Discrete Axis Zooming and Scrolling
Documentation
Discrete data support is one of many strengths of the Chart widget. In this example, you can zoom data in the Chart using another DevExtreme HTML5 widget, the RangeSelector.
Feel free to share demo-related thoughts here.
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If you have technical questions, please create a support ticket in the DevExpress Support Center.
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<template>
<div>
<div id="chart-demo">
<dx-chart
id="zoomedChart"
:data-source="dataSource"
palette="Soft"
title="The Chemical Composition of the Earth Layers"
>
<dx-series
v-for="item in series"
:value-field="item.valueField"
:name="item.name"
:key="item.name"
/>
<dx-common-series-settings
:ignore-empty-points="true"
type="bar"
/>
<dx-value-axis>
<dx-label :customize-text="customizeText"/>
</dx-value-axis>
<dx-argument-axis :visual-range="range"/>
<dx-legend
:visible="true"
vertical-alignment="top"
horizontal-alignment="right"
orientation="horizontal"
>
<dx-border :visible="true"/>
</dx-legend>
</dx-chart>
<dx-range-selector
:data-source="dataSource"
:value.sync="range"
>
<dx-size :height="120"/>
<dx-margin :left="10"/>
<dx-scale :minor-tick-count="1"/>
<dx-rs-chart
palette="Soft"
>
<dx-rs-chart-series
v-for="item in series"
:value-field="item.valueField"
:name="item.name"
:key="item.name"
/>
<dx-common-series-settings-options
:ignore-empty-points="true"
type="bar"
/>
</dx-rs-chart>
<dx-behavior call-value-changed="onMoving"/>
</dx-range-selector>
</div>
</div>
</template>
<script>
import { dataSource } from './data.js';
import {
DxChart,
DxValueAxis,
DxArgumentAxis,
DxLabel,
DxLegend,
DxBorder,
DxCommonSeriesSettings,
DxSeries
} from 'devextreme-vue/chart';
import {
DxRangeSelector,
DxSize,
DxMargin,
DxScale,
DxChart as DxRsChart,
DxBehavior,
DxCommonSeriesSettings as DxCommonSeriesSettingsOptions,
DxSeries as DxRsChartSeries
} from 'devextreme-vue/range-selector';
export default {
components: {
DxChart,
DxValueAxis,
DxArgumentAxis,
DxLabel,
DxLegend,
DxBorder,
DxRangeSelector,
DxSize,
DxMargin,
DxScale,
DxRsChart,
DxBehavior,
DxCommonSeriesSettings,
DxCommonSeriesSettingsOptions,
DxSeries,
DxRsChartSeries
},
data() {
return {
dataSource,
range: [],
series: [{
name: 'Si',
valueField: 'Si'
}, {
name: 'Fe',
valueField: 'Fe'
}, {
name: 'Ni',
valueField: 'Ni'
}, {
name: 'S',
valueField: 'S'
}, {
name: 'O',
valueField: 'O'
}, {
name: 'Mg',
valueField: 'Mg'
}, {
name: 'Al',
valueField: 'Al'
}, {
name: 'K',
valueField: 'K'
}, {
name: 'Na',
valueField: 'Na'
}]
};
},
methods: {
customizeText({ valueText }) {
return `${valueText}%`;
}
}
};
</script>
<style scoped>
#zoomedChart {
margin-bottom: 20px;
}
</style>
import Vue from 'vue';
import App from './App.vue';
new Vue({
el: '#app',
components: { App },
template: '<App/>'
});
<!DOCTYPE html>
<html>
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.common.css" />
<link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/19.2.4/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script type="text/javascript" src="config.js"></script>
<script type="text/javascript">
System.import('./index.js');
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app">
</div>
</div>
</body>
</html>
export const dataSource = [{
arg: 'Inner Core',
Si: 7.35,
Fe: 79.39,
Ni: 5.2,
S: 2.3,
O: 4.1
}, {
arg: 'Outer Core',
Si: 7.33,
Fe: 78.56,
Ni: 5.2,
S: 2.7,
O: 4.2
}, {
arg: 'Lower Mantle',
Si: 21.5,
Fe: 5.8,
O: 44.8,
Mg: 22.8,
Al: 2.2,
Ca: 2.3,
Na: 0.3,
K: 0.03
}, {
arg: 'Upper Mantle',
Si: 28.1,
Mg: 23.2,
Fe: 4.3,
Al: 1.2,
Ca: 2.2,
O: 40.3,
Na: 0.2
}, {
arg: 'Lower Crust',
O: 46.6,
Si: 27.7,
Al: 8.1,
Fe: 5,
Ca: 3.6,
Na: 2.8,
K: 2.6,
Mg: 1.5
}, {
arg: 'Upper Crust',
O: 47,
Si: 29.5,
Al: 8.05,
Fe: 4.66,
Ca: 2.96,
Na: 2.5,
K: 2.5,
Mg: 1.87
}];
System.config({
transpiler: 'plugin-babel',
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
vue: 'npm:vue@2.6.3/dist/vue.esm.browser.js',
'vue-loader': 'npm:dx-systemjs-vue-browser@latest/index.js',
'devextreme': 'npm:devextreme@19.2',
'devextreme-vue': 'npm:devextreme-vue@19.2',
jszip: 'npm:jszip@3.1.3/dist/jszip.min.js',
'quill': 'npm:quill@1.3.7/dist/quill.js',
'devexpress-diagram': 'npm:devexpress-diagram',
'devexpress-gantt': 'npm:devexpress-gantt',
'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js'
},
meta: {
'*.vue': {
loader: 'vue-loader'
}
},
packages: {
'devextreme-vue': {
main: 'index.js'
},
'devextreme': {
defaultExtension: 'js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true
}
});