Memory-Map Navigator overlay files (.mmo) (mmo)
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## Memory-Map Navigator overlay files (.mmo) (mmo)

This format can...

- read and write waypoints

- read and write tracks

- read and write routes

This format has the following options: locked, visible .

The 'mmo' format provides support for binary .mmo files used by the Memory-Map Navigator software.

Our module was reverse engineered from a couple of .mmo files found in the www. The results of the writing code have been tested with a current Memory-Map Navigator trial ('Viewer') release.

Because of different file versions and sometimes slightly different file structure we cannot ensure, that every .mmo file is loadable at this time. If you have one, which causes errors, please provide it [mailto:gpsbabel-misc@lists.sourceforge.net].

More information can be found at the Memory-Map site.

### `locked` option

Write items 'locked' [default no].

By default GPSBabel creates only 'un-locked' items.

Sample command to write an mmo file with 'locked' items:

`gpsbabel -i gpx -f in.gpx -o mmo,locked=y -F out.mmo`

### `visible` option

Write items 'visible' [default yes].

This option can be useful, if you want to convert a big file with a lot of entries. By default GPSBabel creates only 'visible' items.

Sample command to write an mmo file with 'in-vsisible' items:

`gpsbabel -i gpx -f in.gpx -o mmo,visible=n -F out.mmo`

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