The first permanent earth observation satellite, today known as Landsat 1, was launched 33 years ago. With a ground resolution of 80 metres, the Landsat Multispectral Scanner images provided an...

Population explosion and rapid urbanisation in India over the past two decades has introduced problems associated with informal settlements. Lack of local authority current and accurate databases complicates any preventative...

It’s used in the supermarket. It’s used in logistic centres. Surveyors use it on the rod of their digital levels. It goes 'beep' and all kinds of data is recorded....

Several years ago Navarre (Spain) implemented a Land Information System (SITNA) within its corporate Information System. Notwithstanding the success of this initiative there remains a lack of metadata, an issue...

Intergraph Mapping and Geospatial Solutions (AL, USA) has announced GeoMedia Grid 5.2 is now shipping worldwide. GeoMedia Grid provides integration of vector and grid data formats for viewing and analysis....

The land surveying and registration system in Namibia covers only part of the country. There is frustration at the slow pace of planning, survey and registration of land rights and...

Carmenta has been delivering mission-critical Geospatial Information Technology (GIT) and map-based operational systems for more than a decade. We have focused primarily on the aviation and defence markets, but are...

The internet has created tremendous potential for the dissemination of geo-information for decision making. Scalable Vector Graphics (SVG) is an Open Source technology that can be efficiently used by the...

Developments in geo-technology move almost faster than a ray of light and as a consequence the daily work of a surveyor has been changing dramatically over recent years. Digitalisation of...

Toposcopy combines geo-referenced visualisation and close-range photogrammetry, using low-cost digital camera and CAD data. It has recently been successfully used to reconstruct a simulated traffic accident from video images. The...