         if let x = axisSet.xAxis {
             x.majorIntervalLength   = oneDay as NSNumber
             x.orthogonalPosition    = 2.0
-            x.minorTicksPerInterval = 0;
+            x.minorTicksPerInterval = 0
             let dateFormatter = DateFormatter()
             dateFormatter.dateStyle = .short
             let timeFormatter = CPTTimeFormatter(dateFormatter:dateFormatter)
-            timeFormatter.referenceDate = refDate;
-            x.labelFormatter            = timeFormatter;
+            timeFormatter.referenceDate = refDate
+            x.labelFormatter            = timeFormatter
         }
 
         if let y = axisSet.yAxis {

import CorePlot

class DateController : NSObject, CPTPlotDataSource {
    private let oneDay : Double = 24 * 60 * 60;

    @IBOutlet var hostView : CPTGraphHostingView? = nil


        newGraph.apply(theme)

        if let host = self.hostView {
            host.hostedGraph = newGraph
        }

        // Setup scatter plot space
