[chronojump/michrolab] RaceAnalyzer capture graph show a>= line from top to down and discontinuous



commit a5588ddffd13cfaf0434d1c3e159684375387d16
Author: Xavier de Blas <xaviblas gmail com>
Date:   Tue Jul 26 13:28:47 2022 +0200

    RaceAnalyzer capture graph show a>= line from top to down and discontinuous

 src/gui/cairo/raceAnalyzer.cs | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
---
diff --git a/src/gui/cairo/raceAnalyzer.cs b/src/gui/cairo/raceAnalyzer.cs
index bc302a7a5..53a88cec5 100644
--- a/src/gui/cairo/raceAnalyzer.cs
+++ b/src/gui/cairo/raceAnalyzer.cs
@@ -342,9 +342,12 @@ public class CairoGraphRaceAnalyzer : CairoXY
                                 */
                                //above the graph with short top line
                                g.SetSourceColor(black);
+                               g.Save();
+                               g.SetDash(new double[]{1, 2}, 0);
                                g.MoveTo (xTimeAtEnoughAccelMark, topMargin * 2/3);
-                               g.LineTo (xTimeAtEnoughAccelMark, topMargin);
+                               g.LineTo (xTimeAtEnoughAccelMark, graphHeight -bottomMargin);
                                g.Stroke ();
+                               g.Restore ();
                                printText(xTimeAtEnoughAccelMark+2, topMargin * 3/4,
                                                0, textHeight-3, string.Format("a >= {0} m/s^2 at {1} s",
                                                        minAccel, Math.Round(timeAtEnoughAccelMark/1000000.0, 
3)),


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