howto get minor ticks?

In the following code snippet (not a complete example), I get the
dashed lines for the minor ticks on the y (log) axis, but on the x axis, I only
got the major ticks lines. How do I get minor lines to show up?

(Previously, I tried without the MultipleLocator and set_minor_locator, but
still got only major x axis lines plotted)

import matplotlib.pyplot as plt
fig = plt.figure()
ax = fig.add_subplot(111)

ax.semilogy (h1.buckets(), h1.cumulative())
ax.semilogy (h2.buckets(), h2.inv_cumulative())
from matplotlib.ticker import MultipleLocator
minorLocator = MultipleLocator(5)
ax.xaxis.set_minor_locator(minorLocator)
plt.grid(b=True, which='major', linestyle='solid')
plt.grid(b=True, which='minor', linestyle='dashed')
plt.show()

Neal,

I can't run your script as is, but something as simple as this show work:

import matplotlib.pyplot as plt
fig = plt.figure()
ax = fig.add_subplot(111)
ax.set_xscale('log')

ax.xaxis.grid(True, which='major')
ax.xaxis.grid(True, which='minor')

plt.show()

ยทยทยท

On Tue, May 15, 2012 at 10:18 AM, Neal Becker <ndbecker2@...287...> wrote:

In the following code snippet (not a complete example), I get the
dashed lines for the minor ticks on the y (log) axis, but on the x axis, I only
got the major ticks lines. How do I get minor lines to show up?

(Previously, I tried without the MultipleLocator and set_minor_locator, but
still got only major x axis lines plotted)

import matplotlib.pyplot as plt
fig = plt.figure()
ax = fig.add_subplot(111)

ax.semilogy (h1.buckets(), h1.cumulative())
ax.semilogy (h2.buckets(), h2.inv_cumulative())
from matplotlib.ticker import MultipleLocator
minorLocator = MultipleLocator(5)
ax.xaxis.set_minor_locator(minorLocator)
plt.grid(b=True, which='major', linestyle='solid')
plt.grid(b=True, which='minor', linestyle='dashed')
plt.show()

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