METHOD AND DEVICE FOR IDENTIFICATION OF GEOGRAPHICAL LOCATIONS Russian patent published in 2017 - IPC G06F17/30 G01C21/32 G09B29/00 

FIELD: measuring equipment.

SUBSTANCE: method is performed by selecting an area within the map data, dividing the area into the first plurality of cells, wherein each is uniquely addressed by the first-length identifier, selecting an area part, dividing that part into the second plurality of cells, wherein each is uniquely addressed by the second-length identifier, wherein the second length is shorter than the first length, selecting an additional area part, dividing the said additional part by the third plurality of cells, wherein each is uniquely addressed by the third-length identifier, wherein the third length is shorter than the first length and the second length, and the geographic location within both the said part and the additional part is uniquely identified by each of identifiers of the first length, the second length and the third length.

EFFECT: ensuring that the identifiers are assigned to geographic locations within the digital map data.

14 cl, 9 dwg, 1 tbl