opensource

OpenSource Upgrades

Moving to new versions in OpenSource has in the past been like playing Russian roulette. Just now clicking on “Upgrade to WordPress 3.0” I thought would lead to a greater understanding of the database schema, template inconsistencies, and plug-in idiosynchrocies of WordPress as I met an inevitable “Upgrade Failed. Please see log for details” message. […]



Stack Overflow & OSGeo

Stack Overflow, as most developers will already know, is a question and answer site for programmers. It’s perfect for mainstream development questions in any programming language, and has also become the support site of choice for some newer programming communities such as Android developers. It can also be used as a barometer to see which […]



Automated WMS Reports

This post details how the WMS GetCapabilities request can be used to create an automated report listing all the map layers available from a WMS server. The final sample page can be seen here. The GetCapabilities Request Web Mapping Services (WMS) is an open standard that all major GIS vendors implement in their server software […]



Mapfish JavaScript Toolbox

Mapfish is an open-source web mapping framework built using the Pylons Python web framework for “creating web services that allow querying and editing of geographic objects.” However the server-side functionality of the system I am currently working on is already handled by SQL Server 2008 Spatial and MapServer. What interested me more was that Mapfish […]



Quantum GIS and MapServer

One of the main barriers I had to using MapServer as a web GIS server was that layers had to be symbolised in a text editor, using a MAPFILE. It was cumbersome to keep editing and refreshing a browser, there was no easy way to check for errors, and you have to learn the syntax […]