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Backend API
import React from 'react';
import {
Chart, ChartTypes, Series, CommonSeriesSettings, Point, Legend,
} from 'devextreme-react/chart';
import { dataSource } from './data.ts';
import markerTemplate from './MarkerTemplate.tsx';
function onLegendClick(e: ChartTypes.LegendClickEvent) {
e.target.isVisible() ? e.target.hide() : e.target.show();
}
function App() {
return (
<Chart id="chart"
title="Noisy and Original Signals"
dataSource={dataSource}
onLegendClick={onLegendClick}>
<CommonSeriesSettings
argumentField="argument">
<Point visible={false}></Point>
</CommonSeriesSettings>
<Series
valueField="originalValue"
name="Original Signal"
/>
<Series
valueField="value"
name="Noisy Signal"
/>
<Legend
verticalAlignment="bottom"
horizontalAlignment="center"
markerRender={markerTemplate}
>
</Legend>
</Chart>
);
}
export default App;
import React from 'react';
import {
Chart, Series, CommonSeriesSettings, Point, Legend,
} from 'devextreme-react/chart';
import { dataSource } from './data.js';
import markerTemplate from './MarkerTemplate.js';
function onLegendClick(e) {
e.target.isVisible() ? e.target.hide() : e.target.show();
}
function App() {
return (
<Chart
id="chart"
title="Noisy and Original Signals"
dataSource={dataSource}
onLegendClick={onLegendClick}
>
<CommonSeriesSettings argumentField="argument">
<Point visible={false}></Point>
</CommonSeriesSettings>
<Series
valueField="originalValue"
name="Original Signal"
/>
<Series
valueField="value"
name="Noisy Signal"
/>
<Legend
verticalAlignment="bottom"
horizontalAlignment="center"
markerRender={markerTemplate}
></Legend>
</Chart>
);
}
export default App;
import React from 'react';
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 function MarkerTemplate(item) {
const color = item.series.isVisible() ? item.marker.fill : '#888';
return (
<svg>
<rect x={0} y={0} width={18} height={18} fill={color} opacity={0.3}></rect>
<path d={markerPath[item.series.name]} fill={color}></path>
</svg>
);
}
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
<App />,
document.getElementById('app'),
);
function generateData(start: number, end: number, step: number) {
const data: ({ value: number; originalValue: number; argument: number; })[] = [];
for (let i = start; i < end; i += step) {
const originalValue = Math.sin(i) / i;
data.push({ value: originalValue + ((0.5 - Math.random()) / 10), originalValue, argument: i });
}
return data;
}
export const dataSource = generateData(2.5, 12, 0.1);
window.exports = window.exports || {};
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: 'system',
emitDecoratorMetadata: true,
experimentalDecorators: true,
jsx: 'react',
},
meta: {
'react': {
'esModule': true,
},
'typescript': {
'exports': 'ts',
},
'devextreme/time_zone_utils.js': {
'esModule': true,
},
'devextreme/localization.js': {
'esModule': true,
},
'devextreme/viz/palette.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
defaultExtension: 'js',
map: {
'ts': 'npm:plugin-typescript@4.2.4/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
'react': 'npm:react@17.0.2/umd/react.development.js',
'react-dom': 'npm:react-dom@17.0.2/umd/react-dom.development.js',
'prop-types': 'npm:prop-types@15.8.1/prop-types.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.1/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@24.1.7/cjs',
'devextreme-react': 'npm:devextreme-react@24.1.7/cjs',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.js',
'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.12/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.56/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.13',
'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js',
'inferno-compat': 'npm:inferno-compat/dist/inferno-compat.min.js',
'inferno-create-element': 'npm:inferno-create-element@7.4.11/dist/inferno-create-element.min.js',
'inferno-dom': 'npm:inferno-dom/dist/inferno-dom.min.js',
'inferno-hydrate': 'npm:inferno-hydrate@7.4.11/dist/inferno-hydrate.min.js',
'inferno-clone-vnode': 'npm:inferno-clone-vnode/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras/dist/inferno-extras.min.js',
'devextreme-cldr-data': 'npm:devextreme-cldr-data@1.0.3',
// SystemJS plugins
'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',
// Prettier
'prettier/standalone': 'npm:prettier@2.8.8/standalone.js',
'prettier/parser-html': 'npm:prettier@2.8.8/parser-html.js',
},
packages: {
'devextreme': {
defaultExtension: 'js',
},
'devextreme-react': {
main: 'index.js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/localization/messages': {
format: 'json',
defaultExtension: 'json',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@3.0.13/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);
import React from 'react';
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 function MarkerTemplate(item) {
const color = item.series.isVisible() ? item.marker.fill : '#888';
return (
<svg>
<rect
x={0}
y={0}
width={18}
height={18}
fill={color}
opacity={0.3}
></rect>
<path
d={markerPath[item.series.name]}
fill={color}
></path>
</svg>
);
}
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
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, argument: i });
}
return data;
}
export const dataSource = generateData(2.5, 12, 0.1);
<!DOCTYPE html>
<html lang="en">
<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=5.0" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/24.1.7/css/dx.light.css" />
<link rel="stylesheet" type="text/css" href="styles.css" />
<script src="https://unpkg.com/core-js@2.6.12/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.tsx");
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<div id="app"></div>
</div>
</body>
</html>
#chart {
height: 440px;
}