[OSM-talk] YOURS now supports route using only cycleroutes - Update

Lambertus osm at na1400.info
Fri Sep 26 11:14:39 BST 2008


Stefan Monnier wrote:
> I'm not sure what is the status and goal of this site, so I don't know
> how interested you might be in "bug reports", but I just tried to get
> a fastest car route from Montréal Québec to New Haven, Connecticut, and
> the route stops in the middle of nowhere.  The "shortest" route seems
> OK, except it uses way too many little roads.
> 
> Just for kicks, I also tried the fastest bicycle route from Montréal to
> Buenos Aires and it similarly stops in the middle of nowhere.
> 

Status:
- Website: heavily in development
- Routing engine: don't know (not maintained by me)

Goal:
Use OpenStreetMap data to make a routing website utilizing as much other 
(opensource) services/application as possible. I develop *only* the glue 
logic; the webinterface.

I'm always interested in bug reports, suggestions or code snippets but I 
don't maintain the routing engine.

Regarding your route from Montreal - New Haven, works for me.
fastest: 
<http://www.yournavigation.org/?flat=41.308153&flon=-72.928158&tlat=45.531875&tlon=-73.636881&v=motorcar&fast=1&layer=mapnik>

Shortest:
<http://www.yournavigation.org/?flat=41.308153&flon=-72.928158&tlat=45.531875&tlon=-73.636881&v=motorcar&fast=0&layer=mapnik>

If a route stops somewhere between the start and stop coordinates then 
the routing engine (Gosmore) wasn't able to calculate a complete route 
and returns it's best solution (which might be using a lot of small 
roads even when you chose 'fastest'). In case of Montreal - Buenos Aires 
this is caused there isn't a continuing connecting road between those 
cities. Especially in Central America there is a lot of 'here be 
dragons' land. This effectively prevents routing between North and South 
America.

Although I've put some working long distance examples below there are 
also situations where Gosmore just seems to 'give up' while a route is 
possible. Example: just try to route from Berlin to Madrid (type those 
names to get the coordinates). Gosmore is not able to return a complete 
route but routes from Madrid to Amsterdam and from Amsterdam to Berlin 
(or Madrid - Geneve - Berlin and many other in-betweens) are working 
just fine.

Some other examples:
Glasgow - London
<http://www.yournavigation.org/?flat=55.79274&flon=-4.354897&tlat=51.389725&tlon=-0.114174&v=motorcar&fast=1&layer=mapnik>

GB: Northeastern tip - Southwestern tip, 1445km
<http://www.yournavigation.org/?flat=58.642109&flon=-3.068728&tlat=50.066191&tlon=-5.700649&v=motorcar&fast=1&layer=mapnik>

Europe: Amsterdam - Madrid, 2056km
<http://www.yournavigation.org/?flat=52.36227&flon=4.798082&tlat=40.409275&tlon=-3.710699&v=motorcar&fast=1&layer=mapnik>

There are also other routing 'problems' (weird route decisions) which 
are difficult to explain, so I'll create a wiki page for that where they 
can be gathered which might help to solve common problems.






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