Re: [OSM-talk] People's Map

2009-04-11 Thread andrew heggie
On Saturday 11 April 2009 00:47:46 Tim Waters (chippy) wrote: Essentially the first bit burns ground control points into the image the second then stretches the image and produces a geoTIFF from it. I visited 4 ground control points with my GPS each about 3km apart and at prominent points

Re: [OSM-talk] People's Map

2009-04-10 Thread Jukka Rahkonen
Peter Miller peter.miller at itoworld.com writes: Looks interesting but. (there is unfortunately often a but) A brief review of the license terms. The definition of Derived Work is good, unless a derived map is a 'Digital Terrain Model' which we would need to check with them.

Re: [OSM-talk] People's Map

2009-04-10 Thread Frederik Ramm
Hi, Jukka Rahkonen wrote: No problems if some individual or a small group makes a contract, digitizes all what they can see from the images in their own closed factory and uploads the results into OSM database. This is better than nothing but should always be our last resort. During a

Re: [OSM-talk] People's Map

2009-04-10 Thread Peter Miller
On 10 Apr 2009, at 09:13, Jukka Rahkonen wrote: Peter Miller peter.miller at itoworld.com writes: Looks interesting but. (there is unfortunately often a but) A brief review of the license terms. The definition of Derived Work is good, unless a derived map is a 'Digital Terrain

Re: [OSM-talk] People's Map

2009-04-10 Thread Chris Fleming
On 09/04/09 10:15, Mike Harris wrote: Thanks - rather what I had thought but it was new to me. A quick comparison of areas I know well shows OSM streets ahead (if you'll pardon the weak pun) ... I also found that it was difficult to actually do much with their data for free other than link to

Re: [OSM-talk] People's Map

2009-04-10 Thread Chris Fleming
On 09/04/09 10:15, Mike Harris wrote: Thanks - rather what I had thought but it was new to me. A quick comparison of areas I know well shows OSM streets ahead (if you'll pardon the weak pun) ... I also found that it was difficult to actually do much with their data for free other than link to

Re: [OSM-talk] People's Map

2009-04-10 Thread Martin Spott
D Tucny wrote: How much does a small plane with camera mount cost to hire for a day? :) It depends on wether you're going to invite the pilot for a nice meal :-) I think the most tricky part of the story is still to rectify and adjust the resulting aerial imagery. If you managed to develop a

Re: [OSM-talk] People's Map

2009-04-10 Thread andrew heggie
On Friday 10 April 2009 22:05:15 Martin Spott wrote: D Tucny wrote: How much does a small plane with camera mount cost to hire for a day? :) I don't know about a day but 17 overlapping images of an approximately 10 by 10 km area cost me GBP600. Once rectified they were not true plan images

Re: [OSM-talk] People's Map

2009-04-10 Thread Tim Waters (chippy)
2009/4/10 andrew heggie l...@sylva.icuklive.co.uk: On Friday 10 April 2009 22:05:15 Martin Spott wrote: D Tucny wrote: How much does a small plane with camera mount cost to hire for a day? :) I don't know about a day but 17 overlapping images of an approximately 10 by 10 km area cost me

Re: [OSM-talk] People's Map

2009-04-10 Thread Iván Sánchez Ortega
El Sábado, 11 de Abril de 2009, Tim Waters (chippy) escribió: What happens is that the distance from lens to ground is different over varying terrain, so it doesn't match what a map would be. These will help: http://en.wikipedia.org/wiki/File:OrthoPerspective.svg

Re: [OSM-talk] People's Map

2009-04-10 Thread Iván Sánchez Ortega
El Sábado, 11 de Abril de 2009, Iván Sánchez Ortega escribió: I think the way these are done are to use a digital evevation model - I would hope the free SRTM could be sufficient? On the contrary: AFAIK, SRTM's are done by seeing the differences between overlapping aerial photos. I meant

Re: [OSM-talk] People's Map

2009-04-10 Thread Matt Amos
2009/4/11 Iván Sánchez Ortega i...@sanchezortega.es: El Sábado, 11 de Abril de 2009, Tim Waters (chippy) escribió: I think the way these are done are to use a digital evevation model - I would hope the free SRTM could be sufficient? On the contrary: AFAIK, SRTM's are done by seeing the

[OSM-talk] People's Map

2009-04-09 Thread Mike Harris
Someone just pointed out this site to me: http://peoplesmap.com/Default.aspx with the claim that it was similar to OpenStreetMap and more UK-oriented than OSM (which for some reason they thought was German-dominated - I can't imagine why! (;)). At a quick glance it doesn't even appear to

[OSM-talk] People's Map

2009-04-09 Thread Peter Miller
This is what I know. If you know more then please add it to the wiki. http://ideasintransit.wikia.com/wiki/People%27s_Map In summary - it isn't going anywhere and hasn't really got anywhere in the past two years! Regards, Peter On 9 Apr 2009, at 09:38, Mike Harris wrote: Someone just

Re: [OSM-talk] People's Map

2009-04-09 Thread Richard Fairhurst
Mike Harris wrote: Does anyone know anything about People's Map? It's a tragic waste of good aerial imagery. http://fakestevec.blogspot.com/2007/12/peoples-map-is-deeply-fucked.html cheers Richard -- View this message in context: http://www.nabble.com/People%27s-Map-tp22966717p22967071.html

Re: [OSM-talk] People's Map

2009-04-09 Thread Mike Harris
GetMapping have found a way to enlist the innocent to enhance their commercial aerial photography products by providing tags! -Original Message- From: Thomas Wood [mailto:grand.edgemas...@gmail.com] Sent: 09 April 2009 10:02 To: Mike Harris Cc: talk@openstreetmap.org Subject: Re: [OSM-talk

Re: [OSM-talk] People's Map

2009-04-09 Thread Ed Avis
I have to admit to feeling very envious when I see the beautiful, crisp, high-resolution aerial photographs that the People's Map guys are able to use. It's such a waste that they have retreated into their own closed-off corner rather than collaborating with OSM. I can't see why someone would

Re: [OSM-talk] People's Map

2009-04-09 Thread Thomas Wood
2009/4/9 Mike Harris mik...@googlemail.com: Someone just pointed out this site to me: http://peoplesmap.com/Default.aspx with the claim that it was similar to OpenStreetMap and more UK-oriented than OSM (which for some reason they thought was German-dominated - I can't imagine why! (;)).

Re: [OSM-talk] People's Map

2009-04-09 Thread Peter Miller
On 9 Apr 2009, at 12:59, Ed Avis wrote: I have to admit to feeling very envious when I see the beautiful, crisp, high-resolution aerial photographs that the People's Map guys are able to use. It's such a waste that they have retreated into their own closed-off corner rather than

Re: [OSM-talk] People's Map

2009-04-09 Thread Pieren
On Thu, Apr 9, 2009 at 3:33 PM, Peter Miller peter.mil...@itoworld.com wrote: http://wiki.openstreetmap.org/wiki/Aerial_photography_funding_appeals The wiki says about this supplier: About $17 per sq km for basic 2 meter resolution photography. I attached in the discussion page some links

Re: [OSM-talk] People's Map

2009-04-09 Thread Mike Harris
I enjoyed the link! Thanks ... Mike Harris -Original Message- From: Richard Fairhurst [mailto:rich...@systemed.net] Sent: 09 April 2009 10:05 To: talk@openstreetmap.org Subject: Re: [OSM-talk] People's Map Mike Harris wrote: Does anyone know anything about People's Map? It's

Re: [OSM-talk] People's Map

2009-04-09 Thread Ed Avis
Pieren pieren3 at gmail.com writes: http://wiki.openstreetmap.org/wiki/Aerial_photography_funding_appeals The wiki says about this supplier: About $17 per sq km for basic 2 meter resolution photography. Does that mean that each pixel covers an area roughly 2m by 2m? If so this is not any

Re: [OSM-talk] People's Map

2009-04-09 Thread Peter Miller
On 9 Apr 2009, at 17:44, Ed Avis wrote: Pieren pieren3 at gmail.com writes: http://wiki.openstreetmap.org/wiki/ Aerial_photography_funding_appeals The wiki says about this supplier: About $17 per sq km for basic 2 meter resolution photography. Does that mean that each pixel covers an

Re: [OSM-talk] People's Map

2009-04-09 Thread Peter Miller
On 9 Apr 2009, at 15:25, Pieren wrote: On Thu, Apr 9, 2009 at 3:33 PM, Peter Miller peter.mil...@itoworld.com wrote: http://wiki.openstreetmap.org/wiki/Aerial_photography_funding_appeals The wiki says about this supplier: About $17 per sq km for basic 2 meter resolution photography. I

Re: [OSM-talk] People's Map

2009-04-09 Thread D Tucny
2009/4/10 Ed Avis e...@waniasset.com Pieren pieren3 at gmail.com writes: http://wiki.openstreetmap.org/wiki/Aerial_photography_funding_appeals The wiki says about this supplier: About $17 per sq km for basic 2 meter resolution photography. Does that mean that each pixel covers an area

Re: [OSM-talk] People's Map

2009-04-09 Thread Keith Ng
How does one go about calculating the field of view from the elevation and resolution? Would you mind explaining that? Thank you very much. On Fri, Apr 10, 2009 at 11:30 AM, D Tucny d...@tucny.com wrote: 2009/4/10 Ed Avis e...@waniasset.com Pieren pieren3 at gmail.com writes:

Re: [OSM-talk] People's Map

2009-04-09 Thread D Tucny
I didn't actually calculate the field of view in degrees, because that would be harder at this time in the morning ;) working out how much area they would cover is pretty simple though if you are happy to guess what resolution camera they used... I went with a 10MP camera, such as a Canon EOS

Re: [OSM-talk] People's Map

2009-04-09 Thread Keith Ng
Ah. That made sense. A little rusty on the maths. Thanks. :) On Fri, Apr 10, 2009 at 12:34 PM, D Tucny d...@tucny.com wrote: I didn't actually calculate the field of view in degrees, because that would be harder at this time in the morning ;) working out how much area they would cover is