Jerry
Today, we're looking at switching to the Carto stylesheet as a starting point,
and adding in variables to filter on start_date and end_date. We'd manage the
carto in github, so totally possible to experiment with styles. Will let
everyone know how the sprint turns out today.
-Mikel
* Mikel Maron * +14152835207 @mikel s:mikelmaron
>________________________________
> From: sk53.osm <[email protected]>
>To: [email protected]
>Sent: Monday, June 10, 2013 8:50 AM
>Subject: [OHM] Modifying the default renderer
>
>
>
>I've been looking at the Seattle data and feel a bit dissatisfied with how the
>data looks. I realised that my issue was the early grid being represented as
>tracks.
>
>I believe that we should try and use a functional classification of highways
>for all historical periods, and keep the actual physical condition (whether a
>residential street is a muddy trackway, a narrow alley filled with ordure or a
>stone paved road with raised sidewalks) in distinct tags.
>
>For most historical periods values of highway=motorway, trunk, motorroad will
>be irrelevant, but I think there will always be at least two classes of
>highways loosely corresponding to longer distance roads, and local routes: for
>now I would suggest continuing to use primary/secondary. I'm not sure that
>tertiary is relevant in the pre-car age. We should also consider whether
>specific tags are needed for pack-horse trails & mule paths: the remnants of
>both are common across Western Europe, usually now tracks or bridleways.
>
>Whatever tags are used I think the appropriate cartography for main highways
>needs to be much more muted that what I've learnt is the "Telly Tubby style".
>One potential point of inspiration is the cartography of older editions of the
>Ordnance Survey's Roman Britain map (extract here). WIth a single cartographic
>style covering multiple periods I think we should aim to be fairly
>conservative. Furthermore there are many style rules which can be removed.
>
>Obviously any changes should wait until the main OSM site goves over to the
>CartoCSS style sheet. However, I think it's worth kicking off a discussion
>about both tagging & cartography at this point, before too much data is
>entered. So far it's only highways which have caught my attention: there may
>be some other feature classes which need a more period-neutral cartography.
>
>Regards,
>
>Jerry
>
>PS. I'd love to hear a resume of the BoF session in SF.
>
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