GIS and remote sensing data integration

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Abstract
Geographic Information Systems are concerned with the digital capture of spatial data and spatially related attributes and their linkage relative to one another. Most importantly, geographic information processing deals with the query, analyses, reporting and output of these data. Remote sensing has always provided a primary source of geographic data to these systems, although not in the digital sense. Environmentally based surveys such as those developed for forest inventory, have relied heavily on aerial photography since its inception as a large area operational tool four decades ago; however, digital remote sensing has now been brought to a point in its development where real applications have been demonstrated. The functional requirements to develop an operational interface for forestry related applications are discussed, including both graphics display and data processing problems.