tornadofx 畫隨機散點圖

class Header : View() {
    val xAxis = NumberAxis("x axis", -0.2, 2.2, 0.1)
    val yAxis = NumberAxis("y axis", -1.0, 18.0, 1.0)
    lateinit var sc: ScatterChart<Number, Number>
    override val root = vbox() {
        addClass(Styles.header)
        hbox(10) {
            button("draw ScatterChart") {
                action {
                    var x = (0..5).map{ (0..2).random() }
                    var y = (0..5).map{ (0..16).random()}
                    val data1 = FXCollections.observableArrayList<Data<Number, Number>>()
                    x.zip(y).forEach {
                        data1.add(Data(it.first, it.second))
                    }
                    sc.data.addAll(XYChart.Series(data1))
                }
            }
            button("clear ScatterChart") {
                action {
                    sc.data.clear()
                }
            }
        }
        hbox {
            sc = scatterchart("scatter chart", xAxis, yAxis) {
                legendSide = Side.RIGHT
            }
        }
    }
}