      elseif strcmp(mygrid.fileFormat,'cube');
47            for ii=1:6; v1{ii}=v0(n2*(ii-1)+[1:n2],:,:,:,:); end;
48    end;      elseif strcmp(mygrid.fileFormat,'compact')|strcmp(mygrid.fileFormat,'nctiles');
49            v00=reshape(v0,[n1*n2 n3*n4*n5]);
50    if nFaces==1; gridType='ll'; elseif nFaces==5; gridType='llc'; elseif nFaces==6; gridType='cube'; end;          i0=0; i1=0;
51    v1=gcmfaces(v1,gridType);          for iFace=1:mygrid.nFaces;
52                i0=i1+1;
53  else;              nn=mygrid.facesSize(iFace,1); mm=mygrid.facesSize(iFace,2);
54                i1=i1+nn*mm;
55    nFaces=get(v0,'nFaces');              v1{iFace}=reshape(v00(i0:i1,:),[nn mm n3 n4 n5]);
56            end;
57    [n1,n2,n3,n4]=size(v0{1});      end;
58        
59    if strcmp(fileFormat,'straight');      v1=gcmfaces(v1);
60      v1=v0{1};      
61    elseif strcmp(fileFormat,'cube');      if ~isempty(mygrid.facesExpand); v1=convert2widefaces(v1); end;
62      v1=zeros(n2*6,n2,n3,n4);      
63      for ii=1:6; v1([1:n2]+(ii-1)*n2,:,:,:)=v0{ii}; end;  else;
64    elseif strcmp(fileFormat,'compact');      
65        [n1,n2,n3,n4,n5]=size(v0{1});
66      v0_faces=v0; clear v0;      
67      for iFace=1:nFaces; eval(['v0{iFace}=get(v0_faces,''f' num2str(iFace) ''');']); end;      if strcmp(mygrid.fileFormat,'straight');
68            v1=v0{1};
69      nn=size(v0{1},1); mm=size(v0{1},2);      elseif strcmp(mygrid.fileFormat,'cube');
70      pp=mm/nn*4+nFaces-4;          v1=zeros(n2*6,n2,n3,n4,n5);
71            for ii=1:6; v1([1:n2]+(ii-1)*n2,:,:,:,:)=v0{ii}; end;
72      n3=size(v0{1},3); n4=size(v0{1},4);      elseif strcmp(mygrid.fileFormat,'compact')|strcmp(mygrid.fileFormat,'nctiles');
73      v1=NaN*zeros(nn,nn*pp,n3,n4);          
74            %   is there a reason for this?
75      v11=NaN*zeros(nn*nn*pp,n3*n4);          %         v0_faces=v0; clear v0;
76              %         for iFace=1:mygrid.nFaces; eval(['v0{iFace}=get(v0_faces,''f' num2str(iFace) ''');']); end;
77     i0=1; i1=nn*mm; tmp1=reshape(v0{1},[nn*mm n3*n4]); v11(i0:i1,:)=tmp1(:,:);          
78     i0=i1+1; i1=i1+nn*mm; tmp1=reshape(v0{2},[nn*mm n3*n4]); v11(i0:i1,:)=tmp1(:,:);          if ~isempty(mygrid.facesExpand); v0=convert2widefaces(v0); end;
79     i0=i1+1; i1=i1+nn*nn; tmp1=reshape(v0{3},[nn*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);  
80     i0=i1+1; i1=i1+nn*mm; tmp1=reshape(v0{4},[mm*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);          aa=0;bb=0;
81     i0=i1+1; i1=i1+nn*mm; tmp1=reshape(v0{5},[mm*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);          for iFace=1:mygrid.nFaces;
82     if nFaces==6;              aa=aa+prod(mygrid.facesSize(iFace,:));
83        i0=i1+1; i1=i1+nn*nn; tmp1=reshape(v0{6},[nn*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);              bb=bb+prod(size(v0{iFace}));
84     end;          end;
85            bb=bb/aa;
86     v1=reshape(v11,[nn nn*pp n3 n4]);          v11=NaN*zeros(aa,bb);
87            
88    end;          i0=0; i1=0;
89            for iFace=1:mygrid.nFaces;
90  end;              i0=i1+1;
91                nn=mygrid.facesSize(iFace,1); mm=mygrid.facesSize(iFace,2);
92                i1=i1+nn*mm;
93                v11(i0:i1,:)=reshape(v0{iFace},[nn*mm bb]);
94            end;
95            nn=mygrid.ioSize(1); mm=mygrid.ioSize(2);        
96            v1=reshape(v11,[nn mm n3 n4 n5]);
97            
98        end;
99        
100    end;
101    
102    

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