On 18/01/2015 5:14 PM, [email protected] wrote:
Date: Sun, 18 Jan 2015 00:14:36 -0600
From: "John F. Eldredge"<[email protected]>
To: "Tag discussion, strategy and related tools"
<[email protected]>, Volker Schmidt<[email protected]>
Subject: Re: [Tagging] Tagging road illumination quality
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<[email protected]>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
You could use a light meter to measure how bright the light is. That isn't
the only factor in the suitability of the lighting, but it is objective.
My 'smartphone' can give a light reading -Andriod using app 'GPS Status'
in lux or foot candle. There should be others that do the same kind of
thing. Uses the camera function to determine the light from the
exposure. But 'we' will need guidance on how best to measure it.
Possibly pointing it at the ground immediately under the light for a hi
reading, and anothe midway between two lights for a low reading and take
the average? Maybe a google will turn up some ideas? The phones won't be
accurate but should be good enough for an indication.
-- John F. Eldredge -- [email protected] "Darkness cannot drive out
darkness; only light can do that. Hate cannot drive out hate; only
love can do that." -- Martin Luther King, Jr. On January 16, 2015
11:18:33 AM Volker Schmidt <[email protected]> wrote:
>I would like to enter illumination quality for bicycle infrastructure
>(cycleways) in OSM.
>Any suggestions welcome
>
>Volker
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