Я хочу визуализировать некоторые точки на графике, точки перемещаются по ссылке, но они не являются узлами.В настоящее время я добавил некоторые точки расположения, но не могу отобразить их на рисунке.
Это код # - - кодирование: utf-8 - -
import networkx as nx
import matplotlib.pyplot as plt
import itertools
import math
#from mesa.space import NetworkGrid
#from mesa import Agent, Model
#from mesa.time import RandomActivation
#from mesa.datacollection import DataCollector
#from mesa.space import NetworkGrid
#%%Build a graph
G=nx.Graph()
G.add_node("GPs")
G.add_node("AcuteCares")
G.add_node("Waitlists")
G.add_node("newPatients")
G.add_node("Preventabledeaths")
G.add_node("ReviewPatients")
G.add_node("DeathPools")
G.add_node("DNAPool1s")
G.add_node("DNAPool2s")
G.add_node("UntreatedPopulations")
G.add_node("SAPops")
labeldict = {}
labeldict["GPs"] = "GP"
labeldict["AcuteCares"] = "Acute Care"
labeldict["Waitlists"] = "Waitlist"
labeldict["newPatients"] = "New Patients"
labeldict["Preventabledeaths"] = "Preventable Deaths"
labeldict["ReviewPatients"] = "Review Patients"
labeldict["DeathPools"] = "Natural Deaths"
labeldict["DNAPool1s"] = "First DNA"
labeldict["DNAPool2s"] = "Second DNA"
labeldict["UntreatedPopulations"] = "Untreated Population"
labeldict["SAPops"] = "General Population"
G.node["Preventabledeaths"]['pos']=(0,6)
G.node["ReviewPatients"]['pos']=(-3,5)
G.node["UntreatedPopulations"]['pos']=(3,5)
G.node["DNAPool2s"]['pos']=(-3,3)
G.node["Waitlists"]['pos']=(3,3)
G.node["AcuteCares"]['pos']=(-5,0)
G.node["DNAPool1s"]['pos']=(5,0)
G.node["GPs"]['pos']=(-3,-5)
G.node["DeathPools"]['pos']=(3,-5)
G.node["SAPops"]['pos']=(-3,-3)
G.node["newPatients"]['pos']=(3,-3)
edges=itertools.permutations(G.nodes(),2)
G.add_edges_from(edges)
pos=nx.get_node_attributes(G,'pos')
nx.draw(G,pos,labels=labeldict, with_labels = True)
plt.show()
#grid = NetworkGrid(G)
# %%
def arclen(edge):
"""
calculate the length of an edge. The format of edge is like: ('UntreatedPopulations', 'SAPops')
"""
dist_edge = math.sqrt((G.node[edge[0]]['pos'][0] - G.node[edge[1]]['pos'][0])**2 + (G.node[edge[0]]['pos'][1] - G.node[edge[1]]['pos'][1])**2)
return dist_edge
def patientcor(speed,step,edge):
"""get the coordinate of point along the edge, speed is the moving speed per step,
time is the number of steps, edge is the specific edge
"""
x=G.node[edge[0]]['pos'][0] + speed*step/arclen(edge) *(G.node[edge[1]]['pos'][0] -G.node[edge[0]]['pos'][0])
y=G.node[edge[0]]['pos'][1] + speed*step/arclen(edge) *(G.node[edge[1]]['pos'][1] -G.node[edge[0]]['pos'][1])
return (x,y)
#%% Visualise the graph, set the speed at 0.2, time is 0,1,2
edge=("SAPops","GPs")
for t in range(3):
pos[t]=patientcor(0.2, t,edge) #add the location of point on the link per step to the dict
nx.draw(G,pos, labels=labeldict,with_labels = True) #visualise pos dict along with the graph, but the additional points other than nodes do not appear on the figure
plt.show()
На графике показаны только узлы, но не точки, которые движутся по краям:
![image](https://i.stack.imgur.com/luyQs.png)