USA As Represented by Secretary of the Navy

David B Marks

Elias Z K Ioup

Brian S Bourgeois

Paul A Elmore

Blake Peno

Systems and methods are provided for compression of 3 dimensional (3D) geophysical (e.g., air temp, water temp, wind, current, humidity, salinity, etc.) datasets that contain regions of NaNs (IEEE standard representation for Not a Number) that represent land, i.e. geographic positions that do not have valid data. Embodiments of the present disclosure allow constraint of the error magnitude by a user specified threshold, where compression and error are inherent tradeoffs.

Grid retaining irregular network in 3D

System and method for compressing electronic data such as, for example topological data (altitude/depth) or geospatial data (latitude/longitude) with constrained loss of fidelity. With respect to altitude/depth data, the system and method allow for a mixture of shoreline and deep water to be thinned within the same mesh without appreciable loss of information in either region. System and method retain underlying grid values, opening RTIN functionality for any sphere where original grid positions must be preserved. System and method provide for encryption/decryption of electronic data.

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Metairie, LA, United States of America

David B Marks