On Thu, May 19, 2011 at 10:37 PM, Steve Ward <plane...@gmail.com> wrote:
> >From running the code below, I see only 8 subticks between the major
> ticks. But the documentation
> <
> http://matplotlib.sourceforge.net/api/axes_api.html#matplotlib.axes.Axes.set_xscale
> >
> says there should be 10. I'm using matplotlib version 0.99.3.
>
> #----------------------------
> import matplotlib.pyplot as plt
> import numpy as np
> y = range(1, 4)
> x = np.power(10, y)
> plt.gca().set_xscale('log', basex=10, subsx=[0, 1, 2, 3, 4, 5, 6, 7, 8, 9])
> plt.gca().plot(x, y)
> plt.show()
> #----------------------------
>
> However, even if 10 are being drawn, I think there would only be 9
> subticks between the major ticks because the first subtick is on a
> major tick. Am I wrong?
>
>
> Steve
>
>
You are mostly correct. The documentation, however, is very wrong. The
first visible subtick would be for 20. Therefore, there will only be 8
visible subticks. The suggestion of doing [0, 1, 2, 3, ...] for subsx has
two problems. First, the subtick at 0 will never show up! Second, the
subtick for 1 is also a major tick. While this isn't technically wrong,
(maybe the major ticks get turned off or something...), it is a poor example
and I will fix it.
Thank you for pointing it out.
Ben Root
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