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Building near-line rate generation method and system, electronic equipment and storage medium

A technology for generating systems and buildings, applied in measuring devices, instruments, surveying and navigation, etc., can solve the problems of low efficiency and inaccuracy in the measurement and calculation of building line rate

Active Publication Date: 2020-08-14
上海刻羽信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to overcome the defects of low efficiency and inaccuracy in the measurement and calculation of the building line rate in the prior art, and provide an efficient and accurate method, system and electronic equipment for generating the building line rate and storage media

Method used

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  • Building near-line rate generation method and system, electronic equipment and storage medium
  • Building near-line rate generation method and system, electronic equipment and storage medium
  • Building near-line rate generation method and system, electronic equipment and storage medium

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Embodiment 1

[0069] This embodiment provides a method for generating building line rate, such as figure 1 As shown, the generation method of the building line rate in this embodiment includes:

[0070] Step 101. Project the three-dimensional model of the building onto a plane parallel to the ground to form a building projection plane.

[0071] Step 102. Obtain the building length of the building according to the projected surface of the building.

[0072] Step 103 , generating a building line rate according to the building length of the building and the preset length of the red line facing the street.

[0073] This embodiment relies on the three-dimensional model of the building to form the building projection surface, and calculates the line rate of the building through spatial analysis of the building projection surface and the street red line. In this embodiment, the building projection can be obtained by projecting the three-dimensional model of the building The length of the object ...

Embodiment 2

[0075] This embodiment provides a method for generating a building line rate, and this embodiment is a further improvement on Embodiment 1, such as figure 2 As shown, step 102 specifically includes:

[0076] Step 1021, obtaining several first endpoints of the projected surface of the building;

[0077] Step 1022, extracting several groups of second endpoints from the first endpoints that meet the preset line requirements

[0078] Step 1023: Project several sets of second end points onto the preset red line, and connect the projection points corresponding to each set of second end points to form several projected line segments, and the length of the building is the sum of the lengths of the several projected line segments.

[0079] Wherein, the building projection surface of the building projection is a polygonal structure, and the polygonal structure includes several endpoints, which are the first endpoints in this embodiment.

[0080] Optionally, in this embodiment, in ord...

Embodiment 3

[0098] This embodiment provides a system for generating building line rate, such as Figure 6 As shown, the generation system in this embodiment includes: a projection module 301 , a building length acquisition module 302 and a line rate generation module 303 .

[0099] The projection module 301 is used for projecting the three-dimensional model of the building to a plane parallel to the ground to form a building projection plane.

[0100] The building length acquisition module 302 is configured to acquire the building length of the building according to the building projection surface.

[0101] The line rate generation module 303 is used to generate the line rate of the building according to the construction length of the building and the preset length of the red line on the street.

[0102] Wherein, the preset red line length is the length of the red line of the street corresponding to the length of the building, and the preset red line length can be obtained by importing a...

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Abstract

The invention discloses a method and a system for generating a near-line rate of a building, electronic equipment and a storage medium. The method for generating the near-line rate of the building comprises the following steps: projecting a three-dimensional model of a building to a plane parallel to the ground to form a building projection plane; obtaining the building length of the building according to the building projection plane; and according to the building length of the building and a preset frontage red line length, generating the near-line rate of the building, wherein the preset frontage red line length is the frontage red line length of a street corresponding to the building length. According to the invention, a building projection surface is formed by a building three-dimensional model, and the near-line rate of the building is calculated by performing spatial analysis on the projection plane of the building and the frontage red line; and the length of a building can be obtained by projecting the three-dimensional model of the building, so that the defect of inaccuracy caused by manual measurement of the length of the building is avoided, and the calculation efficiency of the line sticking rate is greatly improved.

Description

technical field [0001] The invention relates to the fields of computer graphics and national land planning, in particular to a method, system, electronic equipment and storage medium for generating a building line rate. Background technique [0002] The line rate refers to the percentage of the street wall facade composed of multiple building facades that should at least span the length of the block, that is, the continuity of the buildings facing the road and the degree of concession of the buildings on the ground floor. The ratio of the length of the red line, the higher the ratio, the more tidy the street looks. In the context of the development of urban planning towards refinement, the indicator of the line rate is getting more and more attention. Due to the complex shape of the building, in the prior art, the line rate is usually calculated by manually measuring the length of the building on the drawing, or the length of the building is measured on the three-dimensiona...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01C15/00
CPCG01C15/00
Inventor 顾星晔冯琰路志越
Owner 上海刻羽信息科技有限公司
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