hi~ my name is kang-hae kyong. i'm korean.
i have two question.
one is
topological data structure of postgresql.
i wonder that
how to related each spatial object-point, polygon, path..
in postgres.
another is..
process of spatial operator.
eg: 'contains' search points in polygon.
how to search??
how to relate between point table and polygon table.
(the table has only set of coordinate..)
where reference book or site ...talk to me, please.
i hope to your reply.
have a nice time~ bye~
