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...

The ILRIS-3D laser scanner was launched in 1999 as a measuring system for 3D-point cloud collection. In October 2004 Optech launched its second-generation, tripod-mounted laser scanner, the ILRIS-36D. But getting...

Excessive groundwater extraction is probably the main factor causing land subsidence in urban areas of Indonesia. Decreases in groundwater level may reach 15 metres a year. Monitoring of land subsidence...

The 4th International Symposium on Digital Earth (ISDE) was held in Tokyo, Japan from 28th to 31st March 2005 with the theme ‘Digital Earth as Global Commons’. The more than...

Optech Incorporated focuses on the development, manufacture and support of advanced, lidar-based survey solutions. Established in 1974 as a privately held, Canadian-owned research and development firm, Optech was originally an...

Throughout history the physical and cultural environment has influenced location and distribution of settlements. One important question in archaeological research is what are the causal relationships between environmental factors on...

The debate on Spatial Data Infrastructures (SDI) has reached a level of maturity that encourages reflection and facilitates evaluation of past experience. The author considers some emerging trends in the...

DiMAC Systems s.à.r.l., a privately owned company established in Luxemburg in November 2003, focuses on developing and producing aerial digital cameras for photogrammetric and orthophoto requirements. The belief underpinning the...

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...

Developing countries still have a need for mapping systems that are low-cost, simple to operate by local operators, fast in production and yet meet the needs of the application. A...