Here it is. -JJ
On Sun, Sep 27, 2009 at 3:09 PM, Gökhan Sever <gokhanse...@gmail.com> wrote:
> JJ,
>
> Could you please re-attach the code? Apparently, it has been forgotten on
> your reply.
>
> Thanks.
>
> On Sun, Sep 27, 2009 at 1:50 PM, Jae-Joon Lee <lee.j.j...@gmail.com> wrote:
>>
>> Here is the modified version of your code that works for me.
>>
>> 1) If you change trans_aux, you also need to plot your data in an
>> appropriate coordinate. Your original code did not work because you
>> scaled the xaxis of the second axes (par) but you were still plotting
>> the original data, i.e., "time" need to be scaled if you want to plot
>> it on "par". The code below takes slightly different approach.
>>
>> 2) I fount that I was wrong with the factor of 3600. It needs to be
>> 86400, i.e., a day in seconds. Also, The unit must be larger than 1.
>> Again, please take a look how datetime unit works.
>>
>> Regards,
>>
>> -JJ
>>
>>
>> import numpy as np
>> import matplotlib.pyplot as plt
>> import matplotlib.transforms as mtransforms
>> from mpl_toolkits.axes_grid.parasite_axes import SubplotHost
>>
>>
>> # Prepare some random data and time for seconds-from-midnight (sfm)
>> representation
>> ydata1 = np.random.random(100) * 1000
>> ydata2 = np.ones(100) / 2.
>> time = np.arange(3550, 3650)
>>
>>
>> fig = plt.figure()
>> host = SubplotHost(fig, 111)
>> fig.add_subplot(host)
>>
>> # This is the heart of the example. We have to scale the axes correctly.
>> aux_trans = mtransforms.Affine2D().translate(0., 0.).scale(3600,
>> ydata1.max())
>> par = host.twin(aux_trans)
>>
>> host.set_xlabel("Time [sfm]")
>> host.set_ylabel("Random Data 1")
>> par.set_ylabel("Random Data 2")
>> par.axis["right"].label.set_visible(True)
>>
>> p1, = host.plot(time, ydata1)
>> p2, = par.plot(time, ydata2)
>>
>> host.axis["left"].label.set_color(p1.get_color())
>> par.axis["right"].label.set_color(p2.get_color())
>>
>> host.axis["bottom"].label.set_size(16)
>> host.axis["left"].label.set_size(16)
>> par.axis["right"].label.set_size(16)
>>
>> # Move the title little upwards so it won't overlap with the ticklabels
>> title = plt.title("Double time: SFM and HH:MM:SS", fontsize=18)
>> title.set_position((0.5, 1.05))
>>
>> plt.show()
>>
>>
>> On Sun, Sep 27, 2009 at 12:32 PM, Gökhan Sever <gokhanse...@gmail.com>
>> wrote:
>> > Hello,
>> >
>> > As was suggested by Jae-Joon, I have simplified the code for easier
>> > investigation and run. The aim of the script is to have time represented
>> > on
>> > both bottom and top x-axes, on the bottom in seconds-from-midnight
>> > (SFM),
>> > and the top should show as HH:MM:SS, while there is two different data
>> > source being used for y-axes. The code could be seen here or from
>> > http://code.google.com/p/ccnworks/source/browse/trunk/double_time.py
>> >
>> > Currently something wrong with the scaling, since the right y-axis data
>> > is
>> > missing on the plotting area. Also, sfm hasn't been converted to
>> > HH:MM:SS.
>> > adding this: par.xaxis.set_major_formatter(DateFormatter('%H:%M:%S'))
>> > doesn't remedy the situation as of yet.
>> >
>> > All comments are welcome.
>> >
>> > ### BEGIN CODE ###
>> > #!/usr/bin/env python
>> >
>> > """
>> >
>> > Double time representation. Bottom x-axis shows time in
>> > seconds-from-midnight
>> > (sfm) fashion, whereas the top x-axis uses HH:MM:SS representation.
>> >
>> > Initially written by Gokhan Sever with helps from Jae-Joon Lee.
>> >
>> > Written: 2009-09-27
>> >
>> > """
>> >
>> > import numpy as np
>> > import matplotlib.pyplot as plt
>> > import matplotlib.transforms as mtransforms
>> > from mpl_toolkits.axes_grid.parasite_axes import SubplotHost
>> >
>> >
>> > # Prepare some random data and time for seconds-from-midnight (sfm)
>> > representation
>> > ydata1 = np.random.random(100) * 1000
>> > ydata2 = np.ones(100) / 2.
>> > time = np.arange(3550, 3650)
>> >
>> >
>> > fig = plt.figure()
>> > host = SubplotHost(fig, 111)
>> > fig.add_subplot(host)
>> >
>> > # This is the heart of the example. We have to scale the axes correctly.
>> > aux_trans = mtransforms.Affine2D().translate(0., 0.).scale(3600,
>> > ydata1.max())
>> > par = host.twin(aux_trans)
>> >
>> > host.set_xlabel("Time [sfm]")
>> > host.set_ylabel("Random Data 1")
>> > par.set_ylabel("Random Data 2")
>> > par.axis["right"].label.set_visible(True)
>> >
>> > p1, = host.plot(time, ydata1)
>> > p2, = par.plot(time, ydata2)
>> >
>> > host.axis["left"].label.set_color(p1.get_color())
>> > par.axis["right"].label.set_color(p2.get_color())
>> >
>> > host.axis["bottom"].label.set_size(16)
>> > host.axis["left"].label.set_size(16)
>> > par.axis["right"].label.set_size(16)
>> >
>> > # Move the title little upwards so it won't overlap with the ticklabels
>> > title = plt.title("Double time: SFM and HH:MM:SS", fontsize=18)
>> > title.set_position((0.5, 1.05))
>> >
>> > plt.show()
>> > ### END CODE ###
>> >
>> >
>> > --
>> > Gökhan
>> >
>> >
>> > ------------------------------------------------------------------------------
>> > Come build with us! The BlackBerry® Developer Conference in SF, CA
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>> > now!
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>> >
>> >
>
>
>
> --
> Gökhan
>
asdsd.py
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