<br>Yes, I haven't been blown away by the map quality in Australia. I am using the<br>latest Sensis maps on a TomTom and there are two errors within 500m of<br>where I live that result in incorrect directions ;-(<br><br>
I also found that the sensis maps (or maybe the tomtom ignores) don't know<br>when a road is un-sealed, which led to a rather unpleasant trip ;-(<br><br>cheers<br><br><div><span class="gmail_quote">On 7/24/07, <b class="gmail_sendername">
Ian Sergeant</b> <<a href="mailto:isergean@hih.com.au">isergean@hih.com.au</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Well, I'm Ian, and I live in the southern suburbs of Sydney.<br><br>I've just returned from a couple of weeks driving around Darwin and and<br>Katherine, and in the last few weeks I've aligned the Stuart Highway to the
<br>GPS traces, and added roads through Katherine, Darwin, and through<br>Litchfield National Park, and a few others. Thanks to whoever did the<br>first pass through these areas from the Yahoo Imagery, as I did find it<br>
easier to work from the GPS traces in an area where some features are<br>already filled in.<br><br>I was also using tomtom around the territory, and it is quite amazing how<br>poor the mapping data was, with the highway deviating from the mapped path
<br>so much, and many roads altogether absent. I think I can say that the new<br>OSM data is much more accurate, with my Garmin 60CSx generally maintaining<br>3m accuracy and logging points every second or so.<br><br>I've also mapped part of the North Coast of NSW, parts of southern Sydney,
<br>and some of the roads down and through to Nowra and Kangaroo Valley.<br><br>I'm currently gathering more accurate street data around the northern parts<br>of the Sydney CBD. Although this is a filled in area already, some of it
<br>lacks a bit of accuracy. Because of the canyoning effect, I'm using the<br>averaging feature of the 60CSx, which seems to give good results, but just<br>requires looking a bit stupid standing on a street corner for 60 seconds or
<br>so to get a good reading.<br><br>Ian.<br><br><br>_______________________________________________<br>Talk-au mailing list<br><a href="mailto:Talk-au@openstreetmap.org">Talk-au@openstreetmap.org</a><br><a href="http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/talk-au">
http://lists.openstreetmap.org/cgi-bin/mailman/listinfo/talk-au</a><br></blockquote></div><br><br clear="all"><br>-- <br>Franc