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GIS… Helping Manage Our World

The continuing growth and exciting prospects facing the GIS industry were well reflected at the annual ESRI International User Conference held at the Convention Center in San Diego, California, USA...

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Optimal GCPs with Onboard GPS

The collection of Ground Control Points (GCP) for block adjustment is a costly and time-consuming operation. Onboard GPS enables a reduction in the number of GCPs without loss of accuracy....

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GIS for Urban Conservation

GIS is a very useful tool in the planning of urban conservation. GIS includes integration of vector and raster data, geographical referencing, correction and spatial adjustment. GIS analysis tools and...

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A Spatial Turn in History

Geography and history are sister disciplines. In fact, geography as a field of scientific research evolved from the study of history. Whereas geographers have the perspective of space, historians consider...

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GPS: Position, Time and Distance

Receiver position is calculated from the position of satellites and the distances to them. Distance is calculated from the time a radio signal travels between satellite and receiver. But how...

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Trimble Acquires Pacific Crest

Trimble (CA, USA), in a cash transaction, is to acquire the privately held Pacific Crest Corporation (CA, USA). Financial terms have not been disclosed. Pacific Crest Corporation has two core...

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