Re: [HOT] newbie needs advice

Springfield Harrison Thu, 21 May 2015 22:05:44 -0700

Hello Kretzer,

        Sorry for the slow reply here. Thanks for your comments.

        However, a database of spatial information is a GIS. To me, this implies some degree of rigour in both the data and geographical elements.

        But, if it succeeds in spite of these deficiencies then that is good. I'm not sure how effective the crowd can be in identifying potential helipads, it may be more efficient for the experts just to have at it from the beginning. Not knowing what they're looking for, the crowd may well steer the experts away from qualified sites. To avoid this pitfall, the experts pretty well have to scan the whole tile anyway.

Thanks again, Cheers . . . . . . . . Spring

At 06-05-2015 03:00 Wednesday, Kretzer wrote:

Hi Spring,
OpenStreetMap is definitely not a military style organisation ... I think it's not even a GIS-project in the stricter sense (rather a open database of spatial information).

But I also think it IS a success. Like Wikipedia it is often chaotic, it is very often inconsistent and yet I am often in awe how much such a huge, unorganised crowd of volunteers can achieve - in both cases you get a wealth of information that you won't find from any commercial source. And that information can grow and improve organically, even if it naturally includes a lot of trial and error.

It is just a very differnt system. I guess it helps to keep that in mind to inform your expectations. I like Michaels explanation that the crowd can do a lot to prepare the information (like *potential* landing sites, to prepare the groud for the experts).

Gesendet: Mittwoch, 06. Mai 2015 um 07:41 Uhr Von: "Springfield Harrison" <stellar...@gmail.com> An: "Denis Carriere" <carriere.de...@gmail.com>, "HOT@openstreetmap.org" <hot@openstreetmap.org> Betreff: Re: [HOT] newbie needs advice
Hello Master Cpl. Carriere, OK, glad to hear that. From the list of problems and concerns brought forward on the twitter session earlier, it definitely sounded like accuracy and consistency of the OSM editing might be suspect. Dragging their photos around to force the alignment of different features gives me the willies. What if the next volunteer drags it off in another direction? For me, this is a whole new loose approach to GIS which I have always thought of as highly disciplined and structured. However, if your hardcopy printouts are useful to the field crews, that is good. As a new person looking on from the edges and trying a few edits, the process does look a bit sketchy, but if it works, it works. As a 30+ year helicopter pilot, I did have some concern with the very skimpy helipad instructions. In high-altitude, rugged terrain there is much more to locating helipads than finding a 30 m flat square of ground. Is there any technical oversight by experienced pilots on this task? I assume that there are no current maps for this area, just the OSM edits? I did find some ASM 1950s mapping. Is there nothing newer than that? Thank you, Cheers . . . . . . . . Spring Harrison At 05-05-2015 21:20 Tuesday, Denis Carriere wrote:

I'm not sure if succesful GIS is a crowd activity. I've asked but heard nothing about the end use of all this activity.Â Is it serving the folks on the ground? OSM crowd activity is very successful, speaking from the Canadian Forces DART deployed on the ground. I've printed so far 300+ hardcopy maps all made with 100% OSM data for people deployed in remote locations. @OSM Community: Keep up the great work! It's really making a difference! ~~~~~~ Denis, MCpl Carriere Canadian Forces GIS Project Manager OP Renaissance Nepal 2015 Twitter:Â @DenisCarriere OSM: DenisCarriere Email: carriere.de...@gmail.com

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