Multiple Axes
Documentation
With the Chart widget, you can display charts with multiple axes and combine charts together to help better visualize the similarities or differences in data under investigation.
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<template>
<DxChart
id="chart"
:data-source="populationData"
palette="Vintage"
>
<DxCommonSeriesSettings
argument-field="year"
type="fullstackedbar"
/>
<DxSeries
v-for="continent in continentSources"
:key="continent.value"
:value-field="continent.value"
:name="continent.name"
/>
<DxSeries
axis="total"
type="spline"
value-field="total"
name="Total"
color="#008fd8"
/>
<DxValueAxis>
<DxGrid :visible="true"/>
</DxValueAxis>
<DxValueAxis
name="total"
position="right"
title="Total Population, billions"
>
<DxGrid :visible="true"/>
</DxValueAxis>
<DxLegend
vertical-alignment="bottom"
horizontal-alignment="center"
/>
<DxExport :enabled="true"/>
<DxTooltip
:enabled="true"
:shared="true"
:customize-tooltip="customizeTooltip"
>
<DxFormat
:precision="1"
type="largeNumber"
/>
</DxTooltip>
<DxTitle text="Evolution of Population by Continent"/>
</DxChart>
</template>
<script>
import DxChart, {
DxCommonSeriesSettings,
DxSeries,
DxValueAxis,
DxExport,
DxLegend,
DxTooltip,
DxTitle,
DxGrid,
DxFormat
} from 'devextreme-vue/chart';
import { continentSources, populationData } from './data.js';
export default {
components: {
DxChart,
DxCommonSeriesSettings,
DxSeries,
DxValueAxis,
DxExport,
DxLegend,
DxTooltip,
DxTitle,
DxGrid,
DxFormat
},
data() {
return {
continentSources,
populationData
};
},
methods: {
customizeTooltip(pointInfo) {
const items = pointInfo.valueText.split('\n');
const color = pointInfo.point.getColor();
items.forEach((item, index) => {
if(item.indexOf(pointInfo.seriesName) === 0) {
const element = document.createElement('span');
element.textContent = item;
element.style.color = color;
element.className = 'active';
items[index] = element.outerHTML;
}
});
return { text: items.join('\n') };
}
}
};
</script>
<style>
#chart {
height: 440px;
}
.active {
font-weight: 500;
}
</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/20.1.6/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.6/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 continentSources = [
{ value: 'africa', name: 'Africa' },
{ value: 'asia', name: 'Asia' },
{ value: 'europe', name: 'Europe' },
{ value: 'latinamerica', name: 'Latin America & Caribbean' },
{ value: 'northamerica', name: 'Northern America' },
{ value: 'oceania', name: 'Oceania' }
];
export const populationData = [{
year: '1750',
africa: 106000000,
asia: 502000000,
europe: 163000000,
latinamerica: 16000000,
northamerica: 2000000,
oceania: 2000000,
total: 791000000
}, {
year: '1800',
africa: 107000000,
asia: 635000000,
europe: 203000000,
latinamerica: 24000000,
northamerica: 7000000,
oceania: 2000000,
total: 978000000
}, {
year: '1850',
africa: 111000000,
asia: 809000000,
europe: 276000000,
latinamerica: 38000000,
northamerica: 26000000,
oceania: 2000000,
total: 1262000000
}, {
year: '1900',
africa: 133000000,
asia: 947000000,
europe: 408000000,
latinamerica: 74000000,
northamerica: 82000000,
oceania: 6000000,
total: 1650000000
}, {
year: '1950',
africa: 229895000,
asia: 1403388000,
europe: 547287000,
latinamerica: 167368000,
northamerica: 171614000,
oceania: 12675000,
total: 2532227000
}, {
year: '2000',
africa: 811101000,
asia: 3719044000,
europe: 726777000,
latinamerica: 521419000,
northamerica: 313289000,
oceania: 31130000,
total: 6122770000
}, {
year: '2050',
africa: 2191599000,
asia: 5142220000,
europe: 719257000,
latinamerica: 750956000,
northamerica: 446862000,
oceania: 55223000,
total: 9306128000
}];
System.config({
transpiler: 'plugin-babel',
meta: {
'*.vue': {
loader: 'vue-loader'
},
},
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@20.1',
'devextreme-vue': 'npm:devextreme-vue@20.1',
'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js',
'quill': 'npm:quill@1.3.7/dist/quill.js',
'devexpress-diagram': 'npm:devexpress-diagram@1.0.9',
'devexpress-gantt': 'npm:devexpress-gantt@1.0.7',
'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js'
},
packages: {
'devextreme-vue': {
main: 'index.js'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
},
babelOptions: {
sourceMaps: false,
stage0: true
}
});