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</o:shapelayout></xml><![endif]--></head><body bgcolor="white" lang="EN-AU" link="blue" vlink="purple">Stop buttons are also found on escalators.<br>
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Phil (trigpoint) <br><br><div class="gmail_quote">On 11 June 2018 15:16:59 BST, osm.tagging@thorsten.engler.id.au wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div class="WordSection1"><p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext"> Warin <61sundowner@gmail.com> <br><b>Sent:</b> Monday, 11 June 2018 17:34<br><b>To:</b> tagging@openstreetmap.org<br><b>Subject:</b> Re: [Tagging] emergency=fire_alarm_box<o:p></o:p></span></p><p class="MsoNormal"><o:p> </o:p></p><div><p class="MsoNormal">On 11/06/18 15:29, <a href="mailto:osm.tagging@thorsten.engler.id.au">osm.tagging@thorsten.engler.id.au</a> wrote:<o:p></o:p></p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">On a remotely related note, while looking through taginfo, I was surprised that emergency=stop_button has only 2 uses and there don’t seem to be any other values to tag something of that nature.</span><o:p></o:p></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">On Wikipedia it’s documented at <a href="https://en.wikipedia.org/wiki/Kill_switch">https://en.wikipedia.org/wiki/Kill_switch</a></span><o:p></o:p></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span><o:p></o:p></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">A tag for this would certainly be useful e.g. for petrol stations to mark the location of the emergency stop button for the pumps…</span><o:p></o:p></p></blockquote><p class="MsoNormal"><o:p> </o:p></p><p><span style="font-family:"Calibri",sans-serif">Stop buttons are also used in workshops - to stop rotating machinery without getting near it, can save a life. <o:p></o:p></span></p><p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext"><o:p> </o:p></span></p><p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">Yes, that was my point. Emergency stop buttons aka kill switches (Not-Aus in German) are something that should be of general interest to map, and the ones for the pumps at a petrol station is just one possible example.<o:p></o:p></span></p><p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">In addition to just tagging the position of the emergency=stop_button, some scheme to define what exactly is affected by it might be useful.<o:p></o:p></span></p><p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">e.g. something like a type=effect relation, with effect=stop (or emergency_stop) and the emergency=stop_button node (role = effecter or maybe source) and man_made=fuel_pump nodes (role = empty or maybe target).<o:p></o:p></span></p><p><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext">That general scheme could be applied to pretty much everything. If someone wants to go wild with indoor mapping and map light fixtures and switches, no problem. Call buttons for elevators, door bells, whatever.<o:p></o:p></span></p></div></blockquote></div><br>
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