gordonwoodhull · February 5, 2018 01:23
diff --git a/.block b/.block
 license: mit
diff --git a/README.md b/README.md
diff --git a/data.csv b/data.csv
diff --git a/FRA_admin13.json b/FRA_admin13.json
diff --git a/index.html b/index.html
 <!DOCTYPE html>
 <html>

 <head>
  <meta charset="utf-8">

  <!-- d3 and dc -->
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/crossfilter/1.3.11/crossfilter.js"></script>  
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/dc/1.7.0/dc.css"/>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/dc/1.7.0/dc.min.js"></script>  
  <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>


  <!-- css links -->
  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.0.2/css/bootstrap.min.css" >
  <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.0.2/js/bootstrap.min.js"></script>
  
  <link href="style.css" rel="stylesheet" type="text/css" media="all">

  <!--Leaflet from Yurukov-->    
  <script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.js"></script>
  <link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.css" />

  <!--dc-leaflet-choropleth legend and window display-->
  <style>
    #holder {
      width: 850px;
      margin: 20px auto;
    }
    
    #holder>div {
      padding: 30px 0;
      clear: both;
    }
    
    .map {
      width: 360px;
      height: 345px;
    }

  </style>

 </head>

 <body>
  <div id="wrap">

    <!-- Begin page content -->
    <div class="container">
      
          <h4>Mean Daily Temperature Extremes </h4> 
          Projected evolution of Mean Daily
          Temperature (model MetEir-ECEARTH_RACMO22E, scenario rcp8.5). Extremes defined
          as < 10th or > 90th percentile using the reference
          period 1976 &ndash; 2005.

          <div class="row">
            <div class="col-lg-5 col-md-5 col-sm-5 col-xs-5">
              <div id="choro-map">
                <div class="filterName">Map
                  <a class="reset" href="javascript:choroChart.filterAll();dc.redrawAll();">reset</a>
                  <span class="reset" style="display: none;"></span>
                </div>
                <div class="map"></div>
              </div>
            </div>

            <div class="col-lg-2 col-md-2 col-sm-2 col-xs-2">

              <div class="short-div">
                <div id="chart-seasons">
                  <div class="filterName">Time Aggregate
                    <a class="reset" href="javascript:timeAggregateChart.filterAll();dc.redrawAll();"
                    style="display: none;">reset</a>
                    <span class="reset" style="display: none;"></span>
                  </div>
                </div>
              </div>

              <div class="short-div">
                <div id="chart-year">
                  <div class="filterName">Year range
                    <a class="reset" href="javascript:yearChart.filterAll();dc.redrawAll();"
                    style="display: none;">reset</a>
                    <span class="reset" style="display: none;"></span>
                  </div>
                </div>
              </div>

            </div>

          </div>
        
    </div> <!-- /.container -->
  </div> <!-- /.wrap -->

  <script>
   
    //dc-leaflet-choro.js    

    dc.leafletChart = function(_chart) {
    _chart = dc.baseChart(_chart);

    var _map;
    var _mapOptions = false;
    var _defaultCenter = false;
    var _defaultZoom = false;

    // http://leafletjs.com/examples/choropleth.html
    //--------------------------------------------------------------------
    var _info = L.control();

    _info.onAdd = function(map) {
      this._div = L.DomUtil.create('div', 'info'); // create a div with a class "info"
      this.update();
      return this._div;
    };

    // method that we will use to update the control based on feature properties passed
    _info.update = function(props) {
      this._div.innerHTML = '<h4>Extreme Events</h4>' + (props ?       
        '<b>' + props.key + '</b><br />' + 'Event probability: ' + 
        Math.round(100 * props.value.count / (timeAggCount)) + '%' : 'Hover over a map region');
    };

    //-------------------------------------------------------------------
    //######################
    var _legend = L.control({
      position: 'bottomleft'
    });
    var numCharts = 0;

    _legend.onAdd = function(map) {
      this._div = L.DomUtil.create('div', 'info legend');
      this.update();
      return this._div;
    };

    _legend.update = function() {

      //**Dirty hack** Display legend only when all dc charts are cycled through
      //numCharts++;

      //if (numCharts == 2) {
        minValue = choroChart.colorDomain()[0];
        maxValue = choroChart.colorDomain()[1];
        palette = choroChart.colors().range();
        colorLength = choroChart.colors().range().length;
        delta = (maxValue - minValue) / colorLength;

        //define grades for legend colours
        grades = [];
        grades[0] = Math.round(minValue);
        for (var i = 1; i < colorLength; i++) {
          grades[i] = Math.round((0.5 + (i - 1)) * delta + minValue);
        }

        var div = L.DomUtil.create('div', 'info legend');          

        // loop through our density intervals and generate a label with a colored square for each interval
        this._div.innerHTML = ""; //reset so that legend is not plotted multiple times
        for (var i = 0; i < grades.length; i++) {
          this._div.innerHTML +=
            '<i style="background:' + palette[i] + '"></i> ' +
            grades[i] + (grades[i + 1] ? '&ndash;' + grades[i + 1] + '<br>' : '+');
        }
      //}
    };
    //###################################

    var _tiles = function(map) {
      L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
        attribution: '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
      }).addTo(map);
    }

    _chart.doRender = function() {
      _map = L.map(_chart.root().node(), _mapOptions);
      if (_defaultCenter && _defaultZoom)
        _map.setView(_chart.toLocArray(_defaultCenter), _defaultZoom);

      _chart.tiles()(_map);
      _chart.info().addTo(_map);
      _chart.legend().addTo(_map);

      _chart._postRender();

      return _chart.doRedraw();
    }

    _chart.info = function(_) {
      if (!arguments.length) return _info;
      _info = _;
      return _chart;
    }

    _chart.legend = function(_) {
      if (!arguments.length) return _legend;
      _legend = _;
      return _chart;
    }

    _chart._postRender = function() {
      //abstract
    }

    _chart.mapOptions = function(_) {
      if (!arguments.length) return _mapOptions;
      _mapOptions = _;
      return _chart;
    }

    _chart.center = function(_) {
      if (!arguments.length) return _defaultCenter;
      _defaultCenter = _;
      return _chart;
    }

    _chart.zoom = function(_) {
      if (!arguments.length) return _defaultZoom;
      _defaultZoom = _;
      return _chart;
    }

    _chart.colorDomain = function(_) {
      if (!arguments.length) return _colorDomain;
      _colorDomain = _;
      return _chart;
    }

    _chart.tiles = function(_) {
      if (!arguments.length) return _tiles;
      _tiles = _;
      return _chart;
    }

    _chart.map = function() {
      return _map;
    }

    _chart.toLocArray = function(value) {
      if (typeof value == "string") {
        // expects '11.111,1.111'
        value = value.split(",");
      }
      // else expects [11.111,1.111] 
      return value;
    }

    return _chart;
  }


  /***************************
            choropleth
  ***************************/

  //dc-leaflet-choro.js
  dc.leafletChoroplethChart = function(parent, chartGroup) {
    var _chart = dc.colorChart(dc.leafletChart({}));

    var _geojsonLayer = false;
    var _dataMap = [];

    var _geojson = false;
    var _renderPopup = true;
    var _brushOn = true;
    var _featureOptions = {
      'fillColor': 'black',
      'color': 'gray',
      'opacity': 0.4,
      'fillOpacity': 0.6,
      'weight': 1
    };
    //
    var _renderTitle = true;

    var _featureKey = function(feature) {
      return feature.key;
    }

    var _featureStyle = function(feature) {
      var options = _chart.featureOptions();
      if (options instanceof Function)
        options = options(feature);
      options = JSON.parse(JSON.stringify(options));
      var v = _dataMap[_chart.featureKeyAccessor()(feature)];
      if (v && v.d) {
        options.fillColor = _chart.getColor(v.d, v.i);
        if (_chart.filters().indexOf(v.d.key) != -1) {
          options.opacity = 0.8;
          options.color = "#725848";
          options.weight = 2.5;
        }
      }
      return options;
    };

    var _popup = function(d, feature) {
      return _chart.title()(d);
    }

    _chart._postRender = function() {
      _geojsonLayer = L.geoJson(_chart.geojson(), {
        style: _chart.featureStyle(),
        onEachFeature: processFeatures
      });
      _chart.map().addLayer(_geojsonLayer);
    }

    _chart.doRedraw = function() {
      _geojsonLayer.clearLayers();
      _dataMap = [];
      _chart.computeOrderedGroups().forEach(function(d, i) {
        _dataMap[_chart.keyAccessor()(d)] = {
          'd': d,
          'i': i
        };
      });
      _geojsonLayer.addData(_chart.geojson());

      _chart.legend().update();
    }

    _chart.geojson = function(_) {
      if (!arguments.length) return _geojson;
      _geojson = _;
      return _chart;
    }

    _chart.featureOptions = function(_) {
      if (!arguments.length) return _featureOptions;
      _featureOptions = _;
      return _chart;
    }

    _chart.featureKeyAccessor = function(_) {
      if (!arguments.length) return _featureKey;
      _featureKey = _;
      return _chart;
    }

    _chart.featureStyle = function(_) {
      if (!arguments.length) return _featureStyle;
      _featureStyle = _;
      return _chart;
    }

    _chart.popup = function(_) {
      if (!arguments.length) return _popup;
      _popup = _;
      return _chart;
    }

    _chart.renderPopup = function(_) {
      if (!arguments.length) return _renderPopup;
      _renderPopup = _;
      return _chart;
    }

    _chart.brushOn = function(_) {
      if (!arguments.length) return _brushOn;
      _brushOn = _;
      return _chart;
    }

    var processFeatures = function(feature, layer) {
      var v = _dataMap[_chart.featureKeyAccessor()(feature)];
      if (v && v.d) {
        layer.key = v.d.key;
        if (_chart.renderPopup())
          layer.bindPopup(_chart.popup()(v.d, feature));

        //Define mouse events        
        layer.on({
          "mouseover": function(e) {
            //gis.stackexchange.com/questions/31951/how-to-show-a-popup-on-mouse-over-not-on-click
            //this.openPopup(); //built-in leaflet popup window

            //Custom Control with Leaflet
            //http://leafletjs.com/examples/choropleth.html
            //highlight region borders
            var layer = e.target;

            layer.setStyle({
              weight: 3,
              color: "#422703",
              //dashArray: '',
              //fillOpacity: 0.7 //changes colour upon hover
            });

            if (!L.Browser.ie && !L.Browser.opera) {
              layer.bringToFront();
            }

            //apply border highlight
            _chart.info().update(v.d);
          },

          //reset borders on mouseout
          "mouseout": function(e) {
            _geojsonLayer.resetStyle(e.target);
          }
        });


        if (_chart.brushOn()) {
          layer.on("click", selectFilter);
        }
      }
    }

    var selectFilter = function(e) {
      if (!e.target) return;
      var filter = e.target.key;
      dc.events.trigger(function() {
        _chart.filter(filter);
        dc.redrawAll(_chart.chartGroup());
      });
    }


    return _chart.anchor(parent, chartGroup);
  }
  //end dc-leaflet-choro.js

  var region_dict = [];
  var legend = [];
  var region_id = [1, 2, 3, 4, 5, 6, 7, 11, 13, 14, 15, 16, 17];

  //for avgs
  var avgRegionGroup, avgEventsBySeason;

  //for map click
  var choroChart;

  //to be defined in each chart:
  var regionCount, yearCount;

  var chart;

  choroChart = dc.leafletChoroplethChart("#choro-map .map");
  yearChart = dc.barChart("#chart-year");
  timeAggregateChart = dc.rowChart("#chart-seasons");

  d3.csv("data.csv", function(csv) {

    regions = {
      1: "Alsace, Champagne-Ardenne et Lorraine",
      2: "Aquitaine, Limousin et Poitou-Charentes",
      3: "Auvergne et Rhône-Alpes",
      4: "Bourgogne et Franche-Comté",
      5: "Bretagne",
      6: "Centre-Val de Loire",
      7: "Corse",
      11: "Languedoc-Roussillon et Midi-Pyrénées",
      13: "Nord-Pas-de-Calais et Picardie",
      14: "Normandie",
      15: "Pays de la Loire",
      16: "Provence-Alpes-Côte d'Azur",
      17: "Île-de-France"
    };

    models = {
      1: "MetEir-ECEARTH_RACMO22E"
    };

    indices = {
      "TG": "Mean daily temp (degC)"
    };


    seasons = {
      "1": "Winter",
      "2": "Spring",
      "3": "Summer",
      "4": "Fall",
      "5": "Year"
    };

    var filter = crossfilter(csv);

    var yearDimension = filter.dimension(function(d) {
        return +d.Year;
      }),
      regionDimension = filter.dimension(function(d, i) {
        return regions[d.Region];
      }),
      seasonDimension = filter.dimension(function(d) {
        return seasons[d.TimeAggregate];
      });

    // ==========================================================
    var numTimeAgg = 5; //number of time aggregates (4 seasons + year)
    var numRegions = Object.keys(regions).length;
    var modelRange = 2100 - 1972;
    var ymin = 0;
    var ymax = 100; //min and max for y-axes of year bar chart
    colorbrewer = ["#ffffcc","#c7e9b4","#7fcdbb","#41b6c4","#1d91c0","#225ea8",
                   "#0c2c84"]; //colorbrewer.js YlGnBu[7]

    avgRegionGroup = regionDimension.group().reduce(reduceAdd, reduceRemove, reduceInitial);
    avgSeasonGroup = seasonDimension.group().reduce(reduceAdd, reduceRemove, reduceInitial);

    //Fns to count data for all datasets except the OBS data (id=100).
    function reduceAdd(p, v) {
      ++p.count;
      return p;
    }

    function reduceRemove(p, v) {
      --p.count;
      return p;
    }

    function reduceInitial() {
      return {
        count: 0
      };
    }

    //Special fns for time aggregates
    //https://github.com/dc-js/dc.js/issues/21        
    avgEventsBySeason = yearDimension.group().reduce(
      // add
      function(p, v) {

        if (v.TimeAggregate == "1") ++p.season0Count;
        if (v.TimeAggregate == "2") ++p.season1Count;
        if (v.TimeAggregate == "3") ++p.season2Count;
        if (v.TimeAggregate == "4") ++p.season3Count;
        if (v.TimeAggregate == "5") ++p.yrAggCount;

        return p;
      },
      // remove
      function(p, v) {

        if (v.TimeAggregate == "1") --p.season0Count;
        if (v.TimeAggregate == "2") --p.season1Count;
        if (v.TimeAggregate == "3") --p.season2Count;
        if (v.TimeAggregate == "4") --p.season3Count;
        if (v.TimeAggregate == "5") --p.yrAggCount;

        return p;
      },
      // init
      function() {
        return {
          season0Count: 0,
          season1Count: 0,
          season2Count: 0,
          season3Count: 0,
          yrAggCount: 0
        };
      }
    );
    //end fn for time aggregates

    //===========================================================
    minYear = parseInt(yearDimension.bottom(1)[0].Year) - 5;
    maxYear = parseInt(yearDimension.top(1)[0].Year) + 5;

    // ==========================================================
    //  READ IN GEOJSON
    // ==========================================================       
    d3.json("FRA_admin13.json", function(statesJson) {

      //region name dictionary
      statesJson.features.forEach(function(d, idx) {
        region_dict.push({
          key: d.properties.name,
          value: region_id[idx]
        });
        legend[idx] = d.properties.name;
      });


      choroChart
        .dimension(regionDimension)
        .group(avgRegionGroup)
        .width(400)
        .height(170)
        .center([47.00, 2.00])
        .zoom(5)
        .geojson(statesJson)
        .valueAccessor(function(d) {

          yearCount = yearChart.filters().length ? (parseInt(yearChart.filters()[0][1]) - parseInt(yearChart.filters()[0][0])) : modelRange;
          timeAgg_clicked = timeAggregateChart.filters().length ? timeAggregateChart.filters().length : numTimeAgg;
          timeAggCount = timeAgg_clicked * yearCount;

          return 100 * d.value.count / (timeAggCount);
        })
        .colors(colorbrewer)
        .colorAccessor(function(d, i) {

          yearCount = yearChart.filters().length ? (parseInt(yearChart.filters()[0][1]) - parseInt(yearChart.filters()[0][0])) : modelRange;
          timeAgg_clicked = timeAggregateChart.filters().length ? timeAggregateChart.filters().length : numTimeAgg;
          timeAggCount = timeAgg_clicked * yearCount;

          return 100 * d.value.count / (timeAggCount);
        })
        .featureKeyAccessor(function(feature) {
          return feature.properties.name;
        });

 //       var colorDomain = d3.extent(choroChart.group().all(), choroChart.valueAccessor());
      choroChart.on("preRender", function(chart) {
 //				chart.colorDomain(colorDomain);
      	chart.colorDomain(d3.extent(chart.group().all(),
                                    chart.valueAccessor()));
      });

      choroChart.on("preRedraw", function(chart) {
        //save initial eventRange upon page load
         eventRange = d3.extent(chart.group().all(), chart.valueAccessor());
 //         eventRange[0] = 0; //make min always 0 
 //         eventRange[1] = 70; //manually set max         

         chart.colorDomain(eventRange);

      });

      // =================
      timeAggregateChart
        .width(225).height(150)
        .colors(["#888888"])
        .dimension(seasonDimension)
        .group(avgSeasonGroup)
        .gap(2)
        .valueAccessor(function(d) {

          regionCount = choroChart.filters().length ? choroChart.filters().length : numRegions;

          yearCount = yearChart.filters().length ? (parseInt(yearChart.filters()[0][1]) - parseInt(yearChart.filters()[0][0])) : modelRange;

          return 100 * d.value.count / (regionCount * yearCount);

        })
        .title(function(d) {
          return Math.round(100 * d.value.count / (regionCount * yearCount)) + "%";
        });

      timeAggregateChart
        .x(d3.scale.linear().range([0, (timeAggregateChart.width() - 50)]).domain([0, 100]));
      timeAggregateChart
        .xAxis().scale(timeAggregateChart.x()).tickValues([0, 20, 40, 60, 80, 100]);


      // =================
      yearChart
        .width(350).height(200)
        .dimension(yearDimension)
        .group(avgEventsBySeason)
        .valueAccessor(function(d) {

          //add time aggregates and normalized by num aggregates selected
          timeAgg_clicked = timeAggregateChart.filters().length ? timeAggregateChart.filters().length : numTimeAgg;
          normSeasons = (d.value.season0Count + d.value.season1Count + d.value.season2Count + d.value.season3Count + d.value.yrAggCount) / timeAgg_clicked;

          regionCount = choroChart.filters().length ? choroChart.filters().length : numRegions;

          return Math.round(100 * normSeasons / (regionCount));

        })
        //.filter([2001, 2030])
        .gap(0)
        .centerBar(true)
        .renderHorizontalGridLines(true)
        .x(d3.scale.linear().domain([1972, 2100]))
        .y(d3.scale.linear().domain([ymin, ymax]))
        .xAxisLabel("Year")
        .yAxisLabel("Probability (%)");

      yearChart
        .xAxis().ticks(2).tickFormat(d3.format("d"))
        .tickValues([1975, 1995, 2015, 2035, 2055, 2075, 2095]);
      yearChart
        .yAxis().tickValues([25, 50, 75, 100]);

      // =================
      dc.renderAll();

      //http://stackoverflow.com/questions/21114336/how-to-add-axis-labels-for-row-chart-using-dc-js-or-d3-js
      function AddXAxis(chartToUpdate, displayText) {
        chartToUpdate.svg()
          .append("text")
          .attr("class", "x-axis-label")
          .attr("text-anchor", "middle")
          .attr("x", chartToUpdate.width() / 2)
          .attr("y", chartToUpdate.height() + 2)
          .text(displayText);
      }
      AddXAxis(timeAggregateChart, "Probability (%)");

    }); //end geojson
  }); //end csv



 </script>
  

 </body>

 </html>
diff --git a/style.css b/style.css
 body {
    color: #333333;
    font-family: 'Istok Web', sans-serif;
    font-size: 14px;
    line-height: 1.42857;
 }

 .dc-chart .axis text {
    font-family: 'Istok Web', sans-serif;
    font-size: 11px;
 }

 .dc-chart g.row text {
    fill: black;
    font-size: 12px;
 }

 .dc-chart text {
    font-family: 'Istok Web', sans-serif;
    font-size: 12px;
 }
 .dc-chart g.row rect {
    stroke: gray;
    font-family: 'Istok Web', sans-serif;
    font-size: 10px;
 }


 .filterName {
    font-family: 'Istok Web', sans-serif;
    font-size: 13px;
    font-weight: 700;
    font-style: italic;
    margin-top: 20px;
 }

 .reset {
    font-family: 'Istok Web', sans-serif;
    font-size: 10px;
    font-weight: bold;
    font-style: normal;
 }

 .table {
    font-family: 'Istok Web', sans-serif;
    font-size: 10px;
    font-weight: normal;
    font-style: normal;
 }

 .table > tbody > tr > td {
    line-height: 6px;
 }

 /*to allow x-axis labels to overflow past div bd*/
 svg:not(:root) {
    overflow: unset;
 }

 /* dc charts */

 #chart-seasons {
    transform: translate(130px, 7px);
 }

 #chart-year {
    transform: translate(85px, 0px);
 }


 /*Display window on map*/
 h4 { font-family: 'Istok Web', sans-serif; font-weight: 400; }

 .info {
    padding: 6px 8px;
    font: 14px/16px Arial, Helvetica, sans-serif;
    background: white;
    background: rgba(255,255,255,0.8);
    box-shadow: 0 0 15px rgba(0,0,0,0.2);
    border-radius: 5px;
 }
 .info h4 {
    margin: 0 0 5px;
    color: #777;
 }

 .legend {
    line-height: 18px;
    color: #555;
 }
 .legend i {
    width: 18px;
    height: 18px;
    float: left;
    margin-right: 8px;
    opacity: 0.7;
 }
	<!DOCTYPE html>
	<html>

	<head>
	<meta charset="utf-8">

	<!-- d3 and dc -->
	<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/crossfilter/1.3.11/crossfilter.js"></script>
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/dc/1.7.0/dc.css"/>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/dc/1.7.0/dc.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>


	<!-- css links -->
	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.0.2/css/bootstrap.min.css" >
	<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.0.2/js/bootstrap.min.js"></script>

	<link href="style.css" rel="stylesheet" type="text/css" media="all">

	<!--Leaflet from Yurukov-->
	<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.js"></script>
	<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/leaflet/0.7.7/leaflet.css" />

	<!--dc-leaflet-choropleth legend and window display-->
	<style>
	#holder {
	width: 850px;
	margin: 20px auto;
	}

	#holder>div {
	padding: 30px 0;
	clear: both;
	}

	.map {
	width: 360px;
	height: 345px;
	}

	</style>

	</head>

	<body>
	<div id="wrap">

	<!-- Begin page content -->
	<div class="container">

	<h4>Mean Daily Temperature Extremes </h4>
	Projected evolution of Mean Daily
	Temperature (model MetEir-ECEARTH_RACMO22E, scenario rcp8.5). Extremes defined
	as < 10th or > 90th percentile using the reference
	period 1976 – 2005.

	<div class="row">
	<div class="col-lg-5 col-md-5 col-sm-5 col-xs-5">
	<div id="choro-map">
	<div class="filterName">Map
	<a class="reset" href="javascript:choroChart.filterAll();dc.redrawAll();">reset</a>
	<span class="reset" style="display: none;"></span>
	</div>
	<div class="map"></div>
	</div>
	</div>

	<div class="col-lg-2 col-md-2 col-sm-2 col-xs-2">

	<div class="short-div">
	<div id="chart-seasons">
	<div class="filterName">Time Aggregate
	<a class="reset" href="javascript:timeAggregateChart.filterAll();dc.redrawAll();"
	style="display: none;">reset</a>
	<span class="reset" style="display: none;"></span>
	</div>
	</div>
	</div>

	<div class="short-div">
	<div id="chart-year">
	<div class="filterName">Year range
	<a class="reset" href="javascript:yearChart.filterAll();dc.redrawAll();"
	style="display: none;">reset</a>
	<span class="reset" style="display: none;"></span>
	</div>
	</div>
	</div>

	</div>

	</div>

	</div> <!-- /.container -->
	</div> <!-- /.wrap -->

	<script>

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	dc.leafletChart = function(_chart) {
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	var _map;
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	var _defaultCenter = false;
	var _defaultZoom = false;

	// http://leafletjs.com/examples/choropleth.html
	//--------------------------------------------------------------------
	var _info = L.control();

	_info.onAdd = function(map) {
	this._div = L.DomUtil.create('div', 'info'); // create a div with a class "info"
	this.update();
	return this._div;
	};

	// method that we will use to update the control based on feature properties passed
	_info.update = function(props) {
	this._div.innerHTML = '<h4>Extreme Events</h4>' + (props ?
	'<b>' + props.key + '</b><br />' + 'Event probability: ' +
	Math.round(100 * props.value.count / (timeAggCount)) + '%' : 'Hover over a map region');
	};

	//-------------------------------------------------------------------
	//######################
	var _legend = L.control({
	position: 'bottomleft'
	});
	var numCharts = 0;

	_legend.onAdd = function(map) {
	this._div = L.DomUtil.create('div', 'info legend');
	this.update();
	return this._div;
	};

	_legend.update = function() {

	//Dirty hack Display legend only when all dc charts are cycled through
	//numCharts++;

	//if (numCharts == 2) {
	minValue = choroChart.colorDomain()[0];
	maxValue = choroChart.colorDomain()[1];
	palette = choroChart.colors().range();
	colorLength = choroChart.colors().range().length;
	delta = (maxValue - minValue) / colorLength;

	//define grades for legend colours
	grades = [];
	grades[0] = Math.round(minValue);
	for (var i = 1; i < colorLength; i++) {
	grades[i] = Math.round((0.5 + (i - 1)) * delta + minValue);
	}

	var div = L.DomUtil.create('div', 'info legend');

	// loop through our density intervals and generate a label with a colored square for each interval
	this._div.innerHTML = ""; //reset so that legend is not plotted multiple times
	for (var i = 0; i < grades.length; i++) {
	this._div.innerHTML +=
	'<i style="background:' + palette[i] + '"></i> ' +
	grades[i] + (grades[i + 1] ? '–' + grades[i + 1] + '<br>' : '+');
	}
	//}
	};
	//###################################

	var _tiles = function(map) {
	L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png', {
	attribution: '© <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
	}).addTo(map);
	}

	_chart.doRender = function() {
	_map = L.map(_chart.root().node(), _mapOptions);
	if (_defaultCenter && _defaultZoom)
	_map.setView(_chart.toLocArray(_defaultCenter), _defaultZoom);

	_chart.tiles()(_map);
	_chart.info().addTo(_map);
	_chart.legend().addTo(_map);

	_chart._postRender();

	return _chart.doRedraw();
	}

	_chart.info = function(_) {
	if (!arguments.length) return _info;
	_info = _;
	return _chart;
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	_chart.legend = function(_) {
	if (!arguments.length) return _legend;
	_legend = _;
	return _chart;
	}

	_chart._postRender = function() {
	//abstract
	}

	_chart.mapOptions = function(_) {
	if (!arguments.length) return _mapOptions;
	_mapOptions = _;
	return _chart;
	}

	_chart.center = function(_) {
	if (!arguments.length) return _defaultCenter;
	_defaultCenter = _;
	return _chart;
	}

	_chart.zoom = function(_) {
	if (!arguments.length) return _defaultZoom;
	_defaultZoom = _;
	return _chart;
	}

	_chart.colorDomain = function(_) {
	if (!arguments.length) return _colorDomain;
	_colorDomain = _;
	return _chart;
	}

	_chart.tiles = function(_) {
	if (!arguments.length) return _tiles;
	_tiles = _;
	return _chart;
	}

	_chart.map = function() {
	return _map;
	}

	_chart.toLocArray = function(value) {
	if (typeof value == "string") {
	// expects '11.111,1.111'
	value = value.split(",");
	}
	// else expects [11.111,1.111]
	return value;
	}

	return _chart;
	}


	/***************************
	choropleth
	***************************/

	//dc-leaflet-choro.js
	dc.leafletChoroplethChart = function(parent, chartGroup) {
	var _chart = dc.colorChart(dc.leafletChart({}));

	var _geojsonLayer = false;
	var _dataMap = [];

	var _geojson = false;
	var _renderPopup = true;
	var _brushOn = true;
	var _featureOptions = {
	'fillColor': 'black',
	'color': 'gray',
	'opacity': 0.4,
	'fillOpacity': 0.6,
	'weight': 1
	};
	//
	var _renderTitle = true;

	var _featureKey = function(feature) {
	return feature.key;
	}

	var _featureStyle = function(feature) {
	var options = _chart.featureOptions();
	if (options instanceof Function)
	options = options(feature);
	options = JSON.parse(JSON.stringify(options));
	var v = _dataMap[_chart.featureKeyAccessor()(feature)];
	if (v && v.d) {
	options.fillColor = _chart.getColor(v.d, v.i);
	if (_chart.filters().indexOf(v.d.key) != -1) {
	options.opacity = 0.8;
	options.color = "#725848";
	options.weight = 2.5;
	}
	}
	return options;
	};

	var _popup = function(d, feature) {
	return _chart.title()(d);
	}

	_chart._postRender = function() {
	_geojsonLayer = L.geoJson(_chart.geojson(), {
	style: _chart.featureStyle(),
	onEachFeature: processFeatures
	});
	_chart.map().addLayer(_geojsonLayer);
	}

	_chart.doRedraw = function() {
	_geojsonLayer.clearLayers();
	_dataMap = [];
	_chart.computeOrderedGroups().forEach(function(d, i) {
	_dataMap[_chart.keyAccessor()(d)] = {
	'd': d,
	'i': i
	};
	});
	_geojsonLayer.addData(_chart.geojson());

	_chart.legend().update();
	}

	_chart.geojson = function(_) {
	if (!arguments.length) return _geojson;
	_geojson = _;
	return _chart;
	}

	_chart.featureOptions = function(_) {
	if (!arguments.length) return _featureOptions;
	_featureOptions = _;
	return _chart;
	}

	_chart.featureKeyAccessor = function(_) {
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	_featureKey = _;
	return _chart;
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	_chart.featureStyle = function(_) {
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	_featureStyle = _;
	return _chart;
	}

	_chart.popup = function(_) {
	if (!arguments.length) return _popup;
	_popup = _;
	return _chart;
	}

	_chart.renderPopup = function(_) {
	if (!arguments.length) return _renderPopup;
	_renderPopup = _;
	return _chart;
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	_chart.brushOn = function(_) {
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	_brushOn = _;
	return _chart;
	}

	var processFeatures = function(feature, layer) {
	var v = _dataMap[_chart.featureKeyAccessor()(feature)];
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	layer.key = v.d.key;
	if (_chart.renderPopup())
	layer.bindPopup(_chart.popup()(v.d, feature));

	//Define mouse events
	layer.on({
	"mouseover": function(e) {
	//gis.stackexchange.com/questions/31951/how-to-show-a-popup-on-mouse-over-not-on-click
	//this.openPopup(); //built-in leaflet popup window

	//Custom Control with Leaflet
	//http://leafletjs.com/examples/choropleth.html
	//highlight region borders
	var layer = e.target;

	layer.setStyle({
	weight: 3,
	color: "#422703",
	//dashArray: '',
	//fillOpacity: 0.7 //changes colour upon hover
	});

	if (!L.Browser.ie && !L.Browser.opera) {
	layer.bringToFront();
	}

	//apply border highlight
	_chart.info().update(v.d);
	},

	//reset borders on mouseout
	"mouseout": function(e) {
	_geojsonLayer.resetStyle(e.target);
	}
	});


	if (_chart.brushOn()) {
	layer.on("click", selectFilter);
	}
	}
	}

	var selectFilter = function(e) {
	if (!e.target) return;
	var filter = e.target.key;
	dc.events.trigger(function() {
	_chart.filter(filter);
	dc.redrawAll(_chart.chartGroup());
	});
	}


	return _chart.anchor(parent, chartGroup);
	}
	//end dc-leaflet-choro.js

	var region_dict = [];
	var legend = [];
	var region_id = [1, 2, 3, 4, 5, 6, 7, 11, 13, 14, 15, 16, 17];

	//for avgs
	var avgRegionGroup, avgEventsBySeason;

	//for map click
	var choroChart;

	//to be defined in each chart:
	var regionCount, yearCount;

	var chart;

	choroChart = dc.leafletChoroplethChart("#choro-map .map");
	yearChart = dc.barChart("#chart-year");
	timeAggregateChart = dc.rowChart("#chart-seasons");

	d3.csv("data.csv", function(csv) {

	regions = {
	1: "Alsace, Champagne-Ardenne et Lorraine",
	2: "Aquitaine, Limousin et Poitou-Charentes",
	3: "Auvergne et Rhône-Alpes",
	4: "Bourgogne et Franche-Comté",
	5: "Bretagne",
	6: "Centre-Val de Loire",
	7: "Corse",
	11: "Languedoc-Roussillon et Midi-Pyrénées",
	13: "Nord-Pas-de-Calais et Picardie",
	14: "Normandie",
	15: "Pays de la Loire",
	16: "Provence-Alpes-Côte d'Azur",
	17: "Île-de-France"
	};

	models = {
	1: "MetEir-ECEARTH_RACMO22E"
	};

	indices = {
	"TG": "Mean daily temp (degC)"
	};


	seasons = {
	"1": "Winter",
	"2": "Spring",
	"3": "Summer",
	"4": "Fall",
	"5": "Year"
	};

	var filter = crossfilter(csv);

	var yearDimension = filter.dimension(function(d) {
	return +d.Year;
	}),
	regionDimension = filter.dimension(function(d, i) {
	return regions[d.Region];
	}),
	seasonDimension = filter.dimension(function(d) {
	return seasons[d.TimeAggregate];
	});

	// ==========================================================
	var numTimeAgg = 5; //number of time aggregates (4 seasons + year)
	var numRegions = Object.keys(regions).length;
	var modelRange = 2100 - 1972;
	var ymin = 0;
	var ymax = 100; //min and max for y-axes of year bar chart
	colorbrewer = ["#ffffcc","#c7e9b4","#7fcdbb","#41b6c4","#1d91c0","#225ea8",
	"#0c2c84"]; //colorbrewer.js YlGnBu[7]

	avgRegionGroup = regionDimension.group().reduce(reduceAdd, reduceRemove, reduceInitial);
	avgSeasonGroup = seasonDimension.group().reduce(reduceAdd, reduceRemove, reduceInitial);

	//Fns to count data for all datasets except the OBS data (id=100).
	function reduceAdd(p, v) {
	++p.count;
	return p;
	}

	function reduceRemove(p, v) {
	--p.count;
	return p;
	}

	function reduceInitial() {
	return {
	count: 0
	};
	}

	//Special fns for time aggregates
	//https://github.com/dc-js/dc.js/issues/21
	avgEventsBySeason = yearDimension.group().reduce(
	// add
	function(p, v) {

	if (v.TimeAggregate == "1") ++p.season0Count;
	if (v.TimeAggregate == "2") ++p.season1Count;
	if (v.TimeAggregate == "3") ++p.season2Count;
	if (v.TimeAggregate == "4") ++p.season3Count;
	if (v.TimeAggregate == "5") ++p.yrAggCount;

	return p;
	},
	// remove
	function(p, v) {

	if (v.TimeAggregate == "1") --p.season0Count;
	if (v.TimeAggregate == "2") --p.season1Count;
	if (v.TimeAggregate == "3") --p.season2Count;
	if (v.TimeAggregate == "4") --p.season3Count;
	if (v.TimeAggregate == "5") --p.yrAggCount;

	return p;
	},
	// init
	function() {
	return {
	season0Count: 0,
	season1Count: 0,
	season2Count: 0,
	season3Count: 0,
	yrAggCount: 0
	};
	}
	);
	//end fn for time aggregates

	//===========================================================
	minYear = parseInt(yearDimension.bottom(1)[0].Year) - 5;
	maxYear = parseInt(yearDimension.top(1)[0].Year) + 5;

	// ==========================================================
	// READ IN GEOJSON
	// ==========================================================
	d3.json("FRA_admin13.json", function(statesJson) {

	//region name dictionary
	statesJson.features.forEach(function(d, idx) {
	region_dict.push({
	key: d.properties.name,
	value: region_id[idx]
	});
	legend[idx] = d.properties.name;
	});


	choroChart
	.dimension(regionDimension)
	.group(avgRegionGroup)
	.width(400)
	.height(170)
	.center([47.00, 2.00])
	.zoom(5)
	.geojson(statesJson)
	.valueAccessor(function(d) {

	yearCount = yearChart.filters().length ? (parseInt(yearChart.filters()[0][1]) - parseInt(yearChart.filters()[0][0])) : modelRange;
	timeAgg_clicked = timeAggregateChart.filters().length ? timeAggregateChart.filters().length : numTimeAgg;
	timeAggCount = timeAgg_clicked * yearCount;

	return 100 * d.value.count / (timeAggCount);
	})
	.colors(colorbrewer)
	.colorAccessor(function(d, i) {

	yearCount = yearChart.filters().length ? (parseInt(yearChart.filters()[0][1]) - parseInt(yearChart.filters()[0][0])) : modelRange;
	timeAgg_clicked = timeAggregateChart.filters().length ? timeAggregateChart.filters().length : numTimeAgg;
	timeAggCount = timeAgg_clicked * yearCount;

	return 100 * d.value.count / (timeAggCount);
	})
	.featureKeyAccessor(function(feature) {
	return feature.properties.name;
	});

	// var colorDomain = d3.extent(choroChart.group().all(), choroChart.valueAccessor());
	choroChart.on("preRender", function(chart) {
	// chart.colorDomain(colorDomain);
	chart.colorDomain(d3.extent(chart.group().all(),
	chart.valueAccessor()));
	});

	choroChart.on("preRedraw", function(chart) {
	//save initial eventRange upon page load
	eventRange = d3.extent(chart.group().all(), chart.valueAccessor());
	// eventRange[0] = 0; //make min always 0
	// eventRange[1] = 70; //manually set max

	chart.colorDomain(eventRange);

	});

	// =================
	timeAggregateChart
	.width(225).height(150)
	.colors(["#888888"])
	.dimension(seasonDimension)
	.group(avgSeasonGroup)
	.gap(2)
	.valueAccessor(function(d) {

	regionCount = choroChart.filters().length ? choroChart.filters().length : numRegions;

	yearCount = yearChart.filters().length ? (parseInt(yearChart.filters()[0][1]) - parseInt(yearChart.filters()[0][0])) : modelRange;

	return 100 * d.value.count / (regionCount * yearCount);

	})
	.title(function(d) {
	return Math.round(100 * d.value.count / (regionCount * yearCount)) + "%";
	});

	timeAggregateChart
	.x(d3.scale.linear().range([0, (timeAggregateChart.width() - 50)]).domain([0, 100]));
	timeAggregateChart
	.xAxis().scale(timeAggregateChart.x()).tickValues([0, 20, 40, 60, 80, 100]);


	// =================
	yearChart
	.width(350).height(200)
	.dimension(yearDimension)
	.group(avgEventsBySeason)
	.valueAccessor(function(d) {

	//add time aggregates and normalized by num aggregates selected
	timeAgg_clicked = timeAggregateChart.filters().length ? timeAggregateChart.filters().length : numTimeAgg;
	normSeasons = (d.value.season0Count + d.value.season1Count + d.value.season2Count + d.value.season3Count + d.value.yrAggCount) / timeAgg_clicked;

	regionCount = choroChart.filters().length ? choroChart.filters().length : numRegions;

	return Math.round(100 * normSeasons / (regionCount));

	})
	//.filter([2001, 2030])
	.gap(0)
	.centerBar(true)
	.renderHorizontalGridLines(true)
	.x(d3.scale.linear().domain([1972, 2100]))
	.y(d3.scale.linear().domain([ymin, ymax]))
	.xAxisLabel("Year")
	.yAxisLabel("Probability (%)");

	yearChart
	.xAxis().ticks(2).tickFormat(d3.format("d"))
	.tickValues([1975, 1995, 2015, 2035, 2055, 2075, 2095]);
	yearChart
	.yAxis().tickValues([25, 50, 75, 100]);

	// =================
	dc.renderAll();

	//http://stackoverflow.com/questions/21114336/how-to-add-axis-labels-for-row-chart-using-dc-js-or-d3-js
	function AddXAxis(chartToUpdate, displayText) {
	chartToUpdate.svg()
	.append("text")
	.attr("class", "x-axis-label")
	.attr("text-anchor", "middle")
	.attr("x", chartToUpdate.width() / 2)
	.attr("y", chartToUpdate.height() + 2)
	.text(displayText);
	}
	AddXAxis(timeAggregateChart, "Probability (%)");

	}); //end geojson
	}); //end csv



	</script>


	</body>

	</html>
	body {
	color: #333333;
	font-family: 'Istok Web', sans-serif;
	font-size: 14px;
	line-height: 1.42857;
	}

	.dc-chart .axis text {
	font-family: 'Istok Web', sans-serif;
	font-size: 11px;
	}

	.dc-chart g.row text {
	fill: black;
	font-size: 12px;
	}

	.dc-chart text {
	font-family: 'Istok Web', sans-serif;
	font-size: 12px;
	}
	.dc-chart g.row rect {
	stroke: gray;
	font-family: 'Istok Web', sans-serif;
	font-size: 10px;
	}


	.filterName {
	font-family: 'Istok Web', sans-serif;
	font-size: 13px;
	font-weight: 700;
	font-style: italic;
	margin-top: 20px;
	}

	.reset {
	font-family: 'Istok Web', sans-serif;
	font-size: 10px;
	font-weight: bold;
	font-style: normal;
	}

	.table {
	font-family: 'Istok Web', sans-serif;
	font-size: 10px;
	font-weight: normal;
	font-style: normal;
	}

	.table > tbody > tr > td {
	line-height: 6px;
	}

	/to allow x-axis labels to overflow past div bd/
	svg:not(:root) {
	overflow: unset;
	}

	/* dc charts */

	#chart-seasons {
	transform: translate(130px, 7px);
	}

	#chart-year {
	transform: translate(85px, 0px);
	}


	/Display window on map/
	h4 { font-family: 'Istok Web', sans-serif; font-weight: 400; }

	.info {
	padding: 6px 8px;
	font: 14px/16px Arial, Helvetica, sans-serif;
	background: white;
	background: rgba(255,255,255,0.8);
	box-shadow: 0 0 15px rgba(0,0,0,0.2);
	border-radius: 5px;
	}
	.info h4 {
	margin: 0 0 5px;
	color: #777;
	}

	.legend {
	line-height: 18px;
	color: #555;
	}
	.legend i {
	width: 18px;
	height: 18px;
	float: left;
	margin-right: 8px;
	opacity: 0.7;
	}