Re: [talk-au] Incorrect entry to BP service station

2010-01-13 Thread Richard Colless
Richard Colless wrote: The route instructions asked me to travel to west to Birch Street, make a right turn, proceed north to Debrincat Avenue, then turn left into Glossop and proceed south to the service station -travel right round the block instead of using the service station

Re: [talk-au] Incorrect entry to BP service station

2010-01-13 Thread Richard Colless
On Wed, Jan 13, 2010 at 9:04 AM, Sam Couter s...@couter.id.au wrote: Trying to drive or route to disconnected nodes is nonsensical. A question, then: what proportion of OSM POI's are disconnected? Should we be taking steps (in terms of mapping guidelines) to ensure POI

Re: [talk-au] Incorrect entry to BP service station

2010-01-13 Thread John Smith
2010/1/13 Richard Colless fire...@ar.com.au: I've been looking at dozens of POI's, mainly servos, over the last few weeks, checking that mapped locations match with reality. I have yet to find a single one that's actually on a road. The POI location is usually mapped to the middle of the main

[talk-au] Incorrect entry to BP service station

2010-01-12 Thread Richard Colless
I've been testing routing instructions on my Garmin for routes that I use regularly - makes great quality control, as it shows up badly drawn roundabouts, incorrect streets, all sorts of rubbish. A while back I tried to navigate to a BP service station from only a few hundred metres away. You

Re: [talk-au] Incorrect entry to BP service station

2010-01-12 Thread John Smith
2010/1/12 Richard Colless fire...@ar.com.au: Any suggestions? It might need a service road connecting the BP node to the surround roads. ___ Talk-au mailing list Talk-au@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-au

Re: [talk-au] Incorrect entry to BP service station

2010-01-12 Thread Richard Colless
John Smith wrote: 2010/1/12 Richard Colless fire...@ar.com.au: I thought of that. I just don't like using sledgehammers on walnuts. The service road exists in reality, so it's just a matter of improving the map to reflect reality more closely. In fact a lot of servos

Re: [talk-au] Incorrect entry to BP service station

2010-01-12 Thread Sam Couter
Roy Wallace waldo000...@gmail.com wrote: So the routing software has to approximate the target node with some other node that *is* connected... and if the router does this approximation sub-optimally, this is a problem with the router, right? How can it possibly know? This is garbage in,

Re: [talk-au] Incorrect entry to BP service station

2010-01-12 Thread Roy Wallace
On Wed, Jan 13, 2010 at 9:04 AM, Sam Couter s...@couter.id.au wrote: Trying to drive or route to disconnected nodes is nonsensical. A question, then: what proportion of OSM POI's are disconnected? Should we be taking steps (in terms of mapping guidelines) to ensure POI nodes and buildings (and

Re: [talk-au] Incorrect entry to BP service station

2010-01-12 Thread John Smith
2010/1/13 Roy Wallace waldo000...@gmail.com: On Wed, Jan 13, 2010 at 9:04 AM, Sam Couter s...@couter.id.au wrote: Trying to drive or route to disconnected nodes is nonsensical. A question, then: what proportion of OSM POI's are disconnected? Should we be taking steps (in terms of mapping

Re: [talk-au] Incorrect entry to BP service station

2010-01-12 Thread John Smith
2010/1/13 Roy Wallace waldo000...@gmail.com: Good question. I'm not sure. OSM's data should at least include 1) service roads (to decrease the distance between the POI and the nearest road, which should decrease ambiguity), and 2) entrances (to resolve ambiguity in the case of more than one

Re: [talk-au] Incorrect entry to BP service station

2010-01-12 Thread Roy Wallace
On Wed, Jan 13, 2010 at 11:59 AM, John Smith deltafoxtrot...@gmail.com wrote: On a related issue re: 2), in the case of multiple businesses sharing a building (e.g. a typical AU shopping centre with entrances on the outside of the building), is it advisable to place a POI node This is

Re: [talk-au] Incorrect entry to BP service station

2010-01-12 Thread John Smith
2010/1/13 Roy Wallace waldo000...@gmail.com: On Wed, Jan 13, 2010 at 11:59 AM, John Smith deltafoxtrot...@gmail.com wrote: On a related issue re: 2), in the case of multiple businesses sharing a building (e.g. a typical AU shopping centre with entrances on the outside of the building),

Re: [talk-au] Incorrect entry to BP service station

2010-01-12 Thread Steve Bennett
On Wed, Jan 13, 2010 at 1:54 PM, Roy Wallace waldo000...@gmail.com wrote: But it's relevant to anyone who is placing POI's. Where should they be placed - floating inside the building or on the building outline (at the entrance)? Floating inside. Placing it on the building outline seems wrong