Hi @TR42 usage of Roadbook section in DMD2 app is easy:
If you are running the DMD2 app on a DMD device, you can start immediately. If you are running the DMD2 app on a mobile phone, then you need to purchase an “add on” license first.
In the roadbook section, there is at bottom line a “folder” icon, to search and open a roadbook file, which is locally stored on the device (or in GoogleDrive); such files are in pdf format – not in gpx format!
Nowadays, rallye event organizations, will handover (close to start) a roadbook in classic style (a paper roll) – as well as in modernstyle (a pdf file). You need to load this file onto your device.
You can use DMD2 app on a mobile device for navigation, driving a track from map opverlay, etc. – but for roadbook, the screen is to small. Also to operate it while riding, it’s needed to have a remote controller mounted on handle bar of your bike. It’s really not easy to read and operate a touch screen while riding offroad at bumpy sections!
To create your own roadbook p.e. for training (which is really needed!), you can use dedicated apps like https://www.rallynavigator.com. By this, you can draw a track line on a map (as usually) – the app produces an output with all the needed lines and distances, where to turn right, or left, etc. – as pdf file. The app offers also a range of icons (called tulips), you need to illustrate in each line the situation, the riders must find in nature while riding. I’m not sure, if the apps will be able to produce the output in same way if you will start with an imported gpx file of a elswere created track.
Because it’s not that easy in the beginnen – to ride by a roadbook. Imagine, at expected distance according to roadbook, you will not find in nature a situation like description in roadbook. Then you need to drive back to the last well known point. You need to adjust your tripmaster (odo meter) to the correct value for this point. Then you can start again…
So, I suggest to search for roadbook training events at your home base. It’s really fun, to learn and train in a group – with out competition atmosphere of a real rallye.
Kind regards – have fun
Rainer
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