Plot netcdf variable over south pole

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David du Preez
David du Preez 2017-8-30
评论： David du Preez 2017-8-30
I have a netcdf file. https://drive.google.com/file/d/0B0wQbicZOF7xa053WUJ5Q19YWEU/view
I want to plot the tco variable of a specific day over the southern hemisphere between the latitudes -90 to -10 using a stereographic projection. I want to include the coastlines in the plot as well.
Is it possible to do this and how?

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回答（1 个）

KSSV
KSSV 2017-8-30
load the variable from ncfile using ncread and plot your data...it is a straight forward task.
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KSSV
KSSV 2017-8-30
MAke the respective spatial data...I mean read lon and lat also and call contour
David du Preez
David du Preez 2017-8-30
This is what I have:
ncid1=netcdf.open('NIWA-BSCombinedOzoneV3.2_2007_Unpatched.nc','NC_NOWRITE')
tco07=netcdf.getVar(ncid1,3,[0 0 0],[288 80 1]);
lon1=netcdf.getVar(ncid1,1,0,288);
lat1=netcdf.getVar(ncid1,2,0,80);
tco07=tco07.';
contour(lon1,lat1,tco07)
hold on
load coast
axesm('stereo','Origin',[-89.5 -120],'MapLatLimit',[-89.5 -10])
It does not change the projection or show the coastlines.

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