> CS = contourf(Z)
> for c in CS.collections:
> c.set_antialiased(False)
Eric,
Thank you! I like this very much!
So, the last thing is, is there any way to set this antialiased feature to
False by default?
efiring wrote:
>
> lmkli wrote:
>>> What version of mpl are you using?
>> My mpl version is 0.99.1
>>
>>> Are you modifying the default anti-aliasing in the patch collections
>>> that
>>> contour is creating?
>> Could you please tell me how to this? I am very new to matplotlib, thank
>> you
>> very much if you can give me some advices.
>
> see below.
>
>>
>>> Are you seeing the problem when using the ps and pdf backends, or only
>>> with
>> agg (that is, creating png files directly)?
>> So far I only creating png files directly. Also, how to use ps and pdf
>> backend?
>
> The easiest way is with the pyplot savefig command: e.g.
>
> savefig("test.pdf")
>
> to save the current figure as a pdf.
>
> It doesn't look to me like this solves the problem, though.
>
>>
>>> ....which has been fixed in svn.
>> Do you mean I should download another mpl by svn?
>
> That might help, but it probably won't cure the problem completely. I
> don't know that there is any combination of parameters that gives
> boundaries as smooth and gap-free as in your second example. You may
> get a bit closer to it like this:
>
> CS = contourf(Z)
> for c in CS.collections:
> c.set_antialiased(False)
>
> (If working interactively in ipython, follow this with a "draw()"
> command to force a redraw.)
>
> Eric
>
>>
>> Thank you for your answers very much!
>>
>>
>> efiring wrote:
>>> What version of mpl are you using? Are you modifying the default
>>> anti-aliasing in the patch collections that contour is creating? Are you
>>> seeing the problem when using the ps and pdf backends, or only with agg
>>> (that is, creating png files directly)?
>>>
>>> There are two problems that can contribute to this, one related to the
>>> way the agg backend handles the boundaries between filled regions, and
>>> the other a bug in path simplification, which has been fixed in svn.
>>>
>>> Eric
>>>
>>>
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>>
>
>
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> Try the new software tools for yourself. Speed compiling, find bugs
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