[postgis] polygon intersection function
Adrian Custer
acuster at nature.berkeley.edu
Wed Jan 23 12:11:09 PST 2002
Wohoo Computational Geometry,
So the Java Topology Suite is one cannonical Free Software source of
information:
http://www.vividsolutions.com/jts/jtshome.htm
Apparently the PostGIS team is going to port this as it's in Java. Last
I understood it was going to be ported to C++ (but I've been ignoring
this list as much as I could stand to while Gnumeric was on the way to
1.0).
For other information search the FreeGIS web site:
http://www.freegis.org/
good luck,
adrian
acuster at nature.berkeley.educational (you know what to drop)
On Wed, 2002-01-23 at 11:59, simon mercier wrote:
> hi
>
> I need a function that give area from intersection of polygon geometry
> in Postgres. From previous comment of Dave B., we see that polygon
> overlay function is style in the TODO list... :( Is there someone
> already work on this type of function? I find in mapserver list
> archive(from Stephen Lime) a C library to do this function.
>
> http://www.cs.man.ac.uk/aig/staff/alan/software/gpc.html
>
> Is there other library to do this or anything else to help me?
>
> --
> Simon Mercier
> Direction des technologies de l'information
> La Financière agricole du Québec
> 5825, rue Saint-Georges
> Lévis, Québec,Canada G6V 4L2
> http://www.financiereagricole.qc.ca/
>
>
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