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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I used a different strategy than Eric, but I also looked at this question<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>For the queries I ran to see how McDonald’s were merged to ways I used this with an osm2pgsql database to find McDonalds mapped as a node within a building with no other POIs in the building:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>SELECT COUNT(*) <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> FROM planet_osm_point AS pt<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> JOIN planet_osm_polygon AS bp ON ST_Intersects(pt.way, bp.way)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> LEFT JOIN planet_osm_point AS po ON (<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> ST_Intersects(bp.way, po.way)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> AND po.osm_id != pt.osm_id)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> WHERE pt.name='McDonald''s'<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> AND bp.building IS NOT NULL<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> AND po IS NULL;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Getting the number mapped on buildings is simple, as is the total number mapped as nodes, and with subtraction you can get the same measures that Eric did.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>There are<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>* 2208 McDonald's points inside building polygons with no other points inside<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>* 3315 McDonald's polygons<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>* 1484 McDonald's points inside building polygons with other points inside<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>* 3721 McDonald's points not inside a building polygon at all<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The first two are the relevant numbers for this.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>To change it to addresses is simple, but expect a much slower query as there are a lot more addresses.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I believe this is actually a more accurate method than Eric used as it explicitly considers if a node has other POIs in the same building, but Eric’s result was conservative in finding that it is at least 10:3 in favour of addresses on the way.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Clifford Snow [mailto:clifford@snowandsnow.us] <br><b>Sent:</b> Thursday, October 24, 2013 7:17 PM<br><b>To:</b> Alex Barth<br><b>Cc:</b> imports@openstreetmap.org<br><b>Subject:</b> Re: [Imports] NYC building + address import - to merge or not to merge?<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>On Thu, Oct 24, 2013 at 5:57 PM, Alex Barth <<a href="mailto:alex@mapbox.com" target="_blank">alex@mapbox.com</a>> wrote:<o:p></o:p></p><div><p class=MsoNormal>Eric Fischer and I got curious, he just ran numbers on the entire planet, I posted a summary here: <a href="http://www.openstreetmap.org/user/lxbarth/diary/20261" target="_blank">http://www.openstreetmap.org/user/lxbarth/diary/20261</a><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The short is that for better or worse, tagging addresses on buildings where possible is most common in OSM. Whether that's good or bad is a different discussion, for OSM NYC we'll stick to this convention. Especially as the location of the address point is not always meaningful in this dataset.<o:p></o:p></p></div></div></div><p class=MsoNormal><br>Can you post a howto on how you pulled the data? I'm struggling trying to get address info out. <br><br clear=all><o:p></o:p></p><div><p class=MsoNormal>Thanks,<o:p></o:p></p></div><p class=MsoNormal>-- <o:p></o:p></p><div><p class=MsoNormal>Clifford<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>OpenStreetMap: Maps with a human touch<o:p></o:p></p></div></div></div></div></div></body></html>