
#
# Position filter -  Since very small distances are essentialy a duplicate 
# position filter, we can test very similarly to the duplicate filter.
#
rm -f ${TMPDIR}/filterpos.csv1 ${TMPDIR}/filterpos.csv2
gpsbabel -i geo -f ${REFERENCE}/geocaching.loc -o csv -F ${TMPDIR}/filterpos.csv1
gpsbabel -i geo -f ${REFERENCE}/geocaching.loc -f ${REFERENCE}/geocaching.loc -x position,distance=5ft \
		-o csv -F ${TMPDIR}/filterpos.csv2
sort_and_compare ${TMPDIR}/filterpos.csv1 ${TMPDIR}/filterpos.csv2

# check a track that loops back with a return leg adjacent to an outgoing leg.
gpsbabel -i gpx -f ${REFERENCE}/track/position_track.gpx -x position,distance=12m -o gpx -F ${TMPDIR}/position_track_filtered.gpx
compare ${REFERENCE}/track/position_track_filtered.gpx ${TMPDIR}/position_track_filtered.gpx
