[postgis-users] PostGIS and .NET?

Obe, Regina DND\MIS robe.dnd at ci.boston.ma.us
Fri Nov 14 04:36:43 PST 2003

I also realized that there are 2 open source PostGreSQL.NET implementations
out there.

1) There is the one I've used Npgsql - which came out of the Mono Project
2) There is a new one -  which I suspect is only compatible with PostGres
7.4 and above, but it seems to inherit from the base Npgsql classes (above
and adds on additional functionality).

This second version supports the native postgresql geometry types (not the
PostGIS geometry types), but it may be worth taking a look at.

-----Original Message-----
From: Peter Aberline [mailto:AberlineP at willis.com]
Sent: Friday, November 14, 2003 3:08 AM
To: postgis-users at postgis.refractions.net
Subject: [postgis-users] PostGIS and .NET?

Thanks, Regina and Paul for your the suggestions about this. I actually had
an idea of putting these classes through J# - which allows Java syntax code
to run in .NET. Another idea I had was to use the old J++ product to
compile the Java classes into COM components and then use the .NET/COM
interop functionality.

I'm not so interested in graphical visualisations, as I want to access the
GEOS (  :-) !!!) functions to do come spatial relationship computations.

If I get anywhere, I'll send you the code.


Date: Wed, 12 Nov 2003 16:56:32 -0500
From: "Obe, Regina     DND\\MIS" <robe.dnd at ci.boston.ma.us>
To: 'PostGIS Users Discussion' <postgis-users at postgis.refractions.net>
Subject: RE: [postgis-users] PostGIS and .NET?
Message-ID: <B318FD8D29DCD411BD0500D0B7A91C6701BD7145 at jupiter>
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Reply-To: PostGIS Users Discussion <postgis-users at postgis.refractions.net>
Message: 2

 I was interested in something similar too.  I was thinking of subclassing
the PostGreSQL.NET driver and basically taking the existing Java classes
that Refractions has provided and converting that to its C# equivalent.
Looking at the code I think it should be a fairly straight forward
conversion and probably a lot of it can be automated with the Java to .NET
conversion tools.

Although I don't know too much about the graphical rendering side of things
when it comes to using it in a meaningful way.


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