Though San Francisco only, this site deserves mention:
http://amarpai.com/bikemap/bikemap.html To see "The Wiggle" (more or less), search for the "most bike-friendly" path between "duboce and market" and "fell and stanyan". Also, take a look Trevor Smith's SF Bike Map: http://sourceforge.net/projects/sfbikemap/ which is no longer under development, but has some usable java source code. Looking forward to seeing the fruits of 511.org's efforts. Best, TCB On 5/9/07, S Wotherspoon <[EMAIL PROTECTED]> wrote:
Jessica, Thanks for raising this topic on this list. I am currently building the routable bike mapper for bicycling.511.org which will replace the one you see now. We are not using open source software or data, mainly because MTC, the agency that sponsors the app, already has licenses for ESRI ArcGIS Server and Network Analyst, as well as for TeleAtlas Dynamap Transportation, a commercial street centerline database. The other posters are absolutely spot on that the largest effort is to obtain or develop a graph of street data with attribution for bicycle use. In our case, we already have generalized polylines for bike facilities for the nine-county Bay Area (you can download these at http://www.mtc.ca.gov/maps_and_data/GIS/data.htm#cat2). These were provided by Bay Area cities to MTC in digital or paper format, which were heads-up digitized at a coarse scale for use in the current bike mapper. (For those who haven't seen this app, the user inputs the origin and destination and these are the extent of the displayed map. The map is a static image of the bicycle facility network for the area of user interest.) To create the routable bike mapper the first step is to adapt the TeleAtlas street database with our bike facility data. The TeleAtlas database is a graph and supports routing, but the attributes are automobile-centric, so we are conflating our original bike facility polylines to the TeleAtlas database and adding bicycle-centric attributes. By doing this, we can use these attributes, or derivatives of these attributes, as impedances or costs in the network route analysis. We have added bi-directional degree slope attributes to the TeleAtlas database as well and are working on methods to use these in the network route analysis. We obtained the slope data from a USGS 1m DEM. For the most part the slope values are reasonable, but we needed to perform clean up to roads that pass under elevated freeways, and which have a junction coincident with the freeway. To start we are creating two impedances: Easiest (prefers bike facilities, least slope, shortest distance, travels one-way) and Best (shortest distance, prefers bike facilites, travels one-way, couldn't care less about slope). We may also incorporate a user parameter for maximum slope tolerated. We don't have a launch date set, but I'll post an announcement here when we have the beta up in a few months. --Stella Wotherspoon On 5/9/07, Peter Strømberg <[EMAIL PROTECTED] > wrote: > Here's another routeplanner that calculates walking, cycling, car and public > transport routes. > http://www.journeyon.co.uk/ > Don't worry if you don't know any Brighton adresses, you can point and click > destinations on > a map. I don't know what the routing engine is, but I will find out... > > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto: [EMAIL PROTECTED] ] On Behalf Of Jorge Gil > Sent: 08 May 2007 13:42 > To: [email protected] > Subject: RE: [Geowanking] routing for bicycles > > Jessica, > > You might also want to check this web service for the UK: > http://www.cyclemaps.net/index.html > > Where they have to route planning modes: using cycle routes or the most > direct route (least turns and distance) > > You might also want to check this paper: > Raford, Chiaradia, Gil (2005) Critical Mass: Emergent cyclist route choice > in central London, in proceedings of the 5th Space Syntax Symposium, Delft, > The Netherlands > http://www.spacesyntax.tudelft.nl/media/Long%20papers%20I/noahraford.pdf > > Jorge > _________________ > > Jorge Gil > Associate, Research & Development > > SPACE SYNTAX > > D +44 (0) 20 7422 7611 > > [EMAIL PROTECTED] > www.spacesyntax.com > > -----Original Message----- > From: jessica forbess [mailto: [EMAIL PROTECTED] > Sent: 03 May 2007 20:20 > To: [email protected] > Subject: [Geowanking] routing for bicycles > > Hey, I'm a GIS noob, but I was recently overcome with a desire to see a > bicycle directions button on the Google Maps page, so I started to poke > around to see what has been done in terms of bicycling routing, and open > source routing in general. > > I found BBBike, http://bbbike.sourceforge.net/, which would be a great place > to start if I spoke German. > > I noticed that bicycling.511.org in the SF Bay Area currently just supplies > navigable bike maps, and has a note that they might supply turn-by-turn > directions in the future. > > I discovered Tiger, and came to the same conclusion as had been discussed a > few months ago on this list, that it wasn't really a working solution for > open source routing. > > The PGDijkstra routing engine mentioned is interesting. And the pgRouting > that is based on it. I haven't looked at those closely, but I just thought > I'd see if anyone here knew of a good place to start, given my goal is open > source routing for bicycles. > > thanks, > jessica forbess > _______________________________________________ > Geowanking mailing list > [email protected] > http://lists.burri.to/mailman/listinfo/geowanking > > > _______________________________________________ > Geowanking mailing list > [email protected] > http://lists.burri.to/mailman/listinfo/geowanking > > > _______________________________________________ > Geowanking mailing list > [email protected] > http://lists.burri.to/mailman/listinfo/geowanking > -- Stella Wotherspoon 510-638-3585 _______________________________________________ Geowanking mailing list [email protected] http://lists.burri.to/mailman/listinfo/geowanking
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