Created
April 2, 2018 19:27
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Extract the lat-lon part of ecco v4 grid variables (see doi.org/10.5194/gmd-8-3071-2015)
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function []=grid_load_lonlat(); | |
global mygrid; | |
mygrid=[]; | |
do_gcmfaces=~isempty(which('gcmfaces')); | |
%defining the grid | |
mygrid.dirGrid='nctiles_grid/'; | |
if do_gcmfaces; | |
mygrid.fileFormat='straight'; | |
mygrid.nFaces=1; | |
mygrid.gcm2facesFast=0; | |
mygrid.memoryLimit=0; | |
mygrid.ioSize=[360 178]; | |
mygrid.facesSize=[[360 178]]; | |
mygrid.facesExpand=[]; | |
mygrid.missVal=0; | |
end; | |
%load the grid variables | |
fldLoc=[mygrid.dirGrid 'GRID']; | |
mateLoc=fldLoc; | |
fil=[fldLoc '.0001.nc']; | |
list0={'XC','XG','YC','YG','RAC','RAZ','hFacC','hFacS','hFacW','Depth','AngleCS','AngleSN','RAC','RAZ'}; | |
for ii=1:length(list0); | |
tmp1=eccov4_lonlat(fldLoc,list0{ii},[]); | |
if do_gcmfaces; tmp1=convert2gcmfaces(tmp1); end; | |
mygrid=setfield(mygrid,list0{ii},tmp1); | |
end; | |
list0={'DXC','DXG','DYC','DYG'}; | |
[mygrid.DXC,mygrid.DYC]=eccov4_lonlat(fldLoc,'DXC',[],mateLoc,'DYC',1); | |
[mygrid.DYG,mygrid.DXG]=eccov4_lonlat(fldLoc,'DYG',[],mateLoc,'DXG',1); | |
if do_gcmfaces; | |
for ii=1:length(list0); | |
tmp1=convert2gcmfaces(getfield(mygrid,list0{ii})); | |
mygrid=setfield(mygrid,list0{ii},tmp1); | |
end; | |
end; | |
%list0={'mskC','mskW','mskS'}; | |
mygrid.mskC=1*(mygrid.hFacC>0); mygrid.mskC(mygrid.mskC==0)=NaN; | |
mygrid.mskW=1*(mygrid.hFacW>0); mygrid.mskW(mygrid.mskW==0)=NaN; | |
mygrid.mskS=1*(mygrid.hFacS>0); mygrid.mskS(mygrid.mskS==0)=NaN; | |
list0={'RC','RF','DRC','DRF'}; | |
for ii=1:length(list0); | |
tmp1=ncread(fil,list0{ii}); | |
mygrid=setfield(mygrid,list0{ii},tmp1); | |
end; | |
%to allow convert2gcmfaces/doFast: | |
if do_gcmfaces; | |
tmp1=convert2gcmfaces(mygrid.XC); | |
tmp1(:)=[1:length(tmp1(:))]; | |
nn=length(tmp1(:)); | |
mygrid.gcm2faces=convert2gcmfaces(tmp1); | |
mygrid.faces2gcmSize=size(tmp1); | |
mygrid.faces2gcm=convert2gcmfaces(tmp1); | |
for iFace=1:mygrid.nFaces; | |
n=length(mygrid.gcm2faces{iFace}(:)); | |
mygrid.faces2gcm{iFace}=mygrid.gcm2faces{iFace}(:); | |
mygrid.gcm2faces{iFace}=sparse([1:n],mygrid.gcm2faces{iFace}(:),ones(1,n),n,nn); | |
end; | |
mygrid.gcm2facesFast=true; | |
end; |
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