Národnosti v regionech České Republiky (Bubble Chart)

d3.v3.min.js

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isNaN(n)?null:n},yi.toString=Ko.toString,Ci.time.second=Mi(function(t){return new qo(1e3*Math.floor(t/1e3))},function(t,n){t.setTime(t.getTime()+1e3*Math.floor(n))},function(t){return t.getSeconds()}),Ci.time.seconds=Ci.time.second.range,Ci.time.seconds.utc=Ci.time.second.utc.range,Ci.time.minute=Mi(function(t){return new qo(6e4*Math.floor(t/6e4))},function(t,n){t.setTime(t.getTime()+6e4*Math.floor(n))},function(t){return t.getMinutes()}),Ci.time.minutes=Ci.time.minute.range,Ci.time.minutes.utc=Ci.time.minute.utc.range,Ci.time.hour=Mi(function(t){var n=t.getTimezoneOffset()/60;return new qo(36e5*(Math.floor(t/36e5-n)+n))},function(t,n){t.setTime(t.getTime()+36e5*Math.floor(n))},function(t){return t.getHours()}),Ci.time.hours=Ci.time.hour.range,Ci.time.hours.utc=Ci.time.hour.utc.range,Ci.time.day=Mi(function(t){var n=new qo(1970,0);return n.setFullYear(t.getFullYear(),t.getMonth(),t.getDate()),n},function(t,n){t.setDate(t.getDate()+n)},function(t){return t.getDate()-1}),Ci.time.days=Ci.time.day.range,Ci.time.days.utc=Ci.time.day.utc.range,Ci.time.dayOfYear=function(t){var n=Ci.time.year(t);return Math.floor((t-n-6e4*(t.getTimezoneOffset()-n.getTimezoneOffset()))/864e5)},Co.forEach(function(t,n){t=t.toLowerCase(),n=7-n;var e=Ci.time[t]=Mi(function(t){return(t=Ci.time.day(t)).setDate(t.getDate()-(t.getDay()+n)%7),t},function(t,n){t.setDate(t.getDate()+7*Math.floor(n))},function(t){var e=Ci.time.year(t).getDay();return Math.floor((Ci.time.dayOfYear(t)+(e+n)%7)/7)-(e!==n)});Ci.time[t+"s"]=e.range,Ci.time[t+"s"].utc=e.utc.range,Ci.time[t+"OfYear"]=function(t){var e=Ci.time.year(t).getDay();return Math.floor((Ci.time.dayOfYear(t)+(e+n)%7)/7)}}),Ci.time.week=Ci.time.sunday,Ci.time.weeks=Ci.time.sunday.range,Ci.time.weeks.utc=Ci.time.sunday.utc.range,Ci.time.weekOfYear=Ci.time.sundayOfYear,Ci.time.month=Mi(function(t){return t=Ci.time.day(t),t.setDate(1),t},function(t,n){t.setMonth(t.getMonth()+n)},function(t){return t.getMonth()}),Ci.time.months=Ci.time.month.range,Ci.time.months.utc=Ci.time.month.utc.range,Ci.time.year=Mi(function(t){return t=Ci.time.day(t),t.setMonth(0,1),t},function(t,n){t.setFullYear(t.getFullYear()+n)},function(t){return t.getFullYear()}),Ci.time.years=Ci.time.year.range,Ci.time.years.utc=Ci.time.year.utc.range;var Wo=[1e3,5e3,15e3,3e4,6e4,3e5,9e5,18e5,36e5,108e5,216e5,432e5,864e5,1728e5,6048e5,2592e6,7776e6,31536e6],Qo=[[Ci.time.second,1],[Ci.time.second,5],[Ci.time.second,15],[Ci.time.second,30],[Ci.time.minute,1],[Ci.time.minute,5],[Ci.time.minute,15],[Ci.time.minute,30],[Ci.time.hour,1],[Ci.time.hour,3],[Ci.time.hour,6],[Ci.time.hour,12],[Ci.time.day,1],[Ci.time.day,2],[Ci.time.week,1],[Ci.time.month,1],[Ci.time.month,3],[Ci.time.year,1]],tc=[[Ci.time.format("%Y"),o],[Ci.time.format("%B"),function(t){return t.getMonth()}],[Ci.time.format("%b %d"),function(t){return 1!=t.getDate()}],[Ci.time.format("%a %d"),function(t){return t.getDay()&&1!=t.getDate()}],[Ci.time.format("%I %p"),function(t){return t.getHours()}],[Ci.time.format("%I:%M"),function(t){return t.getMinutes()}],[Ci.time.format(":%S"),function(t){return t.getSeconds()}],[Ci.time.format(".%L"),function(t){return t.getMilliseconds()}]],nc=Ci.scale.linear(),ec=Si(tc);Qo.year=function(t,n){return nc.domain(t.map(Ei)).ticks(n).map(ki)},Ci.time.scale=function(){return xi(Ci.scale.linear(),Qo,ec)};var rc=Qo.map(function(t){return[t[0].utc,t[1]]}),uc=[[Ci.time.format.utc("%Y"),o],[Ci.time.format.utc("%B"),function(t){return t.getUTCMonth()}],[Ci.time.format.utc("%b %d"),function(t){return 1!=t.getUTCDate()}],[Ci.time.format.utc("%a %d"),function(t){return t.getUTCDay()&&1!=t.getUTCDate()}],[Ci.time.format.utc("%I %p"),function(t){return t.getUTCHours()}],[Ci.time.format.utc("%I:%M"),function(t){return t.getUTCMinutes()}],[Ci.time.format.utc(":%S"),function(t){return t.getUTCSeconds()}],[Ci.time.format.utc(".%L"),function(t){return t.getUTCMilliseconds()}]],ic=Si(uc);return rc.year=function(t,n){return nc.domain(t.map(Ni)).ticks(n).map(Ai)},Ci.time.scale.utc=function(){return xi(Ci.scale.linear(),rc,ic)},Ci}();

index.html

<!DOCTYPE html>
<html>
<head>
  <title>Population and Nationality (Bubble Chart)</title>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
  <style>
    body {
      font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
      margin: auto;
      position: relative;
      width: 940px;
    }

    #application {
      background: #e7f0f6;
      border-radius: 0.5em;
      position: relative;
      margin: 2em;
    }

    #application h1 {
      color: #2d2f30;
      font-weight: 300;
      text-shadow: 0 1px 0 #fff;
      padding: 1em 0 0 0;
      margin: 0;
      bottom: 10px;
      left: 0.8em;
      position: absolute;
    }

    #toggle_nationality,
    #choose_region {
      font-size: 12px;
      color: #333;
      background-color: #fafafa;
      padding: 1em;
      border-radius: 0.5em;
      position: absolute;
      box-shadow: 0 1px 0 #ccc;
    }

    #toggle_nationality {
      top: 2em;
      left: 2em;
    }

    #choose_region {
      top: 2em;
      left: 12em;
    }

    #choose_region div {
      padding: 0.25em 0;
      margin: 0.25em 0;
    }
    #choose_region div a {
      color: #333;
      background: #ccc;
      padding: 0.25em;
      border-radius: 0.25em;
    }
    #choose_region div a:hover,
    #choose_region div a.active {
      color: #ccc;
      background: #333;
      cursor: pointer;
    }

    #chart {
      padding: 2em 2em 3em 4em;
      position: relative
      width: 600px;
      height: 600px;
    }

    .node {
      border: solid 1px white;
      font: 10px sans-serif;
      text-anchor: middle;
      stroke-width: 1px;
    }

    .node text.label {
      font-size: 12px;
      font-weight: bold;
    }
    .node text.amount,
    .node text.percent {
      fill: #444;
      font-size: 10px;
      font-weight: normal;
    }
    .node text.amount {
      fill-opacity: 0.6;
    }
  </style>
</head>
<body>
  <div id="application">
    <div id="toggle_nationality"></div>
    <div id="choose_region"></div>
    <svg id="chart"></svg>
    <h1>Národnosti v České Republice | 2011</h1>
  </div>

  <script src="d3.v3.min.js"></script>
  <script>
  var data   = null
    , width  = 940
    , height = 500

    , color = d3.scale.category20()

    , layout = d3.layout.pack()
        .size([width, height])
        .value(function(d) { return d.size; })

    , chart  = d3.select("#chart")
    , toggle_nationality = d3.select("#toggle_nationality")
    , choose_region      = d3.select("#choose_region")

    , current_region     = 'Celá ČR'

  function draw(data) {
      // console.log(data)
      var visible_data = data[current_region].filter(function(e) { return e.visible })
        , total    = d3.sum(visible_data.map(function(e) {return e.size}))
        , node     = chart.selectAll(".node")
                       .data( layout({children: visible_data}), function(d) { return d.name } )
        , checkbox = toggle_nationality.selectAll("input")
                       .data(data[current_region], function(d) { return d.name }).enter().append("div")
        , menu     = choose_region.selectAll("a")
                       .data(Object.keys(data)).enter().append("div")

        , __redraw = function(d) {
            // Collect all checkboxe states
            var checkboxes = toggle_nationality.selectAll("input")[0]
                                   .reduce( function(previous, current, index) {
                                      previous[current.name]=current.checked
                                      return previous
                                   }, {})

            // Set nationality visibility by checkbox state
            for (region in data) {
              data[region] = data[region].map(function(e) {
                e.visible = checkboxes[e.name]
                return e
              })
            }

            draw(data)
          }

      chart
        .style("width", width)
        .style("height", height)

      var n = node.enter()
           .append("g")
            .attr("class", "node")
            .attr("name", function(d) { return d.name })
            .style("display", function(d) { return d.name ? 'auto' : 'none' })
            .attr("transform", function(d) { return "translate(" + width/2 + "," + height/2 + ")" })

      n.on("mouseover", function(d) {
        // Show label
        d3.select(this).selectAll("text").style("display", "inline")
      })
      n.on("mouseout", function(d) {
          // Hide label when we're in small bubble
          d3.select(this).selectAll("text")
            .style("display", function(d) { return d.name.length*4 < d.r ? 'inline' : 'none' })
      })

      n.append("circle")
            .style("background", function(d) { return color(d.name) })
            .style("fill", function(d) { return color(d.name) })
            .style("-webkit-svg-shadow", function(d) { return "0 1px 0 "  + d3.rgb(color(d.name)).darker()  })
            .on("click", function(d) {
              d3.selectAll("#toggle_nationality input#checkbox-"+d.name)
                .each(function() { d3.select(this)[0][0].checked=false })
                .each(__redraw)
            })

      n.append("text")
        .classed("label", true)
        .style("fill", function(d) { return d3.rgb(color(d.name)).darker().darker().darker() })
        .style("text-shadow", function(d) { return "0 1px 0 " + d3.rgb(color(d.name)).brighter() })

      n.append("text")
        .classed("amount", true)
        .style("fill", function(d) { return d3.rgb(color(d.name)).brighter().brighter() })
        .attr("dy", "-16px")

      n.append("text")
        .classed("percent", true)
        .style("fill", function(d) { return d3.rgb(color(d.name)).brighter().brighter() })
        .attr("dy", "14px")

      node
        .exit()
          .remove()

      node
        .transition()
        .attr("transform", function(d) { return "translate(" + d.x + "," + d.y + ")" })

      node.select("circle")
        .transition()
        .attr("r", function(d) { return d.r })

      node.select("text.label")
        .text(function(d) { return d.name })
      node.select("text.amount")
        .text(function(d) { return d3.format("n")( d.size ) })
      node.select("text.percent")
        .text(function(d) { return d3.format("0.2p")( d.size/total ) })

      node.selectAll("text")
        // Hide labels in small bubbles
        .style("display", function(d) { return d.name && d.name.length*4 < d.r ? 'inline' : 'none' })

      checkbox.append("input")
        .attr("type", "checkbox")
        .attr("checked", true)
        .attr("name", function(d) { return d.name })
        .attr("id", function(d) { return "checkbox-" + d.name })
        .on("click", __redraw)

      checkbox.append("label")
        .attr("for", function(d) { return "checkbox-" + d.name })
        .text(function(d) { return d.name })

      menu.append("a")
        .text(function(d) { return d })
        .on("click", function(d) {
          current_region = d
          draw(data)
        })
      d3.selectAll("#choose_region a")
        .attr("class", function(d) { return d === current_region ? 'active' : '' })

      return chart
    }

  d3.csv('population-nationality.csv', function(csv) {
    data = csv
      .reduce(function(previous, current, index) {
        // Setup object for each region
        if (!previous[current.region]) previous[current.region] = []
        // Add region data
        previous[current.region].push(current)

        return previous
      }, {})

    for (var prop in data) {
      data[prop] = data[prop]
        .map(
          // Map data to customized object
          function(d) {
            return { visible: true, name: d['národnost'], size: parseInt(d['celkem'])+ parseInt(d['nezjištěno'])
          }
        })
        .filter(
          // Filter unwanted values
          function(d) { return d.name != 'všechny' }
        )
    }

    draw(data)
  })
  </script>
</body>
</html>

population-nationality.csv

Rakefile

task :default => :run

# Serving files via Rack

desc "Serve the files via Rack and Thin"
task :run => [:dependencies] do
  port = ENV['PORT'] || 8000
  puts "Launching local webserver at <http://localhost:#{port}> ...", "-"*80

  begin
    Thin::Logging.silent = true
    Thin::Server.start port, lambda { |env|
      if env['PATH_INFO'] == '/'
        [200, {'Content-Type' => 'text/html'}, File.new('index.html')]
      else
        Rack::Directory.new('.').(env)
      end
    }
  rescue Exception => e
    if e.message =~ /no acceptor/
      puts "[!] Port #{port} not available, trying next one...", ""
      port += 1
      puts "Launching local webserver at <http://localhost:#{port}> ...", "-"*80
      retry
    end
    raise
  end
end

task :dependencies do
  %w| rack thin |.each do |lib|
    begin
      require lib
    rescue LoadError
      puts "[!] Required gem '#{lib}' not found, please install it with:", "",
           "    $ gem install #{lib}", "",
           "-"*80
      raise
    end
  end
end

# Stepping through the tutorial

begin
  require 'term/ansicolor'
  class String
    include Term::ANSIColor
  end
rescue LoadError
  class String
    def black; self; end
    def on_green; self; end
    def on_yellow; self; end
  end
end

_ = '-'*80

desc "List the steps of this tutorial"
task :steps do
  puts _, "Steps of this tutorial", _
  current = GitSteps.current_step

  GitSteps.steps.each_with_index do |step, i|
    is_current = step.sha == current.sha ? "*" : " "
    puts "#{is_current} #{(i+1).to_s.rjust(3).bold} | #{step.subject.gsub(/^\[\d+\] /, '')}"
  end; puts
end

desc "Display current step"
task :step => [:check] do
  step = GitSteps.current_step
  puts _, "#{step.sha} | #{step.subject.bold}",
       _, "#{step.body}"
end

desc "Start the tutorial or switch back to first step"
task :start => [:check] do
  puts _, "Starting the tutorial with the first step".white.on_magenta, _
  step = GitSteps.steps.first
  puts "#{step.sha} | #{step.subject.bold}",
       "#{step.body}"
  exec "git checkout #{step.sha} > /dev/null 2>&1 "
end

desc "Step to the next step of tutorial"
task :next => [:check] do
  if step = GitSteps.next_step
    puts _, "#{step.sha} | #{step.subject.bold}",
         _, "#{step.body}"
    exec "git checkout #{step.sha} > /dev/null 2>&1 "
  else
    puts "You have reached the end of the tutorial".white.on_green,
         "Start again with: rake start"
  end
end

desc "Step to the previous step of tutorial"
task :previous => [:check] do
  if step = GitSteps.previous_step
    puts _, "#{step.sha} | #{step.subject.bold}",
         _, "#{step.body}"
    exec "git checkout #{step.sha} > /dev/null 2>&1 "
  else
    puts "You are at the beginning of the tutorial".white.on_green,
         "Follow the tutorial with: rake next"
  end
end

desc "Show differences between the current step and the previous step"
task :diff do
  current = GitSteps.current_step
  previous = GitSteps.previous_step
  puts _, "Previous : #{previous.subject}",
          "Current  : #{current.subject}", _
  exec "git diff --color --ignore-all-space --minimal HEAD^ HEAD | cat"
end

desc "Reset the tutorial and switch to master branch"
task :reset => [:check] do
  exec "git checkout master > /dev/null"
end

task :check do
  if `which git` == ''
    puts "[!] ERROR: You need Git installed to step through the tutorial.".white.on_red
    exit(1)
  end
end

module GitSteps
  class Commit
    attr_reader :sha, :subject, :body
    def initialize(commit)
      @sha, @subject = commit.split('|||', 2)
      @body          = %x[git log -n 1 --format='%b' #{sha}].chomp
    end
    def step?; subject =~ /^\[\d+\]/; end
  end

  def steps
    %x[git log --reverse --format='%h|||%s' master]
      .chomp
      .split("\n")
      .map    { |commit| Commit.new(commit) }
      .select { |commit| commit.step? }
  end

  def current_step
    Commit.new( %x[git log -n 1--reverse --format='%h|||%s'].chomp )
  end

  def next_step
    steps.select { |step| step.subject > current_step.subject }.first
  end

  def previous_step
    steps.select { |step| step.subject < current_step.subject }.last
  end

  extend self
end