Thinking in GIS

As many of you can have already read, ArcSDE for Postgres is coming out at ArcGIS 9.3 (it is currently in the release candidate state). It will let you store geometries in two formats, Esri geometry and PostGIS geometry, in the same fashion ArcSde for Oracle is letting Esri or Oracle geometries be stored. I have seen some interest in the GIS community about this new, and i was reading interesting posts by Bill Dollins, Paul Ramsey, James Fee and Dave Bouwman, so I thought i would post here my opinion. Plus, as some of you may already know, zigGis...
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Some friends already spoke me well about FeatureServer by Metacarta in the last weeks, so I already was waiting for having a bit of time to get started with it. Then James posted this on his blog, and my curiosity was definitely fired.So I decided to spend a day for installing and testing it, without thinking of the lack of documentation (FeatureServer is still a young project, so no wonder here if the only way to get infos is digging in the source code and posting to the mailing list). The day I considered to spend on it then spawned...
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With this post I will show how to install PostGIS 1.2.1 on Postgres 8.2.5 in Ubuntu 7.10 (but this procedure should work also for previous PostGIS/Postgres/Ubuntu versions) from repositories.I will also show you how to load and secure GIS data and how to access them with some cool OS GIS Client (QGIS, UDig and gvSIG).If you use this instructions together with my previous post, you will have a fully functional GIS Server Open Source Ubuntu workstation!-1- Install PostgresIf you haven't Postgres, you need to install it (PostGIS runs on top of it). Open an Ubuntu terminal, and type:sudo apt-get install...
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