Update app.py

app.py

@@ -108,20 +108,18 @@ def PLadder_ZSizes(utc_dt, lat, lon):
     return {'PLadder': PLadder, 'ZSizes': ZSizes, 'longitudes': longitudes}
 
 def plot_pladder(PLadder):
-    """Plot the Planetary Ladder with symbols outside the triangle."""
     fig, ax = plt.subplots()
-    # Plot triangle
-    ax.plot([0, 0, 3, 0], [0, 3, 0, 0], 'k-')
-    # Horizontal lines within triangle
-    ax.plot([0, 2], [1, 1], 'k--')
-    ax.plot([0, 1], [2, 2], 'k--')
-    # Symbol positions outside the triangle
-    positions = [
-        (-0.2, 0), (-0.2, 1), (-0.2, 2), (-0.2, 3),  # Symbols 1 to 4
-        (1.2, 2.2), (2.2, 1.2), (3.2, 0.2)           # Symbols 5 to 7
-    ]
+    # Plot the triangle
+    ax.plot([0, 1.5, 3, 0], [0, 3, 0, 0], 'k-')
+    # Plot horizontal lines within the triangle
+    ax.plot([0.5, 2.5], [1, 1], 'k--')
+    ax.plot([1, 2], [2, 2], 'k--')
+    # Define symbol positions outside the triangle
+    positions = [(-0.2,0), (0.3,1), (0.8,2), (1.3,3), (2.2,2.2), (2.7,1.2), (3.2,0.2)]
+    # Plot planet symbols
     for i, (x, y) in enumerate(positions):
         ax.text(x, y, planet_symbols[PLadder[i]], ha='center', va='center', fontsize=24)
+    # Set plot limits and aesthetics
     ax.set_xlim(-0.5, 3.5)
     ax.set_ylim(-0.5, 3.5)
     ax.set_aspect('equal')