Thinking in GIS

Thinking in GIS

• A day with GeoDjango
  This time i will introduce a really brilliant framework that every serious Web/GIS developers should be aware of: GeoDjango. Django is a Python Web framework for agile developers. It implements best web frameworks practices like coding by convention, MVC, ORM, REST, URL dispatcher and so on. Django is for Python what Rails is for Ruby, Grails [...]
• A day with TileCache: generating KML Super-Overlays
  My friend Diego Guidi is the smartest GIS/.NET developer I personally know here in Italy. He is the developer of NetTopologySuite, the port in the .NET world of the popular Java’s JTS Topology Suite from VIVID Solutions. I wanted, sooner or later, write some stuff here about WMS and TMS, and now I am very [...]
• Spatial Database for Postgres and ArcGis users: how to choose
  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 [...]
• A day with FeatureServer #2
  In the previous post we have seen an introduction to FeatureServer, and we were just playing with the base edit sample, with the scribble layer. Now it is time to use FeatureServer with our datasets: I am assuming that you will want to create FeatureServer services for shapefiles, PostGis layers, OpenStreetMap, Twitter and Flickr. Data preparation for [... […]
• Do you get errors in the mapscript c# tutorial?…
  …well, this is the solution to your problems (at least I hope so). I am continuing receiving emails from people in despair that cannot successfully use this tutorial. I am sorry but I cannot answer to all this emails, so I thought to write this post in order to allow people to configure it correctly. BTW, this [...]
• A day with FeatureServer #1
  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 [...]
• Installing PostGIS on Ubuntu
  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 [...]
• Installing MapServer on Ubuntu
  With this post I will show hot to install MapServer 4.10.3 in Ubuntu 7.10 (but this procedure should work also for previous Ubuntu versions) from repositories. 1) set Ubuntu sources needed for this software Add universe ( http://archive.ubuntu.com/gutsy/universe ) and multiverse repositories to your sources (by default are not in Ubuntu) sudo gedit /etc/apt […]
• Installing Zope and Plone from source on Ubuntu in 10 easy steps
  Here are my notes for installing Zope and Plone from source in Ubuntu. I took this notes installing on 7.10 (Gutsy) but should work without problems for earlier Ubuntu versions, and for other Linux platforms -1- install libraries needed for build (build-essential) and Zope sudo apt-get install build-essential python2.4-dev python-lxml python-elementtree pyt […]
• Ruby on Rails applications with Mongrel cluster and Apache url rewriting on Windows
  In the last post I showed you a configuration for serving Ruby on Rails applications with Mongrel cluster and Apache in a *nix environment (Ubuntu). With this post I will reproduce the same configuration in a Windows environment. The main difference in Windows is that you cannot use the mongrel_rails command with the cluster option (provided [...]