Andreas
there are no file that contain all the roads of all the country in the
world.
the roads.shp Chris Tweedie used in his example only contains the roads he
needed for his project.
there are a few free data set of roads, like the Tiger for the USA
have a look at http://data.geocomm.com/catalog/index.html maybe they have
some for your area (you must register to be able to get any files,
registration is free, some files may be not free) Read the text on that page
if you can find some data for your country, you can try to import them into
postgis. maybe you will need to modify them, as they may not be usable
directly
if there are no free data, you may eventually contact the universities in
your country, maybe they have some data that is not available directly on
the web
otherwise, you will have to pay.
regards
Oliver
Hi Lists!
At this link:
http://chris.narx.net/2005/12/14/build-your-own-routing-solution/
There are talks about roads.shp (required at step number 7.)which I did
n't
find when I downloaded the
pgdijkstra.
Any one knows where to find on the net so that I can
Best regards,
Andreas Mtota
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