[mkgmap-dev] Commit 4710

Fri May 14 09:38:39 BST 2021

I never tested Mapsource, only Basecamp. Routing in Basecamp is much more
similar to modern devices.
But I just noticed that by accident I had faster time activated, and not
shorter distance. On shorter distance the differences pop up much less
often.

Here is a route that also routes different with shorter distance.

On Fri, 14 May 2021 at 16:31, Gerd Petermann <
gpetermann_muenchen at hotmail.com> wrote:

> Hi Felix,
>
> I cannot reproduce your results. For me, both maps seem to give the same
> routing result in Mapsource: a route that is much longer than yours (146 km
> instead of 129) .
> Do you use non-standard driving-speeds?
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag von
> Felix Hartmann <extremecarver at gmail.com>
> Gesendet: Donnerstag, 13. Mai 2021 17:52
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] Commit 4710
>
> Yes I am pretty sure. Because I just recreated the map and it is the same
> again.  https://openmtbmap.org/mtbaustria_4709.exe vs
> https://openmtbmap.org/mtbaustria_4711.exe. (same FID/PID need to change
> to another to have both in Basecamp) in windows format soon.
> Here is one route that is different. Use with bicycle profile without any
> restrictions / avoidances set and shorter distance.
>
> On Thu, 13 May 2021 at 21:14, Gerd Petermann <
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com>>
> wrote:
> Hi all,
>
> I fear I've totally forgotten the case of extended line types. I think the
> current code doesn't write the direction flag for them and I don't know if
> they can have a direction.
>
> Gerd
>
> ________________________________________
> Von: Gerd Petermann <gpetermann_muenchen at hotmail.com<mailto:
> gpetermann_muenchen at hotmail.com>>
> Gesendet: Donnerstag, 13. Mai 2021 14:33
> An: Development list for mkgmap
> Betreff: AW: [mkgmap-dev] Commit 4710
>
> Hi Felix,
>
> are you sure that you tested the two versions with exactly the same input?
> (osm data, style, options)?
> If the changes in r4710 or r4711 really cause differences in routing
> quality there must be an error, either in my understanding or in the code.
> Maybe you can post links to two tiles where routing differs?
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>> im Auftrag von Felix Hartmann <
> extremecarver at gmail.com<mailto:extremecarver at gmail.com>>
> Gesendet: Donnerstag, 13. Mai 2021 14:24
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] Commit 4710
>
> Yes, 4711 on branch vs best version 4709 on branch. 4709 was best so far.
>
> On Thu, 13 May 2021, 19:37 Gerd Petermann <gpetermann_muenchen at hotmail.com
> <mailto:gpetermann_muenchen at hotmail.com><mailto:
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com>>>
> wrote:
> Hi Felix,
>
> you totally lost me. There is no version r4713 in the branch.
> It seems you report the version number that svn shows after an svn update?
> That's not relevant, you must use svn info to find out the version of your
> branch.
> svn update always shows the latest commit, no matter in what branch it was
> made.
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>>> im Auftrag von Felix Hartmann <
> extremecarver at gmail.com<mailto:extremecarver at gmail.com><mailto:
> extremecarver at gmail.com<mailto:extremecarver at gmail.com>>>
> Gesendet: Donnerstag, 13. Mai 2021 13:16
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] Commit 4710
>
> I just looked it up. It must have been 4709 with best routing for me
> (unlikely but maybe it could have been 4708), while 4711 is a bit worse
> (but better than before the first changes that made an impact on routing).
> Both from low-res-opt branch.
> I haven't tried trunk for quite a while.
>
> On Thu, 13 May 2021 at 17:42, Gerd Petermann <
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com
> ><mailto:gpetermann_muenchen at hotmail.com<mailto:
> gpetermann_muenchen at hotmail.com>><mailto:gpetermann_muenchen at hotmail.com
> <mailto:gpetermann_muenchen at hotmail.com><mailto:
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com>>>>
> wrote:
> Hi Felix,
>
> please tell me exactly which versions you tested reg. routing.
> Note that the branches do not yet contain the latest changes in trunk.
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>>>> im Auftrag von Felix Hartmann <
> extremecarver at gmail.com<mailto:extremecarver at gmail.com><mailto:
> extremecarver at gmail.com<mailto:extremecarver at gmail.com>><mailto:
> extremecarver at gmail.com<mailto:extremecarver at gmail.com><mailto:
> extremecarver at gmail.com<mailto:extremecarver at gmail.com>>>>
> Gesendet: Donnerstag, 13. Mai 2021 11:28
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] Commit 4710
>
> Well I just got to test routing - and the current version is a degradation
> vs the intermediate version from yesterday for my maps. The current version
> routes better than before, but worse than the intermediate version.
>
> As for the list - it is a bit more complicated inside the style but
> doable. I really do not know what happens to those ways where I first set a
> direction for an downhill only way with higher priority, then remove the
> direction for a way that can be used in both directions at lower priority.
> Maybe sometimes also doing this the other way around. A list with type and
> max resolution used would be much easier for writing your style. Instead of
> adding 60-100 lines with the filter it would be done with 10 or so.  Canals
> should not have a direction, they do not flow. Sidewalk=left, right is the
> same as for the various cylceway,cycletrack options - those are really not
> reversible. The underlying way could be reversed however - and I guess they
> are only used for level 0.
> Oneway arrows for streets are maybe used from resoltuion 24-22 or 24 only.
> Cliffs are also only high resolution. For me rivers are the only thing
> which really go into lower resolutions.
>
> On Thu, 13 May 2021 at 16:03, Gerd Petermann <
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com
> ><mailto:gpetermann_muenchen at hotmail.com<mailto:
> gpetermann_muenchen at hotmail.com>><mailto:gpetermann_muenchen at hotmail.com
> <mailto:gpetermann_muenchen at hotmail.com><mailto:
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com
> >>><mailto:gpetermann_muenchen at hotmail.com<mailto:
> gpetermann_muenchen at hotmail.com><mailto:gpetermann_muenchen at hotmail.com
> <mailto:gpetermann_muenchen at hotmail.com>><mailto:
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com
> ><mailto:gpetermann_muenchen at hotmail.com<mailto:
> gpetermann_muenchen at hotmail.com>>>>> wrote:
> Hi Felix,
>
> FYI:
> I just found out that the current code to detect if the style sets
> mkgmap:has-direction=true doesn't work. Seems I didn't test this :(
> The change in r4710 changed only the LineMerger in the branch. Even with
> r4711 LineMerger only merges roads in maps without NET, at least that's
> what's intended.
>
> My understanding is that r4703 changed routing, possibly also r4704. The
> merge from trunk also changed routing in the branches (r4706 and r4707).
>
> I'm now fixing the detection code, next I'm trying to figure out how to
> configure the details reg. direction handling.
>
> Gerd
>
>
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>>><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>>>>> im Auftrag von Felix Hartmann
> <extremecarver at gmail.com<mailto:extremecarver at gmail.com><mailto:
> extremecarver at gmail.com<mailto:extremecarver at gmail.com>><mailto:
> extremecarver at gmail.com<mailto:extremecarver at gmail.com><mailto:
> extremecarver at g
>  mail.com<mailto:extremecarver at gmail.com>>><mailto:extremecarver at gmail.com
> <mailto:extremecarver at gmail.com><mailto:extremecarver at gmail.com<mailto:
> extremecarver at gmail.com>><mailto:extremecarver at gmail.com<mailto:
> extremecarver at gmail.com><mailto:extremecarver at gmail.com<mailto:
> extremecarver at gmail.com>>>>>
> Gesendet: Donnerstag, 13. Mai 2021 09:52
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] Commit 4710
>
> I kinda feel by default even oneway=yes should only mean do not change
> direction for level 0. If someone uses a style to have arrows showing the
> oneway, then only for that arrow line (defined by tag) the direction cannot
> be reversed. Yes the problem of DP filter rests - I feel this does not
> matter for resolution 24 and even 23, but if you display arrows for
> resolution 22 or higher then a tag should not merge the underlying lines.
> Besides rivers (then also many styles do not have an arrow for rivers, or
> you could decide to show the arrows only at resolution 24 and 23) few lines
> will be objection dependent.
>
> I will try out now if there is any change in routing - but I will only
> write again if there unexpectedly is. The sharp angles changed routing for
> the better for my maps by quite a lot. So maybe with now some less lines
> being merged, there actually will be a little change for the worse back to
> the old behavior. Not sure..
>
> On Thu, 13 May 2021 at 14:07, Gerd Petermann <
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com
> ><mailto:gpetermann_muenchen at hotmail.com<mailto:
> gpetermann_muenchen at hotmail.com>><mailto:gpetermann_muenchen at hotmail.com
> <mailto:gpetermann_muenchen at hotmail.com><mailto:
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com
> >>><mailto:gpetermann_muenchen at hotmail.com<mailto:
> gpetermann_muenchen at hotmail.com><mailto:gpetermann_muenchen at hotmail.com
> <mailto:gpetermann_muenchen at hotmail.com>><mailto:
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com
> ><mailto:gpetermann_muenchen at hotmail.com<mailto:
> gpetermann_muenchen at hotmail.com>>>><mailto:gpetermann_muenchen at hotmail.com
> <mailto:gpetermann_muenchen at hotmail.com><mailto:
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com
> >><mailto:gpetermann_muenchen at hotmail.com<mailto:
> gpetermann_muenchen at hotmail.com><mailto:gpetermann_muenchen at hotmail.com
> <mailto:gpetermann_muenchen at hotmail.com>>><m
>  ailto:gpetermann_muenchen at hotmail.com<mailto:
> gpetermann_muenchen at hotmail.com><mailto:gpetermann_muenchen at hotmail.com
> <mailto:gpetermann_muenchen at hotmail.com>><mailto:
> gpetermann_muenchen at hotmail.com<mailto:gpetermann_muenchen at hotmail.com
> ><mailto:gpetermann_muenchen at hotmail.com<mailto:
> gpetermann_muenchen at hotmail.com>>>>>> wrote:
> Hi Felix,
>
> yes, size increases if your style sets mkgmap:has-direction=true. I just
> want to make sure that the direction flag is treated correctly first.
> As already discussed we might introduce a new option or tag to tell mkgmap
> the min. level at which the direction has to be kept. You suggested to
> ignore direction at level > 0, I think it might depend on the style and
> TYP. I'll play with the OFM style to find out more.
>
> The change should not affect routing at all (none of the changes in the
> low-res-opt branch should).
>
> Gerd
>
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
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> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>>><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
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> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>>>><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mail
>  to:mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>>><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk><mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk<mailto:
> mkgmap-dev-bounces at lists.mkgmap.org.uk>>>>>> im Auftrag von Felix
> Hartmann <extremecarver at gmail.com<mailto:extremecarver at gmail.com><mailto:
> extremecarver at gmail.com<mailto:extremecarver at gmail.com>><mailto:
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> extremecarver at gmail.com<mailto:extremecarver at gmail.com>><mailto:
> extremecarver at g<mailto:extremecarver at g>
>  mail.com<http://mail.com><mailto:extremecarver at gmail.com<mailto:
> extremecarver at gmail.com>>>><mailto:extremecarver at gmail.com<mailto:
> extremecarver at gmail.com><mailto:extremecarver at gmail.com<mailto:
> extremecarver at gmail.com>><mailto:extremecarver at gmail.com<mailto:
> extremecarver at gmail.com><mailto:extremecarver at gmail.com<mailto:
> extremecarver at gmail.com>>><mailto:extremecarver at gmail.com<mailto:
> extremecarver at gmail.com><mailto:extremecarver at gmail.com<mailto:
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> extremecarver at gmail.com><mailto:extremecarver at gmail.com<mailto:
> extremecarver at gmail.com>>>>>>
> Gesendet: Donnerstag, 13. Mai 2021 02:59
> An: Development list for mkgmap
> Betreff: [mkgmap-dev] Commit 4710
>
> fix error in LineMergeFilter reg. lines with direction
> The line merger should not merge lines if one has the direction flag set
> and the other has not. Problem exists also in trunk.
>
>
> Hmm fixing this stopped all the nice size optimization. Map size got much
> bigger again.
> I did not find any place where this mattered. Routing was also not
> affected badly. Maybe I did not look good enough?
>
> I do not see why not to merge them. As long as it`s not the opposite it
> seems fine...
> Map size increase/decrease is around 1.5% with my style. So thats quite a
> big difference.
> --
> Felix Hartman - Openmtbmap.org & VeloMap.org
>
> _______________________________________________
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> >>><mailto:mkgmap-dev at lists.mkgmap.org.uk<mailto:
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>
> --
> Felix Hartman - Openmtbmap.org & VeloMap.org
>
> _______________________________________________
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> --
> Felix Hartman - Openmtbmap.org & VeloMap.org
>
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> --
> Felix Hartman - Openmtbmap.org & VeloMap.org
>
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> Felix Hartman - Openmtbmap.org & VeloMap.org
>
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-- 
Felix Hartman - Openmtbmap.org & VeloMap.org
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