On Sat, May 10, 2008 at 9:41 AM, William Stein <[EMAIL PROTECTED]> wrote:
> On Sat, May 10, 2008 at 9:35 AM, Hector Villafuerte <[EMAIL PROTECTED]> wrote:
>>
>> On Sat, May 10, 2008 at 9:14 AM, louie <[EMAIL PROTECTED]> wrote:
>>>
>>> I made a custom polar grid based on circles and lines and then plotted
>>> some points but the points appeared behind the grid. I tried the
>>> documentation on these primitives and also show() but nothing on the
>>> subject.
>>
>>
>> I was sure that it depended on the order of the plots when adding
>> them... but it doesn't work for me here, since p1+p0 gives the same
>> result as p0+p1:
>>
>> sage: p0 = polar_plot(lambda t: 1, 0, 2*pi, thickness=5)
>> sage: p1 = sum([point( [cos(k), sin(k)], pointsize=70, rgbcolor='red')
>> for k in srange(0,2*pi,pi/4)])
>> sage: (p1+p0).show(aspect_ratio=1)
>> sage: (p0+p1).show(aspect_ratio=1)
>>
>> Some of the more knowledgeable users might want to comment on this.
>> Best,
>> --
>> Hector
>
> I don't know of any way to fix this at present. It was in Alex Clemesha's
> original implementation of plotting, and he never fixed it. Somebody will
> likely have to spend some time understanding why Sage's "plotting using
> matplotlib" organizers overlaps in such a weird way and fix it. If anybody
> already has, please speak up.
>
This bug is now trac #3251:
http://trac.sagemath.org/sage_trac/ticket/3251
William
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