Re: [css3-images] Probably Editorial: radial-gradient() and concentric ellipses from Boris Zbarsky on 2012-02-28 (www-style@w3.org from February 2012)

From: Boris Zbarsky <bzbarsky@MIT.EDU>
Date: Tue, 28 Feb 2012 08:12:29 -0500
To: www-style@w3.org
Message-ID: <4F4CD2BD.2040308@mit.edu>

On 2/28/12 3:01 AM, Kang-Hao (Kenny) Lu wrote:
> I am not sure this is well-defined as I don't know if concentric
> ellipses are by definition necessarily having the same eccentricity.

They're not.

> I don't mean to use www-style as a Math forum but oddly enough I
> couldn't find the definition of "concentric ellipses" on Google.

When people say "concentric ellipses" they seem to mean non-intersecting 
ellipses with shared center and major axes pointing in the same 
direction.  Or something.  There is no commonly accepted definition I 
know of, other than "I know it when I see it".

-Boris

Received on Tuesday, 28 February 2012 13:13:06 UTC