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Axis Customization in Vue Sparkline component

20 Apr 2021 / 7 minutes to read

You can customize axis value types and min and max values of the sparkline.

Change value type of the sparkline

You can change the sparkline value type by setting the [valueType] property to [Numeric], [Category], or [DateTime].

DateTime

You can assign date-time values to the sparkline by setting the [valueType] property to [DateTime].

Source
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app.vue
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<template>
    <div class="control_wrapper">
    <div class="spark">
        <ejs-sparkline id="sparkline" align="center" :dataSource='dataSource' xName='xDate' yName='yval' :type='type' :valueType='valueType' :height='height' :width='width'></ejs-sparkline>
    </div>
    </div>
</template>
<script>
import Vue from 'vue';
import { SparklinePlugin } from "@syncfusion/ej2-vue-charts";
Vue.use(SparklinePlugin);

export default {
  data: function() {
    return {
    height: '150px',
    width: '130px',
    // Assign the "Column" as type of the sparkline
    type:'Column',
    // Assign the "DateTime" as value type to the sparkline
    valueType: 'DateTime',
    dataSource: [
            { xDate: new Date(2018, 0, 1), x: 0, yval: 4 },
            { xDate: new Date(2018, 0, 2), x: 1, yval: 4.5 },
            { xDate: new Date(2018, 0, 3), x: 2, yval: 8 },
            { xDate: new Date(2018, 0, 4), x: 3, yval: 7 },
            { xDate: new Date(2018, 0, 5), x: 4, yval: 6 },
            { xDate: new Date(2018, 0, 8), x: 5, yval: 8 },
            { xDate: new Date(2018, 0, 9), x: 6, yval: 8 },
            { xDate: new Date(2018, 0, 10), x: 7, yval: 6.5 },
            { xDate: new Date(2018, 0, 11), x: 8, yval: 4 },
            { xDate: new Date(2018, 0, 12), x: 9, yval: 5.5 }
        ]
    }
  }
}
</script>
<style>
.spark {
    width: 100%;
    height: 100%;
}
</style>

Category

You can assign category values to the sparkline by setting [valueType] to [Category].

Source
Preview
app.vue
Copied to clipboard
<template>
    <div class="control_wrapper">
    <div class="spark">
        <ejs-sparkline id="sparkline" align="center" :dataSource='dataSource' xName='xval' yName='yval' :height='height' :type='type' :valueType='valueType' :width='width'></ejs-sparkline>
    </div>
    </div>
</template>
<script>
import Vue from 'vue';
import { SparklinePlugin } from "@syncfusion/ej2-vue-charts";
Vue.use(SparklinePlugin);

export default {
  data: function() {
    return {
    height: '150px',
    width: '130px',
    // Assign the 'Column' as type of the sparkline
    type:'Column',
    // Assign the  "Category" as value type of the sparkline
    valueType: 'Category',
    dataSource: [
            { x: 0, xval: 'Robert', yval: 60 },
            { x: 1, xval: 'Andrew', yval: 65 },
            { x: 2, xval: 'Suyama', yval: 70 },
            { x: 3, xval: 'Michael', yval: 80 },
            { x: 4, xval: 'Janet', yval: 55 },
            { x: 5, xval: 'Davolio', yval: 90 },
            { x: 6, xval: 'Fuller', yval: 75 },
            { x: 7, xval: 'Nancy', yval: 85 }
        ]
    }
  }
}
</script>
<style>
.spark {
    width: 100%;
    height: 100%;
}
</style>

Numeric

You can assign numeric values to the sparkline by setting the [valueType] to [Numeric].

Source
Preview
app.vue
Copied to clipboard
<template>
    <div class="control_wrapper">
    <div class="spark">
        <ejs-sparkline id="sparkline" align="center" :dataSource='dataSource'  :type='type' :valueType='valueType' xName='x' yName='yval' :height='height' :width='width'></ejs-sparkline>
    </div>
    </div>
</template>
<script>
import Vue from 'vue';
import { SparklinePlugin } from "@syncfusion/ej2-vue-charts";
Vue.use(SparklinePlugin);

export default {
  data: function() {
    return {
    height: '150px',
    width: '130px',
    // Assign the 'Column' as type of the sparkline
    type:'Column',
    // Assign the 'Numeric' as value type of the sparkline
    valueType: 'Numeric',
    dataSource: [
            { x: 1, xval: 2010, yval: 190 },
            { x: 2, xval: 2011, yval: 165 },
            { x: 3, xval: 2012, yval: 158 },
            { x: 4, xval: 2013, yval: 175 },
            { x: 5, xval: 2014, yval: 200 },
            { x: 6, xval: 2015, yval: 180 },
            { x: 7, xval: 2016, yval: 210 }
        ]
    }
  }
}
</script>
<style>
.spark {
    width: 100%;
    height: 100%;
}
</style>

Change min and max values of axis

You can change the min and max values of x-axis by setting the [minX] and [maxX] values to the [axisSettings] property. You can also change the min and max values of y-axis by setting the [minY] and [maxY] values to the [axisSettings] property.

Source
Preview
app.vue
Copied to clipboard
<template>
    <div class="control_wrapper">
    <div class="spark">
        <ejs-sparkline id="sparkline" align="center" :dataSource='dataSource' :type= 'type' :axisSettings='axisSettings' :valueType='valueType' xName='x' yName='yval' :height='height' :width='width'></ejs-sparkline>
    </div>
    </div>
</template>
<script>
import Vue from 'vue';
import { SparklinePlugin } from "@syncfusion/ej2-vue-charts";
Vue.use(SparklinePlugin);

export default {
  data: function() {
    return {
    height: '150px',
    width: '130px',
    axisSettings: {
        minY: 0, maxY: 150
    },
    // Assign the 'Column' as type of the sparkline
    type:'Column',
    // Assign the 'Numeric' as value type of the sparkline
    valueType: 'Numeric',
    dataSource: [
            { x: 0, yval: 50 },
            { x: 1, yval: 30 },
            { x: 2, yval: 20 },
            { x: 3, yval: 30 },
            { x: 4, yval: 50 },
            { x: 5, yval: 40 },
            { x: 6, yval: 20 },
            { x: 7, yval: 10 },
            { x: 8, yval: 30 },
            { x: 9, yval: 10 },
            { x: 10, yval: 40 }
        ]
    }
  }
}
</script>
<style>
.spark {
    width: 100%;
    height: 100%;
}
</style>

Change value of axis

You can set horizontal axis line value of the sparkline by setting [value] to the [axisSettings] property. The following code example shows this.

Source
Preview
app.vue
Copied to clipboard
<template>
    <div class="control_wrapper">
    <div class="spark">
        <ejs-sparkline id="sparkline" align="center" :dataSource='dataSource' :type='type' :valueType= 'valueType' :axisSettings='axisSettings' xName='x' yName='yval' :height='height' :width='width'></ejs-sparkline>
    </div>
    </div>
</template>
<script>
import Vue from 'vue';
import { SparklinePlugin } from "@syncfusion/ej2-vue-charts";
Vue.use(SparklinePlugin);

export default {
  data: function() {
    return {
    height: '150px',
    width: '130px',
   dataSource: [
            { x: 0, yval: 50 },
            { x: 1, yval: 30 },
            { x: 2, yval: 20 },
            { x: 3, yval: 30 },
            { x: 4, yval: 50 },
            { x: 5, yval: 40 },
            { x: 6, yval: 20 },
            { x: 7, yval: 10 },
            { x: 8, yval: 30 },
            { x: 9, yval: 10 },
            { x: 10, yval: 40 }
        ],
    // Set the value to horizontal axis of sparkline
    axisSettings: {
          value: 25
    },
    // Assign the 'Column' as type of the sparkline
    type:'Column',
    // Assign the 'Numeric' as value type of the sparkline
    valueType: 'Numeric'
    }
  }
}
</script>
<style>
.spark {
    width: 100%;
    height: 100%;
}
</style>

Axis line customization

Axis of the sparkline can be collapsed using the [visible] property in [lineSettings]; this is not applicable for win-loss. You can customize the [color], [width], [opacity], and [dashArray] of axis line.

Source
Preview
app.vue
Copied to clipboard
<template>
    <div class="control_wrapper">
    <div class="spark">
        <ejs-sparkline id="sparkline" align="center" :dataSource='dataSource' :axisSettings='axisSettings' :valueType='valueType'  xName='x' yName='yval' :height='height' :width='width'></ejs-sparkline>
    </div>
    </div>
</template>
<script>
import Vue from 'vue';
import { SparklinePlugin } from "@syncfusion/ej2-vue-charts";
Vue.use(SparklinePlugin);

export default {
  data: function() {
    return {
    height: '150px',
    width: '130px',
    dataSource: [
            { x: 0, yval: 50 },
            { x: 1, yval: 30 },
            { x: 2, yval: 20 },
            { x: 3, yval: 30 },
            { x: 4, yval: 50 },
            { x: 5, yval: 40 },
            { x: 6, yval: 20 },
            { x: 7, yval: 10 },
            { x: 8, yval: 30 },
            { x: 9, yval: 10 },
            { x: 10, yval: 40 }
        ],
    // Set the value to horizontal axis
    axisSettings: {
    // To configure axis line settings
         lineSettings: {
            visible: true,
            color: "#ff14ae",
            dashArray:5
            }
    },
    // Assign the value type as 'Numeric' to the sparkline
    valueType: 'Numeric'
    }
  }
}
</script>
<style>
.spark {
    width: 100%;
    height: 100%;
}
</style>
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