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import { AfterViewInit, Component, ElementRef, Input, OnInit, ViewChild } from '@angular/core';
import { Chart, LinearScale, CategoryScale } from 'chart.js';
import { BoxPlotController, BoxAndWiskers } from '@sgratzl/chartjs-chart-boxplot';
function randomValues(count: number, min: number, max: number) {
const delta = max - min;
return Array.from({ length: count }).map(() => Math.random() * delta + min);
}
Chart.register(BoxPlotController, BoxAndWiskers, LinearScale, CategoryScale);
@Component({
selector: 'app-box-plot',
templateUrl: './box-plot.component.html',
styleUrls: ['./box-plot.component.css']
})
export class BoxPlotComponent implements AfterViewInit {
@Input()width?: number;
@Input()height?: number;
@Input()mean?: number;
@Input()median?: number;
@Input()min?: number;
@Input()max?: number;
@Input()q1?: number;
@Input()q3?: number;
updateChart(min: number, max: number, q1: number, q3: number, median: number){
console.log(this.min, this.max);
const newBoxPlotData = {
labels: [""],
datasets: [{
label: 'Dataset 1',
backgroundColor: '#0063AB',
borderColor: '#dfd7d7',
borderWidth: 1,
outlierColor: '#999999',
scaleFontColor: '#0063AB',
padding: 10,
itemRadius: 0,
data: [
{min, q1, median, q3, max}/*,
[0, 25, 51, 75, 99]*/
]}]
};
const newOptionsTmp = {
plugins:{
legend: {
display: false
},
},
scales : {
x: {
ticks: {
color: '#dfd7d7'
},
grid: {
color: "rgba(0, 99, 171, 0.5)"
}
},
y : {
min: this.min,
max: this.max,
ticks: {
color: '#dfd7d7'
},
grid: {
color: "rgba(0, 99, 171, 0.5)"
}
}
}
};
Object.assign(this.boxplotData, newBoxPlotData);
Object.assign(this.options, newOptionsTmp);
};
options = {
plugins:{
legend: {
display: false
},
},
scales : {
x: {
ticks: {
color: '#dfd7d7'
},
grid: {
color: "rgba(0, 99, 171, 0.5)"
}
},
y : {
min: this.min,
max: this.max,
ticks: {
color: '#dfd7d7'
},
grid: {
color: "rgba(0, 99, 171, 0.5)"
}
}
}
}
@ViewChild('boxplot') chartRef!: ElementRef;
constructor() {
//this.updateChart();
}
boxplotData = {
// define label tree
//labels: ['January'/*, 'February', 'March', 'April', 'May', 'June', 'July'*/],
datasets: [{
label: 'Dataset 1',
backgroundColor: '#0063AB',
borderColor: '#dfd7d7',
borderWidth: 1,
outlierColor: '#999999',
scaleFontColor: '#0063AB',
padding: 10,
itemRadius: 0,
data: [
randomValues(100, 0, 100),
/*randomValues(100, 0, 20),
randomValues(100, 20, 70),
randomValues(100, 60, 100),
randomValues(40, 50, 100),
randomValues(100, 60, 120),
randomValues(100, 80, 100)*/
]}/*, {
label: 'Dataset 2',
backgroundColor: 'rgba(0,0,255,0.5)',
borderColor: 'blue',
borderWidth: 1,
outlierColor: '#999999',
padding: 10,
itemRadius: 0,
data: [
randomValues(100, 60, 100),
randomValues(100, 0, 100),
randomValues(100, 0, 20),
randomValues(100, 20, 70),
randomValues(40, 60, 120),
randomValues(100, 20, 100),
randomValues(100, 80, 100)
]
}*/]
};
ngAfterViewInit(): void {
const myChart = new Chart(this.chartRef.nativeElement, {
type: "boxplot",
data: this.boxplotData,
options: this.options
});
}
}
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