matplotlib pie chart replacing last pie subplot title with actual title of the main plot

Question

I have been running into an issue where matplotlib pie is replacing my last value of subplot text with actual plot title. Could anyone tell me why i am facing the issue and how to overcome it?

keep_list_tt = [6.012, 2.734, 2.76, 4.585, 4.19]
eppm_plot    = [0, 771, 830, 919, 1097]
all_test_tt = [31.344, 31.344, 31.344, 31.344, 31.344]
always_failing_list_tt = [0.112, 0.112, 0.112, 0.112, 0.112]
always_failing_list_tt = [23.203, 23.203, 23.203, 23.203, 23.203]

import matplotlib.pyplot as plt

fig, axs = plt.subplots(1,len(keep_list_tt), figsize=(30,8))
labels = ["always_failing_list_tt", "always_passing_list_tt", "keep_list_tt","remove_list_tt"]
explode = (0.2, 0,0.1,0.1)
for i in range(len(keep_list_tt)):
    eppm_pie_plot = [always_failing_list_tt[i],always_passing_list_tt[i],keep_list_tt[i],round(np.subtract(all_test_tt[i],np.add(keep_list_tt[i],np.add(always_failing_list_tt[i],always_passing_list_tt[i]))),3)] 
    pie = axs[i].pie(eppm_pie_plot, explode=explode,autopct="")
    axs[i].set_title("EPPM is - {}".format(eppm_plot[i]))
    for j, a in enumerate(pie[2]):
        a.set_text("{}".format(eppm_pie_plot[j]))
    

plt.legend(labels,bbox_to_anchor=(1.1,0.5) )
plt.axis('equal')
plt.title ("Temp")
plt.show()

score 1 · Accepted Answer · answered Sep 23 '21 at 04:16

The issue seems to be caused by the fact that plt.axis('equal') is applied only to the last graph outside the loop process. Please move that code inside the loop. And while you're at it, optimize the way the graph is looped.

import matplotlib.pyplot as plt

fig, axs = plt.subplots(1,len(keep_list_tt), figsize=(30,8))
labels = ["always_failing_list_tt", "always_passing_list_tt", "keep_list_tt","remove_list_tt"]
explode = (0.2, 0,0.1,0.1)

for i, ax in enumerate(fig.axes):
    eppm_pie_plot = [always_failing_list_tt[i],always_passing_list_tt[i],keep_list_tt[i],round(np.subtract(all_test_tt[i],np.add(keep_list_tt[i],np.add(always_failing_list_tt[i],always_passing_list_tt[i]))),3)] 
    pie = ax.pie(eppm_pie_plot, explode=explode, autopct="")
    ax.set_title("EPPM is - {}".format(eppm_plot[i]))
    ax.axis('equal')
    for j, a in enumerate(pie[2]):
        a.set_text("{}".format(eppm_pie_plot[j]))
    plt.legend(labels, bbox_to_anchor=(1.1,0.5))

#plt.axis('equal')
fig.suptitle("Temp")

plt.show()

thanks, i accepted the answer as it solved my particular problem of the axis=equal that should be outside the loop — Nandeep Devendra, Sep 28 '21 at 23:27

matplotlib pie chart replacing last pie subplot title with actual title of the main plot

1 Answers1