diff --git a/main.py b/main.py
index c0610c1..3b1e6b1 100644
--- a/main.py
+++ b/main.py
@@ -287,6 +287,12 @@
     ax_slider = plt.axes([0.2, 0.02, 0.5, 0.03])
     slider = Slider(ax_slider, "Frame", 1, len(data), valinit=1, valstep=1)
 
+    # Toggle state for top view button
+    top_view_enabled = False
+    default_elev = ax.elev
+    default_azim = ax.azim
+    default_roll = getattr(ax, "roll", 0)
+
     def update(val):
         frame_idx = int(slider.val) - 1
         points = data[frame_idx].points
@@ -318,14 +324,17 @@
         angle_text1.set_text(compute_and_format_angle(points, 0, 1))
         angle_text2.set_text(compute_and_format_angle(points, 4, 1))
 
+        if top_view_enabled:
+            set_top_view(points)
+
         ax.set_title(f"Frame {data[frame_idx].frame_number}")
         fig.canvas.draw_idle()
 
     slider.on_changed(update)
 
-    # Button: switch view to direction from points[0] towards points[4]
+    # Button: toggle view to direction from points[0] towards points[4]
     ax_button = plt.axes([0.02, 0.02, 0.1, 0.04])
-    btn_top = Button(ax_button, "v4 view")
+    btn_top = Button(ax_button, "v4 view: OFF")
 
     def set_top_view(points):
         # Calculate direction from points[0] to points[4]
@@ -361,7 +370,16 @@
         ax.view_init(elev=elev, azim=azim, roll=roll)
 
     def btn_top_on_clicked(event):
-        set_top_view(data[int(slider.val) - 1].points)
+        nonlocal top_view_enabled
+        top_view_enabled = not top_view_enabled
+
+        if top_view_enabled:
+            btn_top.label.set_text("v4 view: ON")
+            set_top_view(data[int(slider.val) - 1].points)
+        else:
+            btn_top.label.set_text("v4 view: OFF")
+            ax.view_init(elev=default_elev, azim=default_azim, roll=default_roll)
+
         fig.canvas.draw_idle()
 
     btn_top.on_clicked(btn_top_on_clicked)