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gforget |
1.9 |
function []=plot_one_field(choiceV3orV4,plotMethod); |
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%object: illustrate several methods to plot fields within gcmfaces. |
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%inputs: choiceV3orV4 ('v3' or 'v4') selects the sample GRID |
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% plotMethod selects the plotting method |
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% 0) all, one after the other |
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% 1) plot a gcmfaces object face by face |
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% 2) use convert2array then plot in array coordinates. |
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% 3) use convert2pcol then plot in lat-lon coordinates. |
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% 4) use the gcmfaces front end to m_map. |
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input_list_check('plot_one_field',nargin); |
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gforget |
1.1 |
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gforget |
1.13 |
gcmfaces_global; |
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if myenv.verbose>0; |
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gcmfaces_msg('==============================================='); |
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gcmfaces_msg(['*** entering plot_one_field that displays ' ... |
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'a gridded field of ocean depth, first ' ... |
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'in gcmfaces and array formats. Then in geographic coordinates ' ... |
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'using pcolor and in various projections using m_map (if avail. in path). '],''); |
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end; |
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gforget |
1.1 |
%%%%%%%%%%%%%%%%% |
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%load parameters: |
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%%%%%%%%%%%%%%%%% |
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gforget |
1.12 |
dir0=[myenv.gcmfaces_dir '/sample_input/']; |
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gforget |
1.9 |
dirGrid=[dir0 '/GRID' choiceV3orV4 '/']; |
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dirIn=[dir0 '/SAMPLE' choiceV3orV4 '/']; |
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if strcmp(choiceV3orV4,'v4'); nF=5; fileFormat='compact'; else; nF=1; fileFormat='straight'; end; |
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gforget |
1.12 |
mygrid=[]; grid_load(dirGrid,nF,fileFormat); |
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gforget |
1.1 |
|
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%%%%%%%%%%% |
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%get field: |
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%%%%%%%%%%% |
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gforget |
1.12 |
fld=mygrid.mskC(:,:,1).*mygrid.Depth; cc=[[0:0.05:0.5] [0.6 0.75 1 1.25]]*1e4; myCmap='gray'; |
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gforget |
1.9 |
|
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gforget |
1.1 |
%%%%%%%%%%%% |
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%plot field: |
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%%%%%%%%%%%% |
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gforget |
1.9 |
|
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if plotMethod==0|plotMethod==1; |
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gforget |
1.13 |
if myenv.verbose>0; gcmfaces_msg('* gcmfaces format display -- face by face.'); end; |
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gforget |
1.9 |
if nF==1; |
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gforget |
1.12 |
figure; imagescnan(fld{1}','nancolor',[1 1 1]*0.8); axis xy; cb=gcmfaces_cmap_cbar(cc,{'myCmap',myCmap}); delete(cb); |
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gforget |
1.9 |
elseif nF==5; |
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figure; |
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gforget |
1.12 |
subplot(3,3,7); imagescnan(fld{1}','nancolor',[1 1 1]*0.8); axis xy; cb=gcmfaces_cmap_cbar(cc,{'myCmap',myCmap}); delete(cb); |
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tmp1=axis; tmp2=text(tmp1(2)/2,tmp1(4)/2,'1','FontSize',32,'Color','r','Rotation',0); |
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subplot(3,3,8); imagescnan(fld{2}','nancolor',[1 1 1]*0.8); axis xy; cb=gcmfaces_cmap_cbar(cc,{'myCmap',myCmap}); delete(cb); |
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tmp1=axis; tmp2=text(tmp1(2)/2,tmp1(4)/2,'2','FontSize',32,'Color','r','Rotation',0); |
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subplot(3,3,5); imagescnan(fld{3}','nancolor',[1 1 1]*0.8); axis xy; cb=gcmfaces_cmap_cbar(cc,{'myCmap',myCmap}); delete(cb); |
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tmp1=axis; tmp2=text(tmp1(2)/2,tmp1(4)/2,'3','FontSize',32,'Color','r','Rotation',0); |
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subplot(3,3,6); imagescnan(fld{4}','nancolor',[1 1 1]*0.8); axis xy; cb=gcmfaces_cmap_cbar(cc,{'myCmap',myCmap}); delete(cb); |
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tmp1=axis; tmp2=text(tmp1(2)/2,tmp1(4)/2,'4','FontSize',32,'Color','r','Rotation',0); |
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subplot(3,3,3); imagescnan(fld{5}','nancolor',[1 1 1]*0.8); axis xy; cb=gcmfaces_cmap_cbar(cc,{'myCmap',myCmap}); delete(cb); |
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tmp1=axis; tmp2=text(tmp1(2)/2,tmp1(4)/2,'5','FontSize',32,'Color','r','Rotation',0); |
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gforget |
1.9 |
elseif nF==6; |
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error('face by face plot for cude : not yet implemented'); |
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end; |
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end; |
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if plotMethod==0|plotMethod==2; |
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gforget |
1.13 |
if myenv.verbose>0; gcmfaces_msg('* array format display -- all faces concatenated somehow.'); end; |
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gforget |
1.9 |
figure; |
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FLD=convert2array(fld); |
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gforget |
1.12 |
imagescnan(FLD','nancolor',[1 1 1]*0.8); axis xy; cb=gcmfaces_cmap_cbar(cc,{'myCmap',myCmap}); %delete(cb); |
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for ff=1:mygrid.nFaces; |
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tmp0=0*mygrid.XC; |
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tmp1=round(size(tmp0{ff})/2); |
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tmp0{ff}(tmp1(1),tmp1(2))=1; |
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tmp0=convert2array(tmp0); [ii,jj]=find(tmp0==1); |
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if ff==3; ang=90; elseif ff>3; ang=-90; else; ang=0; end; |
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hold on; text(ii,jj,num2str(ff),'FontSize',32,'Color','r','Rotation',ang); |
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end; |
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gforget |
1.9 |
end; |
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if plotMethod==0|plotMethod==3; |
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gforget |
1.13 |
if myenv.verbose>0; gcmfaces_msg('* geographical display -- using pcolor.'); end; |
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gforget |
1.9 |
figure; |
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[X,Y,FLD]=convert2pcol(mygrid.XC,mygrid.YC,fld); pcolor(X,Y,FLD); |
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if ~isempty(find(X>359)); axis([0 360 -90 90]); else; axis([-180 180 -90 90]); end; |
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gforget |
1.12 |
shading flat; cb=gcmfaces_cmap_cbar(cc,{'myCmap',myCmap}); delete(cb); xlabel('longitude'); ylabel('latitude'); |
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gforget |
1.2 |
end; |
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gforget |
1.1 |
|
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gforget |
1.9 |
if plotMethod==0|plotMethod==4; |
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gforget |
1.13 |
if myenv.verbose>0; gcmfaces_msg('* geographical display -- using m_map.'); end; |
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gforget |
1.9 |
if ~isempty(which('m_proj')); |
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gforget |
1.12 |
figure; m_map_gcmfaces(fld,0,{'myCaxis',cc},{'myCmap',myCmap}); |
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elseif myenv.verbose; |
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gforget |
1.9 |
fprintf('if you want to use m_map_gcmfaces, you will need to have m_map in your path\n'); |
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end; |
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end; |
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gforget |
1.11 |
%test case for depthStretchPlot: |
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if plotMethod==0|plotMethod==5; |
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gforget |
1.13 |
if myenv.verbose>0; gcmfaces_msg('* section display -- using strecthed vertical coord.'); end; |
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gforget |
1.12 |
x=ones(length(mygrid.RC),1)*[1:200]; z=mygrid.RC*ones(1,200); c=sin(z/2000*pi).*cos(x/50*pi); |
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gforget |
1.11 |
figure; |
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subplot(1,2,1); pcolor(x,z,c); shading flat; title('standard depth display'); |
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subplot(1,2,2); depthStretchPlot('pcolor',{x,z,c}); shading flat; title('stretched depth display'); |
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% subplot(1,2,1); plot(c(:,1),z(:,1)); title('standard depth display'); |
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% subplot(1,2,2); depthStretchPlot('plot',{c(:,1),z(:,1)}); title('stretched depth display'); |
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end; |
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gforget |
1.13 |
if myenv.verbose>0; |
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gcmfaces_msg('*** leaving plot_one_field'); |
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gcmfaces_msg('==============================================='); |
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end; |
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gforget |
1.9 |
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