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Re: Next step for DAP Ambient Light Events

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Thu, 13 Sep 2012 12:18:15 -0700
Message-ID: <CAAWBYDBvQ8awec4A_KsA8WboYj5fswxddSdyFj7TsfwgVRk++Q@mail.gmail.com>
To: Chris Lilley <chris@w3.org>
Cc: Doug Turner <doug.turner@gmail.com>, "SULLIVAN, BRYAN L" <bs3131@att.com>, "Tran, Dzung D" <dzung.d.tran@intel.com>, Fran├žois REMY <fremycompany_pub@yahoo.fr>, Marcos Caceres <w3c@marcosc.com>, Doug Turner <dougt@mozilla.com>, CSS WG <www-style@w3.org>, "public-device-apis@w3.org" <public-device-apis@w3.org>
On Thu, Sep 13, 2012 at 12:01 PM, Chris Lilley <chris@w3.org> wrote:
> On Thursday, September 13, 2012, 6:30:59 PM, Doug wrote:
> DT> So, I am editing the spec to define this new event.  I want to give
> DT> some idea to the reader what each named lighting level means.  I am
> DT> thinking:
> DT> Dim:
> DT> < 300 lux
> DT> Normal:
> DT> 400-1000 lux
> DT> Bright:
>>>= 1000 lux
> DT> Comments?
> Obviously these levels depend on the adaptation state of the user, which is unknown.
> As an example, at typical ambient levels, a monitor at 120-150 lux would be seen as normally illuminated, and 300 as very bright.

I believe you're talking about the lux *produced* by the screen.  I
agree, a screen pumping out 300lux would be very bright.

This topic, though, is about the ambient light level.

Received on Thursday, 13 September 2012 19:19:05 UTC

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