[mkgmap-dev] Problem in AngleFixer?

Sat Aug 10 09:01:10 BST 2024

Am 2024-08-10 09:39, schrieb Thorsten Kukuk:

> To get that right: Your patch fixes one half of my first example: if 
> you let Garmin calculate the route, it will now use the junction and 
> will not use u-turns and detours to avoid it. So your patch is an 
> improvement.
> What it does not fix is the wrong navigation instruction: it tells you 
> to turn right if you need to go straight forward, and if you need to 
> turn left it doesn't tell you anything. And this shouldn't have 
> anything to do with road speed or surface.

Maybe pictures explain it better:

1. routing-no-patch.png is vanilla mkgmap r4921, Garmin makes two 
forbidden u-turns and a detour and avoids the junction.
2. routing-with-patch.png is mkgrmap r4921 with your patch, Garmin uses 
the junction.
3. navigation-instruction-turn-right.png: at the junction with a route 
straight forward Garmin Software and Devices tell you to turn right in 
navigation mode.

I hope this explains it better.

Regards,
Thorsten

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