title: Ngx-Charts show all x axis values but alternate x-axis labels
body: <p>I am currently working on ngx charts, for examples i have 12 x-axis every values need to be plotted in graph, but only alternate x-axis label need to be displayed.</p>
  
  <p><strong>html code</strong></p>
  
  <pre><code>&lt;ngx-charts-area-chart  [view]="view" [scheme]="colorScheme" [legend]="legend" [showXAxisLabel]="showXAxisLabel" [showYAxisLabel]="showYAxisLabel" [xAxis]="xAxis" [yAxis]="yAxis"
   [xAxisLabel]="xAxisLabel" [yAxisLabel]="yAxisLabel" [results]="multi" (select)="onSelect($event)"&gt;
  &lt;/ngx-charts-area-chart&gt;
  </code></pre>
  
  <p>data.ts</p>
  
  <pre><code>var multi = [ {
  "name": "Belarus",
  "series": [
    {
      "value": 5776,
      "name": "Jan 19"
    },
    {
      "value": 4299,
      "name": "Feb 19"
    },
    {
      "value": 3995,
      "name": "Mar 19"
    },
    {
      "value": 6597,
      "name": "Apr 19"
    },
    {
      "value": 4954,
      "name": "May 19"
    },
    {
      "name": "June 19",
      "value": 3865
    },
    {
      "name": "July 19",
      "value": 2349
    },
    {
      "name": "Aug 19",
      "value": 6910
    },
    {
      "name": "Sept 19",
      "value": 6224
    },
    {
      "name": "Oct 19",
      "value": 4161
    },
    {
      "name": "Nov 19",
      "value": 4825
    },
    {
      "name": "Dec 19",
      "value": 3835
    }
  ]},{
  "name": "Croatia",
  "series": [
    {
      "value": 2576,
      "name": "Jan 19"
    },
    {
      "value": 5427,
      "name": "Feb 19"
    },
    {
      "value": 3097,
      "name": "Mar 19"
    },
    {
      "value": 4385,
      "name": "Apr 19"
    },
    {
      "value": 4849,
      "name": "May 19"
    },
    {
      "name": "June 19",
      "value": 2867
    },
    {
      "name": "July 19",
      "value": 6241
    },
    {
      "name": "Aug 19",
      "value": 6517
    },
    {
      "name": "Sept 19",
      "value": 3808
    },
    {
      "name": "Oct 19",
      "value": 2068
    },
    {
      "name": "Nov 19",
      "value": 5121
    },
    {
      "name": "Dec 19",
      "value": 3876
    }
  ]}]
  </code></pre>
  
  <p>In the above data set in x-axis I need to plot all values in the graph but only alternate labels need to displayed. This need to be applied for all types of ngx charts.</p>