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gipps
This commit is contained in:
parent
27527819fa
commit
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4
.gitignore
vendored
4
.gitignore
vendored
@ -1,3 +1,5 @@
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*.avi
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.vscode
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.DS_Store
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.DS_Store
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__pycache__
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gipps/result
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BIN
gipps/gipps.png
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BIN
gipps/gipps.png
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Binary file not shown.
After Width: | Height: | Size: 39 KiB |
116
gipps/gipps.py
116
gipps/gipps.py
@ -2,10 +2,11 @@ import numpy as np
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import matplotlib.pyplot as plt
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import time
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from colour import Color
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import imagesV1 as images
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# ===========
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t0 = 0
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tf = 30
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tf = 40
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dt = 1
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t = t0
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# ===========
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@ -25,6 +26,7 @@ An = 1.7 # accel max sampled from a nor
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Bn = -2 * An # frein max equated to - 2An
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Sn = 6.5 # taille de la voiture plus marge sampled from a normal distribution. N(6.5,0.3²) m
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Vd = 20.0 # vitesse désirée sampled from a normal distribution. N(20.0,3.2²) m/sec
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Vmin = 1
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# X*n # position fin de freinage (calculable)
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Tr = 2/3 + (2/3)/2 # temps de réaction + sûreté (= tau + θ = 2/3 + tau/2)
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# B supposé égal à Bn-1 (si pas égal alors amplifications ??)
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@ -40,83 +42,85 @@ def rainbow_gradient(num_colors):
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return colors
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colors = rainbow_gradient(nbv)
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def px(xx): # Avance au cours du temps
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xx += 1
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return xx
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def px(tt): # Avance au cours du temps
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tt += 1
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return tt
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def vitesseatt(t, yy): # Vitesse qu'il peut réellement atteindre d'un point de vue dynamique
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Vnt = yy[-1]
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value = Vnt + 2.5 * An * Tr * ( 1 - (Vnt/Vd) ) * np.sqrt( ( 0.025 + (Vnt/Vd) ))
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print('value: ', value)
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yy[0] = value
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newyy = yy
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print('newyy: ', newyy)
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return newyy
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def vitesseatt(vtold): # Vitesse qu'il peut réellement atteindre d'un point de vue dynamique
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value = vtold + 2.5 * An * Tr * ( 1 - (vtold/Vd) ) * np.sqrt( ( 0.025 + (vtold/Vd) ))
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return value
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def vitesseadop(t, yy): # Vitesse qu'il est possible d'adopter en connaissant les contraintes de sécurité liées à la présence du véhicule leader
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t = t + Tr
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pass
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def vitesseadop(vtold, xxpold): # Vitesse qu'il est possible d'adopter en connaissant les contraintes de sécurité liées à la présence du véhicule leader
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dst = np.diff(xxpold)
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value = Bn * Tr + np.sqrt( ((Bn)**2) * ((Tr)**2) - Bn * ( 2 * dst) - vtold[0] * Tr - ( (xxold[-1])**2 / Bn ) )
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newvalue = np.insert(value, 1, vtold[1])
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print('newvalue: ', newvalue)
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return newvalue
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def vitessereelle(t, yyold): # Vitesse du véhicule
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print(len(yy))
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t = t + Tr
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if (t>= 0) and (t<=10):
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yy[-1] = 0 # Arrêt du leader
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elif (t>= 15) and (t<=20):
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else:
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yy[-1] = Vd # Leader avance normalement
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# a = np.where(t <= 10, (Umax - Umin) / 10, - (Umax - Umin) / 10)
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# vt = np.where(t <= 10, Umin + a * t, Umax + 2 * a * (t - 10))
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def vitessereelle(t, vtold, xxpold): # Vitesse du véhicule
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t+=t
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if t==0:
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vtold[-1] = 0.1
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elif (t> 0) and (t<=10): # Accélération du leader
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a = (Vd - Vmin) / 10
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vtleader = Vmin + a * t
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vtold[-1] = vtleader
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elif (t>= 16) and (t<=20): # Leader freine
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a = - (Vd - Vmin) / 10
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vtleader = Vd + 2 * a * (t - 16)
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vtold[-1] = vtleader
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elif (t>= 20) and (t<=30): # Accélération du leader
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a = (Vd - Vmin) / 10
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vtleader = Vmin + a * (t-20)
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vtold[-1] = vtleader
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else: # Leader avance normalement
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vtold[-1] = Vd
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vatt = vitesseatt(vtold)
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vadop = vitesseadop(vtold, xxpold)
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minimum = np.minimum(vatt, vadop)
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print('minimum: ', minimum)
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return minimum
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def position(fposition, newv):
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newp = fposition + newv * dt
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return newp
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vatt = vitesseatt(t, yyold)
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vadop = vitesseadop(t, yyold)
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# return min(vatt, vadop)
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return vatt
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xxbase = np.linspace(-nbv, -1, nbv)
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yybase = np.linspace(0, 0, nbv)
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xxbase = np.linspace(-nbv, 1, nbv)
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xxpbase = np.linspace(0, 1, nbv)
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yybase = np.linspace(0, 1, nbv)
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xxold = xxbase.copy()
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yyold = yybase.copy()
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xxpold = xxpbase.copy()
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vtold = yybase.copy()
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while(t<tf):
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plt.figure(1,figsize=[16,9])
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plt.clf()
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plt.xlim([-1,31])
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plt.xlim([-1,41])
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plt.ylim([-0.5, Vd+1])
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xx = px(xxold)
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print('xx: ', len(xx))
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yy = vitessereelle(t, yyold)
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print('yyold: ', len(yyold))
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print('yy: ', len(yy))
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vt = vitessereelle(t, vtold, xxpold)
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plt.scatter(xx, yy, c=colors)
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xxp = position(xxpold, vt)
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plt.scatter(xx, vt, c=colors)
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plt.plot([0,30],[Vd, Vd], color='k', linestyle='-', linewidth=1)
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plt.plot([0,40],[Vd, Vd], color='k', linestyle='-', linewidth=1)
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plt.xlabel('temps en s')
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plt.ylabel('vitesse en m.s-¹')
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plt.title('Vitesse maximale désirée\nvitesse du leader : ' + str(Vd) + 'm.s-¹\ndistance minimale entre deux voitures : ' + str('') + 'm\n\nTemps : ' + str(t))
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plt.title('Vitesse maximale désirée\nvitesse du leader : ' + str(Vd) + 'm.s-¹\ndistance entre deux voitures : ' + str(np.diff(xxpold)) + 'm\n\nTemps : ' + str(t))
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plt.draw()
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# plt.savefig(str(t)+'.png')
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plt.pause(1)
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t += dt
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plt.savefig('gipps/result/' + str(t)+'.png', transparent=True)
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plt.pause(0.1)
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t += dt/4
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xxold = xx.copy()
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yyold = yy.copy()
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xxpold = xxp.copy()
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vtold = vt.copy()
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images.merge()
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130
gipps/gippsV2.py
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130
gipps/gippsV2.py
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@ -0,0 +1,130 @@
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import numpy as np
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import matplotlib.pyplot as plt
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import time
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from colour import Color
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import imagesV2 as images
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fps = 4
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# ===========
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t0 = 0
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tf = 40
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dt = 1
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t = t0
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# ===========
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nbv = 2
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"""# =========== VARIABBLES
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Xn(t) # position au temps t
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Vn(t) # vitesse au temps t
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An(t+Tr) # accel au temps t + Tr
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ln # ?
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k # ?
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m # ?
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"""
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# =========== CONSTANTES
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An = 1.7 # accel max sampled from a normal distribution. N(1.7,0.3²) m/s²
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Bn = -2 * An # frein max equated to - 2An
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Sn = 6.5 # taille de la voiture plus marge sampled from a normal distribution. N(6.5,0.3²) m
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Vd = 20.0 # vitesse désirée sampled from a normal distribution. N(20.0,3.2²) m/sec
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Vmin = 1
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# X*n # position fin de freinage (calculable)
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Tr = 2/3 + (2/3)/2 # temps de réaction + sûreté (= tau + θ = 2/3 + tau/2)
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# B supposé égal à Bn-1 (si pas égal alors amplifications ??)
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def rainbow_gradient(num_colors):
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colors = []
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base_color = Color("violet")
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gradient = list(base_color.range_to(Color("red"), num_colors))
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for color in gradient:
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hex_code = color.hex_l
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colors.append(hex_code)
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return colors
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colors = rainbow_gradient(nbv)
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def px(tt): # Avance au cours du temps
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tt += 1/fps
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return tt
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def vitesseatt(vtold): # Vitesse qu'il peut réellement atteindre d'un point de vue dynamique
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value = vtold + 2.5 * An * Tr * ( 1 - (vtold/Vd) ) * np.sqrt( ( 0.025 + (vtold/Vd) ))
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return value
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def vitesseadop(vtold, xxpold): # Vitesse qu'il est possible d'adopter en connaissant les contraintes de sécurité liées à la présence du véhicule leader
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dst = np.diff(xxpold)
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value = Bn * Tr + np.sqrt( ((Bn)**2) * ((Tr)**2) - Bn * ( 2 * dst) - vtold[0] * Tr - ( (xxold[-1])**2 / Bn ) )
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newvalue = np.insert(value, 1, vtold[1])
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print('newvalue: ', newvalue)
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return newvalue
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def vitessereelle(t, vtold, xxpold): # Vitesse du véhicule
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if t==0:
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vtold[-1] = 0.1
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elif (t> 0) and (t<=10): # Accélération du leader
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a = (10 - Vmin) / 10
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vtleader = Vmin + a * t
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vtold[-1] = vtleader
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elif (t>= 16) and (t<=20): # Leader freine
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a = - (10 - Vmin) / 10
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vtleader = 10 + 2 * a * (t - 16)
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vtold[-1] = vtleader
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elif (t> 20) and (t<=29): # Accélération du leader
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a = (Vd - Vmin) / 10
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vtleader = Vmin + a * (t-19)
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vtold[-1] = vtleader
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elif (t> 29) and (t<=40): # Accélération du leader
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vtold[-1] = 20
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else: # Leader avance normalement
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vtold[-1] = 10
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vatt = vitesseatt(vtold)
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vadop = vitesseadop(vtold, xxpold)
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minimum = np.minimum(vatt, vadop)
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print('minimum: ', minimum)
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return minimum
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def position(fposition, newv):
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newp = fposition + newv * dt
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return newp
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xxbase = np.linspace(-nbv, 1, nbv)
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xxpbase = np.linspace(0, 1, nbv)
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yybase = np.linspace(0, 1, nbv)
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xxold = xxbase.copy()
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xxpold = xxpbase.copy()
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vtold = yybase.copy()
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while(t<tf):
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plt.figure(1,figsize=[16,9])
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plt.clf()
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plt.xlim([-1,41])
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plt.ylim([-0.5, Vd+1])
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xx = px(xxold)
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vt = vitessereelle(t, vtold, xxpold)
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xxp = position(xxpold, vt)
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plt.scatter(xx, vt, c=colors)
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plt.plot([0,40],[Vd, Vd], color='k', linestyle='-', linewidth=1)
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plt.xlabel('temps en s')
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plt.ylabel('vitesse en m.s-¹')
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plt.title('Vitesse maximale désirée\nvitesse du leader : ' + str(Vd) + 'm.s-¹\ndistance entre deux voitures : ' + str(np.diff(xxpold)) + 'm\n\nTemps : ' + str(t))
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plt.draw()
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plt.savefig('gipps/result/' + str(int(t * fps))+'.png', transparent=True)
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# plt.pause(0.1)
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t += dt/fps
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xxold = xx.copy()
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xxpold = xxp.copy()
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vtold = vt.copy()
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images.merge(fps)
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BIN
gipps/graph.png
BIN
gipps/graph.png
Binary file not shown.
Before Width: | Height: | Size: 49 KiB After Width: | Height: | Size: 57 KiB |
@ -11,12 +11,12 @@ Tr = 2/3 + (2/3)/2 # temps de réaction + sûreté (= tau + θ =
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# B supposé égal à Bn-1 (si pas égal alors amplifications ??)
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vv = np.linspace(0, 100, 200)
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vv = np.linspace(0, 36, 200)
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def vitesseatt(vv): # Vitesse qu'il peut réellement atteindre d'un point de vue dynamique
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value = vv + 2.5 * An * Tr * ( 1 - (vv/Vd) ) * np.sqrt( ( 0.025 + (vv/Vd) ))
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return value
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def vitesseadop(vv): # Vitesse qu'il est possible d'adopter en connaissant les contraintes de sécurité liées à la présence du véhicule leader
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value = 1
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@ -27,17 +27,26 @@ def vitessereelle(vv): # Vitesse maximale désirée
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vadop = vitesseadop(vv)
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return min(vatt, vadop)
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def plotter(nb):
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plt.plot([0,nb],[vitesseatt(nb), vitesseatt(nb)], color='k', linestyle='-', linewidth=1)
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plt.plot([nb, nb],[0, vitesseatt(nb)], color='k', linestyle='-', linewidth=1)
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plt.scatter(nb, vitesseatt(nb))
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plt.figure(figsize=[16,9])
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plt.xlim([0, 37])
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plt.ylim([0, 35])
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plt.plot(vv, vitesseatt(vv), '-', color='red', label='No mask')
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plt.plot(vv, vitesseatt(vv), '-', color='red', label="Vitesse qu'il peut réellement atteindre d'un point de vue dynamique")
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# plt.plot(vv, vitesseadop(vv), '-', color='green', label='No mask')
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plotter(10)
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plotter(20)
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plotter(30)
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plt.legend()
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plt.title('Variation de la vitesse de la voiture suivant en fonction de la voiture leader')
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plt.title('Variation de la vitesse de la voiture suivant en fonction de la voiture leader (première partie du modèle de Gipps)')
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plt.xlabel('vitesse de la voiture leader en m.s-¹')
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plt.ylabel('vitesse de la voiture qui suit en m.s-¹')
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plt.savefig('gipps/graph.png')
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plt.draw()
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plt.draw()
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plt.pause(4)
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42
gipps/imagesV1.py
Normal file
42
gipps/imagesV1.py
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from PIL import Image
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import os
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import shutil
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try:os.remove('gipps/merged.png')
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except:pass
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def merge_images(overlay_folder, output_path):
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overlay_path = f"{overlay_folder}/1.png"
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overlay = Image.open(overlay_path)
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result_width, result_height = overlay.size
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result = Image.new('RGB', (result_width, result_height), color=(255, 255, 255))
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x, y = 0, 0
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for i in range(1,40):
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overlay_path = f"{overlay_folder}/{i}.png"
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overlay = Image.open(overlay_path)
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result.paste(overlay, (x, y), overlay)
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result.save(output_path)
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def detrf(folder_path):
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try:
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if os.path.exists(folder_path):
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shutil.rmtree(folder_path)
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print(f"Folder '{folder_path}' successfully deleted.")
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else:
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print(f"Folder '{folder_path}' does not exist.")
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try:
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os.makedirs(folder_path)
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print(f"Folder '{folder_path}' successfully created.")
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except OSError as e:
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print(f"Error creating folder: {e}")
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except OSError as e:
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print(f"Error deleting folder: {e}")
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def merge(fps):
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overlay_folder = "gipps/result"
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output_path = "gipps/merged.png"
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merge_images(overlay_folder, output_path)
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detrf('gipps/result')
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print('merge done')
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42
gipps/imagesV2.py
Normal file
42
gipps/imagesV2.py
Normal file
@ -0,0 +1,42 @@
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from PIL import Image
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import os
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import shutil
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try:os.remove('gipps/merged.png')
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except:pass
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def merge_images(overlay_folder, output_path, fps):
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overlay_path = f"{overlay_folder}/1.png"
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overlay = Image.open(overlay_path)
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result_width, result_height = overlay.size
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result = Image.new('RGB', (result_width, result_height), color=(255, 255, 255))
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x, y = 0, 0
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for i in range(1,40*fps):
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overlay_path = f"{overlay_folder}/{i}.png"
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overlay = Image.open(overlay_path)
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result.paste(overlay, (x, y), overlay)
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result.save(output_path)
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def detrf(folder_path):
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try:
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if os.path.exists(folder_path):
|
||||
shutil.rmtree(folder_path)
|
||||
print(f"Folder '{folder_path}' successfully deleted.")
|
||||
else:
|
||||
print(f"Folder '{folder_path}' does not exist.")
|
||||
|
||||
try:
|
||||
os.makedirs(folder_path)
|
||||
print(f"Folder '{folder_path}' successfully created.")
|
||||
except OSError as e:
|
||||
print(f"Error creating folder: {e}")
|
||||
|
||||
except OSError as e:
|
||||
print(f"Error deleting folder: {e}")
|
||||
|
||||
def merge(fps):
|
||||
overlay_folder = "gipps/result"
|
||||
output_path = "gipps/merged.png"
|
||||
merge_images(overlay_folder, output_path, fps)
|
||||
detrf('gipps/result')
|
||||
print('merge done')
|
BIN
gipps/merged.png
Normal file
BIN
gipps/merged.png
Normal file
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@ -53,7 +53,6 @@ while(t<tf):
|
||||
xx = position(xxold, vt)
|
||||
# color = ['#ff0000', '#ff5300', '#ffa500', '#ffd200', '#ffff00', '#80c000', '#008000', '#004080', '#0000ff', '#2600c1', '#4b0082']
|
||||
plt.scatter(xx, vt)
|
||||
print(xx)
|
||||
plt.scatter(xx, y, c=colors)
|
||||
plt.plot([0,20],[1.25, 1.25], color='k', linestyle='-', linewidth=1)
|
||||
plt.xlabel('distance w en m')
|
||||
|
@ -1,5 +1,6 @@
|
||||
import numpy as np
|
||||
import matplotlib.pyplot as plt
|
||||
import matplotlib.ticker as ticker
|
||||
|
||||
vt = 1.25 # 4,5 km/h
|
||||
Umin = 1 # vitesse m/s
|
||||
@ -10,20 +11,54 @@ t = np.linspace(0, 15, 400)
|
||||
def vitesse(t):
|
||||
a = np.where(t <= 10, (Umax - Umin) / 10, - (Umax - Umin) / 10)
|
||||
vt = np.where(t <= 10, Umin + a * t, Umax + 2 * a * (t - 10))
|
||||
print('vt: ', vt)
|
||||
return vt
|
||||
|
||||
|
||||
def security(t):
|
||||
vt = vitesse(t)
|
||||
# ici la vitesse est encore en m/s
|
||||
miles_per_meter = 0.000621371
|
||||
seconds_per_hour = 3600
|
||||
vt = vt * miles_per_meter * seconds_per_hour
|
||||
dist = Wm * (1 + (vt/(16.1/3.6)))
|
||||
# print(dist)
|
||||
return dist
|
||||
|
||||
plt.figure(figsize=[16, 9])
|
||||
plt.xlim([-1,16])
|
||||
plt.xlabel('temps (s)')
|
||||
plt.ylabel('distance de sécurité (m)')
|
||||
plt.plot(t, security(t))
|
||||
# plt.figure(figsize=[16, 9])
|
||||
# plt.xlim([-1,16])
|
||||
# plt.xlabel('temps (s)')
|
||||
# plt.ylabel('Distance de sécurité en m et Vitesse en m/s')
|
||||
# plt.plot(t, security(t), label='Distance de sécurité')
|
||||
# plt.plot(t, vitesse(t), label='Vitesse de la voiture leader')
|
||||
# plt.legend()
|
||||
# plt.savefig('pipes/dist sécurités.png')
|
||||
# plt.draw()
|
||||
# plt.pause(5)
|
||||
|
||||
|
||||
fig, ax1 = plt.subplots(figsize=[16, 9])
|
||||
ax1.set_xlim([-1, 16])
|
||||
ax1.set_xlabel('temps (s)')
|
||||
ax1.set_ylabel('Distance de sécurité en m', color='b')
|
||||
ax1.plot(t, security(t), label='Distance de sécurité', color='b')
|
||||
ax1.tick_params(axis='y', labelcolor='b')
|
||||
|
||||
ax2 = ax1.twinx()
|
||||
ax2.set_ylabel('Vitesse de la voiture leader en m/s', color='r')
|
||||
vitesse_data = vitesse(t)
|
||||
ax2.plot(t, vitesse_data, label='Vitesse de la voiture leader', color='r')
|
||||
ax2.tick_params(axis='y', labelcolor='r')
|
||||
|
||||
|
||||
ax1.set_ylim(-1, 100)
|
||||
ax2.set_ylim(-1, 100)
|
||||
|
||||
ax1.yaxis.set_major_locator(ticker.LinearLocator(numticks=10))
|
||||
ax2.yaxis.set_major_locator(ticker.LinearLocator(numticks=10))
|
||||
|
||||
plt.title(label='Variation de la distance de sécurité en fonction de la vitesse du leader selon le modèle de Pipes')
|
||||
fig.legend(loc='upper right')
|
||||
plt.savefig('pipes/dist sécurités.png')
|
||||
plt.draw()
|
||||
plt.pause(5)
|
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Reference in New Issue
Block a user