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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" :value.sync="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 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/20.1.4/css/dx.common.css" /> <link rel="dx-theme" data-theme="generic.light" href="https://cdn3.devexpress.com/jslib/20.1.4/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>
    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' }, }, 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@20.1', 'devextreme-vue': 'npm:devextreme-vue@20.1', 'jszip': 'npm:jszip@3.1.3/dist/jszip.min.js', 'quill': 'npm:quill@1.3.7/dist/quill.js', 'devexpress-diagram': 'npm:devexpress-diagram@1.0.5', 'devexpress-gantt': 'npm:devexpress-gantt@1.0.3', 'plugin-babel': 'npm:systemjs-plugin-babel@0/plugin-babel.js', 'systemjs-babel-build': 'npm:systemjs-plugin-babel@0/systemjs-babel-browser.js' }, packages: { 'devextreme-vue': { main: 'index.js' }, 'devextreme': { defaultExtension: 'js' }, 'devextreme/events/utils': { main: 'index' }, 'devextreme/events': { main: 'index' }, }, babelOptions: { sourceMaps: false, stage0: true } });