[英]How to set value inside bubble in bubble charts
I have a code that makes a bubble chart, but I want to the bubbles to have numbers written in them.我有一个制作气泡图的代码,但我希望气泡中有数字。 Please can anyone advise?
请问有人可以建议吗?
Here is the sample code that returns a bubble in the form of BubbleChartDataEntry.这是以 BubbleChartDataEntry 形式返回气泡的示例代码。 I want the bubbles to have numbers as seen below:
我希望气泡具有如下所示的数字:
Currently, my code returns the graph below
目前,我的代码返回下图
I want to keep the x-axis我想保留 x 轴
func setDataCount(_ count: Int, range: UInt32) {
let yVals1 = (0..<count).map { (i) -> BubbleChartDataEntry in
let val = Double(arc4random_uniform(range))
let size = CGFloat(arc4random_uniform(range))
return BubbleChartDataEntry(x: Double(i), y: val, size: size, icon: UIImage(named: "icon"))
}
let yVals2 = (0..<count).map { (i) -> BubbleChartDataEntry in
let val = Double(arc4random_uniform(range))
let size = CGFloat(arc4random_uniform(range))
return BubbleChartDataEntry(x: Double(i), y: val, size: size, icon: UIImage(named: "icon"))
}
let yVals3 = (0..<count).map { (i) -> BubbleChartDataEntry in
let val = Double(arc4random_uniform(range))
let size = CGFloat(arc4random_uniform(range))
return BubbleChartDataEntry(x: Double(i), y: val, size: size)
}
let set1 = BubbleChartDataSet(entries: yVals1, label: "DS 1")
set1.drawIconsEnabled = false
set1.setColor(ChartColorTemplates.colorful()[0], alpha: 0.5)
set1.drawValuesEnabled = true
let set2 = BubbleChartDataSet(entries: yVals2, label: "DS 2")
set2.drawIconsEnabled = false
set2.iconsOffset = CGPoint(x: 0, y: 15)
set2.setColor(ChartColorTemplates.colorful()[1], alpha: 0.5)
set2.drawValuesEnabled = true
let set3 = BubbleChartDataSet(entries: yVals3, label: "DS 3")
set3.setColor(ChartColorTemplates.colorful()[2], alpha: 0.5)
set3.drawValuesEnabled = true
let data = [set1, set2, set3] as BubbleChartData
data.setDrawValues(false)
data.setValueFont(UIFont(name: "HelveticaNeue-Light", size: 7)!)
data.setHighlightCircleWidth(1.5)
data.setValueTextColor(.white)
chartView.data = data
}
I have fixed it.我已经修好了。
data.setDrawValues(true)
data.setValueTextColor(.white)
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