Jae-Joon Lee wrote:
> Hi Manuel,
> 
> I think it is a good to introduce the update_from method in Collections.
> But, I'm not sure if it is a good idea to also update sizes, paths and
> rotation (in RegularPolyCoolection). My impression is that update_from
> method is to update gc related attributes. For comparison,
> Patch.update_from() does not update the path.

That's exactly the point why I wasn't fully happy with the patch. The
path is generated by the _path_generator, so instead of copying the path
 it seems to be better to create an instance of the corresponding class
(e.g. the StarPolygonCollection class, as suggested before).

  One should update the rotation attribute (!!); it's only one number. A
'+' marker, for example, has rotation = 0, whereas a 'x' marker has
rotation=pi/4. That's the only difference between those two !

> Also, is it okay to update properties without checking its length?. It
> does not seem to cause any problems though.

  It's in principal not a problem to copy the sizes attribute without
checking the length. If it's shorter the the number of items the sizes
are repeated; if it's longer it gets truncated.

mm

> I guess It would better to use xdata_markers than xdata in the
> get_handle() method. The difference is when numpoints==1. Using xdata
> gives two marker points.
> 
> I was actually about to to commit my patch. I'll try to account your
> changes and post my version of patch later today.
> 
> Regards,
> 
> -JJ
> 
> 
> 
> 
> On Wed, Oct 15, 2008 at 4:07 PM, Manuel Metz <[EMAIL PROTECTED]> wrote:
>> hmm
>>
>> -------- Original Message --------
>> Jae-Joon Lee wrote:
>>>> - the parameter numpoints should be used (it's ignored right now)
>>>>
>>> Thanks Manuel. I guess we can simply reuse xdata_marker for this purpose.
>>>
>>>
>>>> - Some private variables are accessed and a new RegularPolycollection is
>>>> created (does this work eg. with a StarPolygonCollection? I haven't
>>>> checked, but I don't think so !). Instead of creating a new
>>>> RegularPolyCollection it might be more useful to make a copy of the
>>>> existing object... I was thinking about a update_from() method for the
>>>> Collection class(es) similar to update_from() for lines.
>>>>
>>> By changing "RegularPolyCoolection"  to "type(handles)", it works for
>>> StarPolygonCollection.
>>>
>>> In Erik's current implementation, the markers in the legend have
>>> varying colors, sizes, and y offsets.
>>> The color variation seems fine. But do we need to vary the sizes and
>>> y-offsets? My inclination is to use a fixed size (median?) and a fixed
>>> y offset. How does Erik and others think?
>>>
>>> Regards,
>>>
>>> -JJ
>> Attached is my current version of the patch. I've moved all of the
>> properties-copying stuff to collections, which makes the changes
>> legend.py more clearer (but I'm not fully happy with the patch and
>> haven't commit anything yet)
>>
>> mm
>>
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