A lightweight and simple to use radar chart.

Customization

Plot
color
background color
should plot
should animation
animation duration

Axes
colors
widths

Label
font
font color
font size
line spacing
letter spacing
margin

Requirements

• iOS 9+
• Swift 4.2+

Integration

Drop in RadarChart folder to your Xcode project. Make sure to enable Copy items if needed and Create groups Or via CocoaPods:

pod 'RadarChart`

How to use

If you want to draw a chart like the image below, please write as follows.

Set properties of RadarChartView data labelTexts numberOfVertexes numberTicks style option like below.

class ViewController: UIViewController {

    @IBOutlet weak var chartView: RadarChartView!

    override func viewDidLoad() {
        super.viewDidLoad()

        chartView.data = [3, 1, 2, 1, 4, 1]
        chartView.labelTexts = ["Running", "Catching", "Rhythm", "Throwing", "Balance", "Jumping"]
        chartView.numberOfVertexes = 6
        chartView.numberTicks = 5
        chartView.style = RadarChartStyle(color: color,
                                          backgroundColor: backgroundColor,
                                          xAxis: RadarChartStyle.Axis(
                                            colors: [xAxisColor],
                                            widths: [0.5, 0.5, 0.5, 0.5, 2.0]),
                                          yAxis: RadarChartStyle.Axis(
                                            colors: [yAxisColor],
                                            widths: [0.5]),
                                          label: RadarChartStyle.Label(fontName: "Helvetica",
                                                                       fontColor: fontColor,
                                                                       fontSize: 11,
                                                                       lineSpacing: 0,
                                                                       letterSpacing: 0,
                                                                       margin: 10)
        )
        chartView.option = RadarChartOption()
    }

    override func viewDidLayoutSubviews() {
        chartView.prepareForDrawChart()
        chartView.setNeedsLayout()
    }
}

License

RadarChart is released under the MIT license. Check LICENSE for details

Contact

If you have any questions, requests, or enhancements, feel free to submit a pull request, create an issue.

Hajime Nakamura nkmrhj@gmail.com