JON FAIRALL On 26 December 2004, a devastating tsunami, triggered by the Great Sumatra-Andaman earthquake, hit Banda Aceh. The wave killed more than 186,000 people in Aceh, but the UN puts the overall casualty count at 229,866. Indonesian government figures cite 513,278 refugees in the weeks following the disaster. Whatever the final toll, it was […]
Search results for "GIS"
Adding Value to Spatial Information
ED GARVIN The rapid growth of interest in such websites as Google Earth and Virtual Earth has been an overall benefit to the spatial industry. However, there has been much discussion regarding the use of the spatial information from these websites. It is centred around the value that they add, the value that they imply […]
Satellite-Based Augmentation Systems
ROBERT LORIMER America has the wide area augmentation system (WAAS), Europe the European GNSS overlay system (EGNOS), Japan the multifunction satellite augmentation system (MSAS) and India is launching its GPS-aided Geo-augmented navigation (GAGAN) system. They are all satellite-based augmentation systems (SBAS) and are already delivering improved accuracy and integrity for GPS users over much of […]
Designing Maps for the Web
JOSE DIACONO Good cartography for online mapping is about what you show, how you show it and how fast. No matter how current and correct your GIS information, such distractions as slow display, spidery fonts, obscure icons or cluttered symbology will turn off an increasingly demanding public. They just need answers. Unfortunately, however, it is […]
Mapping the Sydney Underground
JON FAIRALL Tough new penalties await contractors who interrupt electricity and gas supplies in Sydney. The legislation, which allows for five-year jail terms, has passed through the New South Wales Parliament and is now awaiting Royal Assent. It follows a series of power failures in Sydney’s central business district in March. The legislation is a […]
Victoria’s Notification and Editing System
JOSE DIACONO As a rule, 75 per cent of the cost of a spatial system is in the data. Inevitably, some of this data will change or be wrong, so there are huge benefits to be gained by putting the people who find the problems in touch with those who fix them. At the […]
NSW Introduces CORS Network
JONATHON POWERS The NSW Department of Lands is rolling out a $6 million electronic survey infrastructure. When completed, the entire state will be covered by a network of continuously operating reference stations that receive signals from navigation satellites. The project will increase the absolute accuracy of the survey control network. Currently, the survey […]
Surveying at Sea: Setting Professional Standards
SIMON IRONSIDE The Australasian Hydrographic Surveyors Certification Panel is seeking international endorsement for its certification process. If accepted, the process would become the national competency standard for hydrographic surveyors in New Zealand and Australia (subject to regulatory approval) and the certification would be recognised internationally. To this end, the AHSCP has applied to the […]
Inside GEOSS
PARVIZ TARIKHI At the World Summit on Sustainable Development in Johannesburg in 2002, delegates highlighted the urgency of co-ordinated Earth observation. The following year, the meeting of the Group of Eight leading industrialised countries (the G8) in Evian, France, gave shape to this urgency by setting priorities for Earth observation. These meetings recognised that international […]
Introducing the New Epson Stylus Pro 7700/9700
These new four colour printers with exceptional speed and superior quality output are designed to assist architects, engineers, construction companies, GIS professionals and retailers to expand their businesses. The Epson Stylus® Pro 7700 (24 inch wide) and Epson Stylus® Pro 9700 (44 inch wide) four colour large format printers are designed to deliver enhanced productivity […]
