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Backend API
import React from 'react';
import {
Chart,
Series,
CommonSeriesSettings,
Point,
Legend,
ValueAxis,
ArgumentAxis,
Grid,
MinorGrid,
CommonPaneSettings,
Border,
} from 'devextreme-react/chart';
import { generateDataSource } from './data.ts';
const dataSource = generateDataSource();
function App() {
return (
<Chart id="chart" dataSource={dataSource}>
<CommonSeriesSettings type="scatter" />
<Series
valueField="y1"
argumentField="x1" />
<Series
valueField="y2"
argumentField="x2"
>
<Point symbol="triangleDown" />
</Series>
<ArgumentAxis
tickInterval={5}
>
<Grid visible={true} />
<MinorGrid visible={true} />
</ArgumentAxis>
<ValueAxis tickInterval={50} />
<Legend visible={false} />
<CommonPaneSettings>
<Border visible={true} />
</CommonPaneSettings>
</Chart>
);
}
export default App;
import React from 'react';
import {
Chart,
Series,
CommonSeriesSettings,
Point,
Legend,
ValueAxis,
ArgumentAxis,
Grid,
MinorGrid,
CommonPaneSettings,
Border,
} from 'devextreme-react/chart';
import { generateDataSource } from './data.js';
const dataSource = generateDataSource();
function App() {
return (
<Chart
id="chart"
dataSource={dataSource}
>
<CommonSeriesSettings type="scatter" />
<Series
valueField="y1"
argumentField="x1"
/>
<Series
valueField="y2"
argumentField="x2"
>
<Point symbol="triangleDown" />
</Series>
<ArgumentAxis tickInterval={5}>
<Grid visible={true} />
<MinorGrid visible={true} />
</ArgumentAxis>
<ValueAxis tickInterval={50} />
<Legend visible={false} />
<CommonPaneSettings>
<Border visible={true} />
</CommonPaneSettings>
</Chart>
);
}
export default App;
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.tsx';
ReactDOM.render(
<App />,
document.getElementById('app'),
);
export function generateDataSource() {
const b1 = random(-100, 100) / 10;
const b2 = random(-100, 100) / 10;
let k1 = random(-100, 100) / 10;
let k2 = random(-100, 100) / 10;
const ds: { x1: number; y1: number; x2: number; y2: number; }[] = [];
let i;
let x1;
let x2;
let y1;
let y2;
let isNegativeDelta;
let delta1;
let delta2;
if (k1 < 0.1 && k1 >= 0) { k1 = 0.1; }
if (k1 > -0.1 && k1 < 0) { k1 = -0.1; }
if (k2 < 0.1 && k2 >= 0) { k2 = 0.1; }
if (k2 > -0.1 && k2 < 0) { k2 = -0.1; }
const deviation1 = Math.abs(k1 * 8);
const deviation2 = Math.abs(k2 * 8);
for (i = 0; i < 30; i += 1) {
x1 = random(1, 20);
x2 = random(1, 20);
isNegativeDelta = random(0, 1) === 0;
delta1 = deviation1 * Math.random();
delta2 = deviation2 * Math.random();
if (isNegativeDelta) {
delta1 = -delta1;
delta2 = -delta2;
}
y1 = k1 * x1 + b1 + delta1;
y2 = k2 * x2 + b2 + delta2;
ds.push({
x1, y1, x2, y2,
});
}
return ds;
}
function random(min: number, max: number) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
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,
},
'openai': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
'bundles:': '../../../../bundles/',
'externals:': '../../../../bundles/externals/',
},
defaultExtension: 'js',
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@4.2.4/lib/typescript.js',
'jszip': 'npm:jszip@3.10.1/dist/jszip.min.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/prop-types.js',
'rrule': 'npm:rrule@2.6.4/dist/es5/rrule.js',
'luxon': 'npm:luxon@3.4.4/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign',
'devextreme': 'npm:devextreme@link:../../packages/devextreme/artifacts/npm/devextreme/cjs',
'devextreme-react': 'npm:devextreme-react@link:../../packages/devextreme-react/npm/cjs',
'devextreme-quill': 'npm:devextreme-quill@1.7.1/dist/dx-quill.min.js',
'devexpress-diagram': 'npm:devexpress-diagram@2.2.5/dist/dx-diagram.js',
'devexpress-gantt': 'npm:devexpress-gantt@4.1.54/dist/dx-gantt.js',
'@devextreme/runtime': 'npm:@devextreme/runtime@3.0.12',
'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/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@3.0.12/inferno/package.json',
],
babelOptions: {
sourceMaps: false,
stage0: true,
react: true,
},
};
System.config(window.config);
import React from 'react';
import ReactDOM from 'react-dom';
import App from './App.js';
ReactDOM.render(<App />, document.getElementById('app'));
export function generateDataSource() {
const b1 = random(-100, 100) / 10;
const b2 = random(-100, 100) / 10;
let k1 = random(-100, 100) / 10;
let k2 = random(-100, 100) / 10;
const ds = [];
let i;
let x1;
let x2;
let y1;
let y2;
let isNegativeDelta;
let delta1;
let delta2;
if (k1 < 0.1 && k1 >= 0) {
k1 = 0.1;
}
if (k1 > -0.1 && k1 < 0) {
k1 = -0.1;
}
if (k2 < 0.1 && k2 >= 0) {
k2 = 0.1;
}
if (k2 > -0.1 && k2 < 0) {
k2 = -0.1;
}
const deviation1 = Math.abs(k1 * 8);
const deviation2 = Math.abs(k2 * 8);
for (i = 0; i < 30; i += 1) {
x1 = random(1, 20);
x2 = random(1, 20);
isNegativeDelta = random(0, 1) === 0;
delta1 = deviation1 * Math.random();
delta2 = deviation2 * Math.random();
if (isNegativeDelta) {
delta1 = -delta1;
delta2 = -delta2;
}
y1 = k1 * x1 + b1 + delta1;
y2 = k2 * x2 + b2 + delta2;
ds.push({
x1,
y1,
x2,
y2,
});
}
return ds;
}
function random(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
<!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/24.2.3/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;
}