Hi, Tobias, Tobias Nothdurft wrote:
> But there has to be a gain to link my programm with some kind of database > when i > have to handle hundreds or thousands of objects! :) So how do I accomplish > this > connection? With the WKT-reader and -writer? Yes, or you can use libpqxx directly. Databases provide you with a higher layer of abstraction. With PostGIS, you can e. G. load all your linestrings in a table, create an geometrical index on it, and then easily and efficiently fetch all linestrings in a specific area with a query like: SELECT * FROM mytable WHERE the_geom && 'BOX(1 2,3 4)'::box2d; HTH, Markus -- Markus Schaber | Logical Tracking&Tracing International AG Dipl. Inf. | Software Development GIS Fight against software patents in Europe! www.ffii.org www.nosoftwarepatents.org
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