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Method and device for identifying longitudinal section in construction drawing

A recognition method and construction drawing technology, applied in character and pattern recognition, instruments, computer components, etc., can solve the problems of difficulty in the recognition process, complex data types, large data volume, etc., to ensure integrity and rationality, and improve Recognition efficiency, the effect of avoiding manual recognition

Pending Publication Date: 2021-06-04
GLODON CO LTD
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  • Abstract
  • Description
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Problems solved by technology

As the drawing design will express as many different meanings or design requirements as possible, the drawings produced by different designers may have certain differences, which will make it difficult for BIM software to identify CAD drawings
Especially for road profile drawings, the types of data involved are more complex and the amount of data is larger, so the error rate in the recognition process is higher

Method used

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  • Method and device for identifying longitudinal section in construction drawing
  • Method and device for identifying longitudinal section in construction drawing
  • Method and device for identifying longitudinal section in construction drawing

Examples

Experimental program
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Embodiment 1

[0047] see figure 1 , the present embodiment proposes a method for identifying a longitudinal section in a construction drawing, comprising the following steps:

[0048] S100: Obtain the first identification range in the construction drawing, and determine the data to be identified and the reference data in the first identification range; the reference data is the data to be identified as a data alignment reference in the data to be identified, and data alignment refers to the data that will be located in the construction drawing. Multiple data at the same location are displayed in the same row or column in the table.

[0049] The construction drawings in this embodiment may include road construction drawings, drainage construction drawings, and the like. figure 2 It is a schematic diagram of the longitudinal section of the road in Embodiment 1 of the present invention. The schematic diagram can be drawn using any existing drawing software, such as AutoCAD. from figure 2...

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Abstract

The invention provides a method and device for identifying a longitudinal section in a construction drawing, and the method comprises: obtaining a first recognition range in the construction drawing, and determining to-be-recognized data and reference data in the first recognition range, wherein the reference data is data serving as a data alignment reference in the to-be-identified data, and the data alignment means that a plurality of pieces of data located at the same position of the construction drawing are displayed in the same row or the same column in the table; identifying a first data object included in the reference data; and based on the first data object, identifying a second data object included in other data except the reference data in the to-be-identified data.

Description

technical field [0001] The invention relates to the technical field of road construction, in particular to a method and device for identifying longitudinal sections in construction drawings. Background technique [0002] The main functions of existing BIM software include several key paths: drawing identification, parameter modification, model construction, engineering quantity calculation, engineering quantity report, etc. Among them, drawing recognition is the basic link of BIM, and its recognition efficiency and accuracy are very important to users. As the drawing design will express as many different meanings or design requirements as possible, there may be certain differences in the drawings produced by different designers, which will make it difficult for BIM software to recognize CAD drawings. Especially for road profile drawings, the types of data involved are more complex and the amount of data is larger, so the error rate in the recognition process is higher. [...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06K9/00G06K9/62
CPCG06V30/422G06F18/241
Inventor 刘建雄
Owner GLODON CO LTD
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