Unable to use load coast and geoshow as it was in the R2017a version.
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clear
clc
ncFilePath = 'E:\ERA5\U\U_Clim_1987_2016\U_06\U_06.nc';
ncid = netcdf.open(ncFilePath, 'NOWRITE');
lat = netcdf.getVar(ncid, netcdf.inqVarID(ncid, 'latitude'));
lon = netcdf.getVar(ncid, netcdf.inqVarID(ncid, 'longitude'));
time = netcdf.getVar(ncid, netcdf.inqVarID(ncid, 'time'));
u10 = netcdf.getVar(ncid, netcdf.inqVarID(ncid, 'u10'));
netcdf.close(ncid);
u10_mean = mean(u10, 3);
lat_limit = [0 40];
lon_limit = [60 120];
lat_indices = find(lat >= lat_limit(1) & lat <= lat_limit(2));
lon_indices = find(lon >= lon_limit(1) & lon <= lon_limit(2));
lon_subset = lon(lon_indices);
lat_subset = lat(lat_indices);
[lon_grid, lat_grid] = meshgrid(lon_subset, lat_subset);
figure;
contourf(lon_subset, lat_subset, u10_mean(lat_indices, lon_indices)', 20, 'LineColor', 'none');
colorbar;
title('Spatial Map of Mean u10 (Region of Interest)');
xlabel('Longitude');
ylabel('Latitude');
The problem is I want to create a spatial map in the given lat lon grids. I am unable to use the load coast and geoshow here in 2023b version. I have used coastline.mat function, still there are some problems, how can I use load coast and geoshow here in the code so that I can have a spatial map only in the given lat lon grid
1 comentario
Kojiro Saito
el 7 de Mzo. de 2024
Do you mean load coastlines?
load coastlines
geoshow(coastlat, coastlon)
Respuestas (1)
Austin M. Weber
el 7 de Mzo. de 2024
The command is not load coast but rather:
load coastlines
Here is an example of how you can use it:
load coastlines
figure
ax=axesm('mollweid','maplonlimit', [60 120],'maplatlimit',[0 40]);
%contourfm(lon_subset, lat_subset, u10_mean(lat_indices, lon_indices)')
colorbar
hold on
plotm(coastlat,coastlon,'k')
hold off
tightmap
framem
gridm
Just un-comment the line containing contourfm and see if that works.
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