robinkraft

>>> '''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]
... 
>>> 

robinkraft

# Compile/install GEOS. Taken from:
# http://grasswiki.osgeo.org/wiki/Compile_and_Install_Ubuntu#GEOS_2

cd /tmp
wget http://download.osgeo.org/geos/geos-3.4.2.tar.bz2
bunzip2 geos-3.4.2.tar.bz2
tar xvf  geos-3.4.2.tar

cd geos-3.4.2

robinkraft

Rainforest Connection

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.

Android apk
code

WattTime.com

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.

robinkraft

# install dependencies
sudo apt-get update
sudo apt-get install -y build-essential
sudo apt-get install -y cmake
sudo apt-get install -y libgtk2.0-dev
sudo apt-get install -y pkg-config
sudo apt-get install -y python-numpy python-dev
sudo apt-get install -y libavcodec-dev libavformat-dev libswscale-dev
sudo apt-get install -y libjpeg-dev libpng-dev libtiff-dev libjasper-dev

robinkraft

import unittest

from eesetup import utils

class Test(unittest.TestCase):
    def setUp(self):
        pass
    
    def test_geeAuth(self):
        result = utils.geeAuth()

robinkraft

(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)))

robinkraft

robinkraft

(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\" \"?\"]"

robinkraft

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):

robinkraft

/** 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'] {