Exoplanets II

An update of Exoplanets parallel coordinates with updated data and using D3 Version 4.

Confirmed exoplanet data from NASA Exoplanet Archive.

<!DOCTYPE html>
<meta charset="utf-8">
<title>Nutrient Parallel Coordinates IV</title>
<body>
<script src="https://d3js.org/d3.v4.js"></script>
<script src="render-queue.js"></script>
<link rel="stylesheet" href="style.css"></link>
<script>
var margin = {top: 66, right: 110, bottom: 20, left: 188},
    width = document.body.clientWidth - margin.left - margin.right,
    height = 340 - margin.top - margin.bottom,
    innerHeight = height - 2;

var devicePixelRatio = window.devicePixelRatio || 1;

var color = d3.scaleOrdinal()
  .domain(["Radial Velocity", "Imaging", "Eclipse Timing Variations", "Astrometry", "Microlensing", "Orbital Brightness Modulation", "Pulsar Timing", "Pulsation Timing Variations", "Transit", "Transit Timing Variations"])
  .range(["#DB7F85", "#50AB84", "#4C6C86", "#C47DCB", "#B59248", "#DD6CA7", "#E15E5A", "#5DA5B3", "#725D82", "#54AF52", "#954D56", "#8C92E8", "#D8597D", "#AB9C27", "#D67D4B", "#D58323", "#BA89AD", "#357468", "#8F86C2", "#7D9E33", "#517C3F", "#9D5130", "#5E9ACF", "#776327", "#944F7E"]);

},
  {
    key: "pl_disc",
    description: "Year of Discovery",
    type: types["Date"]
  },
  {
    key: "pl_facility",
    description: "Facility",
    type: types["String"],
    domain: ["Kepler", "La Silla Observatory", "K2", "W. M. Keck Observatory", "SuperWASP", "Multiple Observatories", "HATNet", "Haute-Provence Observatory", "Anglo-Australian Telescope", "OGLE", "Lick Observatory", "HATSouth", "CoRoT", "McDonald Observatory", "Okayama Astrophysical Observatory", "MOA", "Bohyunsan Optical Astronomical Observatory", "Las Campanas Observatory", "SuperWASP-South", "Roque de los Muchachos Observatory", "Paranal Observatory", "Gemini Observatory", "KELT", "Subaru Telescope", "Thueringer Landessternwarte Tautenburg", "XO", "Multiple Facilities", "Hubble Space Telescope", "Fred Lawrence Whipple Observatory", "TrES", "kepler", "KELT-South", "Spitzer Space Telescope", "Arecibo Observatory", "United Kingdom Infrared Telescope", "Large Binocular Telescope Observatory", "Xinglong Station", "Cerro Tololo Inter-American Observatory", "Palomar Observatory", "SuperWASP-North", "Qatar", "Teide Observatory", "European Southern Observatory", "Leoncito Astronomical Complex", "Infrared Survey Facility", "KMTNet", "Parkes Observatory", "Apache Point Observatory", "Oak Ridge Observatory", "MEarth Project", "Yunnan Astronomical Observatory", "Kitt Peak National Observatory"],
    axis: d3.axisRight()
      .tickFormat(function(d,i) {
        return d;
      })
  }
  /*
  {
    key: "pl_telescope",
    description: "Telescope",
    type: types["String"],
    axis: d3.axisRight()
      .tickFormat(function(d,i) {
        return d;
      })
  }
  */
  /*
  {
    key: "pl_instrument",
    description: "Instrument",
    type: types["String"],
    axis: d3.axisRight()
      .tickFormat(function(d,i) {
        return d;
      })
  }
  */
];

var xscale = d3.scalePoint()
    .domain(d3.range(dimensions.length))
    .range([0, width]);

var yAxis = d3.axisLeft();

var container = d3.select("body").append("div")
    .attr("class", "parcoords")
    .style("width", width + margin.left + margin.right + "px")
    .style("height", height + margin.top + margin.bottom + "px");

var svg = container.append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

var canvas = container.append("canvas")
    .attr("width", width * devicePixelRatio)
    .attr("height", height * devicePixelRatio)
    .style("width", width + "px")
    .style("height", height + "px")
    .style("margin-top", margin.top + "px")
    .style("margin-left", margin.left + "px");

var ctx = canvas.node().getContext("2d");
ctx.globalCompositeOperation = 'darken';
ctx.globalAlpha = 0.15;
ctx.lineWidth = 1.5;
ctx.scale(devicePixelRatio, devicePixelRatio);

var output = d3.select("body").append("pre");

var axes = svg.selectAll(".axis")
    .data(dimensions)
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    .attr("class", function(d) { return "axis " + d.key.replace(/ /g, "_"); })
    .attr("transform", function(d,i) { return "translate(" + xscale(i) + ")"; });

d3.csv("planets.csv", function(error, data) {
  if (error) throw error;

data.forEach(function(d) {
    dimensions.forEach(function(p) {
      d[p.key] = !d[p.key] ? null : p.type.coerce(d[p.key]);
    });

// truncate long text strings to fit in data table
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    }
  });

// type/dimension default setting happens here
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      // detect domain using dimension type's extent function
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    }
    if (!("scale" in dim)) {
      // use type's default scale for dimension
      dim.scale = dim.type.defaultScale.copy();
    }
    dim.scale.domain(dim.domain);
  });

var render = renderQueue(draw).rate(30);

ctx.clearRect(0,0,width,height);
  ctx.globalAlpha = d3.min([1.15/Math.pow(data.length,0.3),1]);
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axes.append("g")
      .each(function(d) {
        var renderAxis = "axis" in d
          ? d.axis.scale(d.scale)  // custom axis
          : yAxis.scale(d.scale);  // default axis
        d3.select(this).call(renderAxis);
      })
    .append("text")
      .attr("class", "title")
      .attr("text-anchor", "start")
      .text(function(d) { return "description" in d ? d.description : d.key; });

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          .on("start", brushstart)
          .on("brush", brush)
          .on("end", brush)
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      .attr("x", -8)
      .attr("width", 16);

d3.selectAll(".axis.pl_discmethod .tick text")
    .style("fill", color);
    
  output.text(d3.tsvFormat(data.slice(0,24)));

function project(d) {
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      ) return null;

return [xscale(i),p.scale(d[p.key])];
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ctx.lineTo(p[0],p[1]);
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  }

function brushstart() {
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// Handles a brush event, toggling the display of foreground lines.
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// show ticks for active brush dimensions
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        .filter(function(d) {
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        })
        .classed("active", true)
        .each(function(dimension, i) {
          var extent = extents[i];
          d3.select(this)
            .selectAll(".tick text")
            .style("display", function(d) {
              var value = dimension.type.coerce(d);
              return dimension.type.within(value, extent, dimension) ? null : "none";
            });
        });

// reset dimensions without active brushes
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        .filter(function(d) {
          return actives.indexOf(d) > -1 ? false : true;
        })
        .classed("active", false)
        .selectAll(".tick text")
          .style("display", null);
    */

ctx.clearRect(0,0,width,height);
    ctx.globalAlpha = d3.min([0.85/Math.pow(selected.length,0.3),1]);
    render(selected);

output.text(d3.tsvFormat(selected.slice(0,24)));
  }
});

function d3_functor(v) {
  return typeof v === "function" ? v : function() { return v; };
};
</script>

https://d3js.org/d3.v4.js