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    Range Selector

    Logarithmic Scale

    Documentation

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

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    <template> <div> <DxChart id="zoomed-chart" :data-source="dataSource" :resize-panes-on-zoom="true" > <DxSeries/> <DxArgumentAxis :value-margins-enabled="false" :minor-tick-count="10" :visual-range="range" type="logarithmic" > <DxLabel format="exponential"/> <DxGrid :visible="true"/> <DxMinorGrid :visible="true"/> </DxArgumentAxis> <DxLegend :visible="false"/> </DxChart> <DxRangeSelector id="range-selector" :data-source="dataSource" v-model:value="range" > <DxRsChart> <DxRsSeries/> </DxRsChart> <DxScale :min-range="1" :minor-tick-count="10" type="logarithmic" > <DxRsLabel format="exponential"/> </DxScale> <DxSliderMarker format="exponential"/> <DxBehavior :snap-to-ticks="false" call-value-changed="onMoving" /> </DxRangeSelector> </div> </template> <script> import { dataSource } from './data.js'; import { DxChart, DxSeries, DxArgumentAxis, DxGrid, DxMinorGrid, DxLegend, DxLabel } from 'devextreme-vue/chart'; import { DxRangeSelector, DxScale, DxSliderMarker, DxBehavior, DxLabel as DxRsLabel, DxChart as DxRsChart, DxSeries as DxRsSeries } from 'devextreme-vue/range-selector'; export default { components: { DxChart, DxSeries, DxArgumentAxis, DxGrid, DxMinorGrid, DxLegend, DxLabel, DxRangeSelector, DxScale, DxSliderMarker, DxBehavior, DxRsLabel, DxRsChart, DxRsSeries }, data() { return { dataSource, range: [] }; } }; </script> <style scoped> #zoomed-chart{ height: 335px; margin: 0 0 15px; } #range-selector { height: 120px; } </style>
    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/20.2.7/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/20.2.7/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>
    const data = []; for (var i = 0; i < 100; i++) { data.push({ arg: Math.pow(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;
    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@1.26.0/build/global/luxon.min.js', 'es6-object-assign': 'npm:es6-object-assign@1.1.0', 'devextreme': 'npm:devextreme@20.2.7', 'devextreme-vue': 'npm:devextreme-vue@20.2.7', 'jszip': 'npm:jszip@3.6.0/dist/jszip.min.js', 'devextreme-quill': 'npm:devextreme-quill@0.10.3/dist/dx-quill.min.js', 'devexpress-diagram': 'npm:devexpress-diagram@2.0.23/dist/dx-diagram.js', 'devexpress-gantt': 'npm:devexpress-gantt@2.0.29/dist/dx-gantt.js', 'preact': 'npm:preact@10.5.13/dist/preact.js', 'preact/hooks': 'npm:preact@10.5.13/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 } });