Is there a big speed difference when using your patches? I currently have quite some difficulties running extensive checks, as I can only create maps via remote desktop. Principally I think many people await this feature. 2009/7/19 Torsten Leistikow <de_muur@gmx.de>
Moin,
finally I got my eclipse environment running and was able to build mkgmap from source. So the next step was my first extension of mkgmap.
Until now a single OSM element was converted into a single garmin element, i.e. the first one in the style file with the matching expression.
I have extended the style definition by two commands (stop and continue), to allow the generation of multiple elements.
A classic conversion rule has a syntax like:
amenity=restaurant [0x2a00 resolution 20]
With my extension this is equal to
amenity=restaurant [0x2a00 resolution 20 stop]
and has the meaning: If this rule is used, no further rules will be applied to the element.
If this line is changed now to
amenity=restaurant [0x2a00 resolution 20 continue]
mkgmap will convert a matching OSM element into a garmin Element type 0x2a00, but afterwards it will check, whether another rule is matching for the same osm element. So this will allow, that for the same item additionally a
tourism=hotel [0x2b01 resolution 20]
rule might be applied.
My modification is working on points as well as on lines or polygons, i.e. it will also help with barrier=fence problem.
There are two problems with my modification:
1. The POI generation for an area will not work, with multiple conversion rules.
2. I do not know, how to provide a proper patch for my modification, so I just attached the modified java-files (based on mkgmap-r1087).
I hope you can incorporate the modification into your mkgmap and give it a try. Without any change to the style, the modification should not change anything. As a try, you could add the continue command to all point rules and all barrier rules.
What do you think about it?
Gruss Torsten
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