Scale Breaks
Documentation
Scale breaks allow breaking off parts of the axis to improve the readability of a chart with high amplitude values. This example demonstrates auto-calculated scale breaks. You can change the number of breaks, their style or disabled them.
Feel free to share demo-related thoughts here.
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If you have technical questions, please create a support ticket in the DevExpress Support Center.
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<dx-chart id="chart" [title]="title" [dataSource]="data">
<dxi-series valueField="mass" argumentField="name" type="bar"> </dxi-series>
<dxi-value-axis
[visible]="true"
[autoBreaksEnabled]="autoBreaksEnabledValue"
[maxAutoBreakCount]="breaksCountValue"
>
<dxo-break-style [line]="lineStyleValue"> </dxo-break-style>
</dxi-value-axis>
<dxo-legend [visible]="false"> </dxo-legend>
<dxo-tooltip [enabled]="true"> </dxo-tooltip>
</dx-chart>
<div class="options">
<div class="caption">Options</div>
<div class="options-container">
<div class="option">
<dx-check-box
class="checkbox"
text="Enable Breaks"
[(value)]="autoBreaksEnabledValue"
>
</dx-check-box>
</div>
<div class="option">
<span>Max Count</span>
<dx-select-box
[items]="breaksCount"
[(value)]="breaksCountValue"
[width]="80"
>
</dx-select-box>
</div>
<div class="option">
<span>Style</span>
<dx-select-box
[items]="lineStyles"
[(value)]="lineStyleValue"
[width]="120"
>
</dx-select-box>
</div>
</div>
</div>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxChartModule, DxCheckBoxModule, DxSelectBoxModule } from 'devextreme-angular';
import { SolarSystemObject, Service } from './app.service';
if (!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
templateUrl: 'app/app.component.html',
styleUrls: ['app/app.component.css'],
providers: [Service],
preserveWhitespaces: true,
})
export class AppComponent {
data: SolarSystemObject[];
lineStyles: Array<string> = ['waved', 'straight'];
breaksCount: Array<number> = [1, 2, 3, 4];
lineStyleValue: string;
autoBreaksEnabledValue = true;
breaksCountValue: number;
title = 'Relative Masses of the Heaviest\n Solar System Objects';
constructor(service: Service) {
this.data = service.getData();
this.lineStyleValue = this.lineStyles[0];
this.breaksCountValue = this.breaksCount[2];
}
}
@NgModule({
imports: [
BrowserModule,
DxChartModule,
DxCheckBoxModule,
DxSelectBoxModule,
],
declarations: [AppComponent],
bootstrap: [AppComponent],
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #chart {
height: 440px;
}
.options {
padding: 20px;
background-color: rgba(191, 191, 191, 0.15);
margin-top: 20px;
}
.caption {
font-size: 18px;
font-weight: 500;
}
.option {
display: inline-block;
margin-right: 70px;
margin-top: 5px;
}
.option > span {
margin: 0 10px 0 0;
}
.checkbox {
margin-top: -4px;
}
.option > .dx-widget {
display: inline-block;
vertical-align: middle;
}
.options-container {
display: flex;
align-items: center;
}
import { Injectable } from '@angular/core';
export class SolarSystemObject {
name: string;
mass: number;
}
const data: SolarSystemObject[] = [{
name: 'Jupiter',
mass: 318,
}, {
name: 'Saturn',
mass: 95,
}, {
name: 'Uranus',
mass: 14.6,
}, {
name: 'Neptune',
mass: 17.2,
}, {
name: 'Earth',
mass: 1,
}, {
name: 'Venus',
mass: 0.82,
}, {
name: 'Mars',
mass: 0.11,
}, {
name: 'Mercury',
mass: 0.06,
}];
@Injectable()
export class Service {
getData(): SolarSystemObject[] {
return data;
}
}
// In real applications, you should not transpile code in the browser.
// You can see how to create your own application with Angular and DevExtreme here:
// https://js.devexpress.com/Documentation/Guide/Angular_Components/Getting_Started/Create_a_DevExtreme_Application/
window.config = {
transpiler: 'ts',
typescriptOptions: {
module: 'system',
emitDecoratorMetadata: true,
experimentalDecorators: true,
},
meta: {
'typescript': {
'exports': 'ts',
},
'devextreme/localization.js': {
'esModule': true,
},
},
paths: {
'npm:': 'https://unpkg.com/',
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.5.3/lib/typescript.js',
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'@angular/compiler': 'npm:@angular/compiler@12.2.15',
'tslib': 'npm:tslib@2.3.1/tslib.js',
'rxjs': 'npm:rxjs@6.4.0',
'rrule': 'npm:rrule@2.6.6/dist/es5/rrule.js',
'luxon': 'npm:luxon@1.28.0/build/global/luxon.min.js',
'es6-object-assign': 'npm:es6-object-assign@1.1.0',
'devextreme': 'npm:devextreme@21.2.5/cjs',
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'jszip': 'npm:jszip@3.7.1/dist/jszip.min.js',
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'@devextreme/runtime': 'npm:@devextreme/runtime@2.3.14',
'inferno': 'npm:inferno@7.4.11/dist/inferno.min.js',
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'inferno-clone-vnode': 'npm:inferno-clone-vnode@7.4.11/dist/inferno-clone-vnode.min.js',
'inferno-create-class': 'npm:inferno-create-class@7.4.11/dist/inferno-create-class.min.js',
'inferno-extras': 'npm:inferno-extras@7.4.11/dist/inferno-extras.min.js',
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts',
},
'devextreme': {
defaultExtension: 'js',
},
'devextreme/events/utils': {
main: 'index',
},
'devextreme/events': {
main: 'index',
},
'es6-object-assign': {
main: './index.js',
defaultExtension: 'js',
},
},
packageConfigPaths: [
'npm:@devextreme/*/package.json',
'npm:@devextreme/runtime@2.3.14/inferno/package.json',
'npm:@angular/*/package.json',
'npm:@angular/common@12.2.15/*/package.json',
'npm:rxjs@6.4.0/package.json',
'npm:rxjs@6.4.0/operators/package.json',
'npm:devextreme-angular@21.2.5/*/package.json',
'npm:devextreme-angular@21.2.5/ui/*/package.json',
'npm:devextreme-angular@21.2.5/package.json',
'npm:devexpress-diagram@2.1.45/package.json',
'npm:devexpress-gantt@4.0.3/package.json',
],
};
System.config(window.config);
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>DevExtreme Demo</title>
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
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<script>
System.import("app").catch(console.error.bind(console));
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
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