// Generated by LiveScript 1.5.0
(function(){

  var GOLDEN_RATIO, Target, SpaceWeather, TimeSeries, Orbits, out$ = typeof exports != 'undefined' && exports || this;

  GOLDEN_RATIO = 2 / (1 + Math.sqrt(5));

  Target = (function(){
    Target.displayName = 'Target';
    var prototype = Target.prototype, constructor = Target;
    function Target(slug, name, config){
      this.slug = slug;
      this.name = name;
      this.config = config;

      this.active = this.config.active;

    }
    return Target;
  }());

  out$.SpaceWeather = SpaceWeather = (function(){

    "The main app, instanciated from an inline script.\nIt defaults to an interval starting a year ago, and ending in seven days.\n(both at midnight)";

    SpaceWeather.displayName = 'SpaceWeather';

    var API_TIME_FORMAT, INPUT_TIME_FORMAT, prototype = SpaceWeather.prototype, constructor = SpaceWeather;

    API_TIME_FORMAT = "YYYY-MM-DDTHH:mm:ss";

    INPUT_TIME_FORMAT = "YYYY-MM-DD";

    function SpaceWeather(configuration){

      var configs, res$, k, this$ = this;

      this.configuration = configuration;

      console.info("©2017\n  _   _      _ _       ____\n | | | | ___| (_) ___ |  _ \\ _ __ ___  _ __   __ _\n | |_| |/ _ \\ | |/ _ \\| |_) | '__/ _ \\| '_ \\ / _` |\n |  _  |  __/ | | (_) |  __/| | | (_) | |_) | (_| |\n |_| |_|\\___|_|_|\\___/|_|_  |_|_ \\___/| .__/ \\__,_|\n | |__  _   _   / ___|  _ \\|  _ \\|  _ \\_|\n | '_ \\| | | | | |   | | | | |_) | |_) |\n | |_) | |_| | | |___| |_| |  __/|  __/\n |_.__/ \\__, |  \\____|____/|_|   |_|\n        |___/\n\nThe full source of this website is available at :\nhttps://gitlab.irap.omp.eu/CDPP/SPACEWEATHERONLINE");

      this.targets = {};

      res$ = [];

      for (k in this.configuration.targets) {
        res$.push(this.configuration.targets[k]);

      }
      configs = res$;

      configs.forEach(function(target_config){
        return this$.targets[target_config.slug] = new Target(target_config.slug, target_config.name, target_config);

      });

      this.parameters = {};
      this.configuration['parameters'].forEach(function(p){
        return this$.parameters[p['id']] = p;
      });

      this.orbiter = null;

      this.timeSeries = [];

    }

    SpaceWeather.prototype.init = function(){
      "This is called by the inline bootstrap javascript code.\nThis ain't in the constructor because it might return a Promise later on.\n(for the loader, for example)";

      var started_at, stopped_at, this$ = this;

      started_at = moment().subtract(1, 'year').hours(0).minutes(0).seconds(0);

      stopped_at = moment().add(1, 'week').hours(0).minutes(0).seconds(0);

      this.setStartAndStop(started_at, stopped_at);

      this.loadAndCreatePlots(started_at, stopped_at);

      return window.addEventListener('resize', function(){
        return this$.resize();
      });
    };
    SpaceWeather.prototype.buildDataUrlForTarget = function(target_slug, started_at, stopped_at){

      var url;
      url = this.configuration['api']['data_for_interval'];

      url = url.replace('<target>', target_slug);

      url = url.replace('<started_at>', started_at);
      url = url.replace('<stopped_at>', stopped_at);

      return url;
    };

    SpaceWeather.prototype.buildDownloadUrl = function(){
      var ref$, started_at, stopped_at, targets, t, url;
      ref$ = this.getDomain(), started_at = ref$[0], stopped_at = ref$[1];
      targets = (function(){
        var results$ = [];
        for (t in this.targets) {
          if (this.targets[t].active) {
            results$.push(t);
          }
        }
        return results$;
      }.call(this)).sort().join('-');
      url = this.configuration['api']['download'];
      url = url.replace('<targets>', targets);
      url = url.replace('<started_at>', started_at.format(API_TIME_FORMAT));
      url = url.replace('<stopped_at>', stopped_at.format(API_TIME_FORMAT));
      return url;
    };

    SpaceWeather.prototype.addTarget = function(target){
      this.targets[target.slug] = target;

      return this;
    };

    SpaceWeather.prototype.enableTarget = function(target_slug){

      var this$ = this;

      this.timeSeries.forEach(function(ts){

        if (ts.target.slug === target_slug && this$.parameters[ts.parameter].active) {

          return ts.show();

        }
      });

      this.targets[target_slug].active = true;

      return this;
    };

    SpaceWeather.prototype.disableTarget = function(target_slug){

      this.timeSeries.forEach(function(ts){

        if (ts.target.slug === target_slug) {

          return ts.hide();

        }
      });

      this.targets[target_slug].active = false;

      return this;
    };

    SpaceWeather.prototype.resize = function(){

      var ref$;

      if ((ref$ = this.orbits) != null) {
        ref$.resize();
      }

      return this.timeSeries.forEach(function(ts){

        return ts.resize();
      });

    };

    SpaceWeather.prototype.showLoader = function(){

      return $('#plots_loader').show();

    };

    SpaceWeather.prototype.hideLoader = function(){

      return $('#plots_loader').hide();

    };

    SpaceWeather.prototype.loadData = function(target_slug, started_at, stopped_at){
      "Load the data as CSV for the specified target and interval,\nand return it in a Promise.";

      var sw;

      sw = this;

      return new Promise(function(resolve, reject){

        var url;

        url = sw.buildDataUrlForTarget(target_slug, started_at, stopped_at);

        return d3.csv(url, function(csv){

          var timeFormat, data;

          console.debug("Requested CSV for " + target_slug + "...", csv);

          timeFormat = d3.timeParse('%Y-%m-%dT%H:%M:%S%Z');
          data = {
            'hci': []
          };
          configuration['parameters'].forEach(function(parameter){
            return data[parameter['id']] = [];
          });

          if (!csv) {
            reject("CSV is empty or nonexistent at URL '" + url + "'.");
          }

          if (!csv.length) {
            reject("CSV is empty at '" + url + "'.");
          }

          csv.forEach(function(d){
            var dtime;
            dtime = timeFormat(d['time']);
            configuration['parameters'].forEach(function(parameter){
              var id;
              id = parameter['id'];
              return data[id].push({
                x: dtime,
                y: parseFloat(d[id])
              });
            });
            if (d['xhci'] && d['yhci']) {
              return data['hci'].push({
                t: dtime,
                x: parseFloat(d['xhci']),
                y: parseFloat(d['yhci'])
              });
            }
          });
          return resolve(data);
        });
      });

    };
    SpaceWeather.prototype.loadAndCreatePlots = function(started_at, stopped_at){

      "started_at: moment(.js) object\nstopped_at: moment(.js) object";

      var k, this$ = this;

      this.showLoader();

      this.started_at = started_at;
      this.stopped_at = stopped_at;
      this.orbits = new Orbits(this.configuration.orbits_container, this.configuration);

      started_at = started_at.format(API_TIME_FORMAT);
      stopped_at = stopped_at.format(API_TIME_FORMAT);

      return (function(){
        var results$ = [];
        for (k in this.targets) {
          results$.push(this.targets[k]);

        }

        return results$;
      }.call(this)).forEach(function(target){

        var targetButton;
        console.info("Loading CSV data of " + target.name + "…");

        targetButton = $(".targets-filters .target." + target.slug);

        targetButton.addClass('loading');

        targetButton.removeClass('failed');

        return this$.loadData(target.slug, started_at, stopped_at).then(function(data){

          console.info("Loaded CSV data of " + target.name + ".", data);

          this$.createTimeSeries(target, data);
          this$.orbits.initOrbiter(target.slug, target.config, data['hci']);
          targetButton.removeClass('loading');

          if (target.active) {
            return this$.hideLoader();
          } else {
            return this$.disableTarget(target.slug);
          }

        }, function(error){

          console.error("Failed loading CSV data of " + target.name + ".", error);

          alert("There was an error with " + target.name + ".\nPlease retry.");
          targetButton.addClass('failed');

          targetButton.removeClass('loading');
          return this$.hideLoader();

        });
      });
    };
    SpaceWeather.prototype.clearPlots = function(){

      this.orbits.clear();

      this.timeSeries.forEach(function(ts){

        return ts.clear();
      });
      this.orbits = null;

      this.timeSeries = [];

      return this;

    };

    SpaceWeather.prototype.createTimeSeries = function(target, data){

      var this$ = this;

      this.configuration['parameters'].forEach(function(parameter){
        var container, id, title;

        container = this$.configuration['time_series_container'];

        id = parameter['id'];
        title = parameter['title'];
        if (!(id in data)) {
          console.error("No data for id '" + id + "'.", data);
        }

        return this$.timeSeries.push(new TimeSeries(id, title, target, data[id], this$.parameters[id].active, container));

      });

      this.timeSeries.forEach(function(ts){

        ts.options['onMouseOver'] = function(){

          this$.timeSeries.forEach(function(ts2){

            return ts2.showCursor();
          });

          return true;

        };
        ts.options['onMouseOut'] = function(){

          this$.timeSeries.forEach(function(ts2){

            return ts2.hideCursor();
          });

          return true;

        };

        ts.options['onMouseMove'] = function(t){

          var ref$;

          this$.timeSeries.forEach(function(ts2){

            return ts2.moveCursor(t);
          });

          if ((ref$ = this$.orbits) != null) {
            ref$.moveToDate(t);
          }
          return true;

        };

        ts.options['onBrushEnd'] = function(sta, sto){

          this$.resizeDomain(moment(sta), moment(sto));

          return true;

        };
        return ts.options['onDblClick'] = function(){

          var ref$;
          this$.resetZoom();
          if ((ref$ = $("#zoom_controls_help")) != null) {
            ref$.remove();
          }
          return true;

        };

      });

      return this.timeSeries;

    };

    SpaceWeather.prototype.enableParameter = function(parameter_slug){

      var this$ = this;

      if (!(parameter_slug in this.parameters)) {
        console.error("Unknown parameter " + parameter_slug + ".");
      }

      this.parameters[parameter_slug].active = true;

      this.timeSeries.forEach(function(ts){

        if (ts.parameter === parameter_slug && this$.targets[ts.target.slug].active) {

          return ts.show();

        }
      });

      return this;
    };
    SpaceWeather.prototype.disableParameter = function(parameter_slug){
      if (!(parameter_slug in this.parameters)) {
        console.error("Unknown parameter " + parameter_slug + ".");
      }

      this.parameters[parameter_slug].active = false;

      this.timeSeries.forEach(function(ts){

        if (ts.parameter === parameter_slug) {

          return ts.hide();

        }
      });

      return this;
    };

    SpaceWeather.prototype.getDomain = function(){
      if (this.current_started_at != null && this.current_stopped_at != null) {
        return [this.current_started_at, this.current_stopped_at];
      }
      return [this.started_at, this.stopped_at];
    };

    SpaceWeather.prototype.resizeDomain = function(started_at, stopped_at){

      var ref$, max_stopped_at, formatted_started_at, formatted_stopped_at;

      if (stopped_at < started_at) {

        ref$ = [stopped_at, started_at], started_at = ref$[0], stopped_at = ref$[1];

      }
      if (started_at === stopped_at) {

        console.warn("Please provide distinct start and stop dates.");

        return;
      }

      max_stopped_at = started_at.clone().add(2, 'years');
      if (stopped_at > max_stopped_at) {
        console.warn("The time interval was truncated beacuse it was bigger than two years.");
        stopped_at = max_stopped_at;
      }

      this.setStartAndStop(started_at, stopped_at);
      formatted_started_at = started_at.format();
      formatted_stopped_at = stopped_at.format();

      if ((this.started_at <= started_at && started_at <= this.stopped_at) && (this.started_at <= stopped_at && stopped_at <= this.stopped_at)) {

        console.info("Resizing the temporal domain from " + formatted_started_at + " to " + formatted_stopped_at + " without fetching new data…");
        this.timeSeries.forEach(function(ts){

          if (!ts.visible) {
            return ts.zoomIn(started_at, stopped_at);
          }
        });

        this.timeSeries.forEach(function(ts){

          if (ts.visible) {
            return ts.zoomIn(started_at, stopped_at);
          }

        });
        this.orbits.resizeDomain(started_at, stopped_at);

      } else {
        console.info("Resizing the temporal domain from " + formatted_started_at + " to " + formatted_stopped_at + " and fetching new data…");
        console.warn("This might take a while… Why not see what else we're up to on http://cdpp.eu while you're waiting?");
        this.clearPlots();
        this.loadAndCreatePlots(started_at, stopped_at);

      }

      return this;

    };

    SpaceWeather.prototype.resetZoom = function(){

      this.timeSeries.forEach(function(ts){

        return ts.resetZoom();
      });

      this.orbits.resetZoom();
      this.setStartAndStop(this.started_at, this.stopped_at);
      return this;
    };
    SpaceWeather.prototype.setStartAndStop = function(started_at, stopped_at){

      console.info("Setting time interval from " + started_at + " to " + stopped_at + "…");

      this.current_started_at = started_at;
      this.current_stopped_at = stopped_at;
      $("#started_at").val(started_at.format(INPUT_TIME_FORMAT));
      $("#stopped_at").val(stopped_at.format(INPUT_TIME_FORMAT));
      return this;

    };

    return SpaceWeather;
  }());

  out$.TimeSeries = TimeSeries = (function(){
    TimeSeries.displayName = 'TimeSeries';

    var RATIO, prototype = TimeSeries.prototype, constructor = TimeSeries;

    function TimeSeries(parameter, title, target, data, visible, container, options){

      this.parameter = parameter;

      this.title = title;

      this.target = target;

      this.visible = visible;

      this.container = container;
      this.options = options != null
        ? options
        : {};

      this.onBrushEnd = bind$(this, 'onBrushEnd', prototype);

      this.onDoubleClick = bind$(this, 'onDoubleClick', prototype);

      this.onMouseOut = bind$(this, 'onMouseOut', prototype);
      this.onMouseOver = bind$(this, 'onMouseOver', prototype);
      this.onMouseMove = bind$(this, 'onMouseMove', prototype);

      this.setData(data);

      this.init();
    }

    TimeSeries.prototype.toString = function(){
      return this.title + " of " + this.target.name;
    };

    TimeSeries.prototype.setData = function(data){
      this.data = data;
      this.xDataExtent = d3.extent(this.data, function(d){
        return d.x;
      });
      return this.yDataExtent = d3.extent(this.data, function(d){
        return d.y;
      });
    };

    TimeSeries.prototype.init = function(){

      var clipId, dx, this$ = this;

      console.info("Initializing plot of " + this + "…");

      this.margin = {
        top: 30,
        right: 20,
        bottom: 30,

        left: 80

      };

      this.xScale = d3.scaleTime().domain(this.xDataExtent);
      this.yScale = d3.scaleLinear().domain(this.yDataExtent);

      this.xAxis = d3.axisBottom().ticks(7);

      this.yAxis = d3.axisLeft().ticks(10);
      this.line = d3.line().x(function(d){
        return this$.xScale(d.x);
      }).y(function(d){
        return this$.yScale(d.y);
      });
      this.svg = d3.select(this.container).append('svg');

      this.svg.attr("class", this.parameter + " " + this.target.slug);

      this.plotWrapper = this.svg.append('g');
      this.plotWrapper.attr('transform', 'translate(' + this.margin.left + ',' + this.margin.top + ')');

      clipId = "ts-clip-" + this.parameter + "-" + this.target.slug;
      this.clip = this.svg.append("defs").append("svg:clipPath").attr("id", clipId).append("svg:rect").attr("x", 0).attr("y", 0);
      this.pathWrapper = this.plotWrapper.append('g');
      this.pathWrapper.attr("clip-path", "url(#" + clipId + ")");
      this.path = this.pathWrapper.append('path').datum(this.data).classed('line', true);

      this.brush = this.plotWrapper.append("g").attr("class", "brush");
      this.mouseCanvas = this.plotWrapper.append("rect").style("fill", "none");

      this.plotWrapper.append('g').classed('x axis', true);
      this.plotWrapper.append('g').classed('y axis', true);
      this.yAxisText = this.plotWrapper.append("text").attr("transform", "rotate(-90)").attr("dy", "1em").style("text-anchor", "middle").text(this.title);

      this.yAxisTextTarget = this.plotWrapper.append("text").attr("transform", "rotate(-90)").attr("dy", "1em").style("text-anchor", "middle").style("font-style", "oblique").text(this.target.name);

      this.focus = this.plotWrapper.append('g').style("display", "none");
      this.cursorCircle = this.focus.append("circle").attr("class", "cursor-circle").attr("r", 3);

      dx = 8;
      this.cursorValueShadow = this.focus.append("text").attr("class", "cursor-text cursor-text-shadow").attr("dx", dx).attr("dy", "-.3em");
      this.cursorValue = this.focus.append("text").attr("class", "cursor-text cursor-value").attr("dx", dx).attr("dy", "-.3em");
      this.cursorDateShadow = this.focus.append("text").attr("class", "cursor-text cursor-text-shadow").attr("dx", dx).attr("dy", "1em");
      this.cursorDate = this.focus.append("text").attr("class", "cursor-text cursor-date").attr("dx", dx).attr("dy", "1em");

      return this.resize();
    };

    RATIO = GOLDEN_RATIO * GOLDEN_RATIO * GOLDEN_RATIO * GOLDEN_RATIO;

    TimeSeries.prototype.resize = function(){
      var width, height;

      width = Math.ceil($(this.container).width() - this.margin.left - this.margin.right);
      height = Math.ceil(RATIO * width);

      this.plotWidth = width;
      this.plotHeight = height;

      console.debug("Resizing " + this + ": " + width + " x " + height + "…");

      this.xScale.range([0, width]);
      this.yScale.range([height, 0]);
      this.svg.attr('width', width + this.margin.right + this.margin.left).attr('height', height + this.margin.top + this.margin.bottom);

      this.clip.attr("width", width).attr("height", height);

      this.path.attr('d', this.line);
      this.xAxis.scale(this.xScale);
      this.yAxis.scale(this.yScale);

      this.xAxis.ticks(Math.floor(width / 90.0));
      this.yAxis.ticks(Math.floor(height / 18.0));

      this.svg.select('.x.axis').attr('transform', 'translate(0,' + height + ')').call(this.xAxis);
      this.svg.select('.y.axis').call(this.yAxis);

      this.yAxisText.attr("y", 20 - this.margin.left).attr("x", 0 - height / 2);

      this.yAxisTextTarget.attr("y", 0 - this.margin.left).attr("x", 0 - height / 2);

      this.mouseCanvas.attr("width", width).attr("height", height);

      if (this.brushFunction == null) {

        console.debug("Creating the zooming brush for " + this + "…");

        this.brushFunction = d3.brushX().extent([[0, 0], [width, height]]).handleSize(0).on("end", this.onBrushEnd);
        this.brush.call(this.brushFunction);

        this.svg.select(".brush .overlay").on("mouseover.swapp", this.onMouseOver).on("mouseout.swapp", this.onMouseOut).on("mousemove.swapp", this.onMouseMove).on("dblclick.swapp", this.onDoubleClick);

      }

      if (!this.visible) {
        this.hide();

      }

      return this;
    };

    TimeSeries.prototype.clear = function(){
      $(this.svg.node()).remove();
      return this.visible = false;
    };

    TimeSeries.prototype.show = function(){
      $(this.svg.node()).show();
      return this.visible = true;
    };
    TimeSeries.prototype.hide = function(){
      $(this.svg.node()).hide();
      return this.visible = false;
    };

    TimeSeries.prototype.onMouseMove = function(){
      var x;
      x = this.xScale.invert(d3.mouse(this.mouseCanvas.node())[0]);
      if (this.options.onMouseMove != null) {

        return this.options.onMouseMove(x);

      } else {

        return this.moveCursor(x);

      }

    };
    TimeSeries.prototype.onMouseOver = function(){
      if (this.options.onMouseOver != null) {
        return this.options.onMouseOver();
      } else {
        return this.showCursor();
      }
    };
    TimeSeries.prototype.onMouseOut = function(){
      if (this.options.onMouseOut != null) {
        return this.options.onMouseOut();
      } else {
        return this.hideCursor();
      }
    };

    TimeSeries.prototype.onDoubleClick = function(){

      if (this.options.onDblClick != null) {
        return this.options.onDblClick();
      } else {
        return this.resetZoom();
      }

    };

    TimeSeries.prototype.onBrushEnd = function(){
      var s, minmax;
      s = d3.event.selection;

      if (s) {
        minmax = [s[0], s[1]].map(this.xScale.invert, this.xScale);

        this.brush.call(this.brushFunction.move, null);

        if (this.options.onBrushEnd != null) {
          return this.options.onBrushEnd(minmax[0], minmax[1]);
        } else {
          return this.zoomIn(minmax[0], minmax[1]);
        }

      }
    };
    TimeSeries.prototype.zoomIn = function(startDate, stopDate){
      var ref$, minDate, maxDate;
      console.debug("Zooming in " + this + " from " + startDate + " to " + stopDate + ".");

      ref$ = this.xDataExtent, minDate = ref$[0], maxDate = ref$[1];

      if (startDate < minDate) {
        startDate = minDate;
      }
      if (stopDate > maxDate) {
        stopDate = maxDate;

      }

      this.xScale.domain([startDate, stopDate]);
      return this.applyZoom();
    };
    TimeSeries.prototype.resetZoom = function(){

      this.xScale.domain(this.xDataExtent);
      this.yScale.domain(this.yDataExtent);

      return this.applyZoom();

    };

    TimeSeries.prototype.applyZoom = function(){

      var t;

      if (this.visible) {

        console.debug("Applying zoom to visible " + this + "…");

        t = this.svg.transition().duration(750);
        this.svg.select('.x.axis').transition(t).call(this.xAxis);
        this.svg.select('.y.axis').transition(t).call(this.yAxis);
        return this.path.transition(t).attr('d', this.line);
      } else {

        console.debug("Applying zoom to hidden " + this + "…");

        this.svg.select('.x.axis').call(this.xAxis);
        this.svg.select('.y.axis').call(this.yAxis);
        return this.path.attr('d', this.line);
      }

    };

    TimeSeries.prototype.showCursor = function(){
      return this.focus.style("display", null);
    };
    TimeSeries.prototype.hideCursor = function(){
      return this.focus.style("display", "none");
    };

    TimeSeries.prototype.bisectDate = d3.bisector(function(d){
      return d.x;
    }).left;

    TimeSeries.prototype.timeFormat = d3.timeFormat("%Y-%m-%d %Hh");

    TimeSeries.prototype.moveCursor = function(x0){

      var i, d0, d1, d, xx, yy, mirrored, dx, transform;

      i = this.bisectDate(this.data, x0, 1);
      d0 = this.data[i - 1];
      d1 = this.data[i];

      if (!(d1 && d0)) {
        return;
      }

      d = x0 - d0.x > d1.x - x0 ? d1 : d0;
      xx = this.xScale(d.x);
      yy = this.yScale(d.y);

      mirrored = this.plotWidth != null && xx > this.plotWidth / 2 ? true : false;
      dx = 8;
      if (mirrored) {
        dx = -1 * dx;
      }

      transform = "translate(" + xx + ", " + yy + ")";

      this.cursorCircle.attr("transform", transform);

      this.cursorValue.attr("transform", transform).text(d.y).attr('text-anchor', mirrored ? 'end' : 'start').attr("dx", dx);
      this.cursorValueShadow.attr("transform", transform).text(d.y).attr('text-anchor', mirrored ? 'end' : 'start').attr("dx", dx);
      this.cursorDate.attr("transform", transform).text(this.timeFormat(d.x)).attr('text-anchor', mirrored ? 'end' : 'start').attr("dx", dx);
      this.cursorDateShadow.attr("transform", transform).text(this.timeFormat(d.x)).attr('text-anchor', mirrored ? 'end' : 'start').attr("dx", dx);

      return this;
    };
    return TimeSeries;
  }());
  out$.Orbits = Orbits = (function(){

    "View of the solar system from above, with orbits segments for selected time\ninterval, from real data.";

    Orbits.displayName = 'Orbits';
    var prototype = Orbits.prototype, constructor = Orbits;

    function Orbits(container, options){

      this.container = container;
      this.options = options != null
        ? options
        : {};

      this.init();
    }
    Orbits.prototype.init = function(){

      console.log("Initializing plot of orbits…");

      this.margin = {
        top: 30,
        right: 20,

        bottom: 42,

        left: 60
      };

      this.data = {};
      this.orbiters = {};

      this.orbitersElements = {};

      this.extremum = 1;

      this.xScale = d3.scaleLinear().domain([-1 * this.extremum, this.extremum]);
      this.yScale = d3.scaleLinear().domain([-1 * this.extremum, this.extremum]);
      this.xAxis = d3.axisBottom().ticks(10);
      this.yAxis = d3.axisLeft().ticks(10);
      this.svg = d3.select(this.container).append('svg');
      this.plotWrapper = this.svg.append('g');
      this.plotWrapper.attr('transform', 'translate(' + this.margin.left + ',' + this.margin.top + ')');

      this.xAxisLine = this.plotWrapper.append('g').classed('x axis', true);
      this.yAxisLine = this.plotWrapper.append('g').classed('y axis', true);
      this.xAxisTitle = this.xAxisLine.append('text').attr('fill', '#000');
      this.xAxisTitle.style("text-anchor", "middle");
      this.xAxisTitle.append('tspan').text('X');

      this.xAxisTitle.append('tspan').attr('dy', '3px').text('HEE').attr('font-size', '8px');

      this.xAxisTitle.append('tspan').attr('dy', '-3px').text('   (AU)');

      this.yAxisTitle = this.yAxisLine.append('text').attr('fill', '#000');
      this.yAxisTitle.style("text-anchor", "middle");
      this.yAxisTitle.append('tspan').text('Y');
      this.yAxisTitle.append('tspan').attr('dy', '3px').text('HEE').attr('font-size', '8px');
      this.yAxisTitle.append('tspan').attr('dy', '-3px').text('   (AU)');
      this.yAxisTitle.attr('transform', 'rotate(-90)');

      this.sun = this.plotWrapper.append("svg:image").attr('xlink:href', this.options.sun.img).attr('width', '32px').attr('height', '32px');

      this.sun.append('svg:title').text("Sol");

      $(this.svg.node()).hide();

      return this.resize();
    };

    Orbits.prototype.initOrbiter = function(slug, config, data){

      var orbit_ellipse, orbiter, orbit_line, orbit_section, this$ = this;

      console.info("Initializing orbit of " + config.name + "…");

      if (slug in this.orbitersElements) {
        throw new Error("Second init of " + slug);
      }

      this.extremum = Math.max(this.extremum, 1.11 * d3.max(data, function(d){
        return Math.max(Math.abs(d.x), Math.abs(d.y));
      }));
      this.xScale = d3.scaleLinear().domain([-1 * this.extremum, this.extremum]);
      this.yScale = d3.scaleLinear().domain([-1 * this.extremum, this.extremum]);

      orbit_ellipse = this.plotWrapper.append("svg:ellipse").classed('orbit orbit_ellipse', true);
      orbiter = this.plotWrapper.append("svg:image").attr('xlink:href', config['img']).attr('width', '32px').attr('height', '32px');
      orbit_line = d3.line().x(function(d){
        return this$.xScale(d.x);
      }).y(function(d){
        return this$.yScale(d.y);
      });

      orbit_section = this.plotWrapper.append('path').datum(data).classed('orbit orbit_section', true);
      this.orbiters[slug] = config;
      this.data[slug] = data;

      this.orbitersElements[slug] = {
        orbiter: orbiter,
        orbit_ellipse: orbit_ellipse,
        orbit_section: orbit_section,
        orbit_line: orbit_line
      };

      this.resize();

      $(this.svg.node()).show();

      return this;
    };

    Orbits.prototype.clear = function(){
      return $(this.svg.node()).remove();
    };

    Orbits.prototype.resize = function(){
      var width, height, slug, ref$, config;

      width = Math.ceil($(this.container).width() - this.margin.left - this.margin.right);
      height = Math.ceil(1.0 * width);
      console.debug("Resizing orbits : " + width + " × " + height + "…");

      this.xScale.range([0, width]);
      this.yScale.range([height, 0]);
      this.svg.attr('width', width + this.margin.right + this.margin.left).attr('height', height + this.margin.top + this.margin.bottom);

      this.sun.attr("x", width / 2 - 16).attr("y", height / 2 - 16);

      for (slug in ref$ = this.orbiters) {
        config = ref$[slug];

        this.resizeOrbiter(slug, config, width, height);

      }
      this.xAxis.scale(this.xScale);
      this.yAxis.scale(this.yScale);
      this.svg.select('.x.axis').attr('transform', 'translate(0,' + height + ')').call(this.xAxis);
      this.svg.select('.y.axis').call(this.yAxis);

      this.xAxisTitle.attr("x", width / 2).attr("y", 37);
      this.yAxisTitle.attr("x", -1 * height / 2).attr("y", -30);

      return this;
    };

    Orbits.prototype.resizeOrbiter = function(slug, config, width, height){
      var el, a, b, c, cx, cy, data;
      console.debug("Resizing orbit of " + slug + "…");

      el = this.orbitersElements[slug];
      el['orbit_section'].attr('d', el['orbit_line']);
      a = config['orbit']['a'];
      b = config['orbit']['b'];
      c = Math.sqrt(a * a - b * b);
      cx = width / 2 - c;
      cy = height / 2;
      this.yScale.range([0, height]);

      el['orbit_ellipse'].attr('cx', cx).attr('cy', cy).attr('rx', this.xScale(a) - this.xScale(0)).attr('ry', this.yScale(b) - this.yScale(0));

      this.yScale.range([height, 0]);

      data = this.data[slug];

      el['orbiter'].attr('x', this.xScale(data[data.length - 1].x) - 16);
      el['orbiter'].attr('y', this.yScale(data[data.length - 1].y) - 16);
      return this;
    };

    Orbits.prototype.repositionOrbiter = function(slug, datum){
      var data, el;

      data = this.data[slug];

      datum == null && (datum = data[data.length - 1]);
      el = this.orbitersElements[slug];
      el['orbiter'].attr('x', this.xScale(datum.x) - 16);
      el['orbiter'].attr('y', this.yScale(datum.y) - 16);
      return this;
    };
    Orbits.prototype.bisectDate = d3.bisector(function(d){
      return d.t;
    }).left;
    Orbits.prototype.moveToDate = function(t){

      var slug, ref$, el, data, i, d0, d1, d;
      if (!t) {

        console.warn("Trying to move to an undefined date !");

      }

      for (slug in ref$ = this.orbitersElements) {
        el = ref$[slug];

        data = this.data[slug];

        i = this.bisectDate(data, t, 1);
        d0 = data[i - 1];
        d1 = data[i];
        if (!(d1 && d0)) {
          continue;
        }
        d = t - d0.t > d1.t - t ? d1 : d0;

        this.repositionOrbiter(slug, d);

      }

      return this;

    };

    Orbits.prototype.resizeDomain = function(started_at, stopped_at){
      var slug, ref$, config, el, data, results$ = [];
      for (slug in ref$ = this.orbiters) {
        config = ref$[slug];
        el = this.orbitersElements[slug];
        data = this.data[slug].filter(fn$);
        el['orbit_section'].datum(data);
        results$.push(el['orbit_section'].attr('d', el['orbit_line']));
      }
      return results$;
      function fn$(d){
        var ref$;
        return started_at <= (ref$ = d.t) && ref$ <= stopped_at;
      }
    };
    Orbits.prototype.resetZoom = function(){
      var slug, ref$, config, el, results$ = [];
      for (slug in ref$ = this.orbiters) {
        config = ref$[slug];
        el = this.orbitersElements[slug];
        el['orbit_section'].datum(this.data[slug]);
        results$.push(el['orbit_section'].attr('d', el['orbit_line']));
      }
      return results$;
    };

    return Orbits;
  }());

  function bind$(obj, key, target){
    return function(){ return (target || obj)[key].apply(obj, arguments) };
  }

}).call(this);