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Grid coding method and device

A grid coding and coding technology, which is applied in the field of geographic information systems, can solve the problem of coding starting points deviating from geometric figures, etc.

Pending Publication Date: 2021-12-17
HUAWEI TECH CO LTD
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Problems solved by technology

[0005] This application provides a grid coding method and device to solve the problem that the coding starting point deviates from the geometric figure and improve the compatibility of the grid coding method

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[0034] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be clearly and completely described below in conjunction with the accompanying drawings in this application. Obviously, the described embodiments are part of the embodiments of this application , but not all examples. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

[0035] The terms "first" and "second" in the description, embodiments, claims and drawings of the present application are only used for the purpose of distinguishing descriptions, and cannot be interpreted as indicating or implying relative importance, nor can they be interpreted as indicating or imply order. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-...

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Abstract

The invention provides a grid coding method and device. The grid coding method comprises the following steps: acquiring a geometric figure corresponding to a to-be-coded area on a target map; when the geometric figure corresponding to the to-be-coded area is an irregular figure, determining a minimum envelope polygon of the geometric figure corresponding to the to-be-coded area, and determining an identification point of the to-be-coded area according to the minimum envelope polygon; determining a coding level corresponding to the to-be-coded area; and coding the to-be-coded area according to the identification point of the to-be-coded area and the coding level corresponding to the to-be-coded area. The problem that the coding starting point deviates from the geometric figure is solved, and the compatibility of the grid coding method is improved.

Description

technical field [0001] This application relates to geographic information system technology, in particular to a grid coding method and device. Background technique [0002] GIS is an interdisciplinary and multi-directional technology, and spatial subdivision and grid coding for geometric figures are the basic means used to support basic data research in GIS. In various intelligent application scenarios involving geographic information systems, the two-dimensional or three-dimensional positional relationship of geometric figures is mapped to the existing grid in a certain way, and then encoded in a standardized encoding method. [0003] In the related technology, the geometric figure to be coded is mapped to a standard spatial grid, and the center of the rectangle enveloping the geometric figure is used as the coding starting point, and the corresponding coding level is obtained according to the standard spatial grid, and then based on the coding starting point according to ...

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Application Information

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IPC IPC(8): G06F16/29
CPCG06F16/29
Inventor 黄骞
Owner HUAWEI TECH CO LTD
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