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Re: [css3-images] Probably Editorial: radial-gradient() and concentric ellipses

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Tue, 28 Feb 2012 08:16:28 -0800
Message-ID: <CAAWBYDAtWQG6v2p8AeO63=RYCUdqLR9QvGb1LQdeDYsqbLpYyA@mail.gmail.com>
To: Boris Zbarsky <bzbarsky@mit.edu>
Cc: www-style@w3.org
On Tue, Feb 28, 2012 at 8:07 AM, Tab Atkins Jr. <jackalmage@gmail.com> wrote:
> On Tue, Feb 28, 2012 at 5:12 AM, Boris Zbarsky <bzbarsky@mit.edu> wrote:
>> 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".
> Huh.  I thought there was a simple definition (linearly scale both
> axises).  I'll do some quick testing to see what impls do and ensure
> it matches what I assume, then specify that more clearly.

Yup, everyone does the obvious thing.  I've added the word
"proportional" in front of "concentric ellipses".  That sound good?

Received on Tuesday, 28 February 2012 16:17:18 UTC

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