work on minimap

src/Poe2Trade.Navigation/MinimapCapture.cs

@@ -263,6 +263,7 @@ public class MinimapCapture : IFrameConsumer, IDisposable
             _colorTracker.SampleFrame(hsv, wallMask);
 
         using var kernel = Cv2.GetStructuringElement(MorphShapes.Ellipse, new Size(3, 3));
+        Cv2.MorphologyEx(wallMask, wallMask, MorphTypes.Close, kernel); // fill 1-2px gaps
         Cv2.Dilate(wallMask, wallMask, kernel);
 
         FilterSmallComponents(wallMask, _config.WallMinArea);