tick period test

HTML

<script src="https://cdn.jsdelivr.net/npm/d3@4.13.0/build/d3.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/taucharts@2.5.1/dist/taucharts.min.js"></script>
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/taucharts@2.5.1/dist/taucharts.min.css">
<div>
  <div id="target" class="c"></div>
</div>

CSS

.c {
  border: solid 1px gray;
  width: 635px;
  height: 400px;
  margin: 0;
  padding: 0;
  float: left;
}

JavaScript

new Taucharts.Chart({
    data: data(),
    type: 'line',
    x: 'longitude',
    y: 'latitude',
    text: 'place',
    size: 'survivors',
    split: 'group',
    color: 'direction',
    guide: {
        showGridLines: 'x',
        x: { nice: false },
        y: { nice: false },
        size: {
            func: 'linear',
            minSize: 1,
            maxSize: 12
        },
        color: {
            brewer: {
                'Place': 'rgba(0,0,0,0)', // use transparent color for workaround
                'Advance': '#FF0000',
                'Retreat': '#000000'
            }
        }
    },
    plugins: [
        // tauCharts.api.plugins.get('legend')(),
        Taucharts.api.plugins.get('tooltip')()
    ]
}).renderTo('#target');


function data() {
	return [
        [24.0, 55.0,   4000, 'P', '0', 'Kowno'],
        [25.3, 54.7,   4000, 'P', '0', 'Wilna'],
        [26.4, 54.4,   4000, 'P', '0', 'Smorgon'],
        [26.8, 54.3,   4000, 'P', '0', 'Molodechno'],
        [27.7, 55.2,   4000, 'P', '0', 'Gloubokoe'],
        [27.6, 53.9,   4000, 'P', '0', 'Minsk'],
        [28.5, 54.3,   4000, 'P', '0', 'Studienska'],
        [28.7, 55.5,   4000, 'P', '0', 'Polotzk'],
        [29.2, 54.4,   4000, 'P', '0', 'Bobr'],
        [30.2, 55.3,   4000, 'P', '0', 'Vitebsk'],
        [30.4, 54.4,   4000, 'P', '0', 'Orscha'],
        [30.4, 53.9,   4000, 'P', '0', 'Mohilow'],
        [32.0, 54.8,   4000, 'P', '0', 'Smolensk'],
        [34.3, 55.2,   4000, 'P', '0', 'Wixma'],
        [34.4, 55.5,   4000, 'P', '0', 'Chjat'],
        [36.0, 55.5,   4000, 'P', '0', 'Mojaisk'],
        [37.6, 55.8,   4000, 'P', '0', 'Moscow'],
        [36.6, 55.3,   4000, 'P', '0', 'Tarantino'],
        [36.5, 55.0,   4000, 'P', '0', 'Malo-jarosewli'],

        [24.0, 54.9, 340000, 'A', '1'],
        [24.5, 55.0, 340000, 'A', '1'],
        [25.5, 54.5, 340000, 'A', '1'],
        [26.0, 54.7, 320000, 'A', '1'],
        [27.0, 54.8, 300000, 'A', '1'],
        [28.0, 54.9, 280000, 'A', '1'],
  ...