Note: This page describes the development version of GPSBabel. It may substantially differ from the latest released GPSBabel.

Geogrid-Viewer binary overlay file (.ovl) (ggv_bin)

This format can...

  • read tracks

Binary overlay files (.ovl) used by Geogrid™-Viewer.

Geogrid-Viewer is part of several Top50 map products available in Germany and Austria.

This module supports binary overlay file format version 2.0, 3.0 and 4.0. Those files can be identified by looking at the first bytes:

hexdump -C example.ovl | head -n 2
00000000  44 4f 4d 47 56 43 52 44  20 4f 76 6c 66 69 6c 65  |DOMGVCRD Ovlfile|
00000010  20 56 33 2e 30 3a 00 00  00 08 00 00 00 1e 00 00  | V3.0:..........|

The current file version 5.0 is not supported.