/[MITgcm]/MITgcm_contrib/gael/matlab_class/gcmfaces_IO/convert2gcmfaces.m
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revision 1.2 by gforget, Thu Apr 15 23:15:11 2010 UTC revision 1.11 by gforget, Sun Jan 10 17:05:58 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    %           or vice versa
4    %input:     v0 model output array (resp. gcmfaces object)
5    %output:    v1 gcmfaces object (model output array)
6    %
7    %note:      global mygrid parameters (nFaces, fileFormat) are used
8    
9  aa=whos('v0'); doGcm2Faces=strcmp(aa.class,'double');  input_list_check('convert2gcmfaces',nargin);
   
 if doGcm2Faces;  
10    
11    if nargin==1; nFaces=5; else; nFaces=varargin{1}; end;  aa=whos('v0'); doGcm2Faces=strcmp(aa.class,'double');
12    
13    if nFaces>1;  global mygrid;
14    
15      nn=size(v0,1);  if doGcm2Faces&mygrid.gcm2facesFast;
16      pp=size(v0,2)/nn;      
17      mm=(pp+4-nFaces)/4*nn;      [n1,n2,n3,n4,n5]=size(v0);
18        
19      n3=size(v0,3); n4=size(v0,4);      v0=reshape(v0,[n1*n2 n3*n4*n5]);
20        for iFace=1:mygrid.nFaces;
21      v00=reshape(v0,[nn*nn*pp n3*n4]);          v1{iFace}=reshape(mygrid.gcm2faces{iFace}*v0,[size(mygrid.XC{iFace}) n3 n4 n5]);
     i0=1; i1=nn*mm; v1{1}=reshape(v00(i0:i1,:),[nn mm n3 n4]);  
     i0=i1+1; i1=i1+nn*mm; v1{2}=reshape(v00(i0:i1,:),[nn mm n3 n4]);  
     i0=i1+1; i1=i1+nn*nn; v1{3}=reshape(v00(i0:i1,:),[nn nn n3 n4]);  
     i0=i1+1; i1=i1+nn*mm; v1{4}=reshape(v00(i0:i1,:),[mm nn n3 n4]);  
     i0=i1+1; i1=i1+nn*mm; v1{5}=reshape(v00(i0:i1,:),[mm nn n3 n4]);  
     if nFaces==6;  
        i0=i1+1; i1=i1+nn*nn; v1{6}=reshape(v00(i0:i1,:),[nn nn n3 n4]);  
22      end;      end;
23        
24    else;      v1=gcmfaces(v1);
25      v1={v0};      
26    end;  elseif ~doGcm2Faces&mygrid.gcm2facesFast;
27        
28    if nFaces==1; gridType='ll'; elseif nFaces==5; gridType='llc'; elseif nFaces==6; gridType='cube'; end;      [n1,n2,n3,n4,n5]=size(v0{1});
29    v1=gcmfaces(v1,gridType);      
30        v1=zeros(mygrid.faces2gcmSize(1)*mygrid.faces2gcmSize(2),n3*n4*n5);
31        for iFace=1:mygrid.nFaces;
32            nn=size(mygrid.XC{iFace});
33            v1(mygrid.faces2gcm{iFace},:)=reshape(v0{iFace},[nn(1)*nn(2) n3*n4*n5]);
34        end;
35        v1=reshape(v1,[mygrid.faces2gcmSize n3 n4 n5]);
36        
37    elseif doGcm2Faces;
38        
39        [n1,n2,n3,n4,n5]=size(v0);
40        
41        if strcmp(mygrid.fileFormat,'straight');
42            v1={v0};
43        elseif strcmp(mygrid.fileFormat,'cube');
44            for ii=1:6; v1{ii}=v0(n2*(ii-1)+[1:n2],:,:,:,:); end;
45        elseif strcmp(mygrid.fileFormat,'compact')|strcmp(mygrid.fileFormat,'nctiles');
46            v00=reshape(v0,[n1*n2 n3*n4*n5]);
47            i0=0; i1=0;
48            for iFace=1:mygrid.nFaces;
49                i0=i1+1;
50                nn=mygrid.facesSize(iFace,1); mm=mygrid.facesSize(iFace,2);
51                i1=i1+nn*mm;
52                v1{iFace}=reshape(v00(i0:i1,:),[nn mm n3 n4 n5]);
53            end;
54        end;
55        
56        v1=gcmfaces(v1);
57        
58        if ~isempty(mygrid.facesExpand); v1=convert2widefaces(v1); end;
59        
60  else;  else;
61        
62    nFaces=get(v0,'nFaces');      [n1,n2,n3,n4,n5]=size(v0{1});
63        
64    if nFaces>1;      if strcmp(mygrid.fileFormat,'straight');
65            v1=v0{1};
66      v0_faces=v0; clear v0;      elseif strcmp(mygrid.fileFormat,'cube');
67      for iFace=1:nFaces; eval(['v0{iFace}=get(v0_faces,''f' num2str(iFace) ''');']); end;          v1=zeros(n2*6,n2,n3,n4,n5);
68            for ii=1:6; v1([1:n2]+(ii-1)*n2,:,:,:,:)=v0{ii}; end;
69      nn=size(v0{1},1); mm=size(v0{1},2);      elseif strcmp(mygrid.fileFormat,'compact')|strcmp(mygrid.fileFormat,'nctiles');
70      pp=mm/nn*4+nFaces-4;          
71            %   is there a reason for this?
72      n3=size(v0{1},3); n4=size(v0{1},4);          %         v0_faces=v0; clear v0;
73      v1=NaN*zeros(nn,nn*pp,n3,n4);          %         for iFace=1:mygrid.nFaces; eval(['v0{iFace}=get(v0_faces,''f' num2str(iFace) ''');']); end;
74            
75      v11=NaN*zeros(nn*nn*pp,n3*n4);          if ~isempty(mygrid.facesExpand); v0=convert2widefaces(v0); end;
76      
77     i0=1; i1=nn*mm; tmp1=reshape(v0{1},[nn*mm n3*n4]); v11(i0:i1,:)=tmp1(:,:);          aa=0;bb=0;
78     i0=i1+1; i1=i1+nn*mm; tmp1=reshape(v0{2},[nn*mm n3*n4]); v11(i0:i1,:)=tmp1(:,:);          for iFace=1:mygrid.nFaces;
79     i0=i1+1; i1=i1+nn*nn; tmp1=reshape(v0{3},[nn*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);              aa=aa+prod(mygrid.facesSize(iFace,:));
80     i0=i1+1; i1=i1+nn*mm; tmp1=reshape(v0{4},[mm*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);              bb=bb+prod(size(v0{iFace}));
81     i0=i1+1; i1=i1+nn*mm; tmp1=reshape(v0{5},[mm*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);          end;
82     if nFaces==6;          bb=bb/aa;
83        i0=i1+1; i1=i1+nn*nn; tmp1=reshape(v0{6},[nn*nn n3*n4]); v11(i0:i1,:)=tmp1(:,:);          v11=NaN*zeros(aa,bb);
84     end;          
85            i0=0; i1=0;
86     v1=reshape(v11,[nn nn*pp n3 n4]);          for iFace=1:mygrid.nFaces;
87                i0=i1+1;
88    else;              nn=mygrid.facesSize(iFace,1); mm=mygrid.facesSize(iFace,2);
89      v1=v0{1};              i1=i1+nn*mm;
90    end;              v11(i0:i1,:)=reshape(v0{iFace},[nn*mm bb]);
91            end;
92            nn=mygrid.ioSize(1); mm=mygrid.ioSize(2);        
93            v1=reshape(v11,[nn mm n3 n4 n5]);
94            
95        end;
96        
97  end;  end;
98    
99    
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