[mkgmap-dev] [PATCH v2] - yet more turn heading adjustment fixes

Sun Feb 28 20:24:55 GMT 2010

Mark Burton escribió:
> Hi Carlos,
>
>   
>>> Carlos, this still gives you an extra "turn left onto Calle Osa
>>> Mayor" and I know what's happening there but can't fix it 
>>>       
>> Will it break other things?
>>     
>
> It's a problem - if I change it so that it doesn't give you that extra
> turn left, then when the route is reversed, it won't tell you to turn
> right from Calle Osa Mayor (rather than continue on round the left
> bend). So is it worse to have the turn left direction when, in fact,
> the road carries straight on, or is it worse for the turn right
> direction to be missing when coming the other way?
>   
Calle Osa Mayor is oneway, so no reverse route is possible.
> Actually, I don't yet totally understand why the turn left is happening
> so it could possibly be that I can make it do the correct thing when
> routing in either direction. More work required..
>
>   
>>> - how
>>> about the other problems you were seeing? better/worse?
>>>   
>>>       
>> Better, "keep right at Avenida de las Delicias" has changed to "turn
>> right..." (step 3 of my explanation). Turn right at 4 is still happening.
>>     
>>> --------
>>>       
>
> Well, better is better (if not perfect)!
>
> Given that it was broken, I think I should commit some/all of this
> patch so that at least it's less broken than it was.
>
> Thanks for the feedback.
>   
Yes, I also think some improvement is better than nothing. I wonder if
nobody else have seen these kind of anomalous turn instructions. More
cases could help guessing what is happening.