79 lines
2.0 KiB
Python
79 lines
2.0 KiB
Python
import random
|
|
import networkx as nx
|
|
import matplotlib.pyplot as plt
|
|
from matplotlib import animation
|
|
|
|
|
|
class Node:
|
|
def __init__(self, is_infected=False):
|
|
self.id = random.randint(1, 2000000)
|
|
self.is_infected = is_infected
|
|
|
|
def as_tuple(self):
|
|
return self.id, self.is_infected
|
|
|
|
def __repr__(self):
|
|
return f'id: {self.id}, infected: {self.is_infected}'
|
|
|
|
|
|
class Edge:
|
|
def __init__(self, node_a: Node, node_b: Node, weight: float):
|
|
self.node_a = node_a
|
|
self.node_b = node_b
|
|
self.weight = weight
|
|
|
|
def as_tuple(self):
|
|
return self.node_a, self.node_b, {'weight': self.weight}
|
|
|
|
|
|
class Graph:
|
|
def __init__(self):
|
|
self.edges = []
|
|
|
|
def add_edge(self, edge: Edge):
|
|
self.edges.append(edge)
|
|
|
|
def add_edges(self, edges: [Edge]):
|
|
[self.edges.append(e) for e in edges]
|
|
|
|
|
|
def update(num, layout, g_repr, ax, our_graph):
|
|
"""
|
|
This function is called every 'step', so if you wish to update the graph, do it here
|
|
"""
|
|
ax.clear()
|
|
nx.draw_networkx(g_repr, ax=ax, pos=layout)
|
|
|
|
|
|
def do_graph_animation(output_file_name: str, in_graph: Graph, frame_count: int):
|
|
g_repr = nx.Graph()
|
|
# Convert our graph class into tuples understood by networkx
|
|
g_repr.add_edges_from([e.as_tuple() for e in in_graph.edges])
|
|
|
|
layout = nx.spring_layout(g_repr)
|
|
fig, ax = plt.subplots()
|
|
|
|
anim = animation.FuncAnimation(fig, update, frames=frame_count, fargs=(layout, g_repr, ax, in_graph))
|
|
anim.save(output_file_name)
|
|
plt.show()
|
|
|
|
|
|
def main():
|
|
network = Graph()
|
|
nodes = [Node(True), Node(), Node(), Node(True), Node()]
|
|
|
|
network.add_edges([
|
|
Edge(nodes[1], nodes[0], 0.02),
|
|
Edge(nodes[1], nodes[2], 0.2),
|
|
Edge(nodes[2], nodes[0], 0.7),
|
|
Edge(nodes[3], nodes[2], 0.2),
|
|
Edge(nodes[3], nodes[1], 0.2),
|
|
Edge(nodes[4], nodes[3], 0.2)
|
|
])
|
|
|
|
do_graph_animation('test.gif', network, 1)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|