アラームゾーン

FlexChartのrenderingおよびrenderedイベントを使用して、通常のチャート要素の後ろまたは上に任意の要素を追加できます。

たとえば、以下のチャートでは、チャートのrenderingイベントハンドラで作成された「危険」ゾーンと「安全」ゾーンがあります。

import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; // import * as chart from '@grapecity/wijmo.chart'; import { getData } from './data'; // document.readyState === 'complete' ? init() : window.onload = init; // function init() { let linechart = new chart.FlexChart('#chart', { header: 'デバイス温度モニター', legend: { position: chart.Position.None }, chartType: chart.ChartType.Line, bindingX: 'x', series: [{ binding: 'y', name: '温度' }], axisY: { min: 0, max: 100, majorGrid: false, title: '温度(℃)' }, rendering: function (s, e) { var xMin = s.axisX.actualMin.valueOf(), xMax = s.axisX.actualMax.valueOf(), yMin = s.axisY.actualMin, yMax = s.axisY.actualMax; if (isNaN(xMin) && isNaN(xMax)) { return; } drawAlarmZone(s, e.engine, xMin, 80, xMax, yMax, 'alarm-zone'); drawAlarmZone(s, e.engine, xMin, 50, xMax, 80, 'warning-zone'); drawAlarmZone(s, e.engine, xMin, yMin, xMax, 50, 'safe-zone'); } }); // setInterval(() => { let data = getData(); linechart.itemsSource = data; }, 1000); } // draw an alarm zone into the chart function drawAlarmZone(chart, engine, xMin, yMin, xMax, yMax, className) { var pt1 = chart.dataToPoint(xMin, yMin); var pt2 = chart.dataToPoint(xMax, yMax); engine.drawRect(Math.min(pt1.x, pt2.x), Math.min(pt1.y, pt2.y), Math.abs(pt2.x - pt1.x), Math.abs(pt2.y - pt1.y), className); } <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexChart Alarm Zones</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div class="container-fluid"> <div id="chart"></div> </div> </body> </html> // get temperature(random data) of device. let data = []; export function getData() { let date = new Date(); if (data.length === 0) { date.setSeconds(date.getSeconds() - 99); for (let i = 1; i < 100; i++) { data.push({ x: new Date(date.valueOf()), y: getRandomTemp() }); date.setSeconds(date.getSeconds() + 1); } } if (data.length === 100) { data.splice(0, 1); } data.push({ x: date, y: getRandomTemp() }); return data.slice(); } function getRandomTemp() { let seed = Math.random(); if (seed > 0.9) { return (Math.round(Math.random() * 800) / 10) + 20; } else if (seed > 0.6) { return (Math.round(Math.random() * 600) / 10) + 20; } else { return (Math.round(Math.random() * 300) / 10) + 20; } } body { margin-bottom: 24px; } label { margin-right: 3px; } .alarm-zone { fill: red; opacity: .15; stroke-width: 0; } .warning-zone { fill: orange; opacity: .15; stroke-width: 0; } .safe-zone { fill: green; opacity: .15; stroke-width: 0; } import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './styles.css'; // import { Component, Inject, enableProdMode, NgModule } from '@angular/core'; import { platformBrowserDynamic } from '@angular/platform-browser-dynamic'; import { BrowserModule } from '@angular/platform-browser'; import { WjChartModule } from '@grapecity/wijmo.angular2.chart'; import { DataService } from './app.data'; import * as wjChart from '@grapecity/wijmo.chart'; // @Component({ selector: 'app-component', templateUrl: 'src/app.component.html' }) export class AppComponent { data: any[]; // constructor(@Inject(DataService) private dataService: DataService) { this.data = dataService.getData(); setInterval(()=>{ this.data = dataService.getData(); }, 1000); } chartRendering(s: wjChart.FlexChart, e: any) { // behind the regular chart elements var xMin = s.axisX.actualMin.valueOf(), xMax = s.axisX.actualMax.valueOf(), yMin = s.axisY.actualMin, yMax = s.axisY.actualMax; if(isNaN(xMin) && isNaN(xMax)) { return; } this.drawAlarmZone(s, e.engine, xMin, 80, xMax, yMax, 'alarm-zone'); this.drawAlarmZone(s, e.engine, xMin, 50, xMax, 80, 'warning-zone'); this.drawAlarmZone(s, e.engine, xMin, yMin, xMax, 50, 'safe-zone'); } // draw an alarm zone into the chart drawAlarmZone(chart: wjChart.FlexChart, engine: wjChart.IRenderEngine, xMin: number, yMin: number, xMax: number, yMax: number, className: string) { var pt1 = chart.dataToPoint(xMin, yMin); var pt2 = chart.dataToPoint(xMax, yMax); engine.drawRect( Math.min(pt1.x, pt2.x), Math.min(pt1.y, pt2.y), Math.abs(pt2.x - pt1.x), Math.abs(pt2.y - pt1.y), className); } } // @NgModule({ imports: [WjChartModule, BrowserModule], declarations: [AppComponent], providers: [DataService], bootstrap: [AppComponent] }) export class AppModule { } // enableProdMode(); // Bootstrap application with hash style navigation and global services. platformBrowserDynamic().bootstrapModule(AppModule); <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexChart Alarm Zones</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- Polyfills --> <script src="node_modules/core-js/client/shim.min.js"></script> <script src="node_modules/zone.js/dist/zone.min.js"></script> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.js"></script> <script src="systemjs.config.js"></script> <script> // workaround to load 'rxjs/operators' from the rxjs bundle System.import('rxjs').then(function (m) { System.set(SystemJS.resolveSync('rxjs/operators'), System.newModule(m.operators)); System.import('./src/app.component'); }); </script> </head> <body> <app-component></app-component> </body> </html> <div class="container-fluid"> <wj-flex-chart #theChart [itemsSource]="data" header="デバイス温度モニター" chartType="Line" bindingX="x" (rendering)="chartRendering(theChart, $event)"> <wj-flex-chart-legend position="None"></wj-flex-chart-legend> <wj-flex-chart-series binding="y" name="温度"></wj-flex-chart-series> <wj-flex-chart-axis wjProperty="axisY" [min]="0" [max]="100" [majorGrid]="false" title="温度(℃)"></wj-flex-chart-axis> </wj-flex-chart> </div> import { Injectable } from '@angular/core'; //// get temperature(random data) of device. let data: any[] = []; @Injectable() export class DataService { getData() { let date = new Date(); if(data.length === 0) { date.setSeconds(date.getSeconds() - 99); for(let i = 1; i < 100; i++) { data.push({ x: new Date(date.valueOf()), y: this.getRandomTemp() }); date.setSeconds(date.getSeconds() + 1); } } if(data.length === 100) { data.splice(0, 1); } data.push({ x: date, y: this.getRandomTemp() }); return data.slice(); } // getRandomTemp() { let seed = Math.random(); if(seed > 0.9) { return (Math.round(Math.random() * 800) / 10) + 20 ; } else if (seed > 0.6) { return (Math.round(Math.random() * 600) / 10) + 20 ; } else { return (Math.round(Math.random() * 300) / 10) + 20 ; } } } body { margin-bottom: 24px; } label { margin-right: 3px; } .alarm-zone { fill: red; opacity: .15; stroke-width: 0; } .warning-zone { fill: orange; opacity: .15; stroke-width: 0; } .safe-zone { fill: green; opacity: .15; stroke-width: 0; } import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import './app.css'; // import * as React from 'react'; import * as ReactDOM from 'react-dom'; // import * as wjChart from '@grapecity/wijmo.react.chart'; import { getData } from './data'; class App extends React.Component { constructor(props) { super(props); this.state = { data: getData() }; } render() { return <div className='container-fluid'> <wjChart.FlexChart itemsSource={this.state.data} header='デバイス温度モニター' chartType='Line' bindingX='x' rendering={this.chartRendering.bind(this)}> <wjChart.FlexChartLegend position='None'/> <wjChart.FlexChartSeries binding='y' name='温度'/> <wjChart.FlexChartAxis wjProperty='axisY' min={0} max={100} majorGrid={false} title='温度(℃)'/> </wjChart.FlexChart> </div>; } componentDidMount() { setInterval(() => { this.setState({ data: getData() }); }, 1000); } chartRendering(s, e) { var xMin = s.axisX.actualMin.valueOf(), xMax = s.axisX.actualMax.valueOf(), yMin = s.axisY.actualMin, yMax = s.axisY.actualMax; if (isNaN(xMin) && isNaN(xMax)) { return; } this.drawAlarmZone(s, e.engine, xMin, 80, xMax, yMax, 'alarm-zone'); this.drawAlarmZone(s, e.engine, xMin, 50, xMax, 80, 'warning-zone'); this.drawAlarmZone(s, e.engine, xMin, yMin, xMax, 50, 'safe-zone'); } drawAlarmZone(chart, engine, xMin, yMin, xMax, yMax, className) { var pt1 = chart.dataToPoint(xMin, yMin); var pt2 = chart.dataToPoint(xMax, yMax); engine.drawRect(Math.min(pt1.x, pt2.x), Math.min(pt1.y, pt2.y), Math.abs(pt2.x - pt1.x), Math.abs(pt2.y - pt1.y), className); } } ReactDOM.render(<App />, document.getElementById('app')); <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>Grapecity Wijmo OLAP Pivot Chart Overview</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app'); </script> </head> <body> <div id="app"></div> </body> </html> body { margin-bottom: 24px; } label { margin-right: 3px; } .alarm-zone { fill: red; opacity: .15; stroke-width: 0; } .warning-zone { fill: orange; opacity: .15; stroke-width: 0; } .safe-zone { fill: green; opacity: .15; stroke-width: 0; } // get temperature(random data) of device. let data = []; export function getData() { let date = new Date(); if (data.length === 0) { date.setSeconds(date.getSeconds() - 99); for (let i = 1; i < 100; i++) { data.push({ x: new Date(date.valueOf()), y: getRandomTemp() }); date.setSeconds(date.getSeconds() + 1); } } if (data.length === 100) { data.splice(0, 1); } data.push({ x: date, y: getRandomTemp() }); return data.slice(); } function getRandomTemp() { let seed = Math.random(); if (seed > 0.9) { return (Math.round(Math.random() * 800) / 10) + 20; } else if (seed > 0.6) { return (Math.round(Math.random() * 600) / 10) + 20; } else { return (Math.round(Math.random() * 300) / 10) + 20; } } <template> <div class="container-fluid"> <wj-flex-chart :itemsSource="data" header="デバイス温度モニター" chartType="Line" bindingX="x" :rendering="chartRendering"> <wj-flex-chart-legend position="None"></wj-flex-chart-legend> <wj-flex-chart-series binding="y" name="温度"></wj-flex-chart-series> <wj-flex-chart-axis wjProperty="axisY" :min="0" :max="100" :majorGrid="false" title="温度(℃)"></wj-flex-chart-axis> </wj-flex-chart> </div> </template> <script> import 'bootstrap.css'; import '@grapecity/wijmo.styles/wijmo.css'; import Vue from 'vue'; import '@grapecity/wijmo.vue2.core'; import '@grapecity/wijmo.vue2.chart'; import { getData } from './data'; let App = Vue.extend({ name: 'app', data: function () { return { data: getData() } }, mounted: function () { setInterval(()=>{ this.data = getData(); }, 1000); }, methods: { chartRendering: function(s, e) { var xMin = s.axisX.actualMin.valueOf(), xMax = s.axisX.actualMax.valueOf(), yMin = s.axisY.actualMin, yMax = s.axisY.actualMax; if(isNaN(xMin) && isNaN(xMax)) { return; } this.drawAlarmZone(s, e.engine, xMin, 80, xMax, yMax, 'alarm-zone'); this.drawAlarmZone(s, e.engine, xMin, 50, xMax, 80, 'warning-zone'); this.drawAlarmZone(s, e.engine, xMin, yMin, xMax, 50, 'safe-zone'); }, drawAlarmZone: function(chart, engine, xMin, yMin, xMax, yMax, className) { var pt1 = chart.dataToPoint(xMin, yMin); var pt2 = chart.dataToPoint(xMax, yMax); engine.drawRect( Math.min(pt1.x, pt2.x), Math.min(pt1.y, pt2.y), Math.abs(pt2.x - pt1.x), Math.abs(pt2.y - pt1.y), className); } } }) new Vue({ render: h => h(App) }).$mount('#app'); </script> <style> body { margin-bottom: 24px; } label { margin-right: 3px; } .alarm-zone { fill: red; opacity: .15; stroke-width: 0; } .warning-zone { fill: orange; opacity: .15; stroke-width: 0; } .safe-zone { fill: green; opacity: .15; stroke-width: 0; } </style> <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>GrapeCity Wijmo FlexChart Alarm Zones</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <!-- SystemJS --> <script src="node_modules/systemjs/dist/system.src.js"></script> <script src="systemjs.config.js"></script> <script> System.import('./src/app.vue'); </script> </head> <body> <div id="app"></div> </body> </html> // get temperature(random data) of device. let data = []; export function getData() { let date = new Date(); if(data.length === 0) { date.setSeconds(date.getSeconds() - 99); for(let i = 1; i < 100; i++) { data.push({ x: new Date(date.valueOf()), y: getRandomTemp() }); date.setSeconds(date.getSeconds() + 1); } } if(data.length === 100) { data.splice(0, 1); } data.push({ x: date, y: getRandomTemp() }); return data.slice(); } function getRandomTemp() { let seed = Math.random(); if(seed > 0.9) { return (Math.round(Math.random() * 800) / 10) + 20 ; } else if (seed > 0.6) { return (Math.round(Math.random() * 600) / 10) + 20 ; } else { return (Math.round(Math.random() * 300) / 10) + 20 ; } }