Accounted for floats hitting bottom and land

Signed-off-by: deepak <dpak.cherian@gmail.com>
relative dispersion calculation is not more efficient.
Fixed angle writing bug in roms_create
made ltrans_create & eddytrackres more useful.

Signed-off-by: deepak <dpak.cherian@gmail.com>
added renato's stuff

Signed-off-by: deepak <dpak.cherian@gmail.com>
fixed PT OBC writing.

Signed-off-by: deepak <dpak.cherian@gmail.com>
Castelao dataset processing scripts.

Signed-off-by: deepak <dpak.cherian@gmail.com>