[GRASS-dev] numeric-numpy-scipy for graphs?

Moritz Lennert mlennert at club.worldonline.be
Tue Apr 24 05:55:29 EDT 2007


On 24/04/07 08:20, Hamish wrote:
>>>> "wolle" wrote:
>>>>> have a look at matplotlib http://matplotlib.sourceforge.net/
>>>>> It depends on numeric.
>>> Michael wrote:
>>>> Really impressive!
> Hamish:
>>> oh, and by the way, IMO translucency is the neat way to go for
>>> bubble plots, not sorting by size before rendering and drawing the
>>> little ones on top (can lead to coin toss overlap results; you lose
>>> any order/time info in the data).
>>>
>>> e.g. study these two:
>>>
>>> http://matplotlib.sourceforge.net/screenshots/scatter_demo2_large.png
>>>
>>> and attached graphic (clipped from the NY Times online edition a few
>>> days ago) which demonstrates it quite well.
> Michael Barton wrote:
>> I agree about the translucency. Looks nice AND is more informative.
> 
> For the record, I don't mean to say that sorting isn't a nice short-term
> solution, it is. Translucency is just a nicer long-term solution.

I don't think I agree with this, unless order/time is an important 
element. For other uses, I still think that ordering is better as you 
don't lose the color information as you do in your example (see small 
circle behind large circle at -0.01,-0.01).
So, I guess, as always, choice rules ;-)

Moritz




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