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<div class="moz-cite-prefix">On 06/07/19 20:47, Ferdinand Schicke
wrote:<br>
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<p class="MsoNormal"><span lang="EN-US">What I couldsee work
would be to have additional lit=* values like lit=weak or
lit=spillover or lit=10lux</span></p>
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<p><font face="Times New Roman">I tired to use my mobile phone to
gauge the amount of night light .. it did not work very well at
all! </font></p>
<p><font face="Times New Roman"><span lang="EN-US"> lit=weak is too
subjective. </span></font></p>
<p><font face="Times New Roman"><span lang="EN-US"></span></font></p>
<p><font face="Times New Roman"><span lang="EN-US">I too would leave
lit alone. Either it is lit or it is not. <br>
</span></font></p>
<p><font face="Times New Roman"><span lang="EN-US">If you need some
measure of 'lit' then I suggest if a map (OSM reference)
cannot be read by the present light level then it is not lit.
</span></font></p>
<p><span lang="EN-US"></span></p>
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<p class="MsoNormal" style="border:none;padding:0cm"><b>From:
</b><a href="mailto:matkoniecz@tutanota.com"
moz-do-not-send="true">Mateusz Konieczny</a><br>
<b>Sent: </b>Samstag, 6. Juli 2019 12:26<br>
<b>To: </b><a href="mailto:tagging@openstreetmap.org"
moz-do-not-send="true">Tagging</a><br>
<b>Subject: </b>[Tagging] lit=yes/no threshold</p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Some cases of lit=yes are clear (direct
lighting of street/footway by lamps)<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Some cases of lit=no are clear (no
lighting whatsoever)<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">But in cities there is also often strong
or weak ambient light, for example:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">- carriageway is directly lit with so
powerful light that spillover light<o:p></o:p></p>
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<p class="MsoNormal">makes footway well lit - clearly lit=yes<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">- spillover light is quite dim but enough
to comfortably walk - also lit=yes<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">- there is some ambient light, but not
enough to walk without own<o:p></o:p></p>
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<p class="MsoNormal">source of light - lit=no<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">- there is an ambient light, one can
carefully walk, but only slowly,<o:p></o:p></p>
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<p class="MsoNormal">people with poor eyesight needs their own
source of light - lit=no (?)<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Overall, I am considering adding to <a
href="https://wiki.openstreetmap.org/wiki/Key:lit"
moz-do-not-send="true">https://wiki.openstreetmap.org/wiki/Key:lit</a><o:p></o:p></p>
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<p class="MsoNormal">recommendation to consider "is it
necessary to bring your own light source to see it properly"<o:p></o:p></p>
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<p class="MsoNormal">as recommended threshold for
footways/paths.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Any problems with that or ideas for a
better threshold between lit=yes and lit=no?<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">disclaimer: I am trying to make
lit=yes/no definition more precise as part of my grant<o:p></o:p></p>
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<p class="MsoNormal"><a class="moz-txt-link-freetext" href="https://www.openstreetmap.org/user/Mateusz%20Konieczny/diary/368849">https://www.openstreetmap.org/user/Mateusz%20Konieczny/diary/368849</a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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