It has colour display, supports loadable maps and runs on 2 AA elements. Garmin eTrex Vista HCx is a handheld GPS device. There is a OpenSeaMap-vector chart, covering whole Europe. Vista HCx supports lowercase letters in horizontal text (city names etc), but not for rotated symbols (rendered street names). Note that map name ( -mapname option) should not exceed 8 characters, otherwise the map will be silently ignored. Maps can be created with mkgmap and uploaded to the SD card.

to get the OpenStreetMap maps on the device Note that this only downloads current log, not the saved ones. Make sure you have required permissions and use correct USB device. Gpsbabel -t -i garmin -f /dev/ttyUSB0 -o gpx -F garmin_downloaded.gpx Connect the device with a USB cable and issue: To transfer trace from the built-in memory, gpsbabel can be used. With 1 second sampling built-in memory fills up fairly quickly. In reality this is not so short - 10 000 data points is about 350km of cycling with 'most often' sampling, but see above for trace recording options. Transferring trace from the built-in memory Once 255 files are written the device will silently stop logging to the card. Note that the files are saved to the root card directory and there appears to be a limit of 255 files and directories. Gpsbabel -i gpx -f infile.gpx -x position,distance=2m -o gpx -F outfile.gpx To automatically remove all points that are closer than 2 metres to the previous point: If logging is set to one second, clean up the excess and trash points before uploading the traces. It is thus suggested to choose between '0.01 km' and '1 second' modes. '1 second' sampling provides the best results, but, unfortunately, also lots of excess data, especially when not moving. '0.01 km' mode, while mostly producing adequate results, falls a bit short on turns sometimes.

Here is a comparison of logging at 'Auto/Most often', 1 second and 0.01 km options:Īs can be seen, even at 'Most often' automatic mode is not satisfactory. This is quite unsatisfactory for OpenStreetMap traces. To do so, press menu button from the map view, Setup map, and in the leftmost page set 'Lock On Road' to 'Off'.īy default, sampling rate is set to 'Auto' and 'Normal'. IMPORTANT: deactivate the 'Lock on road' feature before recording tracks. Saved tracklogs cannot be uploaded to OpenStreetMap (time information is removed from them). If recording to the microSD card, traces are written in gpx format, which is suitable for OpenStreetMap usage.ĭo not use the device 'Save' feature for tracklogs.

This device has two options for trace recording - internal memory and microSD card. OSM specifics Recording traces General suggestions 2.1.4 GPS SW Version (GPS chipset software version).1.1.3 Transferring trace from the built-in memory.

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