[mkgmap-dev] mkgmap in NYC

Tue Oct 21 10:23:58 BST 2014

Hi everybody,

Thanks for helping out with this issue. @Brian you can also just send me a
message direct about issues related to the maps I make. I have some changes
in the style file so the people on this list won't always be able to help
out. But now that we're talking on this list, I hope other don't mind if we
continue.

I do actually have some changes for the US and NYC that I have been meaning
to contribute to mkgmap. Now's probably a good time to see if this it makes
sense.

Here are my rules for the US:

# United States
mkgmap:country=USA & mkgmap:region!=* & mkgmap:admin_level4=* { set
mkgmap:region='${mkgmap:admin_level4}' }
# New York City has different admin levels than the rest of the US.
# https://wiki.openstreetmap.org/wiki/United_States_admin_level
mkgmap:country=USA & mkgmap:city!=* & mkgmap:admin_level6=* &
(name='Manhattan' | alt_name='Manhattan') { set mkgmap:city='New York' }
mkgmap:country=USA & mkgmap:city!=* & mkgmap:admin_level6=* & (name='The
Bronx' | alt_name='The Bronx') { set mkgmap:city='The Bronx' }
mkgmap:country=USA & mkgmap:city!=* & mkgmap:admin_level6=* &
(name='Brooklyn'| alt_name='Brooklyn') { set mkgmap:city='Brooklyn' }
mkgmap:country=USA & mkgmap:city!=* & mkgmap:admin_level6=* &
(name='Queens' | alt_name='Queens') { set mkgmap:city='Queens' }
mkgmap:country=USA & mkgmap:city!=* & mkgmap:admin_level6=* & (name='Staten
Island' | alt_name='Staten Island') { set mkgmap:city='Staten Island' }
mkgmap:country=USA & mkgmap:city!=* & mkgmap:admin_level8=* { set
mkgmap:city='${mkgmap:admin_level8|subst:City of }' }

I just tried to find 311 W 51 St. in New York but it didn't work as Brian
pointed out. Can anybody see an obvious problem with my rules? Do I need to
compile the bounds myself for this rule to work?

Once I get this working properly, I can make a proper patch.

Thanks, Ben

On Mon, Oct 20, 2014 at 2:37 PM, Greg Troxel <gdt at ir.bbn.com> wrote:

>
> Gerd Petermann <gpetermann_muenchen at hotmail.com> writes:
>
> > [1] This is because we use so called "precompiled boundaries", and
> changing them like that would
> > require hard coded rules in the source.
>
> That might be the right place to fix this.  Unfortunately New York
> really is a weird case (I don't know of any other such case in the US),
> but arguably it's important because a lot of people live there :-)
>
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> mkgmap-dev at lists.mkgmap.org.uk
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>
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