Hi, Tobias, Tobias Nothdurft wrote:
> But which parts do i have to use, if I want to use the quadtree-functionality > of > GEOS in my programm? Only GEOS itself or PostGIS and PostgreSQL to? Do i have > to > set up a database myself first or does GEOS this job for my? If you want to use the quadtree-functionality of GEOS for some goemetry processing, you don't need PostgreSQL and PostGIS at all. GEOS is just a geometry processing library, geos by itsself doesn't do anything with databases. You can use PostGIS/PostgreSQL for storage of your geometries, or GDAL/OGR, but you don't have to. 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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