| /** simple visualization */ | |
| #imazon_clean [data_type='defor'] { | |
| polygon-fill:#F69; | |
| polygon-opacity: 1; | |
| line-opacity:1; | |
| line-color: #F69; | |
| line-width: 2; | |
| } | |
| #imazon_clean [data_type='degrad'] { |
| import os | |
| import sys | |
| import requests | |
| basefname = 'Hansen_GFC2013_lossyear_%d%s_%03d%s.tif' | |
| baseurl = 'http://commondatastorage.googleapis.com/earthenginepartners-hansen/GFC2013/%s' | |
| def download(url, output): |
| (use 'cascalog.api) | |
| (require '[cascalog.ops :as c]) | |
| (defn field-parser | |
| "Convert a string to a fieldname string. If string already | |
| starts with `?` or `!`, return the string directly. | |
| Usage: | |
| (field-parser [\"a\" \"b\"]) | |
| ;=> [\"?a\" \"?\"]" |
| x | y | z | p | |
|---|---|---|---|---|
| 50064 | 72706 | 17 | 71 | |
| 50064 | 72705 | 17 | 72 |
| (defn sum-xyz | |
| [] | |
| (<- [?x ?y ?z ?period ?count :> ?x2i ?y2i ?z-new ?sum] | |
| (/ ?x 2 :> ?x2) | |
| (/ ?y 2 :> ?y2) | |
| (math/floor ?x2 :> ?x2i) | |
| (math/floor ?y2 :> ?y2i) | |
| (dec ?z :> ?z-new) | |
| (c/sum ?count :> ?sum))) |
Uses old Android phones to listen for chainsaws. EcoHack 2014 project added realtime SMS alerts & app for park rangers, as well as an impressive dramatization of intended usage.
Shift your energy use to times when it's green. WattTime started at EcoHackSF 2013, and used EcoHack World to add support for water/carbon impact of energy generation.
| >>> '''launch python repl with ./bin/pyspark''' | |
| 'launch python repl with ./bin/pyspark' | |
| >>> import rasterio as rio | |
| >>> | |
| >>> def img_size(path): | |
| ... with rio.drivers(): | |
| ... with rio.open(path) as img: | |
| ... return [img.width, img.height] | |
| ... | |
| >>> |
| import ee | |
| # based on https://ee-api.appspot.com/cd2e21cd508327c5eb92ce57809f1360 | |
| def main(): | |
| # speciesData = ee.FeatureCollection( | |
| # 'ft:14QQnwJVRPYXdhb4sRqaDblVRclbMxmew1rQCYig6') | |
| # collection = ee.ImageCollection( | |
| # 'MODIS/MOD13Q1').filterDate('2000-02-24', '2014-07-01') |
| import sys | |
| import requests | |
| import multiprocessing | |
| URL = 'http://forma-cs-validation.elasticbeanstalk.com/api/alerts/next/cache' | |
| def f(a): | |
| try: | |
| r = requests.get(URL) |
| # global sum of loss and gain by year | |
| # note that the gain is the same each year (it is total gain / 12), so if you want total gain | |
| # you need to add up all the gain values, or multiply one of them by 12 | |
| SELECT year, | |
| Sum(loss) loss, | |
| Sum(gain) gain | |
| FROM umd_nat | |
| WHERE thresh = 10 | |
| AND year > 2000 | |
| GROUP BY year |