// UI SCROLL VIEW
var scrollView: UIScrollView!
scrollView = UIScrollView(frame: CGRect(x: 0, y: 120, width: 400, height: 100))
scrollView.contentSize = CGSize(width: 2000, height: 100)
scrollView.showsHorizontalScrollIndicator = false

let minTemp = 0.0
let maxTemp = 36.8
let interval = 0.1

// LINES
let lines = UIBezierPath()

// DRAW TEMP OTHER LINES
for temp in stride(from: minTemp, to: maxTemp, by: interval)
{
    let isInteger = floor(temp) == temp

    let height = (isInteger) ? 20.0 : 10.0
    let oneLine = UIBezierPath()
    oneLine.move(to: CGPoint(x: temp*50, y: 0))
    oneLine.addLine(to: CGPoint(x: temp*50, y: height))

    lines.append(oneLine)

    // INDICATOR TEXT
    if(isInteger)
    {
        let label = UILabel(frame: CGRect(x: 0, y: 0, width: 40, height: 21))
        label.center = CGPoint(x: temp*50, y: height+15)
        label.font = UIFont(name: "HelveticaNeue",
                            size: 10.0)
        label.textAlignment = .center
        label.text = "(temp) °C"
        scrollView.addSubview(label)
    }
}

// DESIGN LINES IN LAYER
let shapeLayer = CAShapeLayer()
shapeLayer.path = lines.cgPath
shapeLayer.strokeColor = UIColor.black.cgColor
shapeLayer.lineWidth = 1

// ADD LINES IN LAYER
scrollView.layer.addSublayer(shapeLayer)

view.addSubview(scrollView)
self.view = view