Magellan DirectRoute 3.0 Manual de usuario descargar pdf (Pagina 101)

Da-

Fil-

ters

With the name option you can filter out a track by title.

The comparison is always non-case-sensitive. Wildcards are allowed.

start option

Use only track points after this timestamp.

This option is used along with the stop to discard trackpoints that were recorded outside of a specific

period of time. This option specifies the beginning of the time period.

If this option is not specified, the time period is assumed to begin at the dawn of time or January 1, 1970,

whichever was later. The time for this option is expressed in UTC.

The value of this option must be in the form of YYYYMMDDHHMMSS, but it is not necessary to specify

the smaller time units if they are not needed. That is, if you only care about points logged between 10 AM

and 6 PM on a given date, you need not specify the minutes or seconds.

Example 4.8. Extracting a period of time with the track filter

To get only the parts of a track that were mapped on 20 July 2005 between 10 AM and 6 PM, use this

command line:

gpsbabel -t -i gpx -f in.gpx -x track,start=2005072010,stop=2005072018

-o gpx -F out.gpx

stop option

Use only track points before this timestamp.

This option is used in conjunction with the start option to discard all trackpoints outside of a given

period of time. This option defines the end of the time period.

If this option is not specified, the time period is assumed to end at the end of civilization as we know it or

the year 2038, whichever comes first. The time for this option is expressed in UTC.

See the start option for the format of this value and an example of usage.

title option

Basic title for new track(s).

This option specifies a title for tracks generated by the track filter. By default, the title of the new track is

composed of the start time of the track appended to this value.

If this value contains a percent (%) character, it is treated as a format string for the POSIX strftime function,

allowing custom time-based track names.

fix option

Synthesize GPS fixes (PPS, DGPS, 3D, 2D, NONE).

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Magellan DirectRoute 3.0 Manual de usuario Pagina 101