grassrootsmapping
grassrootsmapping


Author Comment Last activity Moderation
eustatic "waay coool " | Read more » over 9 years ago
patcoyle "Neat stuff! " | Read more » over 9 years ago
ajawitz "I'd definitely like to learn more about optical windows. I was actually preparing for something very similar to what you suggest since I didn't exp..." | Read more » over 9 years ago
cfastie "That is correct that a red filter seems to work much better than a blue filter in a Mobius. The conversion Jeff cited is just for removing the IR b..." | Read more » over 9 years ago
warren "We'll soon be shipping red filters (Rosco #17 "Fire") in the filter kits too, but just need to update the documentation. For conversion, definitely..." | Read more » over 9 years ago
ajawitz "Now I'm really curious to try this with Infragram! Warren- Am I correct in guessing that the Infrablue pack of IR filters will not work with the M..." | Read more » over 9 years ago
ajawitz "Thats funny because I stumbled into this project while trying to adapt Scott's/Eustatic's floating KAP rig to the Mobius- http://publiclab.org/note..." | Read more » over 9 years ago
Shannon "Really interesting! Eustatic (Scott Eustis) and I talked about trying to figure this out years ago to do mapping of grass beds off Florida. " | Read more » over 9 years ago
warren "So cool!!!! " | Read more » over 9 years ago
warren "I've recently used just a flag-shaped piece of foam core and a swivel to stabilize my Mobius (infragram p+s) and it worked pretty well, although I ..." | Read more » almost 10 years ago
ajawitz "Very True. In fact I'd have no other choice since my Printrbot Simple can only print about 4x4x4 anyway. Unfortunately, I won't be printing much ..." | Read more » almost 10 years ago
mathew "I flew the mobius on a redstone rig, but the rig was overkill--- weighing twice what the camera did. I bet just scaling it down to closer to the m..." | Read more » almost 10 years ago
warren "Hmm, trying again now: https://mapknitter.org/map/view/pottskaptest2/ It worked this time! Not sure what your last error was but it seems converti..." | Read more » almost 10 years ago
mathew "On anemometers-- learn the Beaufort scale and watch the tops of trees-- since wind speed on the ground is less important than high up, Beaufort is ..." | Read more » almost 10 years ago
mathew "I haven't seen anyone doing orthorectification with Open CV. MicMac is the only toolchain I know of it include 3D construction and orthorectificat..." | Read more » almost 10 years ago
ajawitz "Also a brief search into OpenCV and 3D Aerial Photography yielded some promising results- This post on Stack Exchange almost seems like it came fro..." | Read more » almost 10 years ago
cfastie "That's good to know that structure from motion works with wide angle photos. It sounds like you have to correct the distortion first. It doesn't se..." | Read more » almost 10 years ago
ajawitz "Now I can't wait to get back in the air because I really want to compare the Bimp+Gimp combo to DigiKam. I have a slight suspicion that DigiKam po..." | Read more » almost 10 years ago
Philgib ""The lens is very wide, so stitching maps from multiple low altitude photos produces poor results" Sorry for not being clear enough. Gimp + Bimp ..." | Read more » almost 10 years ago
cfastie "That is an excellent Mobius photo. The Mobius is so lightweight that there is no reason not to include one on every flight. The lens is very wide, ..." | Read more » almost 10 years ago
Philgib "Sorry two more things for you : - make sure you use pulleys and proper pulleys string on your picavet. Brooxes.com is the place. My picavet / pulle..." | Read more » almost 10 years ago
Philgib "That is the "black island" from Tintin album cover. My multicopter is hand made with super cheap material, it is therefore vibrating a lot. From a ..." | Read more » almost 10 years ago
Philgib "Links to waterproof case (the only case I am aware of ) Video : https://www.youtube.com/watch?v=sy8ONQOhha8 Purchase : https://joovuu.com/gb/home/1..." | Read more » almost 10 years ago
ajawitz "Thank you for the interesting recommendations. I actually just got my Mobius today and will be printing out various components for the rig. Can y..." | Read more » almost 10 years ago