question:mapping
question:mapping


Author Comment Last activity Moderation
patcoyle "Another approach is to look at the elevation shown for the cursor location in Google Earth Pro, as in this example (it is small, hard to see in the..." | Read more » about 1 year ago
liz "cool! thank you " | Read more » about 1 year ago
rebeccaMw "I found a free app for Apple devices that uses the GPS in your phone to determine the altitude of the specific area. It's called "My Altitude." It ..." | Read more » about 1 year ago
molangmuir10 " https://publiclab.org/notes/liz/02-28-2017/calculate-how-much-helium-you-ll-need-to-lift-your-camera " | Read more » over 3 years ago
Ag8n " Ref web.physics.ucsb.edu/~lecturedemonstrations/composer/pages/36.39-helium-filled balloon " | Read more » over 3 years ago
Ag8n " It depends on the weight of what you are trying to lift. At sea level, based on the ideal gas law, the amount you can lift is 1.02 g of pay load..." | Read more » over 3 years ago
stevie "Toxmap is helpful. the TRI database was down when I checked this evening. thanks for posting " | Read more » over 4 years ago
warren "And just connecting back to @marlokeno's question from a little ways back: https://publiclab.org/questions/marlokeno/09-02-2017/how-can-the-public..." | Read more » over 4 years ago
eben "Here's another option. https://toxmap.nlm.nih.gov/toxmap/ " | Read more » almost 5 years ago
nshapiro "www.scorecard.org was an early, but now defunct step towards that. also just my usual reminder that while EJ groups have been able to mobilize TRI ..." | Read more » almost 5 years ago
liz "Is the goal to see these sites on their map, or to pull the information to overlay on our map, or? " | Read more » almost 5 years ago
smmontgom "Great work! Can you get GPS signal in the bush or is the canopy too thick? You might check out https://akvo.org/ and http://www.mwater.co/ to see i..." | Read more » almost 5 years ago
jbreen "It's been awhile since I did any hydrologic mapping, but I think you can use <5m resolution digital elevation model (DEM) LiDAR data to predict ..." | Read more » almost 5 years ago
liz "Interesting! @geography76, any ideas from Planet Labs? @jbreen :) " | Read more » almost 5 years ago
CWells "Hi Liz, thanks for your reply. Some of the water sources are covered by trees and protected from the equatorial sun and dont dry up, but some are j..." | Read more » almost 5 years ago
liz "Dear Chris, it's inspiring to hear of your vision for Guinea Worm Eradication. To get started thinking about this, can the water sources be seen fr..." | Read more » almost 5 years ago
warren "@eustatic -- @shannon mentioned Gulf Monitoring Consortium has a ton of work on this -- do you have some links you could share if you have a moment..." | Read more » almost 5 years ago
warren "Oh, cool -- this page (https://www.epa.gov/enviro/envirofacts-data-service-api) shows this type of query, starting with a zip code prefix: https:/..." | Read more » almost 5 years ago
warren "Oh, and maybe Skytruth Alerts is a good place to go? But I'm not sure it does historical data: http://alerts.skytruth.org/ They do have an API: h..." | Read more » almost 5 years ago
warren "GitHub lists 7 projects: https://github.com/search?utf8=%E2%9C%93&q=toxics+release+inventory&type= But the EPA site seems only to offer JS..." | Read more » almost 5 years ago
yuvalsh "Hi, Thanks :-) I didn't find yet in leaflet's libraries but will keep looking there and in other places. " | Read more » almost 5 years ago
warren "That's a tough one -- I think you could look around on http://leafletjs.com -- i'm sure it's been done -- and potentially modify Leaflet.Distortabl..." | Read more » almost 5 years ago
yuvalsh "Yes, the main issue is the basemap rotation... " | Read more » almost 5 years ago
warren "Could you do this in MapKnitter.org? Or do you mean the basemap would need to be rotated too? " | Read more » almost 5 years ago