On Wed, Oct 28, 2009 at 2:59 PM, Michael Droettboom <md...@stsci.edu> wrote:
> Eero Nevalainen wrote:
>>> 2) forgot a factor 2 for the width and height (it's the entire width
>>> not the `radius`)
>>>
>>
>> I'd even say that this is a documentation bug in the Ellipse class.
>> Too bad that they are multiplying by 0.5 inside their code :P
>>
> Well, it's not a good idea to change the existing behavior now, but we
> can improve the documentation.  What would you suggest?  Would you
> prefer to see the word "diameter" in there explicitly somehow?
>
> It currently says:
>
>        *width*
>              length of horizontal axis
>
>        *height*
>              length of vertical axis
>
I believe the documentation is just fine, but maybe the choices made
for the ellipses parameters can be improved.
I however I don't believe it is a very good idea to use non standard
units like degrees .... You force your users to convert their output
of mathematical calculations to non-standard units before being able
to plot.
I also think that the usage of radius in the circle patch is not
consistent with using the length of the full horizontal axis of the
ellipse patch ....

Tinne

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