Created
January 9, 2018 21:10
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Subsetting a ROMS grid/output file
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#!/bin/bash | |
# interior rho points + 1 point on each side | |
imin=135 | |
imax=155 | |
jmin=375 | |
jmax=380 | |
iminv=$(( $imin )) | |
imaxv=$(( $imax )) | |
jminv=$(( $jmin )) | |
jmaxv=$(( $jmax -1 )) | |
iminu=$(( $imin )) | |
imaxu=$(( $imax -1 )) | |
jminu=$(( $jmin )) | |
jmaxu=$(( $jmax )) | |
iminp=$(( $imin + 1 )) | |
imaxp=$(( $imax )) | |
jminp=$(( $jmin + 1 )) | |
jmaxp=$(( $jmax )) | |
iminv=$(( $imin )) | |
imaxv=$(( $imax + 1 )) | |
jminv=$(( $jmin )) | |
jmaxv=$(( $jmax + 1 )) | |
ncks -d xi_rho,$imin,$imax -d eta_rho,$jmin,$jmax \ | |
-d xi_v,$iminv,$imaxv -d eta_v,$jminv,$jmaxv \ | |
-d xi_u,$iminu,$imaxu -d eta_u,$jminu,$jmaxu \ | |
-d xi_psi,$iminp,$imaxp -d eta_psi,$jminp,$jmaxp \ | |
# -d xi_vert,$iminv,$imaxv -d eta_vert,$jminv,$jmaxv \ # if you have vertices | |
roms_file.nc -o smaller_roms_file.nc | |
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