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React Range Selector - Logarithmic Scale

In this demo, a logarithmic axis is used to select a range within a set of rapidly-growing values.

Backend API
import React, { useCallback, useState } from 'react'; import RangeSelector, { Chart as RsChart, Series as RsSeries, Scale, Label as RsLabel, SliderMarker, Behavior, } from 'devextreme-react/range-selector'; import Chart, { ArgumentAxis, Legend, Series, Label, Grid, MinorGrid, } from 'devextreme-react/chart'; import { dataSource } from './data.ts'; const App = () => { const [range, setRange] = useState([]); const updateRange = useCallback((data: { value: any; }) => { setRange(data.value); }, [setRange]); return ( <React.Fragment> <Chart id="zoomed-chart" dataSource={dataSource} resizePanesOnZoom={true} > <Series /> <ArgumentAxis visualRange={range} valueMarginsEnabled={false} minorTickCount={10} type="logarithmic" > <Label format="exponential" /> <Grid visible={true} /> <MinorGrid visible={true} /> </ArgumentAxis> <Legend visible={false} /> </Chart> <RangeSelector id="range-selector" dataSource={dataSource} onValueChanged={updateRange} > <RsChart> <RsSeries /> </RsChart> <Scale minRange={1} minorTickCount={10} type="logarithmic"> <RsLabel format="exponential" /> </Scale> <SliderMarker format="exponential" /> <Behavior snapToTicks={false} valueChangeMode="onHandleMove" /> </RangeSelector> </React.Fragment> ); }; export default App;
import React, { useCallback, useState } from 'react'; import RangeSelector, { Chart as RsChart, Series as RsSeries, Scale, Label as RsLabel, SliderMarker, Behavior, } from 'devextreme-react/range-selector'; import Chart, { ArgumentAxis, Legend, Series, Label, Grid, MinorGrid, } from 'devextreme-react/chart'; import { dataSource } from './data.js'; const App = () => { const [range, setRange] = useState([]); const updateRange = useCallback( (data) => { setRange(data.value); }, [setRange], ); return ( <React.Fragment> <Chart id="zoomed-chart" dataSource={dataSource} resizePanesOnZoom={true} > <Series /> <ArgumentAxis visualRange={range} valueMarginsEnabled={false} minorTickCount={10} type="logarithmic" > <Label format="exponential" /> <Grid visible={true} /> <MinorGrid visible={true} /> </ArgumentAxis> <Legend visible={false} /> </Chart> <RangeSelector id="range-selector" dataSource={dataSource} onValueChanged={updateRange} > <RsChart> <RsSeries /> </RsChart> <Scale minRange={1} minorTickCount={10} type="logarithmic" > <RsLabel format="exponential" /> </Scale> <SliderMarker format="exponential" /> <Behavior snapToTicks={false} valueChangeMode="onHandleMove" /> </RangeSelector> </React.Fragment> ); }; export default App;
import React from 'react'; import ReactDOM from 'react-dom'; import App from './App.tsx'; ReactDOM.render( <App />, document.getElementById('app'), );
const data: ({ arg: number; val: number; })[] = []; for (let i = 0; i < 100; i += 1) { data.push({ arg: 10 ** i * 0.1, val: Math.log(i + 1) / Math.log(0.5) + (Math.random() - 0.5) * (100 / (i + 1)) + 10, }); } export const dataSource = data;
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@24.1.6/cjs', 'devextreme-react': 'npm:devextreme-react@24.1.6/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@2.2.11/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'; import ReactDOM from 'react-dom'; import App from './App.js'; ReactDOM.render(<App />, document.getElementById('app'));
const data = []; for (let i = 0; i < 100; i += 1) { data.push({ arg: 10 ** i * 0.1, val: Math.log(i + 1) / Math.log(0.5) + (Math.random() - 0.5) * (100 / (i + 1)) + 10, }); } export const dataSource = data;
<!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="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/24.1.6/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>
#zoomed-chart { height: 335px; margin: 0 0 15px; } #range-selector { height: 120px; }