[OSM-talk] tagging and rendering highways in the USA and elsewhere

[Robert (Jamie) Munro]

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Jo wrote:
| Robert (Jamie) Munro schreef:
|>
|> When I look at the USA, I want interstates to be blue. When an American
|> looks at the UK, they want to see motorways to be a colour other than
|> blue, because then they will understand instinctively what kind of road
|> it is. This should be one of the major benefits of OSM over other maps.
|>
|> When someone from a USA IP address opens the map, they should see the
|> USA style tiles by default, but have the UK tiles on the layer switcher.
|>
| That would indeed make a lot of sense. Otherwise you will get odd
| results of roads changing style near the borders. So a separate tile
| server for the US is called for. Probably one for France as well with
| styles that look like Michelin's maps and maybe one for Germany (Are
| Germans used to Kummerley und Frey?)

Hopefully we won't need a separate tileserver for each rendering style -
1 server should be able to render more than one style at a time at
different URLs. I am led to believe that mod_tile cannot currently
render more than one style of tiles on a single apache installation - I
don't know what tilecache is capable of. It would be more efficient to
spread the load across multiple servers by odd/even tile numbers, or
possibly by odd/even zoom levels.

It is likely that a USA tileserver will be busy at different times from
a UK or Japan tile server, and it would be useful if they could share
the rendering loads between each at their own peak times.

Robert (Jamie) Munro
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