Re: [Matplotlib-users] Log axes and setting ticks: not working

[Darren D. <dd...@co...>]

On Monday 03 April 2006 10:57 pm, Josh Marshall wrote:
> When I run the following script:
>
> import numpy as N
> from pylab import *
> t = N.arange[0,8*N.pi, 0.1]
> y = N.sin(t)
>
> figure()
> plot(t,y)
> xticks(N.arange(0,8*N.pi, N.pi))
>
> figure()
> semilogx(t,y)
> xticks(N.arange(0,8*N.pi, N.pi))
>
> The first plot will work fine, and set the x-ticks to be multiples of
> pi, as desired.
>
> However, the second plot does not work. I have verified this is the
> case whenever log axes are used: you can't then set the x-ticks or
> labels.
>
> Is this a bug or a design feature? 

It is neither. log(0) is not plottable, you need to pick more appropriate 
xticks.