Thanks for the updates. Quite useful Jochen Topf wrote: > Long ways are a potential problem if you have long segments with no nodes in > it. One problem is when you draw a small part of the map that has a line going > through it but no nodes in it (because they are all outside), the line might > not show because the software doesn't recognize this. You can run into this > when > using Osmarender for instance. I don't really like saying this, but isn't this a "don't map for the renderer" case? > Another problem ist the projection. Straight > lines on the earth are not necessary straight lines in some projections. They > should show up as curves. But if you don't have enought supporting nodes, you > don't get nice curves. What projection does a map such as mapnik etc display apart from directly above? > This view warnes you that you might run into those > kinds of problems. It doesn't mean that your data is wrong. It means that in > some cases your data might not be interpreted in the right way. > > Jochen > cheers dave f.
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