grassrootsmapping
grassrootsmapping


Author Comment Last activity Moderation
Philgib "Hi, Great project. I do multi rotors, rc planes, blimp and kite pics. Your pictures will be 100 times better with a Mobius, plus a waterproof ca..." | Read more » almost 10 years ago
ajawitz "RE:-High Winds- Has anyone posted a note about making a DIY wind speed meter? It would've been handy to get a rough idea of how close I was to t..." | Read more » almost 10 years ago
ajawitz "RE: Kite Reels and Line- It was definitely 50 Ibs line but now that I know better I made sure to order a Yo Yo Reel with 150 Ibs Dacron this time..." | Read more » almost 10 years ago
ajawitz "RE: Mapknitter- I converted the images to JPGs and uploaded them again. The export status dialog then reads (Status: Warping 1 of 6, 2 of 6 etc...." | Read more » almost 10 years ago
warren "Indeed there's something about the images themselves. I hate to ask, but could you try to convert them to jpg and re-upload them? I'm very sorry bu..." | Read more » almost 10 years ago
warren "I can't tell if there's something it's choking on in your images (maybe 'cause they were screenshots from VLC?) or it's having trouble downloading ..." | Read more » almost 10 years ago
warren "Hmm, i'm not sure what's going on with that mapknitter export. Looking into it... thanks! " | Read more » almost 10 years ago
cfastie "Great report. The mini bottle and 3D printed Picavet will go in the Public Lab record books. And what a fantastic place to fly. Is that public land..." | Read more » almost 10 years ago
mathew "We generally prefer the manual "yo-yo" reels because of their durability. Those little winders you're using definitely break at high loads. I hav..." | Read more » almost 10 years ago
ajawitz "Don't get me wrong. I didn't mean to come off as "the drone guy" (and every DIY tech forum seems to have one these days...) I think my intended p..." | Read more » almost 10 years ago
mathew "@erget awesome! can you join the plots-dev list and we can coordinate on there? A while group of Google Summer of Code students are joining our Dev..." | Read more » almost 10 years ago
mathew "Nice thinking Chris. @code4maine I don't mean to discourage you from acquiring a quad, I just really like kites, and think of coastal areas (even ..." | Read more » almost 10 years ago
ajawitz "cfastie- That seems like the best approach yet. I'm going to forward your suggestion to the teacher in charge of field collections though we might ..." | Read more » almost 10 years ago
cfastie "If you have Garmin GPS units, there might be a better way for students to georeference photos. If the Garmin units save track logs, with a waypoint..." | Read more » almost 10 years ago
erget "@code4maine - I haven't submitted a research note, unfortunately. What you describe, however, is pretty similar to what I'm planning. I have to say..." | Read more » almost 10 years ago
mathew "You're right that if you put together a kit there are some quads around $500 that are fairly capable, but there is some significant setup involved ..." | Read more » almost 10 years ago
ajawitz "$300 would admittedly be a challenge, but a $500 quad with decent lift and up to an hour of flight time is not only possible, I've seen it done a n..." | Read more » almost 10 years ago
mathew "@code4maine a $300-400 quad will hardly fly long enough to map much (10 minutes), and is likely to get blown going to get blown away in the wind. ..." | Read more » almost 10 years ago
mathew "@erget-- are you using entirely matched stereo pairs, or are you moving to do a SFM-style unmatched parallax extraction? We have a big team worki..." | Read more » almost 10 years ago
mathew "@code4maine-- certainly, doing bluetooth coupling with a home-built Gps unit and the rest sounds like a bit of a pain in the field. I'd just take..." | Read more » almost 10 years ago
ajawitz "That sounds like a very interesting project! Have you submitted a research note for it? I for one would definitely be interested in exploring DIY ..." | Read more » almost 10 years ago
erget "If you're wanting to use a multicoper for mapping, I'm working on automating many parts of that workflow for my dissertation. By the end of the sum..." | Read more » almost 10 years ago
ajawitz "That sure would be amazing if all we had to do was take a picture with the iPads the students are using to get coordinates! But my guess is we wou..." | Read more » almost 10 years ago
mathew "One of the other features we're adding to mapknitter is that it will recognize the geo coordinates stored in images' EXIF data, and the ability to ..." | Read more » almost 10 years ago