Re: [Talk-GB] Postboxes & Payphones

2009-11-09 Thread Frederik Ramm
Hi, Andy Allan wrote: > automated imports of sub-standard data It is probably wishful thinking to hope that they will go away. But one thing we could do to limit damage is to have something like "layering" in the OSM data base; not thematic layering like in traditional GIS, but source layerin

Re: [Talk-GB] Postboxes & Payphones

2009-11-09 Thread Tom Taylor
On 9 Nov 2009, at 16:06, Andy Allan wrote: > Please don't. Imports are a real, real annoyance. There's no > indication that anyone using the dracos site has "located" these with > any accuracy or personal knowledge - I wouldn't be surprised to find > many just somewhere "near" the road in question

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Andy Robinson (blackadder-lists)
Ed Avis wrote: >Sent: 09 November 2009 6:08 PM >To: talk-gb@openstreetmap.org >Subject: Re: [Talk-GB] Underground Pipelines > >Isn't this analogous to the flow in rivers? No, oil and gas pipeline are driven by pressure and go up and downhill. Only a gravity sewer acts similar to a river in that it

Re: [Talk-GB] Postboxes & Payphones

2009-11-09 Thread Jerry Clough - OSM
Can I add my voice to those who would prefer that these are not imported? There are several reasons: 1. Data quality is not assured. 2. Sourcing. For instance I have located some postboxes on Dracos site, BUT have not placed them in OSM because I've used information which may no

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Ed Avis
Isn't this analogous to the flow in rivers? In some cases the mapper will know which way the water flows and can make the way point downstream and tag it somehow. In other cases the river may have been drawn by tracing a satellite photo or old map over a small area, and the person doing the traci

Re: [Talk-GB] Postboxes & Payphones

2009-11-09 Thread Ed Avis
Chris Hill writes: >Please don't import the Draco database into OSM. The quality is very >dubious in places. The original FoIA data that it is based on is very, >very general. They have to be surveyed on the ground to confirm that >they are even within 200m. I acknowledge your and Andy All

Re: [Talk-GB] Postboxes & Payphones

2009-11-09 Thread Chris Hill
Ed Avis wrote: > Mike writes: > > >> I've been looking at the Dracos postbox list >> http://www.dracos.co.uk/play/locating-postboxes/ >> > > I have recently started work on importing this, > see . > So far I have just done the E10 and E17 p

Re: [Talk-GB] Postboxes & Payphones

2009-11-09 Thread Andy Allan
On Mon, Nov 9, 2009 at 2:23 PM, Ed Avis wrote: > Mike writes: > >>I've been looking at the Dracos postbox list >>http://www.dracos.co.uk/play/locating-postboxes/ > > I have recently started work on importing this, > see . > So far I have just done

Re: [Talk-GB] Postboxes & Payphones

2009-11-09 Thread Ed Avis
Mike writes: >I've been looking at the Dracos postbox list >http://www.dracos.co.uk/play/locating-postboxes/ I have recently started work on importing this, see . So far I have just done the E10 and E17 postcodes near where I live. After a bit of

Re: [Talk-GB] A pitch in a common

2009-11-09 Thread Craig Wallace
On 08/11/2009 18:41, Ian Caldwell wrote: > On part of the Malvern Common there is a football pitch which is > notable as it flat and mowed, unlike the rest of the common but on > Mapnik they are shown as the same colour. > > Any suggestions? > A pitch is rendered a different shade of a green to a

[Talk-GB] Google Wave

2009-11-09 Thread Bob Kerr
Hi, I have just been watching the presentation on Google Wave http://wave.google.com/help/wave/about.html I was wandering if in the future if this would be a useful tool for us, I was thinking along the lines of helping organising meetups and mapping parties for a local area. Any thoughts? cheers

Re: [Talk-GB] A pitch in a common

2009-11-09 Thread Jonathan Bennett
John Robert Peterson wrote: > If you look at the use cases -- 2 spring to mind: some people looking > for somwhere to play football; somone out with a mobile device trying > to work out where they are on a common (if they can use the football > field as a frame of reference, they will know exactly

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Matthew Westcott
On 9 Nov 2009, at 11:26, Thomas Wood wrote: > Pipelines explicitly work in only one direction, why not just > require a > pipeline way's direction to be that of flow and not bother with the > redundant oneway=yes tagging? The problem with having a way's direction imply anything is that there

Re: [Talk-GB] A pitch in a common

2009-11-09 Thread John Robert Peterson
I see what you are saying here, and agree to a point, but in general, I don't agree with the implications. If you look at the use cases -- 2 spring to mind: some people looking for somwhere to play football; somone out with a mobile device trying to work out where they are on a common (if they can

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Shaun McDonald
On 9 Nov 2009, at 11:37, Thomas Wood wrote: > Frederik Ramm wrote: >> (and >> once people start correctly tagging tram tracks with oneway tags >> things >> will get *very* confusing). >> > Like has been done for the tramtracks around Croydon? > http://osm.org/go/euupqUAQ5- Note that some of th

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Jonathan Bennett
Derry Hamilton wrote: > Are all pipelines one-way? I was under the impression that pumped storage > water pipelines were two-way. Yes, some are. At Cruachan power station (http://osm.org/go/e6AnvNTu--) the same pipes are used to pump water back into the reservoir as to feed the turbines. However

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Derry Hamilton
2009/11/9 Jonathan Bennett : > I'd say tagging as a pipeline makes the flow implicitly one way, and you > should make sure the way points in the direction of flow (which it > appears you have). Are all pipelines one-way? I was under the impression that pumped storage water pipelines were two-way.

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Jonathan Bennett
Brian Prangle wrote: > My problem is how to tag the direction of flow. The oil pipeline markers > have the direction of flow indicated on them ( gas ones don't). I've > tagged the pipelines as oneway=yes which results in mapnik rendering > little blue arrows in the countryside. Whilst this is to me

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Lennard
Thomas Wood wrote: >> (and once people start correctly tagging tram tracks with oneway tags >> things will get *very* confusing). > Like has been done for the tramtracks around Croydon? > http://osm.org/go/euupqUAQ5- Yes, and those oneway arrows are nigh invisible. ;) I've actually seen waterway

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Thomas Wood
Frederik Ramm wrote: > (and > once people start correctly tagging tram tracks with oneway tags things > will get *very* confusing). > Like has been done for the tramtracks around Croydon? http://osm.org/go/euupqUAQ5- ___ Talk-GB mailing list Talk-GB

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Philip Stubbs
2009/11/9 Thomas Wood : > Andy Robinson (blackadder-lists) wrote: >> Brian Prangle wrote: >> >>> Sent: 09 November 2009 11:14 AM >>> To: Talk GB >>> Subject: [Talk-GB] Underground Pipelines >>> >>> We have several oil terminals just to the E of Birmingham and wandering >>> around the countryside I

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Frederik Ramm
Hi, Lennard wrote: > Mapnik currently renders oneway arrows for *every* way with the > oneway=yes tag, and that could probably be limited to > highway/railway/waterway=* without serious impact to the map. Speak up > if you think this is a bad idea, else this change can go in soon. You beat me

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Lennard
Brian Prangle wrote: > We have several oil terminals just to the E of Birmingham and wandering > around the countryside I come across loads of pipeline markers. In > places there are enough to join them up with man-made=pipeline ways. My Excellent. I've done this at a really small scale as well

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Thomas Wood
Andy Robinson (blackadder-lists) wrote: > Brian Prangle wrote: > >> Sent: 09 November 2009 11:14 AM >> To: Talk GB >> Subject: [Talk-GB] Underground Pipelines >> >> We have several oil terminals just to the E of Birmingham and wandering >> around the countryside I come across loads of pipeline m

Re: [Talk-GB] Underground Pipelines

2009-11-09 Thread Andy Robinson (blackadder-lists)
Brian Prangle wrote: >Sent: 09 November 2009 11:14 AM >To: Talk GB >Subject: [Talk-GB] Underground Pipelines > >We have several oil terminals just to the E of Birmingham and wandering >around the countryside I come across loads of pipeline markers. In places >there are enough to join them up with m

[Talk-GB] Underground Pipelines

2009-11-09 Thread Brian Prangle
We have several oil terminals just to the E of Birmingham and wandering around the countryside I come across loads of pipeline markers. In places there are enough to join them up with man-made=pipeline ways. My problem is how to tag the direction of flow. The oil pipeline markers have the direction

Re: [Talk-GB] A pitch in a common

2009-11-09 Thread Jonathan Bennett
Ian Caldwell wrote: > On part of the Malvern Common there is a football pitch which is notable > as it flat and mowed, unlike the rest of the common but on Mapnik they > are shown as the same colour. > > Any suggestions? Leave it be? Seriously: You've got the tagging right, so there's no need t