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<div><span></span>Thank you very much for the video！</div><div><br></div><div><p style="border: medium none; margin: 0px 0px 13px; padding: 0px; line-height: 16.8px; color: rgb(68, 68, 68); font-family: sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2;"><span style="font-size: 16px;">my app users are in a small city of china, the current data in OSM about the city is not enough, it is nearly no roads in the small city, many roads are missing，so I must add the missing roads to the map.</span></p><p style="border: medium none; margin: 0px 0px 13px; padding: 0px; line-height: 16.8px; color: rgb(68, 68, 68); font-family: sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2;"><span style="font-size: 16px;">what I need is to make the whole road network first, then I can calculate the bicycle distance between any two different points of the city for my app。If the road network is not correct, it is not possible to get the distance.</span></p><p style="border: medium none; margin: 0px 0px 13px; padding: 0px; line-height: 16.8px; color: rgb(68, 68, 68); font-family: sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2;"><span style="font-size: 16px;">Because all I need is to get the distance of any two different points of the city, so the additional information(</span><span style="font-size: 13px; color: rgb(0, 0, 0); line-height: 1.5; background-color: transparent;">street names, maxspeed information, POIs, addresses and so on.</span><span style="font-size: 16px; line-height: 16.8px; background-color: transparent;">) is not necessary for me，even the current OSM data is not necessary for me. </span></p><p style="border: medium none; margin: 0px 0px 13px; padding: 0px; line-height: 16.8px; color: rgb(68, 68, 68); font-family: sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2;"><span style="font-size: 16px;">Is it possible that I can make my own map without the OSM data, I just begin from an empty map data,and I generate ways out of GPX files on my own server?</span></p><p style="border: medium none; margin: 0px 0px 13px; padding: 0px; line-height: 16.8px; color: rgb(68, 68, 68); font-family: sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2;"><span style="font-size: 16px;">Even that I still need to solve the three problems below:</span></p><ul style="border: medium none; margin: 0px 0px 1em 20px; padding: 0px; list-style-position: outside; list-style-image: none; vertical-align: middle; font-family: sans-serif; font-size: 13px; font-variant-ligatures: normal; orphans: 2; widows: 2;"><li style="border: medium none; margin: 0px; padding: 0px;">GPX tracks will overlap with other GPX tracks. Is it possible to automatically detect whether there are two parallel ways or if this is just one single way?</li><li style="border: medium none; margin: 0px; padding: 0px;">GPX tracks will cross other GPX tracks. Is it possible to automatically detect whether there is a road junction or one of the ways is a bridge or a tunnel?</li><li style="border: medium none; margin: 0px; padding: 0px;">Is it possible to automatically detect which OSM highway class (road, footway, cycleway, ...) my GPX track has?</li></ul><p style="border: medium none; margin: 0px 0px 13px; padding: 0px; line-height: 16.8px; color: rgb(68, 68, 68); font-family: sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2;"><br></p><p style="border: medium none; margin: 0px 0px 13px; padding: 0px; line-height: 16.8px; color: rgb(68, 68, 68); font-family: sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2;">My app will server many small citys of china in the futuer, it is not possible to edit the map of each city <span style="color: rgb(0, 0, 0); font-family: 'Microsoft YaHei UI'; font-size: 10.5pt; line-height: 1.5; background-color: transparent;">manually，because I am not familiar with the citys too，and the GPX files are not made by me but my users，and the num of the fiels is too large, almost 100,000 every day。</span></p><p style="border: medium none; margin: 0px 0px 13px; padding: 0px; line-height: 16.8px; color: rgb(68, 68, 68); font-family: sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2;">So I need a method to Make roads automatically，just use the GPX files。</p><p style="border: medium none; margin: 0px 0px 13px; padding: 0px; line-height: 16.8px; color: rgb(68, 68, 68); font-family: sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2;"><br></p><p style="border: medium none; margin: 0px 0px 13px; padding: 0px; line-height: 16.8px; color: rgb(68, 68, 68); font-family: sans-serif; font-variant-ligatures: normal; orphans: 2; widows: 2;">All I need</p></div>
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<div><span><div style="MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"><div>zhangyang@lewaimai.com</div></div></span></div>
<blockquote style="margin-Top: 0px; margin-Bottom: 0px; margin-Left: 0.5em"><div> </div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm"><div style="PADDING-RIGHT: 8px; PADDING-LEFT: 8px; FONT-SIZE: 12px;FONT-FAMILY:tahoma;COLOR:#000000; BACKGROUND: #efefef; PADDING-BOTTOM: 8px; PADDING-TOP: 8px"><div><b>From:</b> <a href="mailto:winfixit@gmail.com">Jo</a></div><div><b>Date:</b> 2018-09-14 23:02</div><div><b>To:</b> <a href="mailto:bhousel@gmail.com">Bryan Housel</a></div><div><b>CC:</b> <a href="mailto:zhangyang@lewaimai.com">zhangyang</a>; <a href="mailto:dev@openstreetmap.org">OSM dev list</a></div><div><b>Subject:</b> Re: [OSM-dev] question about add way to openstreetmap by GPX automatic</div></div></div><div><div class="FoxDiv20180914232000319164"><div dir="ltr"><div dir="ltr">I made a short screencast video on how we worked with GPX before we had good aerial imagery to work with:<div><br></div><div><a href="https://www.youtube.com/watch?v=tU9WJeYO77I">https://www.youtube.com/watch?v=tU9WJeYO77I</a><br></div><div><br></div><div>Adding the ways would still be a manual process, but that's the best way to integrate it with the already existing data anyway. I'm also showing the ImproveWay functionality, which makes it actually quite enjoyable.</div><div><br></div><div>Polyglot</div></div></div><br><div class="gmail_quote"><div dir="ltr">Op vr 14 sep. 2018 om 16:56 schreef Bryan Housel <<a href="mailto:bhousel@gmail.com">bhousel@gmail.com</a>>:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space">My approach would be to use:<div>- <a href="https://github.com/mapbox/togeojson" target="_blank">https://github.com/mapbox/togeojson</a> - to batch convert all the gpx -> geojson</div><div>then</div><div>- <a href="https://github.com/mapbox/tippecanoe" target="_blank">https://github.com/mapbox/tippecanoe</a> - to merge them all into a vector tileset.</div><div>then</div><div>- upload that to Mapbox for hosting so that people can trace from it in the OSM editors.</div><div><br></div><div>But this is just one approach and there might be other tools that do this.</div><div>(I work for Mapbox, so I’m mostly familiar with our tools)</div><div><br><div>Thanks, Bryan</div><div><br></div><div><br><div><br><blockquote type="cite" style="margin-top: 0px;"><div>On Sep 14, 2018, at 9:56 AM, <a href="mailto:zhangyang@lewaimai.com" target="_blank">zhangyang@lewaimai.com</a> wrote:</div><br class="m_-2204263230714619317Apple-interchange-newline"><div><div style="font-family:"Microsoft YaHei UI";font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-size:16px">yes，I only need to use the tracks to add roads to OSM once for each road at the first time，but the problem is that how can I know whick roads are missing，<a style="font-family:Arial,"Microsoft YaHei","\005fae\008f6f\0096c5\009ed1","\005b8b\004f53","Malgun Gothic",Meiryo,sans-serif;box-sizing:border-box;outline:none;line-height:14px;background-color:transparent">especial even the same road can have different GPS points in different gpx files.</a></span></div><div style="font-family:"Microsoft YaHei UI";font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-size:16px"><br></span></div><div style="font-family:"Microsoft YaHei UI";font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-size:16px">it is a small city for china, the current data in OSM about the city is not enough, many roads are missing，so I need to use the 100,000 gpx files to add the missing roads，so i can get the bicycle distance between different points of the city.</span></div><div style="font-family:"Microsoft YaHei UI";font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-size:16px"><br></span></div><div style="font-family:"Microsoft YaHei UI";font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span style="font-size:16px">of course, they are many </span><a style="font-family:Arial,"Microsoft YaHei","\005fae\008f6f\0096c5\009ed1","\005b8b\004f53","Malgun Gothic",Meiryo,sans-serif;box-sizing:border-box;color:rgb(43,119,197);outline:none;line-height:14px;font-size:15px;font-weight:700;background-color:transparent">repeated roads in </a><span style="font-size:16px;line-height:1.5;background-color:transparent"> the 100,000 gpx files, what I need is the actual way info, how can I find them out?</span></div><div style="font-family:"Microsoft YaHei UI";font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><br></div><hr size="1" align="left" style="font-family:"Microsoft YaHei UI";font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none;width:210px;height:1px"><div style="font-family:"Microsoft YaHei UI";font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><span><div style="margin:10px;font-family:verdana;font-size:10pt"><div><a href="mailto:zhangyang@lewaimai.com" target="_blank">zhangyang@lewaimai.com</a></div></div></span></div><blockquote style="margin-top:0px;margin-bottom:0px;margin-left:0.5em;font-family:"Microsoft YaHei UI";font-size:14px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none"><div> </div><div style="border-style:solid none none;border-top-width:1pt;border-top-color:rgb(181,196,223);padding:3pt 0cm 0cm"><div style="padding:8px;font-size:12px;font-family:tahoma;background-color:rgb(239,239,239)"><div><b>From:</b> <a href="mailto:simon@poole.ch" target="_blank">Simon Poole</a></div><div><b>Date:</b> 2018-09-14 21:15</div><div><b>To:</b> <a href="mailto:dev@openstreetmap.org" target="_blank">dev</a></div><div><b>Subject:</b> Re: [OSM-dev] question about add way to openstreetmap by GPX automatic</div></div></div><div><div class="m_-2204263230714619317FoxDiv20180914214657688105"><div style="margin-top:0px;margin-bottom:0px">You probably don't want to use the tracks directly to add roads to OSM (you would only want to do this once in any case). Definitely they could be useful for detecting which roads are missing, and, if the available aerial imagery isn't good enough for actually adding any missing roads.<span class="m_-2204263230714619317Apple-converted-space"> </span><br></div><div style="margin-top:0px;margin-bottom:0px">Can you indicate where the city is?</div><div style="margin-top:0px;margin-bottom:0px">Simon<br></div><br><div class="m_-2204263230714619317moz-cite-prefix">Am 14.09.2018 um 14:33 schrieb<span class="m_-2204263230714619317Apple-converted-space"> </span><a class="m_-2204263230714619317moz-txt-link-abbreviated" href="mailto:zhangyang@lewaimai.com" target="_blank">zhangyang@lewaimai.com</a>:<br></div><blockquote type="cite" style="margin-top:0px;margin-bottom:0px;margin-left:0.5em"><div><span></span>my ios app has 10,000 users in one city, and they wii collect the <span style="color:rgb(102,102,102);font-family:Arial,"Microsoft YaHei","\005fae\008f6f\0096c5\009ed1","\005b8b\004f53","Malgun Gothic",Meiryo,sans-serif">trajectory</span> in gpx format, i want to add way to openstreetmap use their gpx <span style="color:rgb(102,102,102);font-family:Arial,"Microsoft YaHei","\005fae\008f6f\0096c5\009ed1","\005b8b\004f53","Malgun Gothic",Meiryo,sans-serif;font-size:10.5pt;line-height:1.5;background-color:transparent">trajectory.</span></div><div><span style="color:rgb(102,102,102);font-family:Arial,"Microsoft YaHei","\005fae\008f6f\0096c5\009ed1","\005b8b\004f53","Malgun Gothic",Meiryo,sans-serif;font-size:10.5pt;line-height:1.5;background-color:transparent"><br></span></div><div><span style="color:rgb(102,102,102);font-family:Arial,"Microsoft YaHei","\005fae\008f6f\0096c5\009ed1","\005b8b\004f53","Malgun Gothic",Meiryo,sans-serif;font-size:10.5pt;line-height:1.5;background-color:transparent">there will be almost 100,000 gpx files one day, so it is not possible to edit map manual by software such as JOSN.</span></div><div><span style="color:rgb(102,102,102);font-family:Arial,"Microsoft YaHei","\005fae\008f6f\0096c5\009ed1","\005b8b\004f53","Malgun Gothic",Meiryo,sans-serif;font-size:10.5pt;line-height:1.5;background-color:transparent"><br></span></div><div><font face="Arial, Microsoft YaHei, \\5FAE软雅黑, \\5B8B体,
Malgun Gothic, Meiryo, sans-serif" color="#666666">I want to know if I can product ways accord to the 100,0000 gpx files automatic，I need a C++ library which can do this，can anyone help me please？</font></div><div><br></div><div><br></div><div><br></div><hr size="1" align="left" style="width:210px;height:1px"><div><span><div style="margin:10px;font-family:verdana;font-size:10pt"><div><a class="m_-2204263230714619317moz-txt-link-abbreviated" href="mailto:zhangyang@lewaimai.com" target="_blank">zhangyang@lewaimai.com</a></div></div></span></div><br><fieldset class="m_-2204263230714619317mimeAttachmentHeader"></fieldset><br><pre>_______________________________________________
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