<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:arial,helvetica,sans-serif;font-size:10pt">This message did not get thru the server. So I resend without hyperlinks.<br><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt;"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br><meta http-equiv="x-dns-prefetch-control" content="off"><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt;"><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt;"><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt; color: rgb(0, 0, 0);">The rules for tracing rivers when we encounter island are not clear to me.<br><br><span>It seems from documentation of the tag waterway=riverbank (wiki tag:waterway)) that there should be only one way, and that a
relation should take care of this situation.<br><br>Also, we can merge ways only when both nodes are end points.</span><br><br>But I see rivers where two ways have been traced around islands,<br><br><span>For Example, Les Trois Rivières, way=49375347 have few segments around islands
wich are not merged. Should these segments be considered as duplicates. Otherwise, how should they be treated.</span><br><br><br><span style="font-style: italic; color: rgb(0, 0, 191); font-weight: bold;">Pierre Beland<br></span><div><br></div>
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