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[mkgmap-dev] Cutting down the default style

From Rich richlv at nakts.net on Mon Nov 7 15:01:58 GMT 2011

On 11/07/11 14:20, Felix Hartmann wrote:
> I strongly oppose the change.
> 1. I think the default mkgmap style should be kinda universal and not
> only for motorists. It shouldn't be specific and not show advanced stuff
> that is only for certain user groups (routes, and so on).
> 2. Multi layer maps are not a good solution. a) they work differently
> depending on the gps unit (older Garmin GPS only allow only one
> gmapsupp.IMG but inside you can disable/enable layers; newer Garmin PNAs
> don't allow for this, but you can enable/disable maps only based on
> name.IMG being separate).

oh, that doesn't sound that good anymore :)
are there devices in wide circulation that would not support multiple 
layers in any way ?

> 3. Therefore:
> basic stuff like building=*, power lines, and also most landuse/natural
> keys should be in the default mkgmap style. Boundaries are a bit of a
> different case, as you cannot see them physically (most). I would leave
> national boundaries in for all zoom levels, but cut down on more
> specific boundaries (I would propose:
> boundary=administrative&  admin_level<5 [0x1d resolution 20]
> boundary=administrative&  admin_level<7 [0x1c resolution 23]
> # boundary=administrative&  admin_level<9 [0x1c resolution 22]
> ´boundary=political [0x1c resolution 24]
> and move the boundary block to the beginning of the style-file and use
> it with "continue".
> Also move railway=abandoned to res 24.
> 4. Points file: I don't think the following are needed to be displayed -
> the access rules could still apply - however for them to be more
> effective they should be moved up front of the points file):
> barrier=bollard | barrier=bus_trap
>       {add access = no; add bicycle = yes; add foot = yes} [0x660f
> resolution 24]
> barrier=block | barrier=cycle_barrier | barrier=stile | barrier=kissing_gate
>       {add access = no; add foot = yes} [0x660f resolution 24]
> Also take into account the default style purpose (resources/styles/info):
> The default style.  This is a heavyweight style that is
> designed for use when mapping and especially in lightly covered
> areas.
> }

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