<html><head></head><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1489777518448_19250"><span id="yui_3_16_0_ym19_1_1489777518448_19249">Hi Jochen</span></div><div id="yui_3_16_0_ym19_1_1489777518448_19251"><span><br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1489777518448_19253"><span id="yui_3_16_0_ym19_1_1489777518448_19433">Your focus on these problems more related to the softwares process is quite interesting and valuable. <br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1489777518448_22021"><span id="yui_3_16_0_ym19_1_1489777518448_19433"><br></span></div><div id="yui_3_16_0_ym19_1_1489777518448_23632">While I continue to focus on the Haiti south west peninsula after<span id="yui_3_16_0_ym19_1_1489777518448_23288"><span id="yui_3_16_0_ym19_1_1489777518448_23289"></span></span><span id="yui_3_16_0_ym19_1_1489777518448_23290"></span><span id="yui_3_16_0_ym19_1_1489777518448_23291"> the Matthew hurricane landing in october 2016</span><span id="yui_3_16_0_ym19_1_1489777518448_19433">, </span><span id="yui_3_16_0_ym19_1_1489777518448_19433">I looked today at multipolygon relations misuse.</span></div><div id="yui_3_16_0_ym19_1_1489777518448_23631"><br></div><div id="yui_3_16_0_ym19_1_1489777518448_23598"><span id="yui_3_16_0_ym19_1_1489777518448_19433">For Buildings with only outer rings, I merged the ways if necessary, removed the relation and added the building tag to the ways.<br></span></div><span id="yui_3_16_0_ym19_1_1489777518448_19433"></span><div dir="ltr" id="yui_3_16_0_ym19_1_1489777518448_21005"><span id="yui_3_16_0_ym19_1_1489777518448_19433">This Overpass query shows some of these multipolygons before correction.<br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1489777518448_19781"><span id="yui_3_16_0_ym19_1_1489777518448_19433"><a href="http://overpass-turbo.eu/s/nBb" class="" id="yui_3_16_0_ym19_1_1489777518448_21377">http://overpass-turbo.eu/s/nBb</a><br></span></div><div id="yui_3_16_0_ym19_1_1489777518448_21449"><br></div><div dir="ltr" id="yui_3_16_0_ym19_1_1489777518448_19783"><span id="yui_3_16_0_ym19_1_1489777518448_19433">I also found and incorrect use is multipolygon relation as a collection of buildings, removed the relation and corrected the tagging. There were 7 buildings in this relation. This does not respect the OSM data model and we cannot easily count the number of building in GIS softwares. The mapper who added this relation has more then 600 days of contribution and hence classified by Pascal Neis as </span><span id="yui_3_16_0_ym19_1_1489777518448_19434">Great Mapper (Very Active). <br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1489777518448_19254"><span id="yui_3_16_0_ym19_1_1489777518448_21052"><a href="http://overpass-turbo.eu/s/nB9" class="" id="yui_3_16_0_ym19_1_1489777518448_21051">http://overpass-turbo.eu/s/nB9</a><br></span></div><div id="yui_3_16_0_ym19_1_1489777518448_25851"><span id="yui_3_16_0_ym19_1_1489777518448_25650"><br></span></div><div dir="ltr" id="yui_3_16_0_ym19_1_1489777518448_25781"><span id="yui_3_16_0_ym19_1_1489777518448_25650">The next problem I will look at is ways with only the area tag. </span></div><div class="signature" id="yui_3_16_0_ym19_1_1489777518448_19087"><div id="yui_3_16_0_ym19_1_1489777518448_25606"><br></div><div id="yui_3_16_0_ym19_1_1489777518448_25605"><span style="font-style:italic;color:rgb(0, 0, 191);font-weight:bold;" id="yui_3_16_0_ym19_1_1489777518448_25563"></span><br></div><div id="yui_3_16_0_ym19_1_1489777518448_25598"><span style="font-style:italic;color:rgb(0, 0, 191);font-weight:bold;" id="yui_3_16_0_ym19_1_1489777518448_25563"><font id="yui_3_16_0_ym19_1_1489777518448_25604" face="garamond, new york, times, serif">Pierre </font></span></div><div id="yui_3_16_0_ym19_1_1489777518448_25569"><br></div><div id="yui_3_16_0_ym19_1_1489777518448_25570"><span style="font-style:italic;color:rgb(0, 0, 191);font-weight:bold;" id="yui_3_16_0_ym19_1_1489777518448_25563"></span><br></div></div><div class="y_msg_container" id="yui_3_16_0_ym19_1_1489777518448_19157"><br><br></div><div class="qtdSeparateBR"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1489777518448_19150" style="display: block;"><div style="font-family: verdana, helvetica, sans-serif; font-size: 13px;" id="yui_3_16_0_ym19_1_1489777518448_19149"><div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, linéale; font-size: 16px;" id="yui_3_16_0_ym19_1_1489777518448_19148"> </div> </div> </div></div></body></html>