Questions for all the GIS experts out there:
1. qGIS offers a choice of many formats importing data via "Add Layer." I
noticed one of these is "CSV." Does anybody know details of the csv format
in gQIS? Would I be able to export my bike graph to CSV and view it in GIS
that way? I'm imagining csv with rows of [Lat,Lon,Value1,Value2,...] for
nodes and [StartLat,StartLon,EndLat,EndLon,Distance,Value1,Value2,...] for
2. Another format qGIS supports is '.sql' file -- I think this is sqllite.
What would such a file look like and where would it come from? If I have a
programmed sql file generated using "pgsql2shp" could I read that in
directly some way? I'm guessing not, have to run it in a PostGIS DB and then
connect to the DB. Does anybody do this regularly now?
3. What is GRASS. Do I need it?
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