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Re: Linear gradients, Transforms and angles...

From: Simon Fraser <smfr@me.com>
Date: Mon, 20 Sep 2010 08:53:58 -0700
Cc: Daniel Glazman <daniel.glazman@disruptive-innovations.com>, www-style list <www-style@w3.org>
Message-id: <280647EE-6CEC-478D-B6A8-EB78E1C92652@me.com>
To: "Tab Atkins Jr." <jackalmage@gmail.com>
On Sep 20, 2010, at 8:05 AM, Tab Atkins Jr. wrote:

> On Mon, Sep 20, 2010 at 1:36 AM, Daniel Glazman
> <daniel.glazman@disruptive-innovations.com> wrote:
>> Guys, I have a (light) problem with gradients and transformations.
>> An angle is not an angle...
>> - linear gradients' angles are counted counter-clockwise [1]
>> - rotations are counted clockwise [2]
>> Since gradients are not everywhere on the web YET, I hope we still can
>> change things here. So naive questions:
>> a) why that difference? Unintentional?
>> b) can we make both angles here mean the same thing and both
>>   rotate clockwise? Or both counter-clockwise?
> The difference was unintentional, in that I didn't *mean* for it to be
> different from other properties.  But I did specially intend for it to
> be as it is, with 0deg pointing East and CCW being positive.  That's
> how polar angles work, which I treated as the most common case of
> directed angles.
> That said, there was a recent thread about this, where fantasai
> suggested switching to bearing angles (0deg points North, CW is
> positive).

Here's the thread, for reference.

Received on Monday, 20 September 2010 15:54:54 UTC

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