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plot_mesh_UKESM1_0_LL.m
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%%
mdl_name = 'UKESM1-0-LL';
dname = '/home/swang/Data/grid_and_mask/areacello_cmip6/';
fname = 'areacello_Ofx_UKESM1-0-LL_piControl_r1i1p1f2_gn.nc';
fout = [mdl_name,'_sections.mat'];
ncdisp([dname,fname]);
dmask = '/media/swang/CMIP6_5/UKESM1-0-LL/';
fmask = 'so_Omon_UKESM1-0-LL_ssp585_r1i1p1f2_gn_210001-210012_2100.nc';
ncdisp([dmask,fmask]);
mask_3d = ncread([dmask,fmask],'so',[1,1,1,1],[Inf Inf Inf 1],[1,1,1,1]);
mask_2d = ncread([dmask,fmask],'so',[1,1,1,1],[Inf Inf 1 1],[1,1,1,1]);
mask_3d(~isnan(mask_3d)) = 1;
mask_3d(isnan(mask_3d)) = 0;
mask_2d(~isnan(mask_2d)) = 1;
mask_2d(isnan(mask_2d)) = 0;
area = ncread([dname,fname],'areacello');
lon = ncread([dname,fname],'longitude');
lat = ncread([dname,fname],'latitude');
nlon = ncread([dname,fname],'i');
nlat = ncread([dname,fname],'j');
lat_bnds = ncread([dname,fname],'vertices_latitude');
lon_bnds = ncread([dname,fname],'vertices_longitude');
lat_bnds = reshape(lat_bnds,4,[]);
lon_bnds = reshape(lon_bnds,4,[]);
sec_list = {'Fram_strait','Davis_strait','Bering_strait','Denmark_strait','Barents_opening'};
% sec_list = {'Fram_strait'};
% sec_list = {'Barents_opening','Denmark_strait'};
% sec_list = {'Bering_strait','Denmark_strait'};
% save([dname,fout],'mdl_name');
%%
for isec=1:length(sec_list)
sec_name = char(sec_list(isec));
figure;
m_proj('Azimuthal Equal-area','lon',0,'lat',90,'radius',40);
[x_bnds y_bnds] = m_ll2xy(lon_bnds,lat_bnds);
[x_cent y_cent] = m_ll2xy(lon,lat);
% patch(x,y,area(:),'facecolor','none','EdgeColor','r');
patch(x_bnds,y_bnds,mask_2d(:),'EdgeColor','r');
% color_mask = ones(length(mask_2d(:)),3);
% color_mask(find(mask_2d(:)==0),:) = 0;
% patch(x,y,color_mask,'EdgeColor','r');
axis tight;
hold on;
m_scatter(lon(:),lat(:),2,'Filled');
m_grid('xtick',[-180:45:180],'xticklabel',[],'ytick',[50:10:90],'yticklabel',[],'Color','b','LineStyle','-');
% m_coast('patch',[.8 .8 .8],'edgecolor','k');
% m_coast('patch',[.9 .9 .9],'edgecolor','k');
title(['Zoom in for ', strrep(sec_name,'_','-'), ' and press ENTER']);
pause;
loc = [];
while(true)
[x_sec,y_sec] = ginput(1);
if(isempty(x_sec))
break;
else
title('Pick up grid points. Press ENTER to stop!')
[~,ind] = min(sqrt((x_cent(:)-x_sec).^2+(y_cent(:)-y_sec).^2));
hold on;
scatter(x_cent(ind),y_cent(ind),20,'k','Filled');
loc = [loc ind];
clear x_sec y_sec ind;
end
end
% scatter(x_cent(ind),y_cent(ind),30,'k','Filled');
eval([sec_name,'=[',num2str(loc),']']);
% save('test.mat',sec_name,'-append');
save([dname,fout],sec_name,'-append');
end
%%
rEarth = 12735000/2.0;% m
for inod = 1:length(Fram_strait)
nod_lons = lon_bnds(:,Fram_strait(inod));
nod_lats = lat_bnds(:,Fram_strait(inod));
lon1 = nod_lons(3); lat1 = nod_lats(3);
lon2 = nod_lons(4); lat2 = nod_lats(4);
dx = rEarth*acos(cosd(lat1)*cosd(lat2)*cosd(lon1-lon2)+sind(lat1)*sind(lat2));
end
%%
hold on;
scatter(x_cent(Fram_strait),y_cent(Fram_strait),20,'k','Filled');
%
hold on;
m_scatter(lon_bnds(1,Fram_strait(3)),lat_bnds(1,Fram_strait(3)),20,'r','Filled')
hold on;
m_scatter(lon_bnds(2,Fram_strait(3)),lat_bnds(2,Fram_strait(3)),20,'b','Filled')
hold on;
m_scatter(lon_bnds(3,Fram_strait(3)),lat_bnds(3,Fram_strait(3)),20,'c','Filled')
hold on;
m_scatter(lon_bnds(4,Fram_strait(3)),lat_bnds(4,Fram_strait(3)),20,'m','Filled')
%%
hold on;
scatter(x_cent(Bering_strait),y_cent(Bering_strait),20,'k','Filled');
%
hold on;
m_scatter(lon_bnds(1,Bering_strait(1)),lat_bnds(1,Bering_strait(1)),20,'r','Filled')
hold on;
m_scatter(lon_bnds(2,Bering_strait(1)),lat_bnds(2,Bering_strait(1)),20,'b','Filled')
hold on;
m_scatter(lon_bnds(3,Bering_strait(1)),lat_bnds(3,Bering_strait(1)),20,'c','Filled')
hold on;
m_scatter(lon_bnds(4,Bering_strait(1)),lat_bnds(4,Bering_strait(1)),20,'m','Filled')
%% Davis Strait
hold on;
scatter(x_cent(Davis_strait),y_cent(Davis_strait),20,'k','Filled');
%
hold on;
m_scatter(lon_bnds(1,Davis_strait(1)),lat_bnds(1,Davis_strait(1)),20,'r','Filled')
hold on;
m_scatter(lon_bnds(2,Davis_strait(1)),lat_bnds(2,Davis_strait(1)),20,'b','Filled')
hold on;
m_scatter(lon_bnds(3,Davis_strait(1)),lat_bnds(3,Davis_strait(1)),20,'c','Filled')
hold on;
m_scatter(lon_bnds(4,Davis_strait(1)),lat_bnds(4,Davis_strait(1)),20,'m','Filled')
%% Denmark Strait
hold on;
scatter(x_cent(Denmark_strait),y_cent(Denmark_strait),20,'k','Filled');
%
hold on;
m_scatter(lon_bnds(1,Denmark_strait(1)),lat_bnds(1,Denmark_strait(1)),20,'r','Filled')
hold on;
m_scatter(lon_bnds(2,Denmark_strait(1)),lat_bnds(2,Denmark_strait(1)),20,'b','Filled')
hold on;
m_scatter(lon_bnds(3,Denmark_strait(1)),lat_bnds(3,Denmark_strait(1)),20,'c','Filled')
hold on;
m_scatter(lon_bnds(4,Denmark_strait(1)),lat_bnds(4,Denmark_strait(1)),20,'m','Filled')
%% Barents Sea Opening
hold on;
scatter(x_cent(Barents_opening),y_cent(Barents_opening),20,'k','Filled');
%
hold on;
m_scatter(lon_bnds(1,Barents_opening(1)),lat_bnds(1,Barents_opening(1)),20,'r','Filled')
hold on;
m_scatter(lon_bnds(2,Barents_opening(1)),lat_bnds(2,Barents_opening(1)),20,'b','Filled')
hold on;
m_scatter(lon_bnds(3,Barents_opening(1)),lat_bnds(3,Barents_opening(1)),20,'c','Filled')
hold on;
m_scatter(lon_bnds(4,Barents_opening(1)),lat_bnds(4,Barents_opening(1)),20,'m','Filled')