On 3/9/07, <b class="gmail_sendername">Curt, WE7U</b> <<a href="mailto:archer@eskimo.com">archer@eskimo.com</a>> wrote:<div><span class="gmail_quote"></span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
I don't know if this is of interest, but I've personally used<br>"gpsbabel" to snag user-drawn data out of National Geographic Topo<br>save-files, saving them to GPX format. I then used "gpx2shape.pl
"<br>to convert them to Shapefiles, at which point I could suck them into<br>any GIS app. Worked well.</blockquote></div><br><br>gpx2shp, though written in C not C++, might provide some good code/ideas related to translating gpx constructs into a GIS data structure.
<br><br><a href="http://gpx2shp.sourceforge.jp/">http://gpx2shp.sourceforge.jp/</a><br><br>-- <br>Matthew T. Perry<br><a href="http://www.perrygeo.net">http://www.perrygeo.net</a>