SWOT-JPL/swotsimulator

Fast-sampling orbit at the wrong place in New Caledonia region ?

Closed this issue · 3 comments

serazing commented

I have tested the fast sampling orbit from the swot simulator and it does not seem to sample the same region as I was expected. In the following, I compare the output from the SWOT simulator and the orbit from the KML file available on AVISO: both swaths are inconsistent !

Do you have any idea why I get this result ?

SSH output from NEMO 1/12°

Contours are the SSH field from the model. The black curves denote the fast-sampling orbit, plotted from the KML file available on AVISO.
ssh_nc

SSH output from the SWOT simulator using the fast sampling orbit

Here is the result of the SWOT simulator performed on the previous snapshot.
swot_nc

lgaultier commented

Thanks for pointing that out, There has been an update of the fast sampling orbit. It will be updated today. I willl close the ticket when it is done and tested
Lucile

jinbow commented

Thanks to Guillaume for noting this. Lucile, is the data in the simulator here or KML outdated?

lgaultier commented

Two new orbit files have been added, you should now use ephem_calval_june2015_ell.txt as the orbit file.
Modification has been tested in branch feature/update_orbit and merged into branches develop and master. Let me know if you have any issue with the modification
Lucile