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[mkgmap-dev] Distinguishing cycleways from footways and minor paths

From Felix Hartmann extremecarver at gmail.com on Fri Feb 4 21:44:20 GMT 2011

On 04.02.2011 18:10, Marko Mäkelä wrote:
> On Fri, Feb 04, 2011 at 03:38:56PM +0100, Minko wrote:
>> In the typ file you can't define what kind of road it is in the TYP file,
>> if both roads are set to the same 0x07 type. So there you can only set the label
>> to cycleway/service road and see what the navigation does.
>> It's sad that the newer Garmin's only can display
>> a very limited number of line types without a typ file, but there is another alternative:
>> How about working with overlays?
>> line style file:
>> highway=cycleway [0x070d]
>> highway=service [0x070e]
>> overlay style file:
>> 0x070d: 0x07, 0x0d
>> 0x070e: 0x07, 0x0e
>> Routing will be fine, because Garmin only uses 0x07
>> Without a typ file, GPS unit and Mapsource show only 0x07 because 0x0d / 0x0e are invisible
> Without a typ file, the Edge 705 ought to show a black line (0x0d or
> 0x0e) overlaid with the dashed brown line (0x07).
>> If you are working WITH a typ file and the default style, this option
>> does offer the possibility to
>> set a label or colour to 0x0d and 0x0e
> Yes, that would make sense when using a TYP file.
>> Speaking of invisble lines, this is also working for bridges:
>> (bridge=yes | bridge=true | bridge=viaduct)  [0x2b resolution 23 continue with_actions]
>> Without a typ file, bridges are not visible, just the highway.
>> With a typ file, type 0x2b can be made visible with the highway.
> I got another idea: What if we create a default-typ style based on the
> default style, similar to the marine style? It would define overlays for
> bridges, tunnels, oneways and such. The prerequisite for this would be a
> TYP file that can be distributed with mkgmap (with an appropriate
> license and some maintainer). The default-typ style would only contain
> the tweaks; most definitions would still be in the default style.
> Best regards,
> 	Marko
> _______________________________________________
Without typfile lines are not automatically and in all Mapsource / GPS 
versions invisible or not to distinguish. I would not include invisible 
(without assigning them invisible by using a typfile) roads into the 
default style.

BTW: the points file resolutions should be drastically reduced. I would 
basically reduce all but cities to 24. Then maybe put some into 23 and 
look if there is a need for any (and that they are shown as well, else 
it is just wasted space) POI except cities in 22 from a general usepoint.

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