[postgis] JTS vs Java2D

[Doug Nebert]

Paul Ramsey wrote:

> The fundamental thing to note about plans for merging the JTS spatial
> algorithms into the PostGIS is that (failing some big change to
> PostgreSQL to allow server-side Java) step one will be a port of JTS
> from Java to C++. Once that is accomplished, the merge becomes less
> problematic. The goal would be to have JTS (now C++TS) still formed as a
> library which can be used independantly of PostGIS if necessary (like,
> on the client side, as in your example).

The way that significant components of Simple Features (predicates
and spatial operations) tend to be implemented in RDBMS is as stored
procedures or references from the database to external programs to
perform the operation. It seems this would be the place that the methods
you seek might be integrated, for they extend (are not native to) the
database but are invoked in consistent ways. Oracle and other RDBMS
allow java methods in the database kernel to do this kind of thing.

Doug.

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