I do work with Public Lab and have a fair amount of experience with the balloon mapping tools. I've not used PL tools to bring imagery into OSM, but my colleague at PL, Liz Barry, gave a talk on the topic at SOTM-US this year: http://vimeopro.com/openstreetmapus/state-of-the-map-us-2013/video/68100204
The Grassroots Mapping listserv might be a good place for questions: https://groups.google.com/forum/#!forum/grassrootsmapping (I'm, of course, happy to answer questions, but these folks have been at it longer than me and doubtlessly know more than I do.) Also, Stewart Long, one of the founders of Public Lab, is an aerial imagery wizard and probably knows a whole lot about this: http://publiclab.org/profile/gonzoearth Cheers, Jessi On Mon, Oct 28, 2013 at 11:21 AM, Nelson Minar <nel...@monkey.org> wrote: > Has anyone here used balloon mapping or these tools (or similar ones) who >> can share experience, pitfalls, etc.? >> > > Public Labs is terrific. I think it shares a similar spirit to OSM in > trying to demystify mapping, to put cartographic tools into the hands of > ordinary people. > > Last year I tagged along on a weekend excursion to produce a high > resolution aerial image of Dolores Park in San Francisco. I wrote that > experience up on a blog post, also see below for a link to a Leaflet map of > the image (albeit with no cartographic base map for context, sorry.) > http://www.somebits.com/weblog/tech/photo/dolores-park-aerial-map.html > http://visuallybs.com/maps/balloon/ > > Those images were taken from a height of 200 or 400 feet. At that height > with ordinary cameras you get a very narrow field of view, good for > photographing individual people but not so useful for tracing a road > network. It's a great technology for taking specific, up-to-the-day images > of particular points of interest. > > One specific tool worth looking into is MapKnitter, web-based software for > compositing multiple aerial images, correcting perspective, stitching, etc. > Details at URL below, the video is a good intro to how it works. > http://mapknitter.org/ > > I wonder if there's a DIY drone community out there also playing with > aerial imagery. > > > _______________________________________________ > Talk-us mailing list > Talk-us@openstreetmap.org > https://lists.openstreetmap.org/listinfo/talk-us > > -- Jessica Breen PhD Student University of Kentucky Department of Geography 1422 Patterson Office Tower Lexington, KY 40506 uky.academia.edu/JessicaBreen
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