Crosshair
Documentation
In this example, the crosshair pointer is enabled and a custom style is applied to it. The crosshair pointer allows a user to determine the argument and the value of a specific point more precisely.
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<template>
<DxChart
id="chart"
:data-source="countriesInfo"
>
<DxCommonSeriesSettings
type="spline"
argument-field="country"
>
<DxPoint hover-mode="allArgumentPoints"/>
</DxCommonSeriesSettings>
<DxSeries
v-for="source in energySources"
:key="source.value"
:value-field="source.value"
:name="source.name"
/>
<DxArgumentAxis
:value-margins-enabled="false"
discrete-axis-division-mode="crossLabels"
>
<DxGrid :visible="true"/>
</DxArgumentAxis>
<DxCrosshair
:enabled="true"
:width="3"
color="#949494"
dash-style="dot"
>
<DxLabel
:visible="true"
background-color="#949494"
>
<DxFont
:size="12"
color="#fff"
/>
</DxLabel>
</DxCrosshair>
<DxLegend
:equal-column-width="true"
vertical-alignment="bottom"
horizontal-alignment="center"
item-text-position="bottom"
/>
<DxTitle text="Energy Consumption in 2004">
<DxSubtitle text="(Millions of Tons, Oil Equivalent)"/>
</DxTitle>
<DxExport :enabled="true"/>
<DxTooltip :enabled="true"/>
</DxChart>
</template>
<script>
import {
DxChart,
DxCommonSeriesSettings,
DxSeries,
DxArgumentAxis,
DxGrid,
DxCrosshair,
DxExport,
DxLegend,
DxPoint,
DxLabel,
DxFont,
DxTitle,
DxSubtitle,
DxTooltip
} from 'devextreme-vue/chart';
import { energySources, countriesInfo } from './data.js';
export default {
components: {
DxChart,
DxCommonSeriesSettings,
DxSeries,
DxArgumentAxis,
DxGrid,
DxCrosshair,
DxExport,
DxLegend,
DxPoint,
DxLabel,
DxFont,
DxTitle,
DxSubtitle,
DxTooltip
},
data() {
return {
countriesInfo,
energySources
};
}
};
</script>
<style>
#chart {
height: 440px;
}
</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/20.1.4/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.4/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 energySources = [
{ value: 'hydro', name: 'Hydro-electric' },
{ value: 'oil', name: 'Oil' },
{ value: 'gas', name: 'Natural gas' },
{ value: 'coal', name: 'Coal' },
{ value: 'nuclear', name: 'Nuclear' }
];
export const countriesInfo = [{
country: 'USA',
hydro: 59.8,
oil: 937.6,
gas: 582,
coal: 564.3,
nuclear: 187.9
}, {
country: 'China',
hydro: 74.2,
oil: 308.6,
gas: 35.1,
coal: 956.9,
nuclear: 11.3
}, {
country: 'Russia',
hydro: 40,
oil: 128.5,
gas: 361.8,
coal: 105,
nuclear: 32.4
}, {
country: 'Japan',
hydro: 22.6,
oil: 241.5,
gas: 64.9,
coal: 120.8,
nuclear: 64.8
}, {
country: 'India',
hydro: 19,
oil: 119.3,
gas: 28.9,
coal: 204.8,
nuclear: 3.8
}, {
country: 'Germany',
hydro: 6.1,
oil: 123.6,
gas: 77.3,
coal: 85.7,
nuclear: 37.8
}];
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@1.0.5',
'devexpress-gantt': 'npm:devexpress-gantt@1.0.3',
'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
}
});