Hi Gerd Yes, was thinking of a substitution filter (like highway-symbol), but wondering where to put all the prefix/suffix rules, so that the style would be general. Although it is more of a language issue than country, mkgmap, with bounds.zip, has an admin tag for the country. But, for simple implementation, could just get fixed set of prefix/suffix from a command line arg or file. Ticker On Wed, 2017-04-12 at 13:21 +0000, Gerd Petermann wrote:
Hi Tcker,
do you think of something similar to the highway-symbol filter ?
coutry specific information is kept in resources\LocatorConfig.xml . I don't think that this is the right place for this configuration. I think it is more about language than country borders.
And yes, there are special cases. I assume we have to make sure that there is at least one word between 0x1e and 0x1f.
Gerd ________________________________________ Von: mkgmap-dev <mkgmap-dev-bounces@lists.mkgmap.org.uk> im Auftrag von Ticker Berkin <rwb-mkgmap@jagit.co.uk> Gesendet: Mittwoch, 12. April 2017 13:12:41 An: mkgmap-dev@lists.mkgmap.org.uk Betreff: Re: [mkgmap-dev] How can we use prefix/suffix feature in road names?
Hi
A few thoughts on this:
Should it be a style invoked function.
Can the prefixes and suffixes be country defined and selected by, say, admin boundary. Is there already a place where mkgmap has country dependent info (like drive-on=)?
I used to live on "Avenue Road" - slight care needs to be taken on how it is implemented for these strange cases
Ticker
On Wed, 2017-04-12 at 10:13 +0000, Gerd Petermann wrote:
Hi all,
recently I learned about this feature which is already partly implemented in mkgmap, but not easy to use with OSM data. See http://www.mkgmap.org.uk/pipermail/mkgmap-dev/2017q2/026602.html There is at least one visible effect of these 0x1e and 0x1f characters: When you zoom out MapSource removes the prefix / suffix part(s) from the name. So "Rue de la Concorde" is displayed as "Concorde" which requires less space and probably allows to display more names. If I got that right the prefixes and suffixes are also excluded from the index by mkgmap, but that might not yet work.
My understanding is that we need a way to change the a road label "Rue de la Concorde" to "Rue de la" + 0x1e +"Concorde" or "Fernrodder Strasse" to "Fernrodder" + 0x1f + "Strasse".
Does anybody already use that feature in style rules?
I can think of several ways to implement that. 1) A collection of style rules for well known prefixes and suffixes. I fear those would be quite complex.
2) A new option file listing prefixes and suffixes and some Java code to modify all road labels. Format of the file might be prefix=Rue de la prefix=Rue du prefix=Rue de prefix=Rue prefix=Rua prefix=Chemin de la prefix=Chemin du prefix=Chemin de prefix=Chemin ... suffix=Road suffix=Steet suffix=Strasse suffix=Weg ...
I assume it is possible to compile a single regular expression from this, so performance should not be a problem.
Gerd
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