PositionIT e-News
 
GIS, GPS, surveying and spatial applications in Southern Africa

     Issue 37, April / May 2012  

Feedback on OSD and GISc professional registration
by Heindrich du Plessis, Department of Rural Development and Land Reform

Heindrich du Plessis I am encouraged with the positive feedback from respondents to the articles in the previous issue of PositionIT on Occupation Specific Dispensation (OSD) and GISc professional registration. It leaves me with no doubt that the majority of geomatics persons in understand the importance of professional registration supported by an appropriate qualification... (more)
Identifying SA's data custodians - easier said than done
by Clare van Zwieten, EE Publishers 

                            

Clare van ZwietenKey stakeholders from across the geospatial sector gathered at the offices of the Development Bank of South Africa (DBSA) on 4 May 2012 to discuss the results of a study, commissioned by the Committee for Spatial Information (CSI), on determining the criteria for defining and identifying South Africa's core spatial data sets and data custodians... (more
Entrepreneurial insights - don't discount, sell smart!
by Pavlo Phitidis, Aurik Investment Holdings 

 

Pavlo PhitidisWhen times are tough, the not-so-tough get discounting. The temptation to "give away" what you can't sell is strong, but it's a guaranteed hiding to nowhere. Sure, you're getting turnover, but profits are small (or non-existent), there's no customer loyalty, and when times improve will those customers to stick with you and pay more... (more)
PositionIT Inbox: Letters to the editor 

I read two articles in PositionIT - "OSD complicates professional registration" and "Tensions at GISc Professional Registration workshop", and I like your closing remarks which put the onus on people working in GISc to strive to achieve the highest qualification rather than trying to force PLATO to lower their standards... (more)

    

Keynote speakers for GISSA Ukubuzana 2012
by Clare van Zwieten, EE Publishers

GISSA and EE Publishers announce that Dr. Georg Gartner, president of the International Cartographic Association, and J Kim Fennell, CEO of DeCarta, have been confirmed as keynote speakers at GISSA Ukubuzana 2012, which is being held from 2 to 4 October 2012 at Emperors Palace in Kempton Park, Gauteng... (more)
Early bird discount for delegate registration for GISSA Ukubuzana extended to 18 June 2012
by Clare van Zwieten, EE Publishers

GISSA and EE Publishers advise that the 10% early bird discount for delegates registering to attend the GISSA Ukubuzana 2012 conference and exhibition from 2 - 4 October 2012 at Emperors Palace in Kempton Park, Gauteng, has been extended till 18 June 2012... (more)
Measurement of whitewater using a 3D laser scanner
Information from Topcon

The use of 3D laser scanning for recording of whitewater facilitates improvements to current methods of hydraulic modelling. Laser scanning is a sensitive measurement tool. Although the precise measurements are extremely fast and accurate, this measuring method can be sensitive to certain environmental conditions... (more)
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Terrestrial laser scanning for tunnel deformation measurements
by Timothy Nuttens et al   

Terrestrial high resolution laser scanning is being used for geodetic deformation measurements of civil technical constructions e.g. newly built tunnels. This paper deals with the error values during processing of a measured tunnel section and the final determination of the deformations based on 3D laser scan point clouds... (more)
Powerline survey made easy with laser scanning
Information from Maptek

The Maptek I-Site 8800 laser scanner was deployed to locate conductors on powerlines to test the suitability of the method for sag profiling. The power transmission lines near Carina in Queensland, Australia, are strung between towers over a 300 m span, with 24 unique wires to differentiate... (more)
Developing a geo-data frame to facilitate data integration (Part 1)
by Gerbrand Mans, CSIR

This article discusses the development of a disaggregation procedure for socio-economic data based on the principles of dasymetric mapping and areal interpolation in order to develop a flexible geo-data frame which allows the data to be assigned to different demarcations seamlessly. The geo-data frame is based on the Spot Building Count points dataset from Eskom... (more)
Competencies in Geographical Information Science
by Heindrich du Plessis, Department of Rural Development and Land Reform, and Adriaan van Niekerk, University of Stellenbosch 

The geospatial information enterprise is large and growing. Organisations need skilled and talented people in order to be successful. This has led to the emergence of GISc as a new and emerging profession begging for education opportunities that truly reflect the demands of the employment market... (more)
Panama Canal area mapped for new locks
Information from Fugro 

The expansion programme of the Panama Canal required a high accuracy survey to be carried out. Fugro's FLI-MAP airborne lidar system was used to generate an accurate model of the area for design purposes.The Panama Canal is an 81 km long stretch of water consisting of locks, canals and a lake... (more)
3D object segmentation of point clouds (Part 2)
by George Sithole, University of Cape Town and Willard Mapurisa, ComputaMaps 

In the automatic processing of point clouds, higher level information in the form of point segments is required for classification and object detection. Point cloud segmentation allows for the definition of these segments. An extension of a segmentation approach based on intersecting profiles is proposed... (more)
GIS data collection for flood risk management
by Kevin Musungu, Siddique Motala and Julian Smit, University of Cape Town

A case study of a flood prone informal settlement demonstrates a methodology for the collection and integration of community based information into a GIS that can be used for risk assessment, and shows how data collected from communities can demonstrate micro levels of vulnerability and guide risk management strategies... (more)
Mobile GIS systems benefit utility companies
Information from Surveylab 

Utility companies are faced with costly and time consuming inventory assessment surveys. Two case studies involving a major power utility in New Zealand and a communications infrastructure company in the US, illustrate how an all-in-one mobile GIS system can reduce manpower costs and time lost to errors and inefficiency... (more)
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In this issue...
- Feedback on OSD and GISc professional registration
- Identifying SA's data custodians - easier said than done
- Entrepreneurial insights - don't discount, sell smart!
- PositionIT Inbox: Letters to the editor
- Keynote speakers for GISSA Ukubuzana 2012
- Early bird discount for delegate registration for GISSA Ukubuzana extended to 18 June 2012
- Measurement of whitewater using a 3D laser scanner
- Terrestrial laser scanning for tunnel deformation measurements
- Powerline survey made easy with laser scanning
- Developing a geo-data frame to facilitate data integration (Part 1)
- Competencies in Geographical Information Science
- Panama Canal area mapped for new locks
- 3D object segmentation of point clouds (Part 2)
- GIS data collection for flood risk management
- Mobile GIS systems benefit utility companies
- Views, comment and opinion
- Industry and institute news
- Training news
- Company and product news
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