[PATCH v1] Re: [mkgmap-dev] maxspeed tag vs road_speed preset

Thu May 21 08:47:04 BST 2009

Hi Thilo,

> the relationship between the maxspeed tag and the road_speed is  
> hardcoded in mkgmap. This is reasonable in general, because otherwise  
> the style files had to be much larger to cover all the possible  
> road_speeds per road. But if you want to use the road_speed in a  
> creative way (say for a cycle map) this gets in the way.
> 
> The evaluation of the maxspeed tag is implemented in src/uk/me/ 
> parabola/mkgmap/osmstyle/StyledConverter.java. The following patch  
> will remove it.

It occurs to me that some people will want the maxspeed tag to override
the speed code in the rules file (obviously, the person who wrote that
code thought it was a good idea) but others, like Marco, would prefer
not to have that feature. So, I guess, we need (yet another) option to
control this behaviour. I attach a patch that does, essentially, the
same thing as your patch with the addition that you can switch that
behaviour on and off.

Cheers,

Mark
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