Re: [Matplotlib-users] MultipleLocator and MaxNLocator

[Tommy C. <tom...@gm...>]

Thanks again Ryan. That's exactly what I want to achieve; i.e. remove
the tick at 0 and only keep 5 and 10. Your solution works, but it's a
bit of hack to use magic constants. I could however get those values
from the xlim.

Eric, I would describe the desired tick placement algorithm as
removing the first tick on the axis. It can be achieved like this:
ax1.xaxis.set_major_locator(MaxNLocator(prune='lower'))

But that then overrides this:
ax1.xaxis.set_major_locator(MultipleLocator(5))

On Sat, Feb 14, 2015 at 5:27 PM, Ryan Nelson <rne...@gm...> wrote:
> Tommy, (Sorry for the doubleup. I just realized I forgot to hit reply-all.)
>
> Do you want to remove the tick at 0 and only have 5,10, etc.? Could you just
> do something like this instead:
>
> import matplotlib.pyplot as plt
> from matplotlib.ticker import MultipleLocator
> fig = plt.figure()
> ax1 = fig.add_subplot(111)
> ax1.set_xticks(range(5,11,5))
> ax1.plot(range(11))
> plt.show()
>
> Ryan
>
>
> On Sat, Feb 14, 2015 at 10:47 AM, Tommy Carstensen
> <tom...@gm...> wrote:
>>
>> Thanks for you answer Eric. I had to get some sleep before trying out
>> things. I currently have the code below, but it does not remove the
>> zero value tick. It removes the tick at 5 and 10 however.
>>
>> import matplotlib.pyplot as plt
>> from matplotlib.ticker import MultipleLocator
>> fig = plt.figure()
>> ax1 = fig.add_subplot(111)
>> ax1.xaxis.set_major_locator(MultipleLocator(5))
>> xticks = ax1.xaxis.get_major_ticks()
>> #xticks[0].label1.set_visible(False)
>> #xticks[-1].label1.set_visible(False)
>> ax1.set_xticks(ax1.get_xticks()[1:-1])
>> ax1.plot(list(range(11)))
>> plt.show()
>>
>> On Sat, Feb 14, 2015 at 2:01 AM, Eric Firing <ef...@ha...> wrote:
>> > On 2015/02/13 3:29 PM, Tommy Carstensen wrote:
>> >> Is it possible to combine MultipleLocator and MaxNLocator? One seems
>> >> to erase the effect of the other.
>> >
>> > They are for different situations.  MultipleLocator is for when you know
>> > what you want your tick interval to be; MaxNLocator is for when you
>> > don't know that, but you do know roughly how many ticks you want, and
>> > what sort of numerical intervals are acceptable.
>> >
>> > Eric
>> >
>> >
>> >
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