<template>
<dx-chart
id="chart"
:data-source="dataSource"
title="Noisy and Original Signals"
@legend-click="onLegendClick"
>
<dx-common-series-settings
argument-field="argument"
>
<dx-point :visible="false"/>
</dx-common-series-settings>
<dx-series
value-field="originalValue"
name="Original Signal"
/>
<dx-series
value-field="value"
name="Noisy Signal"
/>
<dx-legend
vertical-alignment="bottom"
horizontal-alignment="center"
marker-template="markerTemplate"
/>
<template #markerTemplate="{ data }">
<marker-template :item="data"/>
</template>
</dx-chart>
</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 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="stylesheet" type="text/css" 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>
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',
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
}
});