Mike, OpenLayers lets you produce vector drawings on top of raster images, so you could store your routes as lat/lon points on your own server, and overlay them on top of OSM tiles using OpenLayers.
Is that the sort of thing you are thinking of? Graham. On 10 March 2010 22:35, Mike Warren <s...@mike-warren.com> wrote: > > Hello Everyone, > > I have looked into some aspects of OSM, mostly the rendering and some > of the routing code, and I am looking for some guidance before I go > further. > > Background: cycling routes as provided by the City in Calgary suck, so > I would like to provide cyclists here with the opportunity to design > our own (including suggestions for infrastructure). This would be a > two-part thing: providing users the ability to suggest routes > (e.g. draw an overlay on the map, following roads and paths) and > render the "current" route-map like the "cycle map" does. Ultimately, > I would see tagging this information into OSM data itself, but I'm > guessing the in-flux data wouldn't be appropriate...? (i.e. lots of > "potential" routes proposed by users) > > > It doesn't seem that there's a solution to draw an overlay while > following roads + paths, although there does seem to be good routing > code. So I would see one thing that needs to be done is to hook > openlayers together with a routing server to draw routes something > like how google-maps does it in "My Maps" (i.e. click a few points and > the shortest route between them appears as an overlay). Have I missed > something and there's already code for this? > > The other piece would be my own tile-server covering Calgary and > serving bikemap-like rendered tiles with the currently-best routes on > them. I am currently trying to see how best to make this happen, and > since the "cycle map" mapnik files aren't available is the > mapnik-based rendering the way to go, or would osmarender (or > something else?) be better? Spreadnik, maybe? Ultimately, print-ready > output would also be generated. > > I would be thinking along the lines of having my own (up-to-date) copy > of the OSM data on a local DB which also contains the information for > users' routes. Is this going to be a nightmare to sync? Should I keep > users' routes separately? (Bear in mind, ultimately I would see adding > "lcn_ref" sorts of tags "upstream" into OSM as this matured). > > There's also the issue of the underlying OSM data: sometimes users > will find problems with OSM, and of course it would be best to have > any such edits go live to OSM. > > > Am I totally off-base here? Or can I just put tags directly into the > OSM servers (and hence just have a local renderer if I want to change > the look)? > > > Thanks for any thoughts, > > -- > mike warren > m...@mike-warren.com + http://www.mike-warren.com > > _______________________________________________ > dev mailing list > dev@openstreetmap.org > http://lists.openstreetmap.org/listinfo/dev > -- Dr. Graham Jones Hartlepool, UK email: grahamjones...@gmail.com
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