[mkgmap-dev] Commit r4715: rework of options for reverse merge

Sat May 15 22:57:51 BST 2021

Hi Gerd

Probably after:

<finalize>

oneway=* {set mkgmap:has-direction=no}

Ticker

On Sat, 2021-05-15 at 18:18 +0000, Gerd Petermann wrote:
> Hi Ticker,
> 
> that means that styles which don't render direction have to be
> changed to get the smallest IMG files. Where would you add the
> mkgmap:has-direction=no in the default style?
> 
> Gerd
> 
> ________________________________________
> Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> von Ticker Berkin <rwb-mkgmap at jagit.co.uk>
> Gesendet: Samstag, 15. Mai 2021 20:08
> An: Development list for mkgmap
> Betreff: Re: [mkgmap-dev] Commit r4715: rework of options for reverse
> merge
> 
> Hi
> 
> Probably the Garmin meaning has changed over time and it is now a
> display characteristic on some devices.
> 
> oneway should continue to set it. {set mkgmap:has-direction=no}
> should
> end up with it not set (but correct routing).
> 
> My eTrex has always shown this (looking back at an old map). I'd just
> never hovered over a one-way road and noticed. Maybe I'd seen
> something
> like "M3 (N)" and just assumed the carriageway was named as such.
> 
> It is a bit of a rubbish way of showing one-way compared with putting
> an arrow on the road.
> 
> Ticker
> 
> On Sat, 2021-05-15 at 17:24 +0000, Gerd Petermann wrote:
> > Hi all,
> > 
> > what about routable lines with oneway? Should this force the
> > direction flag in IMG format? I found no oneway road in Garmin maps
> > where the dir-flag was not set, but Tickers finding reg. the Etrex
> > HCx: showing compass directions for those roads seem to say that
> > there is no clear rule about the meaning of this flag.
> > 
> > Gerd
> > 
> > ________________________________________
> > Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> > von Gerd Petermann <gpetermann_muenchen at hotmail.com>
> > Gesendet: Samstag, 15. Mai 2021 18:30
> > An: Development list for mkgmap
> > Betreff: Re: [mkgmap-dev] Commit r4715: rework of options for
> > reverse
> > merge
> > 
> > Hi all,
> > 
> > OK, I'll try to change the code so that oneway=* has no effect on
> > the
> > dir-flag for non-routable lines. It's a bit tricky because of the
> > overlays rule file.
> > At least the OFM style still uses this and I forgot what it is good
> > for.
> > 
> > Gerd
> > 
> > ________________________________________
> > Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im Auftrag
> > von Ticker Berkin <rwb-mkgmap at jagit.co.uk>
> > Gesendet: Samstag, 15. Mai 2021 17:38
> > An: Development list for mkgmap
> > Betreff: Re: [mkgmap-dev] Commit r4715: rework of options for
> > reverse
> > merge
> > 
> > I agree. The style can test "oneway" and set mkgmap:has-direction
> > if
> > appropriate for non-roads.
> > 
> > Ticker
> > 
> > On Sat, 2021-05-15 at 14:53 +0000, Gerd Petermann wrote:
> > > I think the important question is if the oneway tag should be
> > > evaluated for non-routable lines.
> > > Felix already said no, I agree with that.
> > > 
> > > Gerd
> > > 
> > > ________________________________________
> > > Von: mkgmap-dev <mkgmap-dev-bounces at lists.mkgmap.org.uk> im
> > > Auftrag
> > > von Ticker Berkin <rwb-mkgmap at jagit.co.uk>
> > > Gesendet: Samstag, 15. Mai 2021 16:04
> > > An: Development list for mkgmap
> > > Betreff: Re: [mkgmap-dev] Commit r4715: rework of options for
> > > reverse
> > > merge
> > > 
> > > Assuming that the output device shows the direction on lines with
> > > direction and doesn't on lines without:
> > > 
> > > Another example is, say, [intermittent] water using type [0x26]
> > > 0x1f.
> > > stream/river will have a direction and canal/ditch won't.
> > > 
> > > There will be others, under the control of the Style/TYP, so I
> > > don't
> > > think mkgmap should check/warn of this situation.
> > > 
> > > Ticker
> > > 
> > > On Sat, 2021-05-15 at 12:59 +0000, Gerd Petermann wrote:
> > > > I only thought about non-routable lines and LineMerger. For
> > > > roads
> > > > it
> > > > is normal to have different flags because of the oneway tag.
> > > > Maybe I make too many assumptions about the possible usage of
> > > > types...
> > > > 
> > > > Gerd
> > > 
> > > _______________________________________________
> > > mkgmap-dev mailing list
> > > mkgmap-dev at lists.mkgmap.org.uk
> > > https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
> > > _______________________________________________
> > > mkgmap-dev mailing list
> > > mkgmap-dev at lists.mkgmap.org.uk
> > > https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
> > _______________________________________________
> > mkgmap-dev mailing list
> > mkgmap-dev at lists.mkgmap.org.uk
> > https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
> > _______________________________________________
> > mkgmap-dev mailing list
> > mkgmap-dev at lists.mkgmap.org.uk
> > https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
> > _______________________________________________
> > mkgmap-dev mailing list
> > mkgmap-dev at lists.mkgmap.org.uk
> > https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
> _______________________________________________
> mkgmap-dev mailing list
> mkgmap-dev at lists.mkgmap.org.uk
> https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev
> _______________________________________________
> mkgmap-dev mailing list
> mkgmap-dev at lists.mkgmap.org.uk
> https://www.mkgmap.org.uk/mailman/listinfo/mkgmap-dev