Geogrid-Viewer ascii overlay file (.ovl) (ggv_ovl)
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## Geogrid-Viewer ascii overlay file (.ovl) (ggv_ovl)

This format can...

- read and write waypoints

- read and write tracks

- read and write routes

Overlay files used by Geogrid™-Viewer has to be in ASCII format. Make sure you save the files correctly.

Lines or polygons within the Geogrid™-Viewer (type 3 and 4) will be converted to tracks, except they are grouped. In this case GPSBabel creates routes.

During the creation of an overlay file, a circle will be added to each position of a waypoint or a route.

Sample layout of the ASCII overlay file

        [Symbol <number # >]
        Typ=<1=picture,2=Text, 3=line, 4=area, 5=rectangle, 6=circle, 7=triangle>
        Group=<1=no group, number > 1=group number>
        Col=<number of the line color>
        Zoom=<1=no zoom, 2=zoom>
        Size=<size can be between 101 and 118>
        Art=<style>
        Punkte=<number of XKoord>
        XKoord0=<decimal X coordinate (Longitude) of the waypoint>
        YKoord0=<decimal Y coordinate (Latitude) of the waypoint>
        [MapLage]
        MapName=Top. Karte 1:50.000 Nieders.
        DimmFc=100
        ZoomFc=<zoom level of the map>
        CenterLat=<map center in decimal Y coordinates>
        CenterLong=<map center in decimal X coordinates of >
        RefOn=0

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