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Re: [Development] Lights functions required
- To: ukha_d@xxxxxxx
- Subject: Re: [Development] Lights functions required
- From: "Dr John Tankard" <john@xxxxxxx>
- Date: Tue, 12 Jun 2001 07:15:27 -0000
- Delivered-to: rich@xxxxxxx
- Delivered-to: mailing list ukha_d@xxxxxxx
- Mailing-list: list ukha_d@xxxxxxx; contact
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- Reply-to: ukha_d@xxxxxxx
> What exactly do you wish to know about retina response - do you
mean
> the light level at the retina (optical transfer function), or how
the
> retina interprets light at a neural level before all the stimuli
are
> assimilated prior to reaching the visual cortex.
> There are many models of 'schematic' eyes that try to simplify the
> incredibly complex human eye, however these are more usually used
for
> calculating retinal image size at the fovea and do not take into
> account the many abberations that may be involved, such as large
> pupils in the dark that cause spherical abberation and 'coma'.
These
> can also be calculated but the equations are pretty mad!!
>
> I think I missed the earlier discussion and aren't sure exactly
what
> you are after
We are building a lamp dimmer and whant to relate lamp power to the
effect it creates for the user.
so 50% on the dimmer appears to be 50% brightness to the user.
John
____________________________________
Automated Home UK
http://www.automatedhome.co.uk
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