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Add geographic data to pcolor plot

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Louise Wilson
Louise Wilson 2022-3-31
编辑： Louise Wilson 2022-3-31
Can anyone advise me as to how I can add geographic information to a pcolor plot?
Each of the variables I have is a 12500x800 matrix (these variables are too large to attach here).
I have plotted using the following code:
h=pcolor(new_lon,new_lat,new_maxdata);
set(h,'EdgeColor','none');
colorbar
caxis([0 100])
hold on;
xlabel('Longitude')
ylabel('Latitude')
set(gca,'tickdir','out','layer','top','fontname',...
'arial','fontsize',12);
I'd like to add land for the region, just to at least show where the land begins, not necessarily super detailed. I considered geoscatter() but it doesn't work with matrices. Are there any other options? Maybe I have to add a separate plot on top with land data?

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KSSV
KSSV 2022-3-31
Ran in:
hold on
load coast.mat
plot(long,lat,'k')
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KSSV
KSSV 2022-3-31
From the below link, try downloading your required domain shape file and plot the data.
https://gadm.org/download_country.html
Louise Wilson
Louise Wilson 2022-3-31
Thanks. I actually have a shapefile I could use already! Got it working now :-)

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