[Geotools-gt2-users] EPSG Query In Relation To Shapefile

[nvidia <luo...@ho...>]

Hi,

      i'm reading the EPSG site, http://www.epsg.org/, and i'm trying to understand how the codes relate to the use of displaying a shapefile. However, i'm finding it difficult to understand. From what i'm gathering, it is a group of people that do surveying, store them as EPSG geodetic parameter datasets which are coordinates describing where things are and that is about it. How do these codes like EPSG:4326 relate to the projection of a shapefile?

Hope that is clear.

Cheers 
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