Some answers to frequently asked questions (FAQ) about PostGIS.
- How do I import/export raster data?
- How do I perform a coordinate reprojection as part of a query?
- How do I use spatial indexes?
- Should I use the geometry type or the geography type?
- When I view a geometry column in PgAdmin it is blank, why?
- Why does the intersection of A and B not intersect A or B?
- Why is the geography intersects function wrong?
- Why is working with big shapes slow?
- Will the GPL license used by PostGIS force me to release my source code?