[chronojump] RunEncoder clicking on capture blanks the capture Cairo scatterplot graphs

[Xavier de Blas <xaviblas src gnome org>]

commit 49845e4157d4bdac77b7d641adbece2718b81d69
Author: Xavier de Blas <xaviblas gmail com>
Date:   Mon Apr 12 18:19:04 2021 +0200

    RunEncoder clicking on capture blanks the capture Cairo scatterplot graphs

 src/gui/app1/runEncoder.cs | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)
---
diff --git a/src/gui/app1/runEncoder.cs b/src/gui/app1/runEncoder.cs
index de224a7e..fb343dfc 100644
--- a/src/gui/app1/runEncoder.cs
+++ b/src/gui/app1/runEncoder.cs
@@ -270,10 +270,14 @@ public partial class ChronoJumpWindow
                if(cairoRadial != null)
                        cairoRadial.ResetSpeedMax();
 
-               if(cairoGraphRaceAnalyzer_dt != null)
-                       cairoGraphRaceAnalyzer_dt.Reset();
-               if(cairoGraphRaceAnalyzer_st != null)
-                       cairoGraphRaceAnalyzer_st.Reset();
+               //blank Cairo scatterplot graphs
+               cairoGraphRaceAnalyzer_dt = null;
+               cairoGraphRaceAnalyzer_st = null;
+               cairoGraphRaceAnalyzerPoints_dt_l = new List<PointF>();
+               cairoGraphRaceAnalyzerPoints_st_l = new List<PointF>();
+               updateRaceAnalyzerCapturePositionTime(true);
+               updateRaceAnalyzerCaptureSpeedTime(true);
+
 
                if(chronopicRegister.NumConnectedOfType(ChronopicRegisterPort.Types.ARDUINO_RUN_ENCODER) == 0)
                {