Op zo 8 mrt. 2020 om 11:46 schreef We Ka <[email protected]>:

>
> Note that the attached truck_mod.xml still has the default heuristic
>> coefficient (heuristicCoefficient="1.0")
>>
>
> I don't know what this means, what (dis)advantage it will bring and if I
> should change it to any thing else. If you could tell me in one or two
> sentences, I'd be thankful.
>
>
Sorry, but I can't explain this in  2 sentences. a heuristic coefficient =1
it theoretically (!) the best but by far the slowest (and used by OsmAnd by
default). "Real world" values are somewhere between 1.2 < hc < 1.6. In the
real world a value between 1.3 and 1.5 is optimal (I think).
See the posts in this thread:
https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/osmand/EeVN_6i1UaI/QmCpwSk2CwAJ

If you only want the specifics, start with my post of 5 March and ending
with my post on 6 March with the 2 xml files attached. And do not only read
my posts but also those of Arndt (creator of Brouter) and of Florian. These
contain really important info.

Harry

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