451-420 Spatial Data Handling (Hons)

This subject is not offered in 2007

451-335 Application and Development of Geographic Information Systems, or equivalent.

On completion of this subject, students should have: a sound knowledge of the fundamental techniques used in spatial data handling; and a firm understanding of the respective merits and limitations associated with using those methods.

Content: Coordinate geometry: coordinate systems, intersections of lines and planes, calculation of length and area. Coordinate adjustment: transformations, rubber sheeting. Feature editing: feature alignment generalisation, densification. Raster/vector conversion: raster to vector conversion, vector to raster conversion. Boolean functions: point, line and polygon overlay, buffer generation. Surface analysis: gradient, aspect, curvature, points of inflection, viewsheds, intervisibility, contouring, TIN formation.