地図データ更新装置及び地図データ更新方法

Title:

地図データ更新装置及び地図データ更新方法

Document Type and Number:

Japanese Patent JP7378633

Kind Code:

B2

Abstract:

It is an object of the present disclosure to provide a technique to make it possible to reduce data size of a file used for managing an update of a mesh file. A map data update apparatus updates a specific mesh file on the basis of an update necessity management file having a bit array in which respective positions of a plurality of bits are associated with respective mesh IDs of a plurality of mesh files, in which 1-bit flag information indicating the necessity of an update of the mesh file is stored at the position corresponding to the mesh ID of the mesh file in the bit array and the mesh ID of the specific mesh file.

Inventors:

Yasushi Odaka
Mitsuo Shitaya
Seigo Kanazawa

Application Number:

JP2022555202A

Publication Date:

November 13, 2023

Filing Date:

October 08, 2020

Export Citation:

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