dmitrey wrote:
> Eric Firing wrote:
>> dmitrey wrote:
>>> hi all,
>>> matplotlib says it's similar to MATLAB's plot tool, however, using 
>>> plot(..., 'p') plots pentagram instead of star. It makes my (Python 
>>> scikits.openopt) graphic output of numerical convergence look uglier 
>>> than MATLAB version.
>>>
>>> So is plotting a star intended to be ever implemented?
>> Dmitrey,
>>
>> It was easy, so I added a 5-point star to the set of available markers 
>> in svn.  Use plot(..., '*').  'p' was already taken, and '*' seems 
>> more mnemonic--I would never think of 'p' as indicating a star.
>>
>> Eric
> Thank you, currently I'm using scatter (it will take a time while all 
> users will have the matplotlib version with '*' available).
> 
> There is unclear parameter in scatter docstring, could you explain what 
> does it mean:
> 
>   *s*:
>    size in points^2.  It is a scalar or an array of the same
>    length as *x* and *y*.
> 
> so what does it mean "size in points^2"?

It means the area of the circle circumscribing the marker, with that 
area measured in units of points squared. The strange choice of s as a 
measure of area instead of radius or diameter is for compatibility with 
Matlab.

Eric


> 
> Regards, D.


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