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Data Labels in Vue Bullet Chart component

01 Dec 2021 / 2 minutes to read

Data Labels are used to identify the value of actual bar in the Bullet Chart component. The Data Labels will be shown by specifying the dataLabel setting’s enable property to true.

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app.vue
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<template>
  <div>
      <ejs-bulletchart id="bulletChart"
        :dataSource="localData"
        valueField="value"
        targetField="comparativeMeasureValue"
        :minimum="minimum"
        :maximum="maximum"
        :interval="interval"
        title="Profit in %"
        labelFormat="{value}%"
        :dataLabel="dataLabel"
        height="400px"
      >
      <e-bullet-range-collection>
          <e-bullet-range end="5" color="red"></e-bullet-range>
          <e-bullet-range end="15" color="blue"></e-bullet-range>
          <e-bullet-range end="20" color="green"></e-bullet-range>
        </e-bullet-range-collection>
      </ejs-bulletchart>
  </div>
</template>
<script>
import Vue from 'vue';
import { BulletChartPlugin } from '@syncfusion/ej2-vue-charts';
Vue.use(BulletChartPlugin);

export default {
  data () {
    return {
        data: [{ value: 5, comparativeMeasureValue: 7.5, category: '2001' },
               { value: 7, comparativeMeasureValue: 5, category: '2002' },
               { value: 10, comparativeMeasureValue: 6, category: '2003' },
               { value: 5, comparativeMeasureValue: 8, category: '2004' },
               { value: 12, comparativeMeasureValue: 5, category: '2005' },
               { value: 8, comparativeMeasureValue: 6, category: '2006' }
            ],
        minimum: 0, maximum: 20, interval: 5, dataLabel: { enable: true}
    }
  }
}
</script>

Data Label Customization

Data Labels color, opacity, font size, font family, font weight, and font style can be customized using the labelStyle.

Source
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app.vue
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<template>
  <div>
      <ejs-bulletchart id="bulletChart"
        :dataSource="localData"
        valueField="value"
        targetField="comparativeMeasureValue"
        :minimum="minimum"
        :maximum="maximum"
        :interval="interval"
        title="Profit in %"
        labelFormat="{value}%"
        :dataLabel="dataLabel"
        height="400px"
      >
      <e-bullet-range-collection>
          <e-bullet-range end="5" color="red"></e-bullet-range>
          <e-bullet-range end="15" color="blue"></e-bullet-range>
          <e-bullet-range end="20" color="green"></e-bullet-range>
        </e-bullet-range-collection>
      </ejs-bulletchart>
  </div>
</template>
<script>
import Vue from 'vue';
import { BulletChartPlugin } from '@syncfusion/ej2-vue-charts';
Vue.use(BulletChartPlugin);

export default {
  data () {
    return {
        data: [{ value: 5, comparativeMeasureValue: 7.5, category: '2001' },
               { value: 7, comparativeMeasureValue: 5, category: '2002' },
               { value: 10, comparativeMeasureValue: 6, category: '2003' },
               { value: 5, comparativeMeasureValue: 8, category: '2004' },
               { value: 12, comparativeMeasureValue: 5, category: '2005' },
               { value: 8, comparativeMeasureValue: 6, category: '2006' }
            ],
        minimum: 0, maximum: 20, interval: 5,
        dataLabel: { enable: true, labelStyle: { color: "yellow", size: "20" }}
    }
  }
}
</script>