Magellan DirectRoute 3.0 Manual de usuario descargar pdf (Pagina 96)

Da-

Fil-

ters

When this option is specified, the usual sense of the arc filter is reversed. That is, points that are closer

than distance are discarded while points that are further away are kept.

points option

Use distance from vertices not lines.

When this option is specified, only points that are within the specified distance of one of the vertices of

the arc are kept. This differs from the normal mode of operation in that in the normal mode, points that

are close to the lines between points are also kept.

This option makes the arc filter act like a multi-point version of the radius filter.

Include Only Points Within Radius (radius)

This filter includes or excludes waypoints based on their proximity to a central point. All waypoints more

than the specified distance from the specified point will be removed from the dataset.

By default, all remaining points are sorted so that points closer to the center appear earlier in the output file.

Example 4.4. Using the radius filter to find points close to a given point

This example command line would include only points within 1 1/2 miles of N30.000 W 90.000

gpsbabel -i geo -f 1.loc -x radius,distance=1.5M,lat=30.0,lon=-90.0 -o

mapsend -F 2.wpt

lat option

Latitude for center point (D.DDDDD).

This option is required.

This option specifies the latitude of the central point in decimal degrees. South latitudes should be ex-

pressed as a negative number. Valid values for this option are from -90 to 90.

lon option

Longitude for center point (D.DDDDD).

This option is required.

This option specifies the longitude of the central point in decimal degrees. West longitudes should be

expressed as a negative number. Valid values for this option are from -180 to 180.

distance option

Maximum distance from center.

This option is required.

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Magellan DirectRoute 3.0 Manual de usuario Pagina 96