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Situation adaptation of digital spatial data for on-board geographic information applications

Execution of on-board geographic information applications is based on the use of spatial data. However airborne computer systems have quite limited computational power. To provide for the execution of resourceintensive on-board geographic information applications in an acceptable time, different means of situational adaptation of digital spatial data are used. The method described represents spatial data as a set of step-bystep approximations, which makes it possible to provide their situational adaptation by fetching data at the required level of detail.