This command line reads track.gpx and inserts points wherever two adjacent
trackpoints are more than 10 seconds apart:
</para>
-<screen format="linespecific">gpsbabel -i gpx -f track.gpx -x interpolate,time=10 -o gpx -f newtrack.gpx</screen>
+<screen format="linespecific">gpsbabel -i gpx -f track.gpx -x interpolate,time=10 -o gpx -F newtrack.gpx</screen>
<para>
This command reads track.gpx and inserts points wherever two adjacent
trackpoints are more than 15 kilometers apart:
</para>
-<screen format="linespecific">gpsbabel -i gpx -f track.gpx -x interpolate,distance=15k -o gpx -f newtrack.gpx</screen>
+<screen format="linespecific">gpsbabel -i gpx -f track.gpx -x interpolate,distance=15k -o gpx -F newtrack.gpx</screen>
<para>
This command reads track.gpx and inserts points wherever two adjacent
trackpoints are more than 2 miles apart:
</para>
-<screen format="linespecific">gpsbabel -i gpx -f track.gpx -x interpolate,distance=2m -o gpx -f newtrack.gpx</screen>
+<screen format="linespecific">gpsbabel -i gpx -f track.gpx -x interpolate,distance=2m -o gpx -F newtrack.gpx</screen>
</example>
example, the duplicate filter is used to remove a list of waypoints to be
ignored from a larger collection of waypoints:
</para>
-<screen format="linespecific">gpsbabel -i gpx -f waypoints.gpx -i csv -f to_ignore.csv -x duplicate,shortname,all -o gpx -f filtered.gpx</screen>
+<screen format="linespecific">gpsbabel -i gpx -f waypoints.gpx -i csv -f to_ignore.csv -x duplicate,shortname,all -o gpx -F filtered.gpx</screen>
</example>