ashaw

color = Dir["./hermitage\ color/*"]
infra = Dir["./hermitage\ infra/*"]

start_color = 213
start_infra = 297

color_idx = 0
infra_idx = 0

def mk_filename(idx)

ashaw

# https://www.mapbox.com/blog/processing-landsat-8/
task :landsat_2014 => :environment do
  dirs = Dir["#{Rails.root.to_s}/db/initial/raster/*"].reject {|q| q =~ /tar\.gz/ }
  dirs.each do |dir|
    scene_id = dir.split("/")[-1]
    [4,3,2].each do |band|
      `gdalwarp -t_srs EPSG:3857 #{dir}/#{scene_id}_B#{band}.TIF #{dir}/#{scene_id}_B#{band}-projected.tif`
    end
    `convert -combine #{dir}/#{scene_id}_B{4,3,2}-projected.tif #{dir}/#{scene_id}_RGB-projected.tif && \
     convert -channel B -gamma 0.925 -channel R -gamma 1.03 -channel RGB -sigmoidal-contrast 50x16% #{dir}/#{scene_id}_RGB-projected.tif #{dir}/#{scene_id}_RGB-projected-corrected.tif && \

ashaw

def dms_to_coord(dms, latlng)
  re = latlng == 'lat' ? /^([\d]{2})([\d]{2})([\d]{2}(?:\.[\d]+)?)/ : /^([\d]{3})([\d]{2})([\d]{2}(?:\.[\d]+)?)/
  q = dms.split(re)
  q.shift
  d, m, s = q.map(&:to_f)
  res = d + m / 60 + s / 3600
  #yolo
  latlng == 'lng' ? "-#{res}" : res
end

ashaw

class RDB
  attr_reader :headers, :data

  def initialize(f)
    @file    = File.open(f).readlines
    @data    = @file.reject {|q| q =~ /^#/ }
    @headers = @data.shift.chomp.split("\t")
    @data.shift # remove schema line
    @data.map! {|q| q.chomp.split("\t")}
  end

ashaw

var Sankey = function(opts) {
  this.opts        = opts;
  this.el          = $("#" + this.opts.el);
  this.graphsReady = 0;
  this.graphWidth  = this.el.width();
};

Sankey.prototype.initPaper = function() {
  this.paper = Raphael(document.getElementById(this.opts.el));
};

ashaw

Tire Quality App: How Safe Are Your Tires?

Before you get to SF:

1. Install Rails. Unless a critical mass of people are Pythonistas, we'll use Rails. (We'll use all manner of other tools, depending on the Fellows' skills and interests) but, as a baseline, make sure Rails is installed and working on your machine before you show up. (Instructions are below.)
2. Send me a note (almshaw@gmail.com), or comment on this gist about what tools you like to use to build things, whether it be Ruby, Python, R, JavaScript, etc, and we'll adjust our stack to how most people like to do things.
3. Download the UTQGS data: http://cl.ly/0L2c152y2n2j, and take a look at it
4. Develop some questions about the data that you'd want to see in an app. Example questions that come to mind:

• What are the safety ratings of the country's best-selling tires?

ashaw

  def parse_date(d)
    d.strip.gsub(/[^\d\/]/,"") =~ /(^[\d]{1,2}\/[\d]{1,2}\/[\d]{2}$)/
    if $1
      m, d, y = $1.split("/")
      if y.to_i <= 13
        y = "20#{y}"
      else
        y = "19#{y}"
      end
      Date.strptime("#{m}/#{d}/#{y}", "%m/%d/%Y")

ashaw

namespace :transcribable do
  desc "Harvest documents to transcribe from DocumentCloud"
  task :harvest_kmiz => :environment do
    require 'rest-client'
    klass = Kernel.const_get(Transcribable.table.classify)
    result = JSON.parse(RestClient.get("http://www.documentcloud.org/api/search?q=contributedto%3Afreethefiles+station%3AKMIZ"))
    result['documents'].each do |doc|
      obj = klass.find_or_initialize_by_url("https://www.documentcloud.org/documents/#{doc['id']}")
      # don't plow over verified docs if rerunning the script
      obj.verified = false if obj.new_record?

ashaw

class DeepFinder
  attr_reader :accum

  def initialize(h, key)
    @accum = []
    @h     = h
    @key   = key
    dig @h
  end

ashaw

# http://rcbth.com/p/getting-an-oauth-token-for-your-twitter-bot
require 'rubygems'
require 'twitter_oauth'

client = TwitterOAuth::Client.new(
  :consumer_key     => 'BUH',
  :consumer_secret  => 'BUH'
)
request_token = client.request_token