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Multi-hole surface splitting method and device, electronic equipment and readable storage medium

A hole surface and hole technology, applied in image analysis, image data processing, structured data retrieval, etc., can solve the problems of low splitting efficiency and cumbersome splitting process.

Active Publication Date: 2020-08-04
GUANGDONG SOUTH DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing technology, the range splitting of surface elements is generally performed manually. Due to the introduction of artificial factors, the splitting process is more cumbersome and the splitting efficiency is lower.

Method used

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  • Multi-hole surface splitting method and device, electronic equipment and readable storage medium
  • Multi-hole surface splitting method and device, electronic equipment and readable storage medium
  • Multi-hole surface splitting method and device, electronic equipment and readable storage medium

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Embodiment Construction

[0029] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0030] It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures. Meanwhile, in the description of the present application, relative terms such as "first", "second", etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that these entities or operations, any such actual relationship or order exists. Moreover, the term "comprising" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article or apparatus comprising a set of elements includes not only those elements but also other elements not expressly liste...

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Abstract

The invention relates to a multi-hole surface splitting method and device, electronic equipment and a readable storage medium, and belongs to the field of geographic information data processing. The method comprises the following steps: acquiring a vector surface to be split, wherein the vector surface comprises a hole; determining a vertex of the hole; determining a Thiessen polygon correspondingto the hole according to the vertex of the hole; cutting the Thiessen polygon according to the outer contour of the vector surface to obtain a plurality of split regions; and grouping and fusing theplurality of split regions to obtain a fused split region. The splitting process of the multi-hole surface can be simplified, and the splitting efficiency is improved.

Description

technical field [0001] The application belongs to the technical field of geographic information data processing, and in particular relates to a method, device, electronic equipment and readable storage medium for splitting a porous surface. Background technique [0002] When the geographic information system industry processes vector data or performs spatial analysis, it needs to divide the vector graphics composed of known coordinates within a certain range. In the prior art, there are many mature algorithms that can quickly divide the points within the range to be processed. However, in large-scale data, vector graphics with known coordinates include not only point elements, but also surface elements. [0003] In the prior art, the range splitting of surface elements is generally performed manually. Due to the introduction of artificial factors, the splitting process is cumbersome and the splitting efficiency is low. Contents of the invention [0004] In view of this, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/20G06T7/187G06T7/10G06T5/50G06F16/29
CPCG06T17/20G06T7/187G06T7/10G06T5/50G06F16/29G06T2207/20221
Inventor 陈润华谭润南徐昀鹏章小明宁振伟刘小芬吉绪发何斌刘豪杰于淑君
Owner GUANGDONG SOUTH DIGITAL TECH