2. Read data and code in NCI

[yuhang559]

Some commands I used every day :)

• Require the compute time from NCI:

  qsub -X -I -l walltime=02:30:00 -l mem=68Gb -P jk72 -l software=matlab_utas -l storage=scratch/jk72+gdata/jk72+gdata/cj50

walltime: it runs 2hs and 30mins

mem: require 68GB

software: I use the UTAS Matlab licence.

storage: The data files you can visit and read data. This requires getting approval from the group leaders through the NCI website.

• After knowing how to submit a job to the supercomputer, it might be good to get the same coding experience that you do on your local computer. I used to code on my local computer and then upload the scripts to my home folder.

the meaning of the file: like where to check the monthly mean data

[yuhang559]

How to change the km to lat/lon in Matlab? Take the BedMachine data as an example: download the BedMachine and Antarctic Mapping Tools.

x=ncread('D:\validate\BedMachineAntarctica_2020-07-15_v02.nc','x'); y=ncread('D:\validate\BedMachineAntarctica_2020-07-15_v02.nc','y'); bed=ncread('D:\validate\BedMachineAntarctica_2020-07-15_v02.nc','bed'); x = double(x); y = double(y); [lat,lon] = ps2ll(x,y); [Z,Lat,Lon] = bedmachine_data('bed',[-71 -51],[90 114],'geo'); %%% draw the figure pcolor(Lon, Lat, Z); shading flat; colorbar axis([90 114 -67 -60]) xlabel('Longitude'); ylabel('Latitude'); colormap('jet') caxis([-4500 0]); title('BedMachine Antarctica')

[yuhang559]

momKE and velocity