matplotlib-users Mailing List for matplotlib

I'm a dork.

help xticks told me the solution (imagine that) - RTFdocstring.

make sure to include xticks([1.75,2.0],['1.75','2.0'])

On 4/28/06, Ryan Krauss <rya...@gm...> wrote:
> I have a semilogx plot that I have zoomed into, so that there are no
> xticks visible.  I can't seem to set the xticks to something that
> isn't an integer power of 10.  I would actually prefer to set it to a
> number that isn't displayed as 10^xxx, but I don't know how.
>
> For example:
>
> y=3Dsin(2*pi*f)
> semilogx(f,y)
> xlim([1.5,2.5])
> xticks([1.75,2.0])
> show()
>
> has no xticks.
>
> How do I fix this?
>
> Thanks,
>
> Ryan
>

I have a semilogx plot that I have zoomed into, so that there are no
xticks visible.  I can't seem to set the xticks to something that
isn't an integer power of 10.  I would actually prefer to set it to a
number that isn't displayed as 10^xxx, but I don't know how.

For example:

y=3Dsin(2*pi*f)
semilogx(f,y)
xlim([1.5,2.5])
xticks([1.75,2.0])
show()

has no xticks.

How do I fix this?

Thanks,

Ryan

John Hunter wrote:
> There may be an intelligent way to set the default dir globally for file
> dialogs in wx, but I don't know what it is.  So I'll suggest a workaround.

I don't think there isn't. However, it probably starts out in the 
current working directory, which you can change with:

import os
os.chdir("ThePathYouWant")

John's solution is better if this is more than a quickie app, however.

-Chris



-- 
Christopher Barker, Ph.D.
Oceanographer
                                     		
NOAA/OR&R/HAZMAT         (206) 526-6959   voice
7600 Sand Point Way NE   (206) 526-6329   fax
Seattle, WA  98115       (206) 526-6317   main reception

Chr...@no...

>>>>> "Zunbeltz" == Zunbeltz Izaola <zun...@wm...> writes:

    Zunbeltz> Hi, I am embeding a matplotlib FigureCanvasWxAgg in a
    Zunbeltz> wxPython program.

    Zunbeltz> When i press the save botton the directory is that of
    Zunbeltz> the executable of the program. I want to change this to
    Zunbeltz> a certain directory. How can i do that?


There may be an intelligent way to set the default dir globally for file
dialogs in wx, but I don't know what it is.  So I'll suggest a workaround.

You can create a custom toolbar and override save

from matplotlib.backends.backend_wx import NavigationToolbar2Wx
class MyToolbar(class NavigationToolbar2Wx):
    def save(self, evt):
        # Fetch the required filename and file type.
        filetypes = self.canvas._get_imagesave_wildcards()
        # insert your default dir here
        dlg =wx.FileDialog(self._parent, "Save to file", "", "", filetypes,
                           wx.SAVE|wx.OVERWRITE_PROMPT|wx.CHANGE_DIR)
        if dlg.ShowModal() == wx.ID_OK:

            dirname  = dlg.GetDirectory()
            filename = dlg.GetFilename()
            DEBUG_MSG('Save file dir:%s name:%s' % (dirname, filename), 3, self)
            self.canvas.print_figure(os.path.join(dirname, filename))


and then use this toolbar rather than the default one.  See
examples/embedding_in_wx4.py for an example of how to use a custom
toolbar in a wx app.

JDH

Hi,

I am embeding a matplotlib FigureCanvasWxAgg in a wxPython program.

When i press the save botton the directory is that of the executable of
the program. I want to change this to a certain directory. How can i do
that?

Thanks in advance,

Zunbeltz