add controls

1 files changed, 2 insertions, 1 deletions

diff --git a/src/relabi/canvas.js b/src/relabi/canvas.js
index d2c55a2..2003a5a 100644
--- a/src/relabi/canvas.js
+++ b/src/relabi/canvas.js
@@ -77,6 +77,7 @@ export default class RelabiCanvas {
     this.lastAppendTime = time;
     this.lastAppendFrame = this.lastFrame;
     this.values = this.values
+      .filter((value) => value && value[0] < time)
       .concat(values)
       .slice(-this.canvas.width)
       .sort((a, b) => a[0] - b[0]);
@@ -142,7 +143,7 @@ export default class RelabiCanvas {
     // Start the path
     ctx.beginPath();
     ctx.strokeStyle = "#dff";
-    ctx.lineWidth = 0.75;
+    ctx.lineWidth = 1.1;
     ctx.setLineDash([]);
 
     // This is the offset in seconds from the last frame we computed