Re: [matplotlib-devel] mathtext examples

2007-08-05 Thread Jouni K Seppänen
Michael Droettboom <[EMAIL PROTECTED]> writes:

> You're right.  That's a bug that crept in.  The other difference (that I 
> just noticed now), is that the \Delta is slanted, where it isn't in TeX. 
>   The rules as to when a Greek character is italicized are a little 
> unclear to me.  (Only when lowercase?)

Yes, that's the TeX rule. Wikipedia claims it to be the American convention:
http://en.wikipedia.org/wiki/Typographical_conventions_in_mathematical_formulae

-- 
Jouni



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Re: [matplotlib-devel] mathtext examples

2007-08-05 Thread Stefan van der Walt
On Fri, Aug 03, 2007 at 03:13:01PM -0400, Michael Droettboom wrote:
> On a related note, the Agg backend suffers a little bit from the lack of 
> subpixel character placement.  The spacing of symbols can look slightly 
> incorrect because of that (since their placement is rounded to the 
> nearest integer), particularly at the smaller sizes.  I haven't gotten 
> around to experimenting with rounding vs. truncating to see if that 
> alone makes it look any better.

An interesting article by the author of AGG on the intricacies of font
rendering:

http://antigrain.com/research/font_rasterization/index.html

Cheers
Stéfan

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