Undo the experiments in the LineChart demo.

widgets/linechart/linechartdemo/linechartdemo.go

@@ -44,23 +44,13 @@ func sineInputs() []float64 {
 // playLineChart continuously adds values to the LineChart, once every delay.
 // Exits when the context expires.
 func playLineChart(ctx context.Context, lc *linechart.LineChart, delay time.Duration) {
-	//inputs := sineInputs()
-	var inputs []float64
+	inputs := sineInputs()
 	ticker := time.NewTicker(delay)
 	defer ticker.Stop()
 	for i := 0; ; {
 		select {
 		case <-ticker.C:
-			//i = (i + 1) % len(inputs)
-			inputs = append(inputs, float64(i%30))
-			if err := lc.Series("first", inputs,
-				linechart.SeriesCellOpts(cell.FgColor(cell.ColorBlue)),
-			); err != nil {
-				panic(err)
-			}
-			i++
-
-			/*
+			i = (i + 1) % len(inputs)
 			rotated := append(inputs[i:], inputs[:i]...)
 			if err := lc.Series("first", rotated,
 				linechart.SeriesCellOpts(cell.FgColor(cell.ColorBlue)),
@@ -75,7 +65,7 @@ func playLineChart(ctx context.Context, lc *linechart.LineChart, delay time.Dura
 			rotated2 := append(inputs[i2:], inputs[:i2]...)
 			if err := lc.Series("second", rotated2, linechart.SeriesCellOpts(cell.FgColor(cell.ColorWhite))); err != nil {
 				panic(err)
-				}*/
+			}
 
 		case <-ctx.Done():
 			return
@@ -96,12 +86,11 @@ func main() {
 		linechart.AxesCellOpts(cell.FgColor(cell.ColorRed)),
 		linechart.YLabelCellOpts(cell.FgColor(cell.ColorGreen)),
 		linechart.XLabelCellOpts(cell.FgColor(cell.ColorCyan)),
-		//linechart.XAxisUnscaled(),
 	)
 	if err != nil {
 		panic(err)
 	}
-	go playLineChart(ctx, lc, redrawInterval/10)
+	go playLineChart(ctx, lc, redrawInterval/3)
 	c, err := container.New(
 		t,
 		container.Border(draw.LineStyleLight),