Developer

Tutorial 6 - Working with vector attribute tables

In my last tutorial I showed you how to create temporary objects on the map canvas. Today I will giving you a basic introduction to using QgsFeatureAttribute - which allows your to retrieve the attributes for a feature in a vector layer. The attributes are descriptive data related to the geometry of the feature.

Note this is a repeat post since the original copy of this article disappeared from the blog.

First lets take a look at what we will achieve in this tutorial.

Tutorial 4 Adding rasters to the QGIS map canvas

In my last tutorial I showed you how to label vector features on the map canvas. Today we will take a brief look at how to add a raster map to the canvas.

Note his is a repeat post since the original version of this tutorial disappeared from this blog.

QGIS 0.9.1 Bug Triage

QGIS 0.9.1 is on its way in early December. For the month of November we are holding a Bug Fixing Triage to squash as many bugs as we can. If you would like to partipate by claiming some bugs, please contact me with your bug id's at tim@linfiniti.com. Happy bug hunting!

Bleeding Edge: Fun with the Qt 4.2 Graphics View Framework

Hi, my name is Brendan. This is my first blog post.

QGIS developers might remember me from my work on the WMS provider and the vertex editing functionality around the middle of 2006. Then I dropped out for a while.

Well, Easter afforded me a little spare time to revisit the QGIS code base. I noticed that so I started having a go at turning the Qt 4.2 Graphics View framework into a first class provider of map rendering to QGIS.

Building QGIS on Mac OSX

About 4 months ago my hard drive and various other gubbins in my MacBook died. I spent then next three and a half or so months running the laptop off an external hard drive which has a bootable backup I had fortuitously made two weeks before the drive crash. After the MacBook was repaired a few weeks ago, I was handed back a clean slate in terms of the operating system install.

QGIS 0.8 Native Build Status Update

First of all thanks for the many comments and tests that people are carrying out on the windows test builds - we've had over 2000 downloads of the snapshots builds and the preview2 release for windows (combined) so I guess there must really be people using windows OS out there. :-)

High Level Architecture Diagram for QGIS

Lorenzo on IRC (nick: ciccio81) was looking for a high level diagram of QGIS for a university presentation on GIS and I realised we dont really have one! So I spent an hour or so knocking this together (open the image on its own for a non scaled version):

A Poll on the QGIS Sponsored Developer Programme

Well its been an interesting few weeks with the launch of our sponsored developer programme. You can see a nice pie chart here showing where all the money has come rolling in from.

In the around 2 weeks since we started the sponsorship drive we have already received $1152 in donations.

QGIS Native Windows Build - GRASS Support Added

Today Freddy (Godofredo Contreras) and I hacked around a bit more on the Windows native build of QGIS. I've set up the build system to build both debug and release versions of QGIS at the same time. The idea is that users wishing to assist in the bug resolution process can run the debug versions and provide more detailed feedback provided by Dr Mingw crash reports, the console output (only present in the debug version) and, for the geekier folks out there, by using gdb to step through the code and provide stacktraces.

Help Wanted : QGIS Native Windows Build

So some of you may know that I have been working on a native Windows build for QGIS. It uses Mingw and Msys compiled dependencies. This is to provide and alternative / replacement build environment for the chrooted cross compilation process under Linux. By creating a native Windows build environment we hope to attract mode QGIS devs who are more used to working on the Windows platform.

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