Python - Removing vertical bar lines from histogram

Question

I'm wanting to remove the vertical bar outlines from my histogram plot, but preserving the "etching" of the histogram, if that makes since.

import matplotlib.pyplot as plt
import numpy as np  

bins = 35

fig = plt.figure(figsize=(7,6))
ax = fig.add_subplot(111)

ax.hist(subVel_Hydro1, bins=bins, facecolor='none', 
        edgecolor='black', label = 'Pecuiliar Vel')
ax.set_xlabel('$v_{_{B|A}} $ [$km\ s^{-1}$]', fontsize = 16)
ax.set_ylabel(r'$P\ (r_{_{B|A}} )$', fontsize = 16)
ax.legend(frameon=False)

Giving

Is this doable in matplotlibs histogram functionality? I hope I provided enough clarity.

Title says horizontal, body says vertical. You might want to correct one of them. — Lafexlos, Sep 07 '16 at 14:24
are you set on having the same color for both the histogram and the background? creating the 'silhouette' effect would be easy if you can fill the bars the same color as the lines. — benten, Sep 07 '16 at 14:28

score 7 · Accepted Answer · answered Sep 07 '16 at 14:32

In pyplot.hist() you could set the value of histtype = 'step'. Example code:

import matplotlib as mpl
import matplotlib.pyplot as plt
import numpy as np

x = np.random.normal(0,1,size=1000)

fig = plt.figure()
ax = fig.add_subplot(111)

ax.hist(x, bins=50, histtype = 'step', fill = None)



plt.show()

Sample output:

Python - Removing vertical bar lines from histogram

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