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Surveying work acquisition and allocation methods to change
by Clare van Zwieten, editor
 The Gauteng Department of Roads and Transport (GDRT) is evaluating alternative procedures for acquiring survey workto meet the mandated service delivery levels. Henk Bresler from the GDRT has called on surveyors to assist with the evaluation and suggest possible new ways of acquiring and allocating surveying work which the department is unable to handle itself... ( more) |
Advertising is key to unlocking LBS revenuesby Jacques Swanepoel, Cellfind
 Social networking, asset tracking, marketing and security applications are set to drive the growth of South Africa's location-based service (LBS) market over the next 2 years, creating and driving significant new revenue opportunities for mobile network operators. There is growing adoption of a wide range of LBS offerings among SA consumers and businesses... (more) |
Karoo fracking debate triggers legislative overhaulby Matt Ash, Norton Rose Fulbright
 The debate on fracking of the Karoo's shale gas reserves continues to rage. There are strong arguments both for and against harvesting the gas which could potentially alter South Africa's energy and development outlook for many years to come. The issue has also triggered major legislative changes including extending state powers for the expropriation of land... (more)
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Zen and the art of GIS communication
by Brandon Brown, City of Dublin
 Expectations of spatial knowledge providers have risen as people have become more geographically literate. To meet these demands and to facilitate spatial thinking, we need to deliver accurate, timely data that is easily found, consumed and understood on any device... (more) |
Monitoring of mine tailings using satellite and lidar data
by Prevlan Chetty, Southern Mapping Geospatial
This study looks into the use of high resolution satellite imagery from RapidEye and WorldView 2 sensor systems in conjunction with high resolution lidar data for mine tailings pond rehabilitation monitoring in South Africa... ( more) |
Clipping map marginalia from NGI raster map productsby Raoul Duesimi, Department of Rural Development and Land Reform
The Chief Directorate: National Geo-spatial Information (NGI) receives numerous enquiries related to the clipping of the 1:50 000 and 1:250 000 map series product. This article addresses these problems and suggest proposals to provide a map without marginalia (surrounds), yet retaining the integrity of the map... (more) |
Seven tips to succeed in big data in 2013
Information from Tableau Software
What a year 2012 was for big data. From the White House to your house, it's hard to find an organisation or consumer who has less data today than a year ago. Database options proliferate, and business intelligence evolves to a new era of organisation-wide analytics. And everything's mobile... (more) |
Land cover mapping of North West province completed
Information from Department of Rural Development and Land Reform
The Chief Directorate: National Geo-spatial Information (CD: NGI)provides accurate, up-to-date and accessible national mapping and other geospatial information. CD: NGI has expanded its offerings to include programmatic land use and land cover mapping... (more) |
New GIS tools and geospatial data sets for surveying and mapping
Information from SMC-Synergy
Soil maps now support various decision making processes in agriculture, urban planning, engineering and environmental resource management. Soil surveys and map production remain xpensive and time consuming. New geo-informatics technology should be investigated to conduct these surveys more cost effectively... ( more) |
Creating business value through location-based intelligenceby David Loshin, Knowledge Integrity
This article explores the value of location within both operational and analytical applications with the objective being to provide an introduction to "location-based intelligence" as it relates to the common view of an "address," as well as to provide an overview of geocoding and geographic data services... (more) |
Bespoken health system and spatial information dissemination tool
by Francois Venter, Gauteng Department of Health
The purpose of this article is to discuss and demonstrate the findings of an in-house, proof of concept, pilot project that was conducted on the use of an intranet open source system to migrate an existing old proprietary intranet GIS system, which was no longer supported by the vendor... (more) |
Spectral classification using lidar and hyperspectral data - Part 2by Laven Naidoo, Moses Cho, Renaud Mathieu, CSIR; Gregory Asner, Carnegie Institution for Science; and Frank Eckardt, University of Cape Town
A new novel decision tree multiple end member Spectral Angle Mapper (SAM) classification approach was introduced and tested against a traditional straightforward multiple end member SAM classification approach to detect and classify eight common savanna tree species in the Sabi Sands and Bushbuckridge region... (more) |
