From a74ca012876924e79ab8a3af75bba7f9211f4c62 Mon Sep 17 00:00:00 2001
From: iamdoubz <>
Date: Fri, 1 May 2026 00:09:12 -0500
Subject: [PATCH] Fix bug where a new colorbar figure would appear on each
 valid scan

---
 renderer.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/renderer.py b/renderer.py
index d24ab42..88f22ce 100644
--- a/renderer.py
+++ b/renderer.py
@@ -62,6 +62,10 @@ def render_heatmap(
     if fig is None or ax is None:
         fig, ax = plt.subplots(figsize=(10, 7))
 
+    # Remove any colorbars left over from previous renders.
+    # Colorbars attach to the figure, not the axes, so ax.clear() doesn't touch them.
+    for ax_obj in fig.axes[1:]:   # axes[0] is the main plot; everything else is a colorbar
+        ax_obj.remove()
     ax.clear()
 
     points, values = session.get_points_and_values_multi(bssids)