Re: Next step for DAP Ambient Light Events

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.

~TJ