#geowebchat transcript, 6 October 2015: “armchair mapping”


@mappingmashups Oct 02, 10:18am Next #geowebchat we’ll discuss “armchair mapping”. What are the challenges in remote mapping for @openstreetmap? Tue Oct 6 12pm PDT. Pls RT!

@geoawesomeness Oct 02, 10:23am This #geowebchat seems really interesting! RSVP #GeoGeeks! Via @mappingmashups #geoawesomeness

@osmcbba Oct 03, 1:07pm Sigue el próximo #geowebchat: “mapeo de sillón” o “mapeo remoto”. Únete Mar 6 Oct 12h UTC-7. wiki.openstreetmap.org/wiki/Armchair_… via @mappingmashups

@mappingmashups Oct 05, 10:53am A fascinating (& long) email thread about remote mapping: lists.openstreetmap.org/pipermail/talk… relevant to our upcoming #geowebchat (Tue Oct 6, 12pm PDT)

@mappingmashups Oct 05, 10:57am RE remote mapping by @ricaji groundtruth.in/2015/06/05/osm… @gwilymeades place-memes.blogspot.de/2015/05/the-hu… @jbjensson joi.betra.is/?p=1769 #geowebchat

@mappingmashups Oct 06, 7:07am Today (Tue Oct 6) on #geowebchat we debate “armchair mapping” wiki.openstreetmap.org/wiki/Armchair_… What is it, & how do we do it well? Join us: noon PDT!

@mappingmashups Oct 06, 12:02pm Welcome everyone to today’s #geowebchat about remote mapping aka “armchair mapping” wiki.openstreetmap.org/wiki/Armchair_…

@mappingmashups Oct 06, 12:03pm As with every #geowebchat, make sure you use the hashtag in your tweets if you want to join the conversation. Or mute the hashtag to ignore.

@mappingmashups Oct 06, 12:05pm I recommend using a tool like @TweetChat to tweetchat.com/room/geowebchat to follow along with #geowebchat. Easier to track the conversation

@mappingmashups Oct 06, 12:05pm Two months ago on #geowebchat we discussed “outdoor mapping” mappingmashups.net/2015/08/04/geo… and many people asked, isn’t all mapping done outdoors?

@mappingmashups Oct 06, 12:07pm But especially in @openstreetmap, there is a lot of mapping you can do by tracing satellite imagery: hence “armchair mapping” #geowebchat

@mappingmashups Oct 06, 12:08pm I’d like to hear from those of you joining #geowebchat: who has done any remote mapping yourselves, for @TheMissingMaps or @hotosm perhaps?

@mappingmashups Oct 06, 12:10pm For #geowebchat on remote mapping, some provocative arguments challenging the idea: groundtruth.in/2015/06/05/osm… and place-memes.blogspot.de/2015/05/the-hu…

@AngharadStone Oct 06, 12:13pm @mappingmashups besides armchair mapping – are we also considering modelling mapping? Ie landslide or flood risk areas? #geowebchat

@mappingmashups Oct 06, 12:14pm @AngharadStone Interesting Q. Is there a way someone would do the modeling differently if they were on the scene vs remote? #geowebchat

@mappingmashups Oct 06, 12:16pm @AngharadStone armchair mapping is controversial for 2 reasons: 1) that remote ppl don’t know the situation on the ground… #geowebchat

@mappingmashups Oct 06, 12:16pm @AngharadStone …and 2) that remote mappers would displace or discourage local people from doing the mapping themselves #geowebchat

@mappingmashups Oct 06, 12:19pm @GeoCensos interesting article! Do you think that using local social media feeds is a way to get locals involved in mapping? #geowebchat

@AngharadStone Oct 06, 12:19pm @mappingmashups #geowebchat Do you have any evidence of remote mappers discouraging ground surveying?

@mapperz Oct 06, 12:20pm @AngharadStone @mappingmashups Flood Risk Mapping Polygons wrapped up with #geoserver #openlayers #geowebchat …od-warning-information.service.gov.uk/map #map

@ricaji Oct 06, 12:23pm It’s not necessarily a case of remote mappers discouraging. It’s more a case of too little support going to local mappers. #geowebchat

@mappingmashups Oct 06, 12:23pm @AngharadStone In the #OSM email thread there are many theories, but little evidence either way. lists.openstreetmap.org/pipermail/talk… #geowebchat

@mappingmashups Oct 06, 12:24pm Regarding #geowebchat, it looks like there’s a #missingmaps #mapathon happening in London as we speak! @inderpaldsingh @ukpwhite

@ricaji Oct 06, 12:26pm In some places can be tricky to create local ownership of the map as well and build local volunteer community.
#geowebchat

@AngharadStone Oct 06, 12:26pm @mappingmashups #geowebchat Ok back to the main topic – do people consider the possible issues tracing aerial imagery? Eg tree cover

@mappingmashups Oct 06, 12:28pm @ricaji Maybe “discouraging” is the wrong word. It’s that remote mappers pre-empt a local map that would’ve evolved differently #geowebchat

@mappingmashups Oct 06, 12:29pm @AngharadStone Certainly that’s an issue. And in OSM there is also the frequent problem of misaligned or out-of-date imagery. #geowebchat

@TheMissingMaps Oct 06, 12:30pm @mappingmashups @inderpaldsingh @ukpwhite hi guys, remote mapping two areas of Congo tonight…. Big wave to #geowebchat gang!

@mappingmashups Oct 06, 12:30pm @AngharadStone Those are problems that even someone mapping a nearby town would face if they’re not skilled w/ aerial imagery #geowebchat

@mappingmashups Oct 06, 12:31pm @TheMissingMaps Which @hotosm tasks are you doing, out of curiosity? #geowebchat

@ricaji Oct 06, 12:32pm Remote mapping won’t ever be able to capture names which are of course key. So always needs to be combined with local knowledge. #geowebchat

@mappingmashups Oct 06, 12:32pm @AngharadStone Even if you are skilled w/ tree cover (for ex) remote mappers might interpret foreign buildings/paths/etc wrong #geowebchat

@mappingmashups Oct 06, 12:35pm @ricaji Yes! I’m curious about: is it easier to add names to existing roads? Or less fun? Too hard to see when they’re missing? #geowebchat

@neogeografen Oct 06, 12:38pm @mappingmashups We also have to fix the name problem – lots of ppl thinks OSM is a english project then lang=eng too @ricaji #geowebchat

@AngharadStone Oct 06, 12:39pm #geowebchat @ricaji @mappingmashups even on the ground naming is really hard to get right – we have several River Avon’s (= River river)

@ricaji Oct 06, 12:40pm It’s easier to add names, but, more fun to add the road IMO :) Of course, in contested spaces this is much more important. #geowebchat

@notoncebut2x Oct 06, 12:42pm @ricaji #geowebchat Yeah I am more likely to add buildings and features than attribute data in @openstreetmap especially if I am more remote

@ricaji Oct 06, 12:42pm (Of course it’s not that simple. @mapkibera had some initial tracing support to give some orientation to first mappers.) #geowebchat

@ricaji Oct 06, 12:43pm I think linking remote – local (people2people) is key also not getting stuck into a one size fits all process for each locale. #geowebchat

@ricaji Oct 06, 12:49pm For instance linking this local volunteer qub.me/IGB_2V to armchair folks opens up new opportunities… #geowebchat

@GeoCensos Oct 06, 1:00pm @ricaji Agree, and it builts up the vital need of “belonging to” a certain project and btw community #geowebchat

@mappingmashups Oct 06, 1:00pm Well, we’ve reached the end of our hour at #geowebchat (I had to duck out at the end there, sorry I couldn’t keep the conversation going)

@Zjwarie Oct 06, 1:00pm Just bumping on you interesting discussion! Here you have my opinion on the subject: openstreetmap.org/user/Jorieke%2… #geowebchat

@mappingmashups Oct 06, 1:01pm Thanks everybody for joining #geowebchat today. The transcript will be posted at mappingmashups.net soon. Feel free to keep chatting!

@mappingmashups Oct 06, 1:02pm Next #geowebchat will be in one month (Nov 3), same time. @GeoCensos will be our guest host to discuss open #geodata & national map orgs!

@ricaji Oct 06, 1:03pm @Zjwarie OK now summarize into a few tweets :) #geowebchat

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