Hi
Thank you.
I installed the latest from svn and it now works.
Regards
Pål
On 2 November 2010 15:21, Benjamin Root <ben.r...@ou.edu> wrote:
> On Tue, Nov 2, 2010 at 8:20 AM, Pål Gunnar Ellingsen <paa...@gmail.com>wrote:
>
>> Hi
>>
>> I'm trying to use the linthershy option for symlog in
>> matplotlib.axes.Axes.set_yscale()
>> <http://matplotlib.sourceforge.net/api/axes_api.html#matplotlib.axes.Axes.set_yscale>for
>> values smaller than 1, but the plot then shows large values (vertical lines)
>> for the points which should have been in the linear range. My code is:
>>
>> import matplotlib.pyplot as plt
>> import numpy as np
>>
>>
>> f1 = np.loadtxt('someDataFile.txt') # file has all y values smaller than 1
>>
>> fig1 = plt.figure(1)
>> ax1 = fig1.add_subplot(111)
>>
>> ax1.plot(f1[:, 0], f1[:, 1])
>>
>> ax1.set_yscale('symlog', linthreshy = 1e-3)
>> ax1.set_ylim(1e-4, 1)
>> ax1.autoscale(enable = True, axis = 'x', tight = True)
>>
>> plt.draw()
>> plt.show()
>> ---------------
>> Another and testable code is
>>
>> import matplotlib
>> matplotlib.use('Qt4Agg')
>> import matplotlib.pyplot as plt
>> import numpy as np
>>
>> fig1 = plt.figure(1)
>> A = 10 + 9.999999999 * np.sin(2 * np.pi * np.arange(0.01, 1, 0.01))
>>
>> ax1 = fig1.add_subplot(111)
>> ax1.plot(A)
>>
>> ax1.set_yscale('symlog', linthreshy = 1e-6)
>> ax1.set_ylim(0, 20) # change this to ax1.set_ylim(0, 0.7) for strange
>> lines
>>
>>
>> fig2 = plt.figure(2)
>> ax2 = fig2.add_subplot(111)
>> ax2.plot(A)
>> ax2.set_yscale('log')
>> ax2.set_ylim(0, 20)
>> ax2.autoscale(enable = True, axis = 'both', tight = True)
>>
>> plt.draw()
>> plt.show()
>>
>> Which does not show correct labels and the linear part is gone (only a
>> straight line).
>> Does anyone have a solution for these problems?
>>
>> Regards
>>
>> Pål
>>
>>
> This was a bug found fairly recently. In the case where the linthresh was
> less than 1.0:
>
>
> http://sourceforge.net/tracker/index.php?func=detail&aid=3081451&group_id=80706&atid=560720
>
> I don't know if the patch was backported to the maintenance branch, but I
> am fairly sure it would have been.
>
> I hope this was helpful,
> Ben Root
>
>
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