Scatter Logarithmic Axis
Documentation
In this demo, a logarithmic axis is used to visualize a set of rapidly-growing values.
Feel free to share demo-related thoughts here.
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<dx-chart
id="chart"
[dataSource]="relativeMasses"
title="Relative Masses of the Heaviest Solar System Objects"
[customizePoint]="customizePoint">
<dxi-series
type="scatter"
valueField="mass"
argumentField="name">
<dxo-point [size]="20"></dxo-point>
</dxi-series>
<dxo-common-pane-settings>
<dxo-border [visible]="true"></dxo-border>
</dxo-common-pane-settings>
<dxo-argument-axis>
<dxo-grid [visible]="true"></dxo-grid>
<dxo-label
rotationAngle="20"
overlappingBehavior="rotate">
</dxo-label>
</dxo-argument-axis>
<dxi-value-axis
type="logarithmic"
title="Mass Relative to the Earth">
</dxi-value-axis>
<dxo-tooltip [enabled]="true"></dxo-tooltip>
<dxo-legend [visible]="false"></dxo-legend>
<dxo-export [enabled]="true"></dxo-export>
</dx-chart>
import { NgModule, Component, enableProdMode } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { DxChartModule } from 'devextreme-angular';
import { Service, RelativeMass } from './app.service';
if(!/localhost/.test(document.location.host)) {
enableProdMode();
}
@Component({
selector: 'demo-app',
providers: [Service],
templateUrl: 'app/app.component.html',
styleUrls: ['app/app.component.css']
})
export class AppComponent {
relativeMasses: RelativeMass[];
constructor(service: Service) {
this.relativeMasses = service.getRelativeMasses();
}
customizePoint = (arg: any) => {
var color, hoverStyle;
switch (arg.data.type) {
case "Star":
color = "red";
hoverStyle = { border: { color: "red" } };
break;
case "Satellite":
color = "gray";
hoverStyle = { border: { color: "gray" } };
}
return { color, hoverStyle };
}
}
@NgModule({
imports: [
BrowserModule,
DxChartModule
],
declarations: [AppComponent],
bootstrap: [AppComponent]
})
export class AppModule { }
platformBrowserDynamic().bootstrapModule(AppModule);
::ng-deep #chart {
height: 440px;
}
import { Injectable } from '@angular/core';
export class RelativeMass {
name: string;
mass: number;
type: string;
}
let relativeMasses: RelativeMass[] = [{
name: "Sun",
mass: 332837,
type: 'Star'
}, {
name: "Jupiter",
mass: 317.83,
type: 'Planet'
}, {
name: "Saturn",
mass: 95.159,
type: 'Planet'
}, {
name: "Uranus",
mass: 14.536,
type: 'Planet'
}, {
name: "Neptune",
mass: 17.147,
type: 'Planet'
}, {
name: "Earth",
mass: 1,
type: 'Planet'
}, {
name: "Venus",
mass: 0.815,
type: "Planet"
}, {
name: "Mars",
mass: 0.107,
type: 'Planet'
}, {
name: "Mercury",
mass: 0.0553,
type: 'Planet'
}, {
name: "Moon",
mass: 0.0123,
type: 'Satellite'
}, {
name: "Europa (Jupiter's Moon)",
mass: 0.00803,
type: 'Satellite'
}];
@Injectable()
export class Service {
getRelativeMasses(): RelativeMass[] {
return relativeMasses;
}
}
// 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/
System.config({
transpiler: 'ts',
typescriptOptions: {
module: "system",
emitDecoratorMetadata: true,
experimentalDecorators: true
},
meta: {
'typescript': {
"exports": "ts"
},
},
paths: {
'npm:': 'https://unpkg.com/'
},
map: {
'ts': 'npm:plugin-typescript@8.0.0/lib/plugin.js',
'typescript': 'npm:typescript@3.4.5/lib/typescript.js',
'@angular': 'npm:@angular',
'tslib': 'npm:tslib/tslib.js',
'rxjs': 'npm:rxjs',
'devextreme': 'npm:devextreme@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@1.0.17',
'devexpress-gantt': 'npm:devexpress-gantt@1.0.10',
'devextreme-angular': 'npm:devextreme-angular@20.1'
},
packages: {
'app': {
main: './app.component.ts',
defaultExtension: 'ts'
},
'devextreme': {
defaultExtension: 'js'
},
'devextreme/events/utils': {
main: 'index'
},
'devextreme/events': {
main: 'index'
},
},
packageConfigPaths: [
"npm:*/package.json",
"npm:@angular/*/package.json",
"npm:@angular/common/*/package.json",
"npm:rxjs/operators/package.json",
"npm:devextreme-angular@20.1/*/package.json",
"npm:devextreme-angular@20.1/ui/*/package.json",
]
});
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<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/20.1.8/css/dx.common.css" />
<link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/20.1.8/css/dx.light.css" />
<script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
<script src="https://unpkg.com/zone.js@0.10.2/dist/zone.js"></script>
<script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
<script src="https://unpkg.com/systemjs@0.21.3/dist/system.js"></script>
<script src="config.js"></script>
<script>
System.import('app').catch(console.error.bind(console));
</script>
</head>
<body class="dx-viewport">
<div class="demo-container">
<demo-app>Loading...</demo-app>
</div>
</body>
</html>