Hugo Chavez, Venezuela's controversial leader has died. His 14 years in power in which he championed the poor and fought to close the gap between the poor and the rich, saw him win four presidential elections. In SA we are seeing a rise in service delivery protests especially in areas scheduled for visits by political big wigs. Our poor have learnt the hard way... (more)

Mining's contribution to sustainable development

Monitoring railway tunnel construction

Multibeam echo sounder surveys Cape Town harbour

Analysis of the Lesotho cadastral system Part 2

The current, pre-reform, cadastral system of Lesotho is analysed using a case study and viable systems modelling (VSM). Part 1 described the research methodology and provided an operational overview of the Land Surveys and Physical Planning (LSPP) department. Part 2 focuses on the modelling of the LSPP... (more)

Enhancing community participation when planning informal settlements

Using a case study in Stellenbosch, this article reports on how GIS can be used to bridge the gap between municipalities and informal settlement communities. It presents a methodology that encourages  community participation in creating an end product that can be used by technical expertise in the municipality for planning... (more)

Unemployment in SA: building a spatio-temporal understanding

  

Spatial understanding of unemployment in SA is often limited to provinces. This article explores ways to integrate unemployment data from 1991 to 2007 to obtain a spatially more detailed understanding of the phenomenon. Creating a temporal GIS is challenging... (more)

Investigating automatic change detection of topographic features

Changes to the landscape are constantly occurring and it is essential that these changes are regularly detected and captured, so that map databases can be updated. SA's national mapping agency relies on manual methods of detecting and capturing changes. These manual methods are time consuming and labour intensive... (more)

An image mosaic, or photomosaic as the name suggests, is a mosaic created using images. When viewing the photomosaic from a distance, images combine to create the visual effect of one larger image. This image is called the target image while the images making up the target image are called tiles... (more)

Route optimisation toolset

AfriGIS, a leading geographical information and communications solutions provider has integrated some of its most popular services to provide a powerful routing and scheduling toolset. The toolset caters for live and historic traffic. It also facilitates the matching of planned and actual scenarios... (more)

Controlling rhino poaching is one of the many tasks that fall under managing the Kruger National Park. With 2-m hectares of diverse flora and fauna, and only 300 field rangers, monitoring the park is a logistical nightmare. However, the use of innovative technology and customised open-source software makes this possible... (more)