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1 Madej M.

1 2007

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Pictometry® - nowe zastosowanie zdjęć lotniczych

Madej M.

Roczniki Geomatyki

2007

T. 5, z. 3

87-92

This paper introduces Pictometry® as unique information system with its product and software which combines digital. color aerial imaging with a software program and providing a complete visual information system. Two perspectives of georeferenced images: high resolution oblique (at an angle view) and orthogonal, viewed from a different directions with build in location.s data and measuring software package obtain measurements. Pictometry® products consist of desktop viewing software and aerial images. The data can either be viewed through the freely available software called Electronic Field Study or through GIS software such as ESRI, MapInfo, Cadcorp, Geomedia etc using established plug ins. The product also allows any other GIS data such as Raster & vector maps, elevation data, and address or postcode layers to be overlaid in the images. The images provide a rich visual information source to support analysis, reporting and the georeferenced oblique imagery extends the benefits of traditional straight-down photography providing a unique perspective view of a locality, allowing users: m To view facades of a building, structure or feature, exposing blind spots, exits and entrances previously impossible to locate on straight-down photography. m The ability to measure the height, length & area of features directly from photography. Measurements can be made between real world objects rather than their graphic representation in a 3D model. m Improve the identification of hard to see assets and facilities (e.g. lamp-posts, telegraph poles, etc) which can be difficult to distinguish on traditional orthophotography. m View GIS data in 3D by draping it on oblique imagery, extending the traditional and more familiar 2D view afforded by most GIS applications. A system based on mapping combined with location enabled, high. resolution oblique aerial photos are much easier to work with and show a lot more information. It has proven to be beneficial to housing tax assessors & planners, engineers, public safety, police, homeland security, insurance, property and real estates. The Pictometry® libraries can be used to explore, analyze, investigate and compare information not usually available in vertical imagery. The libraries can also be used for police, fire fighters, and emergency response units for verification of the true situation of an area during bad weather conditions or darkness. Pictometry® has shown to save time and costs by reducing the need of site visits by showing the complete picture from the desk top. Distance, height and other measurement tools provide valuable information potentially ruling out the need for initial surveys and it is easy to use.