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This is an R-Tree implementation using GiST for spherical objects like spherical points and spherical circles with useful functions and operators.

NOTICE: This version will work only with postgresql version 9.1 and above.

INSTALLATION:

-- build and install gmake USE_PGXS=1 PG_CONFIG=/usr/bin/pg_config gmake USE_PGXS=1 PG_CONFIG=/usr/bin/pg_config install -- load extension psql -c "CREATE EXTENSION pg_sphere;"

REGRESSION TEST (as the same user as the currently running postgresql server):

make USE_PGXS=1 installcheck

LONG REGRESSION TEST:

make USE_PGXS=1 crushtest

The 'make' program must be compatible with GNU make.

For more information, have a look at http://pgsphere.projects.postgresql.org and https://github.com/akorotkov/pgsphere

Have a lot of fun!