<template>
<DxChart
id="chart"
:data-source="dataSource"
title="Noisy and Original Signals"
@legend-click="onLegendClick"
>
<DxCommonSeriesSettings
argument-field="argument"
>
<DxPoint :visible="false"/>
</DxCommonSeriesSettings>
<DxSeries
value-field="originalValue"
name="Original Signal"
/>
<DxSeries
value-field="value"
name="Noisy Signal"
/>
<DxLegend
vertical-alignment="bottom"
horizontal-alignment="center"
marker-template="markerTemplate"
/>
<template #markerTemplate="{ data }">
<MarkerTemplate :item="data"/>
</template>
</DxChart>
</template>
<script>
import { DxChart, DxSeries, DxCommonSeriesSettings, DxPoint, DxLegend } from 'devextreme-vue/chart';
import { dataSource } from './data.js';
import MarkerTemplate from './MarkerTemplate.vue';
export default {
components: {
DxChart,
DxSeries,
DxCommonSeriesSettings,
DxPoint,
DxLegend,
MarkerTemplate
},
data() {
return {
dataSource
};
},
methods: {
onLegendClick(e) {
e.target.isVisible() ? e.target.hide() : e.target.show();
}
}
};
</script>
<style>
#chart {
height: 440px;
}
</style>
<template>
<svg>
<rect
:x="0"
:y="0"
:width="18"
:height="18"
:fill="color"
:opacity="0.3"
/>
<path
:d="d"
:fill="color"
/>
</svg>
</template>
<script>
const markerPath = {
'Original Signal': 'M 0 8 C 2 4 7 4 9.5 8 C 11 12 16 12 18 8 L 18 10 C 16 14 11 14 8.5 10 C 7 6 2 6 0 10 Z',
'Noisy Signal': 'M 18 8 L 12 12 L 7 3 L 0 7.4 L 0 10 L 6 6 L 11 15 L 18 10.6 Z'
};
export default {
props: {
item: {
type: Object,
default: () => {}
}
},
data() {
return {
color: this.item.series.isVisible() ? this.item.marker.fill : '#888',
d: markerPath[this.item.series.name]
};
}
};
</script>
import { createApp } from 'vue';
import App from './App.vue';
createApp(App).mount('#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/20.2.5/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.2.5/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>
function generateData(start, end, step) {
const data = [];
for (let i = start; i < end; i += step) {
const originalValue = Math.sin(i) / i;
data.push({ value: originalValue + ((0.5 - Math.random()) / 10), originalValue: originalValue, argument: i });
}
return data;
}
export const dataSource = generateData(2.5, 12, 0.1);
System.config({
transpiler: 'plugin-babel',
meta: {
'*.vue': {
loader: 'vue-loader'
},
'devextreme/localization.js': {
"esModule": true
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'vue': 'npm:vue@3.0.0/dist/vue.esm-browser.js',
'vue-loader': 'npm:dx-systemjs-vue-browser@1.0.15/index.js',
'mitt': 'npm:mitt/dist/mitt.umd.js',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.25.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@20.2.5',
'devextreme-vue': 'npm:devextreme-vue@20.2.5',
'jszip': 'npm:jszip@3.5.0/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@0.9.8/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.0.11/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@2.0.18/dist/dx-gantt.js',
'preact': 'npm:preact@10.5.11/dist/preact.js',
'preact/hooks': 'npm:preact@10.5.11/hooks/dist/hooks.js',
'plugin-babel': 'npm:systemjs-plugin-babel@0.0.25/plugin-babel.js',
'systemjs-babel-build': 'npm:systemjs-plugin-babel@0.0.25/systemjs-babel-browser.js'
},
packages: {
'devextreme-vue': {
main: 'index.js'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js'
}
},
babelOptions: {
sourceMaps: false,
stage0: true
}
});