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using_plotly.py
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using_plotly.py
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"""Modélisation avec utilisation de plotly """
from sklearn.datasets import make_blobs
import random as rd
import time
from fastdist import fastdist
from plotly.offline import plot # pour travailler en offline!
import plotly.graph_objects as go
from plotly.subplots import make_subplots
import numpy as np
import pandas as pd
def distance_e(x, y):
"""
Distance entre 2 points
"""
return fastdist.euclidean(np.array(x), np.array(y))
def remove_(a, l):
"""
Enlever les éléments de l dans a
"""
for i in range(len(l)):
a.remove(l[i])
return a
def chance_infecte(p):
"""
Return True s'il devient infecté avec une proba p
"""
return rd.randint(0, 100) < int(p * 100)
def immuniser(l, l2, p):
"""
l: infectés; l2: immunisés précédents
"""
drop = 0
for i in range(len(l)):
if rd.randint(0, 100) < int(p * 100):
l2.append(l[i - drop])
l.remove(l[i - drop])
drop += 1
return l, l2
def deces(l, l2, l3, p):
"""
l: infectés; l2: décès précédents; l3: immunisés
"""
l_p = l[:] # création d'une copie pour éviter d'erreur d'indice
for i in range(len(l_p)):
if rd.randint(0, 100) < int(p * 100) and not any(list == l_p[i] for list in l3):
l2.append(l_p[i])
l.remove(l_p[i])
return l, l2
def vague_seuil_px_opti2():
global list
print('Début de la simulation ... \n')
start = time.time()
nb_individu = 10000 # recommandé : 500 à 10000
variance_pop = 1 # recommandé : 1
rayon_contamination = 0.5 # recommandé : 0.5
infectiosite = 0.17 # recommandé : 10%
p = 0.1 # recommandé : 10%
d = 0.05 # recommandé : 5%
# NOTE : si les courbes restent constantes, augmentez le rayon de contamination
# si le virus est trés mortel il n'y aura pas beaucoup de propagation
# Bleu : '#636EFA'
# Rouge : '#EF553B'
# Vert : '#00CC96'
# Violet : '#AB63FA'
if nb_individu < 10 or rayon_contamination <= 0:
return 'error, nb_individu and var_population and rayon_contamination must be >=10 and > 0'
if infectiosite < 0 or infectiosite > 1:
return 'error, infectiosité must be in [0,1]'
if p < 0 or p > 1:
return 'error, p must be in [0,1]'
if d < 0 or p > 1:
return 'error, d must be in [0,1]'
# création des figures
fig = make_subplots(rows=2, cols=2, column_widths=[0.8, 0.2], row_heights=[0.5, 0.5],
subplot_titles=["population", "", ""],
specs=[[{'type': 'xy'}, {'type': 'domain'}], [{'type': 'xy', 'colspan': 2}, None]],
horizontal_spacing=0.05, vertical_spacing=0.05)
# dataset
x, y = make_blobs(n_samples=nb_individu, centers=1, cluster_std=variance_pop)
df = pd.DataFrame(dict(x=x[:, 0],
y=x[:, 1]))
# création des courbes finales et listes des coordonnées
data = dict(courbe_sains=[], courbe_infectes=[], courbe_immunises=[], courbe_deces=[], courbe_removed=[],
coord_infectes=[], coord_sains=[], coord_immunises=[], coord_deces=[])
numero_infecte_1 = rd.randint(0, nb_individu - 1) # on choisit le premier individu infecté au hasard
coord_1er_infecte = [df['x'][numero_infecte_1], df['y'][numero_infecte_1]] # coordonnées du 1er infecté
# Remplissage des listes
for k in range(nb_individu):
if k == numero_infecte_1:
data['coord_infectes'].append(coord_1er_infecte)
else:
data['coord_sains'].append([df['x'][k], df['y'][k]])
data['courbe_sains'].append(nb_individu - 1)
data['courbe_infectes'].append(1)
data['courbe_immunises'].append(0)
data['courbe_deces'].append(0)
data['courbe_removed'].append(0)
# Jours 2 à n
while len(data['coord_infectes']) > 0.08 * nb_individu or len(data['courbe_sains']) < 10: # condition d'arrêt
for k in range(len(data['coord_infectes'])):
non_sains = 0
for j in range(len(data['coord_sains'])):
if distance_e(data['coord_infectes'][k],
data['coord_sains'][j - non_sains]) < rayon_contamination and not any(
list == data['coord_sains'][j - non_sains] for list in data['coord_infectes']) \
and chance_infecte(infectiosite):
buf = data['coord_sains'][j - non_sains]
data['coord_infectes'].append(buf)
data['coord_sains'].remove(buf)
non_sains += 1
coord_infectes1, data['coord_immunises'] = immuniser(data['coord_infectes'], data['coord_immunises'], p)
data['coord_infectes'], data['coord_deces'] = deces(coord_infectes1, data['coord_deces'],
data['coord_immunises'], d)
# pour les courbes finales
data['courbe_sains'].append(len(data['coord_sains']))
data['courbe_infectes'].append(len(data['coord_infectes']))
data['courbe_immunises'].append(len(data['coord_immunises']))
data['courbe_deces'].append(len(data['coord_deces']))
data['courbe_removed'].append(len(data['coord_immunises']) + len(data['coord_deces']))
if data['coord_sains']:
fig.add_trace(
go.Scatter(x=np.array(data['coord_sains'])[:, 0], y=np.array(data['coord_sains'])[:, 1], name="sain",
mode="markers",
marker=dict(
color='#636EFA',
size=5,
line=dict(
width=0.4,
color='#636EFA')
), marker_line=dict(width=1), showlegend=False), 1, 1)
if data['coord_infectes']:
fig.add_trace(go.Scatter(x=np.array(data['coord_infectes'])[:, 0], y=np.array(data['coord_infectes'])[:, 1],
name="infecté", mode="markers",
marker=dict(
color='#EF553B',
size=5,
line=dict(
width=0.4,
color='#EF553B')
), marker_line=dict(width=1), showlegend=False), 1, 1)
if data['coord_immunises']:
fig.add_trace(go.Scatter(x=np.array(data['coord_immunises'])[:, 0], y=np.array(data['coord_immunises'])[:, 1],
name='immunisé', mode="markers",
marker=dict(
color='#00CC96',
size=5,
line=dict(
width=0.4,
color='#00CC96')
), marker_line=dict(width=1), showlegend=False), 1, 1)
if data['coord_deces']:
fig.add_trace(
go.Scatter(x=np.array(data['coord_deces'])[:, 0], y=np.array(data['coord_deces'])[:, 1], name="décédé",
mode="markers",
marker=dict(
color='#AB63FA',
size=5,
line=dict(
width=0.4,
color='#AB63FA')
), marker_line=dict(width=1), showlegend=False), 1, 1)
fig.update_traces(hoverinfo="name")
fig.update_xaxes(showgrid=False, visible=False, row=1, col=1)
fig.update_yaxes(showgrid=False, visible=False, row=1, col=1)
labels = ["sains", "infectés", "immunisés", "décédés"]
fig.add_trace(go.Pie(values=[len(data['coord_sains']), len(data['coord_infectes']), len(data['coord_immunises']),
len(data['coord_deces'])], labels=labels, sort=False), 1, 2)
x_courbe = list(np.arange(0, len(data['courbe_sains'])))
fig.add_trace(
go.Scatter(x=x_courbe, y=data['courbe_sains'], marker=dict(color='#636EFA'), marker_line=dict(width=2),
showlegend=False, name="sains", yaxis="y", ), 2, 1)
fig.add_trace(
go.Scatter(x=x_courbe, y=data['courbe_infectes'], marker=dict(color='#EF553B'), marker_line=dict(width=1),
showlegend=False, name="infectés", yaxis="y2", ), 2, 1)
fig.add_trace(
go.Scatter(x=x_courbe, y=data['courbe_immunises'], marker=dict(color='#00CC96'), marker_line=dict(width=1),
showlegend=False, name="immunisés", yaxis="y3", ), 2, 1)
fig.add_trace(
go.Scatter(x=x_courbe, y=data['courbe_deces'], marker=dict(color='#AB63FA'), marker_line=dict(width=1),
showlegend=False, name="décédés", yaxis="y4", ), 2, 1)
fig.add_trace(
go.Scatter(x=x_courbe, y=data['courbe_removed'], marker=dict(color='#000000'), marker_line=dict(width=1),
showlegend=False, name="removed", yaxis="y5", ), 2, 1)
fig.update_xaxes(title_text="jours", row=2, col=1)
fig.update_yaxes(title_text="nombre d'individus", row=2, col=1)
fig.add_annotation(text="Maximum d'infectés", x=data['courbe_infectes'].index(max(data['courbe_infectes'])),
# ajouter un texte avec une flèche
y=max(data['courbe_infectes']) + 0.03 * nb_individu, arrowhead=1, showarrow=True, row=2, col=1)
fig.update_traces(
hoverinfo="name+x+y",
line={"width": 1.3},
marker={"size": 2},
mode="lines+markers",
showlegend=False, row=2, col=1)
fig.update_layout(hovermode="x")
fig.update_layout(title_text="simulation virus")
fig.update_layout(title_font_color='#EF553B')
t = (time.time() - start)
min = int(round(t, 2) // 60)
sec = round(t - min * 60, 1)
print('Simulation terminée en ' + str(min) + ' minutes \net ' + str(sec) + ' secondes')
plot(fig)
if __name__ == "__main__":
vague_seuil_px_opti2()