Method for generation of a three-dimensional terrain model...

Details Method for generation of a three-dimensional terrain model... Method for generation of a three-dimensional terrain model...

2004-05-21

2008-11-04

Chauhan, Ulka (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

Reexamination Certificate

active

07446765

ABSTRACT:
A method for generating a three-dimensional terrain model while using object-oriented vector data that contain supporting points, which describe the terrain, of position values indicating at least the cartographic position, and of elevation values that indicate their height or depth with regard to a reference level. The aim of the invention is to obtain a stable method that automatically ensues without human interaction. To this end, the elevation values of the supporting points are extrapolated within a uniform grid, and all extrapolation values are subjected to a weighted interpolation.

REFERENCES:
patent: 5798768 (1998-08-01), Cacas
Owen, S., Subsurface Characterization with Three-Dimensional Natural Neighbor Interpolation, 1993, Meshing Research Corner, pp. 1-22.

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