The oblique view: revolutions come and go. In a world beset by the more violent political kind, often those of a technology nature go generally unremarked by the wider populace. Seppe Cassettari explains how oblique imagery is providing new innovation.

GEO: connexion, February, 2007 by Cassettari, Seppe

GIS is, to many, a revolution that falls into this category. A technology step change that made huge amounts of geospatial data easily accessible but which has become part of the IT landscape largely unnoticed. The launch of Google Earth and Microsoft Local Live have rekindled some of that early revolutionary spirit and broadened mass-market awareness in geographic data, especially imagery. Even Tony Blair is reputed to have commented that Google Earth is a 'remarkable innovation'.

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So with this rekindled demand for new and better imagery from aerial and satellite sources comes the next revolution--oblique aerial imagery.

Like so many IT revolutions before, this imagery is not new (there are some excellent examples from...

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