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<p>Hi Mike,</p>
<p><br>
</p>
<p>I've tried to collect special cases reg. this. <span>I've seen places with a road going straight through a roundabout .
</span></p>
<p>I assume one is not allowed to enter the roundabout from these roads, but I don't know how this is
<br>
</p>
<p>correctly mapped. Such a road might be split into multiple OSM ways. The wiki about roundabouts doesn't</p>
<p>mention this case, maybe because it isn't a roundabout in this case?<br>
</p>
<p>Another problem: A way may not end at the roundabout, it may build some kind of v-shape only touching the roundabout.<br>
</p>
<p>I think this is not correct mapping and should be flagged.<br>
</p>
<p>Do you see others?</p>
<p><br>
</p>
<p>Gerd<br>
</p>
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<hr style="display:inline-block;width:98%" tabindex="-1">
<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>Von:</b> mkgmap-dev <mkgmap-dev-bounces@lists.mkgmap.org.uk> im Auftrag von Gerd Petermann <GPetermann_muenchen@hotmail.com><br>
<b>Gesendet:</b> Mittwoch, 27. Juli 2016 14:33:38<br>
<b>An:</b> Development list for mkgmap<br>
<b>Betreff:</b> Re: [mkgmap-dev] Roundabout checks</font>
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<p>Hi Mike,</p>
<p><br>
</p>
<p>yes, I can reproduce the problem. I just wonder if mkgmap can fix the problem as well,</p>
<p>not only report it. Maybe it also depends on oneway attributes on the roads joining onto</p>
<p>the roundabout.<br>
</p>
<p>I'll have a closer look later.</p>
<p><br>
</p>
<p><br>
</p>
<p>Gerd<br>
</p>
<p><br>
</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>Von:</b> mkgmap-dev <mkgmap-dev-bounces@lists.mkgmap.org.uk> im Auftrag von Mike Baggaley <mike@tvage.co.uk><br>
<b>Gesendet:</b> Mittwoch, 27. Juli 2016 14:16:14<br>
<b>An:</b> 'Development list for mkgmap'<br>
<b>Betreff:</b> Re: [mkgmap-dev] Roundabout checks</font>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I have rebuilt this area of the map with the default style, and the result is the same.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Mike<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Mike Baggaley [mailto:mike@tvage.co.uk]
<br>
<b>Sent:</b> 27 July 2016 13:14<br>
<b>To:</b> 'Development list for mkgmap' <mkgmap-dev@lists.mkgmap.org.uk><br>
<b>Subject:</b> RE: [mkgmap-dev] Roundabout checks<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">HI Gerd, at roundabout way 336004297, if you route from way 52026730 (Manor Court Street), which has a common point on the roundabout
with way 208232611 (Newcastle Road), to way 48846175 (St. Thomas Place), BaseCamp says :<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">1. Manor Court Street, N53° 00.034' W2° 11.801'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">2. Get on Manor Court Street and ride north, 0 m, 0 m, 180.0° true, N53° 00.034' W2° 11.801'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">3. Enter roundabout Roundabout, 63 m, 9 s, 63 m, 9 s, 7.1° true, N53° 00.068' W2° 11.795'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">4. Take the 1st left onto St. Thomas Place, 17 m, 13 s, 81 m, 22 s, 50.3° true, N53° 00.076' W2° 11.791'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">5. St. Thomas Place, 22 m, 6 s, 102 m, 28 s, 0.0° true, N53° 00.087' W2° 11.786'<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Point 4 should be the 2<sup>nd</sup> left.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">I am using my own style, but do not think this will make any difference.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Mike<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Gerd Petermann [<a href="mailto:GPetermann_muenchen@hotmail.com">mailto:GPetermann_muenchen@hotmail.com</a>]
<br>
<b>Sent:</b> 27 July 2016 11:40<br>
<b>To:</b> Development list for mkgmap <<a href="mailto:mkgmap-dev@lists.mkgmap.org.uk">mkgmap-dev@lists.mkgmap.org.uk</a>><br>
<b>Subject:</b> Re: [mkgmap-dev] Roundabout checks<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p style="background:white"><span style="color:black">Hi Mike,<o:p></o:p></span></p>
<p style="background:white"><span style="color:black"><o:p> </o:p></span></p>
<p style="background:white"><span style="color:black">I think you cannot do those checks in the style.
<o:p></o:p></span></p>
<p style="background:white"><span style="color:black">Do you have example cases for wrong exit numbers<o:p></o:p></span></p>
<p style="background:white"><span style="color:black">with the default style? Or with a style that I can try as well?<o:p></o:p></span></p>
<p style="background:white"><span style="color:black">I think I also saw this problem during my last cycling tour<o:p></o:p></span></p>
<p style="background:white"><span style="color:black">through Italy, but was too lazy to stop and note any details,<o:p></o:p></span></p>
<p style="background:white"><span style="color:black">in the meanwhile Minko changed the style rules for roundabouts,<o:p></o:p></span></p>
<p style="background:white"><span style="color:black">so I stoped thinking about it.<o:p></o:p></span></p>
<p style="background:white"><span style="color:black"><o:p> </o:p></span></p>
<p style="background:white"><span style="color:black">Gerd<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black">Von:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"> mkgmap-dev <<a href="mailto:mkgmap-dev-bounces@lists.mkgmap.org.uk">mkgmap-dev-bounces@lists.mkgmap.org.uk</a>>
im Auftrag von Mike Baggaley <<a href="mailto:mike@tvage.co.uk">mike@tvage.co.uk</a>><br>
<b>Gesendet:</b> Mittwoch, 27. Juli 2016 12:26:31<br>
<b>An:</b> 'Development list for mkgmap'<br>
<b>Betreff:</b> [mkgmap-dev] Roundabout checks</span> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi, I wonder whether we could add a check that any highways joining onto a roundabout only do so at the end of way, and that no more than one way joins the roundabout
at any given node? This would highlight roundabouts that do not adhere to the rule of having a separate node for each entrance and exit – I believe these cause the GPS to display the incorrect exit number when routing. I suspect this check would too complex
to be done in a style file.<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">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Mike<o:p></o:p></span></p>
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