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clustering_animation.html
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clustering_animation.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta name="viewport" content="width=device-width, initial-scale=1" />
<script src="../lib/esl.js"></script>
<script src="../lib/config.js"></script>
<script src="../lib/jquery.min.js"></script>
</head>
<body>
<style>
html, body, #main {
width: 100%;
height: 100%;
margin: 0;
padding: 0;
}
</style>
<div id="main"></div>
<script>
require([
'echarts',
'ecStat'
], function (echarts, ecStat) {
var chart = echarts.init(document.getElementById('main'));
$.getJSON('../data/clustering_dataset2.json')
.done(function (data) {
var clusterNumber = 6;
var step = ecStat.clustering.hierarchicalKMeans(data, clusterNumber, true);
var result;
var option = {
timeline: {
top: 'center',
right: 50,
height: 300,
width: 10,
inverse: true,
playInterval: 2500,
symbol: 'none',
orient: 'vertical',
axisType: 'category',
autoPlay: true,
label: {normal: {show: false}},
data: []
},
baseOption: {
xAxis: {
type: 'value'
},
yAxis: {
type: 'value'
},
series: [{
type: 'scatter'
}]
},
options: []
};
for (var i = 0; !(result = step.next()).isEnd; i++) {
option.options.push(getOption(result, clusterNumber));
option.timeline.data.push(i + '');
}
chart.setOption(option);
function getOption(result, k) {
var clusterAssment = result.clusterAssment;
var centroids = result.centroids;
var ptsInCluster = result.pointsInCluster;
var color = ['#c23531','#2f4554', '#61a0a8', '#d48265', '#91c7ae','#749f83', '#ca8622', '#bda29a','#6e7074', '#546570', '#c4ccd3'];
var series = [];
for (i = 0; i < k; i++) {
series.push({
name: 'scatter' + i,
type: 'scatter',
label: {
emphasis: {
show: true
}
},
animation: false,
data: ptsInCluster[i],
markPoint: {
symbolSize: 29,
label: {
normal: {
show: false
},
emphasis: {
show: true,
position: 'top',
formatter: function (params) {
return Math.round(params.data.coord[0] * 100) / 100 + ' '
+ Math.round(params.data.coord[1] * 100) / 100 + ' ';
},
textStyle: {
color: '#000'
}
}
},
itemStyle: {
normal: {
opacity: 0.7
}
},
data: [{
coord: centroids[i]
}]
}
});
}
return {
tooltip: {
trigger: 'axis',
axisPointer: {
type: 'cross'
}
},
series: series,
color: color
};
}
});
});
</script>
</body>
</html>