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              <script src="//www.amcharts.com/lib/4/core.js"></script>
<script src="//www.amcharts.com/lib/4/charts.js"></script>
<script src="//www.amcharts.com/lib/4/themes/animated.js"></script>
<div id="chartdiv"></div>
            
          
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              body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  height:98vh;
  font-size:0.8em;
}
#chartdiv {
  width: 100%;
  height: 100%;
}

            
          
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              /**
 * ---------------------------------------
 * This demo was created using amCharts 4.
 *
 * For more information visit:
 * https://www.amcharts.com/
 *
 * Documentation is available at:
 * https://www.amcharts.com/docs/v4/
 * ---------------------------------------
 */

// animation is disabled as this demo is too cpu-intense
am4core.useTheme(am4themes_animated);

var data = {
  Acura: {
    ILX: 11757,
    MDX: 54886,
    NSX: 581,
    RDX: 51295,
    RLX: 1237,
    TLX: 34846
  },
  "Alfa Romeo": { "4C": 407, Giulia: 8903, Stelvio: 2721 },
  Audi: {
    A3: 20733,
    "A3 e-tron": 2877,
    A4: 37674,
    A5: 21301,
    A6: 16304,
    A7: 4810,
    A8: 3127,
    Q3: 20633,
    Q5: 57640,
    Q7: 38346,
    R8: 772,
    TT: 2294
  },
  Bentley: {
    Bentayga: 1152,
    "Continental GT": 898,
    "Flying Spur": 257,
    Mulsanne: 98
  },
  BMW: {
    "2-Series": 11737,
    "3-Series": 59449,
    "4-Series": 39634,
    "5-Series": 40658,
    "6-Series": 3355,
    "7-Series": 9276,
    i3: 6276,
    i8: 488,
    X1: 30826,
    X3: 40691,
    X4: 5198,
    X5: 50815,
    X6: 6780,
    Z4: 502
  },
  Buick: {
    Cascada: 5595,
    Enclave: 48564,
    Encore: 88035,
    Envision: 41040,
    LaCrosse: 20161,
    Regal: 11559,
    Verano: 4277
  },
  Cadillac: {
    ATS: 13100,
    CT6: 10542,
    CTS: 10344,
    ELR: 17,
    Escalade: 37694,
    SRX: 156,
    XT5: 68312,
    XTS: 16275
  },
  Chevrolet: {
    Bolt: 23297,
    Camaro: 67940,
    "Caprice PPV": 693,
    "City Express": 8348,
    Colorado: 112996,
    Corvette: 25079,
    Cruze: 184751,
    Equinox: 290458,
    Express: 69164,
    Impala: 75877,
    Malibu: 185857,
    Silverado: 585864,
    Sonic: 30290,
    Spark: 22589,
    SS: 4055,
    Suburban: 56516,
    Tahoe: 98961,
    Traverse: 123506,
    Trax: 79289,
    Volt: 20349
  },
  Chrysler: {
    "200": 18457,
    "300": 51237,
    Pacifica: 118274,
    "Town & Country": 577
  },
  Dodge: {
    Avenger: 14,
    Challenger: 64537,
    Charger: 88351,
    Dart: 10082,
    Durango: 68761,
    "Grand Caravan": 125196,
    Journey: 89470,
    Viper: 585,
    "RAM P/U": 500723,
    "RAM ProMaster": 40483,
    "RAM ProMaster City": 15584
  },
  Fiat: { "124 Spider": 4478, "500": 12685, "500L": 1664, "500X": 7665 },
  Ford: {
    "C-Max": 18390,
    Edge: 142603,
    Escape: 308296,
    "E-Series": 53304,
    Expedition: 51883,
    Explorer: 271131,
    Fiesta: 46249,
    Flex: 22389,
    Focus: 158385,
    "F-Series": 896764,
    Fusion: 209623,
    GT: 89,
    Mustang: 81866,
    Taurus: 41236,
    Transit: 127360,
    "Transit Connect": 34473
  },
  Genesis: { G80: 16196, G90: 4398 },
  GMC: {
    Acadia: 111276,
    Canyon: 32106,
    Savana: 29679,
    Sierra: 217943,
    Terrain: 85441,
    Yukon: 49183,
    "Yukon XL": 35059
  },
  Honda: {
    Accord: 322655,
    Civic: 377286,
    "Clarity FCV": 2455,
    Crosstour: 5,
    "CR-V": 377895,
    "CR-Z": 705,
    Fit: 49454,
    "HR-V": 94034,
    Insight: 3,
    Odyssey: 100307,
    Pilot: 127279,
    Ridgeline: 34749
  },
  Hyundai: {
    Accent: 58955,
    Azera: 3060,
    Elantra: 198210,
    Equus: 20,
    Genesis: 1152,
    Ioniq: 11197,
    "Santa Fe": 133171,
    Sonata: 131803,
    Tucson: 114735,
    Veloster: 12658
  },
  Infiniti: {
    Q50: 40739,
    Q60: 10751,
    Q70: 5772,
    QX30: 14093,
    QX50: 16857,
    QX60: 40444,
    QX70: 6878,
    QX80: 17881
  },
  Jaguar: { "F-Pace": 18946, "F-Type": 4108, XE: 9278, XF: 4541, XJ: 2721 },
  Jeep: {
    Cherokee: 169882,
    Compass: 83253,
    "Grand Cherokee": 240696,
    Patriot: 10735,
    Renegade: 103434,
    Wrangler: 190522
  },
  Kia: {
    Cadenza: 7249,
    Forte: 117596,
    K900: 455,
    Niro: 27237,
    Optima: 107493,
    Rio: 16760,
    Sedona: 23815,
    Sorento: 99684,
    Soul: 115712,
    Sportage: 72824,
    Stinger: 843
  },
  "Land Rover": {
    "Discovery / LR4": 6398,
    "Discovery Sport": 14187,
    "Range Rover": 16869,
    "Range Rover Evoque": 11979,
    "Range Rover Sport": 19153,
    "Range Rover Velar": 6153
  },
  Lexus: {
    CT: 4690,
    ES: 51398,
    GS: 7773,
    GX: 27190,
    IS: 26482,
    LC: 2487,
    LFA: 3,
    LS: 4094,
    LX: 6004,
    NX: 59341,
    RC: 7363,
    RX: 108307
  },
  Lincoln: {
    Continental: 12012,
    MKC: 27048,
    MKS: 153,
    MKT: 3005,
    MKX: 31031,
    MKZ: 27387,
    Navigator: 10523
  },
  Maserati: {
    Ghibli: 5531,
    GranTurismo: 1018,
    Levante: 5448,
    Quattroporte: 1700
  },
  Mazda: {
    "3": 75018,
    "5": 10,
    "6": 33402,
    "CX-3": 16355,
    "CX-5": 127563,
    "CX-9": 25828,
    "MX-5 Miata": 11294
  },
  "Mercedes-Benz": {
    "B-Class": 744,
    "C-Class": 77447,
    "CLA-Class": 20669,
    "E / CLS-Class": 51312,
    "G-Class": 4188,
    "GLA-Class": 24104,
    "GLC-Class": 48643,
    "GLE-Class": 54595,
    "GLS-Class": 32248,
    Metris: 7579,
    "S-Class": 15888,
    "SLC-Class": 2860,
    "SL-Class": 2940,
    Sprinter: 27415
  },
  Mini: { Cooper: 32232, Countryman: 14864, Paceman: 9 },
  Mitsubishi: {
    "i MiEV": 6,
    Lancer: 12725,
    Mirage: 22386,
    Outlander: 35310,
    "Outlander PHEV": 99,
    "Outlander Sport": 33160
  },
  Nissan: {
    "370Z": 4614,
    Altima: 254996,
    Armada: 35667,
    Frontier: 74360,
    "GT-R": 578,
    Juke: 10157,
    Leaf: 11230,
    Maxima: 67627,
    Murano: 76732,
    NV: 17858,
    NV200: 18602,
    Pathfinder: 81065,
    Quest: 4950,
    Rogue: 403465,
    Sentra: 218451,
    Titan: 52924,
    Versa: 106772,
    Xterra: 1
  },
  Porsche: {
    "911": 8970,
    Boxster: 2287,
    Cayenne: 13203,
    Cayman: 2800,
    Macan: 21429,
    Panamera: 6431
  },
  Smart: { Fortwo: 3071 },
  Subaru: {
    BRZ: 4131,
    Crosstrek: 110138,
    Forester: 177563,
    Impreza: 117401,
    Legacy: 49837,
    Outback: 188886
  },
  Tesla: { "Model 3": 2320, "Model S †": 28800, "Model X †": 24000 },
  Toyota: {
    "4Runner": 128296,
    "86/Scion FR-S": 6846,
    Avalon: 32583,
    Camry: 387081,
    "C-HR": 25755,
    Corolla: 329196,
    "FJ Cruiser": 4,
    Highlander: 215775,
    "Land Cruiser": 3100,
    Mirai: 1838,
    Prius: 108662,
    RAV4: 407594,
    Sequoia: 12156,
    Sienna: 111489,
    Tacoma: 198124,
    Tundra: 116285,
    Venza: 14,
    Yaris: 44380
  },
  Volkswagen: {
    Atlas: 27119,
    Beetle: 15166,
    CC: 1355,
    Eos: 1,
    Golf: 68978,
    Jetta: 115807,
    Passat: 60722,
    Tiguan: 46983,
    Touareg: 3545
  },
  Volvo: { S60: 16825, S80: 7, S90: 11090, XC60: 22516, XC90: 30996 }
};

function processData(data) {
  var treeData = [];

  var smallBrands = { name: "Other", children: [] };

  for (var brand in data) {
    var brandData = { name: brand, children: [] };
    var brandTotal = 0;
    for (var model in data[brand]) {
      brandTotal += data[brand][model];
    }

    for (var model in data[brand]) {
      // do not add very small
      if (data[brand][model] > 100) {
        brandData.children.push({ name: model, count: data[brand][model] });
      }
    }

    // add to small brands if total number less than
    if (brandTotal > 100000) {
      treeData.push(brandData);
    } else {
      smallBrands.children.push(brandData);
    }
  }
  treeData.push(smallBrands);
  return treeData;
}

// create chart
var chart = am4core.create("chartdiv", am4charts.TreeMap);
chart.hiddenState.properties.opacity = 0; // this creates initial fade-in

chart.padding(0,0,0,0);
chart.data = processData(data);
// only one level visible initially
chart.maxLevels = 2;
chart.zoomable = false;
// define data fields
chart.dataFields.value = "count";
chart.dataFields.name = "name";
chart.dataFields.children = "children";
chart.homeText = "US Car Sales 2017";

// level 0 series template
var level0SeriesTemplate = chart.seriesTemplates.create("0");
level0SeriesTemplate.strokeWidth = 2;

// by default only current level series bullets are visible, but as we need brand bullets to be visible all the time, we modify it's hidden state
level0SeriesTemplate.bulletsContainer.hiddenState.properties.opacity = 1;
level0SeriesTemplate.bulletsContainer.hiddenState.properties.visible = true;
// create hover state
var hoverState = level0SeriesTemplate.columns.template.states.create("hover");

// darken
hoverState.adapter.add("fill", (fill, target) => {
  return am4core.colors.brighten(fill, -0.2);
});

// add logo
var image = level0SeriesTemplate.columns.template.createChild(am4core.Image);
image.opacity = 0.15;
image.align = "center";
image.valign = "middle";
image.width = am4core.percent(80);
image.height = am4core.percent(80);

// add adapter for href to load correct image
image.adapter.add("href", (href, target) => {
	var dataItem = target.parent.dataItem;
	if (dataItem) {
		return "https://s3-us-west-2.amazonaws.com/s.cdpn.io/t-160/" + dataItem.treeMapDataItem.name.toLowerCase() + ".png";
	}
});  

// level1 series template
var level1SeriesTemplate = chart.seriesTemplates.create("1");
level1SeriesTemplate.columns.template.fillOpacity = 0;
var bullet1 = level1SeriesTemplate.bullets.push(
  new am4charts.LabelBullet()
);
bullet1.locationX = 0.5;
bullet1.locationY = 0.5;
bullet1.label.text = "{name}";
bullet1.label.fill = am4core.color("#ffffff");

// level2 series template
var level2SeriesTemplate = chart.seriesTemplates.create("2");
var bullet2 = level2SeriesTemplate.bullets.push(
  new am4charts.LabelBullet()
);
bullet2.locationX = 0.5;
bullet2.locationY = 0.5;
bullet2.label.text = "{name}";
bullet2.label.fill = am4core.color("#ffffff");
            
          
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