Update app.py

app.py

@@ -120,54 +120,19 @@ def display_simple_directed_graph(G, pos=None):
 # Function to display Custom Node Position Graphs for Drawing: Custom Node Position
 def display_custom_node_position():
     st.title("Drawing: Custom Node Position")
-    option = st.radio("Choose a graph type:", ("Default Example", "Create your own"))
-
-    if option == "Default Example":
-        # Default example graph (path graph with custom node position)
-        G = nx.path_graph(20)
-        center_node = 5
-        edge_nodes = set(G) - {center_node}
-        
-        # Ensure the nodes around the circle are evenly distributed
-        pos = nx.circular_layout(G.subgraph(edge_nodes))
-        pos[center_node] = np.array([0, 0])  # Manually specify node position
-        
-        # Draw the graph
-        nx.draw(G, pos, with_labels=True)
-        st.pyplot(plt)
-
-    elif option == "Create your own":
-        # Let the user define a graph with custom edges
-        st.write("Enter the edges (as pairs of nodes) separated by commas. For example, 1,2 or 3,4.")
-        edge_input = st.text_area("Edges:", value="0,1\n1,2\n2,3")
-        
-        edges = []
-        if edge_input:
-            edge_list = edge_input.split("\n")
-            for edge in edge_list:
-                u, v = map(int, edge.split(","))
-                edges.append((u, v))
-
-        # Create the graph and allow user to input custom node positions
-        if st.button("Generate"):
-            G_custom = nx.Graph()
-            G_custom.add_edges_from(edges)
-
-            # Let user define node positions
-            st.write("Enter custom positions for nodes (format: node: x,y). For example, 0: 0,0 or 1: 1,2.")
-            pos_input = st.text_area("Node positions:", value="0: 0,0\n1: 1,1\n2: 2,0")
-            
-            pos = {}
-            if pos_input:
-                pos_list = pos_input.split("\n")
-                for position in pos_list:
-                    node, coordinates = position.split(":")
-                    x, y = map(float, coordinates.split(","))
-                    pos[int(node)] = np.array([x, y])
-
-            # Draw the graph with custom node positions
-            nx.draw(G_custom, pos, with_labels=True)
-            st.pyplot(plt)
+    
+    # Default example graph (path graph with custom node position)
+    G = nx.path_graph(20)
+    center_node = 5
+    edge_nodes = set(G) - {center_node}
+    
+    # Ensure the nodes around the circle are evenly distributed
+    pos = nx.circular_layout(G.subgraph(edge_nodes))
+    pos[center_node] = np.array([0, 0])  # Manually specify node position
+    
+    # Draw the graph
+    nx.draw(G, pos, with_labels=True)
+    st.pyplot(plt)
 
 # Display Basic: Properties if selected
 if sidebar_option == "Basic: Properties":