CN113051639B - Stirrup and lacing wire identification method, computer equipment and readable storage medium - Google Patents
Stirrup and lacing wire identification method, computer equipment and readable storage medium Download PDFInfo
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- CN113051639B CN113051639B CN202110243458.XA CN202110243458A CN113051639B CN 113051639 B CN113051639 B CN 113051639B CN 202110243458 A CN202110243458 A CN 202110243458A CN 113051639 B CN113051639 B CN 113051639B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The application relates to the technical field of architectural design, in particular to a stirrup and lacing wire identification method, computer equipment and a readable storage medium. The method of the present application comprises the steps of: identifying required graph elements from the column thumbnail; the picture element comprises a label, a table line, a column side line and a reinforcing steel bar line; combining the information of the graph elements to form at least one processing area; preprocessing the pixel of the picture element in the processing area; identifying stirrups and ties within the treatment area. The scheme is used for rapidly and efficiently identifying the stirrups and the tie bars in the column big sample drawing through an automatic means, and solves the problems that the drawing in the manually drawn construction drawing is not accurate and cannot be used for normal construction, material statistics and cost calculation.
Description
Technical Field
The application relates to the technical field of architectural design, in particular to a stirrup and lacing wire identification method, computer equipment and a readable storage medium.
Background
In the field of building design, designers usually design engineering drawings through design software such as CAD (computer aided design), and in the design drawings, designers usually draw column large-scale design drawings and mark various material specifications. Although there are some rules commonly known as conventions in the building industry, because of the openness of CAD design software, there is no strong constraint to ensure that the design drawing drawn by designers is completely accurate, so that accurate design data can be obtained by identifying the stirrups and lacing wires of the design drawing, and accurate information such as material usage and construction cost can be calculated according to the design data.
Therefore, how to accurately and quickly identify the stirrup and lacing information in the design drawing is a technical problem which needs to be solved urgently.
Disclosure of Invention
One of the objectives of the present invention is to overcome the above disadvantages and to provide an identification method for accurately and rapidly identifying a stirrup and a tie bar.
In order to solve the technical problem, the invention provides a method for identifying stirrups and lacing wires, which comprises the following steps:
identifying required graph elements from the column thumbnail; the picture element comprises a label, a table line, a column side line and a reinforcing steel bar line;
preprocessing the pixel of the picture element;
combining the information of the graph elements to form at least one processing area;
identifying stirrups and ties within the treatment area.
Further, the combining according to the information of the graph elements to form at least one processing area specifically includes:
if the identified graph element has a form line, taking an area which only comprises a group of the reinforcing steel bar lines, the column side lines and the form lines related to the labels as a processing area;
and if the identified drawing elements do not have table lines, taking the area which only comprises one group of the reinforcing steel bar lines, the column side lines and the related labels as a processing area.
Further, the preprocessing the primitive elements in the processing area includes the following steps:
connecting the column edge lines to each other to form a closed area;
filtering the irrelevant annotations;
and filtering the invalid reinforcing steel wire.
Further, the identifying the stirrup and the tie bar in the processing area specifically includes:
identifying the reinforcing steel bar wire which can form a head-to-tail closed figure from any starting point in a clockwise or anticlockwise direction as a stirrup;
and identifying the reinforcing steel bar lines which cannot be connected end to end as the lacing wires.
Correspondingly, the present application also provides a computer device, comprising: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the steps of any of the above methods when executing the computer program.
Accordingly, the present application also provides a computer-readable storage medium having a computer program stored thereon, wherein the program is adapted to perform the steps of any of the above when executed by a processor.
The technical scheme of this application through dividing the design drawing into a plurality of pending areas, discerns to the reinforcing bar line in every processing area and distinguishes stirrup and lacing wire, can solve the not accurate of the building drawing in the manual drawing schematic diagram, can't be used for the problem that normal construction, material statistics and cost calculate, and be applicable to most post full-page proof drawings on the market, the recognition rate is higher, and recognition speed is very fast, has simplified user operation flow.
Drawings
Fig. 1 is a flow chart illustrating steps of a method for identifying stirrups and tie bars according to the present invention.
FIG. 2 is a schematic illustration of a diagram element in a large sample of the column of the present invention.
FIG. 3 is a schematic diagram of a column thumbnail drawing method according to the present invention.
FIG. 4 is a schematic view of a processing region comprising a large outline drawing of a column according to the present invention.
FIG. 5 is a schematic diagram of a second exemplary column layout drawing method according to the present invention.
FIG. 6 is a schematic view of a processing region formed in a second exemplary column layout method according to the present invention.
FIG. 7 is a diagram illustrating the labeling of the graph elements of the present invention that is not relevant to filtering.
FIG. 8 is a schematic diagram of the required labeling in the figures of the present invention.
Figure 9 is a schematic view of a stirrup in the present invention.
Fig. 10 is a schematic view of a tie bar of the present invention.
Fig. 11 is a schematic diagram of a detailed view of the shape of the rebar of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
As shown in fig. 1, it is a flow chart of steps of the method for identifying stirrup and lacing wire of the present invention, comprising the following steps:
step S101, identifying required graph elements from a column thumbnail; in an actual scene, a design drawing generated by design software such as a CAD is usually used in the bar chart, for example, in the bar chart of the CAD design, a required layer needs to be selected from the bar chart, and then a required primitive element is filtered from each layer element according to the type of the metadata information. As shown in fig. 2, the primitive elements required in the technical solution of the present application include a label, a table line, a column edge line, and a reinforcement line, where the reinforcement line further includes a reinforcement shape detailed diagram and a reinforcement thumbnail, and usually the column edge line is drawn on the periphery of the reinforcement thumbnail.
And S102, combining the information of the graph elements to form at least one processing area.
According to the common drawing specifications, the column thumbnail can be divided into two ways, and as shown in fig. 3, if a table line exists in the identified drawing element, an area consisting of only one set of the reinforcement line, the column edge line and the table line related to the label is taken as a processing area (as shown in fig. 4). As shown in fig. 5, if there is no table line in the identified map element, the area including only one set of the reinforcement line, the column boundary line, and the associated label is used as a processing area (as shown in fig. 6).
And S103, preprocessing the pixel in the processing area.
Specifically, the preprocessing of the primitive elements includes the following steps, because a designer draws a design drawing through industrial software, there may be a case where the operation is not standard and the drawing is not performed according to drawing rules, for example, a closed column boundary line that should be drawn by one line segment on the periphery of a steel bar big sample drawing is drawn by a plurality of line segments or is not completely closed in an actual operation, and at this time, the column boundary lines are processed to be connected with each other to form a closed area.
And judging the acquired pixel elements, filtering the irrelevant labels, and eliminating unnecessary character information and label lines. For example, the text information is excluded from the reinforcing bar information format, the column name information format, and the floor information format which do not comply with the specifications. As also shown in FIG. 7, the useless marking lines indicating the width and height indicated by the arrows in the figure need to be excluded. The labels are classified into column full-page sample names (B103), label lines (B104), stirrup labels (B105), longitudinal bar labels (B106) and floor information (B107) according to the label characteristics, as shown in FIG. 8.
At the same time, the filtering of useless redundant reinforcing steel wires is required, such as: too short a wire (length less than 150 mm), a repeated wire (one wire is excluded from the two wires in the figure) and a longitudinal bar with too small a wire diameter (diameter less than 4 mm). And the steel bar line outside the side line of the column and in the processing area is used as a steel bar shape detailed graph for subsequent judgment.
Step S104, identifying stirrups and lacing wires in the processing area;
firstly, dividing the intersecting marking lines in the processing area map elements into the same group, and associating the group of marking lines with the corresponding marking information, so that the corresponding marking information can be found for the steel bar lines intersecting the marking lines in the subsequent processing process. Then, identifying the reinforcement line which can form a head-to-tail closed pattern in a clockwise or anticlockwise direction from any starting point in the reinforcement big sample graph as a stirrup (C101, as shown in figure 9); and identifying the reinforcing steel bar lines which cannot be connected end to end in the reinforcing steel bar big-pattern drawing as the tie bars (C102, shown in figure 10). The same method is adopted to identify the steel bar line in the steel bar shape detail drawing, and the in-situ stirrup and the in-situ tie bar are distinguished (C103, shown in figure 11).
The technical scheme of this application through dividing the design drawing into a plurality of pending areas, discerns to the reinforcing bar line in every processing area and distinguishes stirrup and lacing wire, solves the problem that the schematic diagram is not accurate in the building drawing of artifical drawing fast and high-efficiently through automatic means, can't be used for normal construction, material statistics and cost to calculate.
Example two
The embodiment also provides a computer device, such as a smart phone, a tablet computer, a notebook computer, a desktop computer, a rack server, a blade server, a tower server or a rack server (including an independent server or a server cluster composed of a plurality of servers) capable of executing programs, and the like. The computer device of the embodiment at least includes but is not limited to: a memory, a processor communicatively coupled to each other via a system bus. In some embodiments, the storage may be an internal storage unit of the computer device, such as a hard disk or a memory of the computer device, or may be an external storage device of the computer device, such as a plug-in hard disk, a smart memory card, and the like equipped on the computer device. The processor may be a Central Processing Unit (CPU), controller, microcontroller, microprocessor, or other data Processing chip for controlling the overall operation of the computing device. Specifically, in this embodiment, the processor is configured to run a computer program stored in the memory, and when the processor executes the computer program, the processor implements the steps of any one of the methods for identifying stirrups and tie bars.
EXAMPLE III
The present embodiments also provide a computer-readable storage medium, such as a flash memory, a hard disk, a multimedia card, a card-type memory, (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, a server, an App store, etc., having stored thereon a computer program, wherein the program when executed by a processor implements the steps of the method for identifying stirrups and tendons as set forth in any one of the above.
The above-mentioned embodiments are merely illustrative of the technical solutions of the present invention, and the present invention is not limited to the above-mentioned embodiments, and any modifications or alterations according to the principle of the present invention should be within the protection scope of the present invention.
Claims (4)
1. A stirrup and lacing wire identification method is characterized by comprising the following steps:
identifying required graph elements from the column thumbnail; the picture element comprises a label, a table line, a column side line and a reinforcing steel bar line;
combining the information of the graph elements to form at least one processing area, specifically: if the identified graph element has a form line, taking an area which only comprises a group of the reinforcing steel bar lines, the column side lines and the form lines related to the labels as a processing area; if the identified graph element does not have a table line, taking an area which only comprises a group of the reinforcing steel bar lines, the column side lines and the related labels as a processing area;
preprocessing the pixel of the picture element in the processing area;
identifying stirrups and lacing wires in the processing area, specifically: identifying the reinforcing steel bar wire which can form a head-to-tail closed figure from any starting point in a clockwise or anticlockwise direction as a stirrup; and identifying the reinforcing steel bar lines which cannot be connected end to end as the lacing wires.
2. The method for identifying stirrups and tie bars according to claim 1, wherein the preprocessing of the picture elements in the processing area comprises the following steps:
connecting the column edge lines to each other to form a closed area;
filtering the irrelevant annotations;
and filtering the invalid reinforcing steel wire.
3. A computer device, the computer device comprising: memory, processor and computer program stored on the memory and executable on the processor, characterized in that the processor implements the steps of the method of any of claims 1 to 2 when executing the computer program.
4. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method according to any one of claims 1 to 2.
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| CN202110243458.XA CN113051639B (en) | 2021-03-05 | 2021-03-05 | Stirrup and lacing wire identification method, computer equipment and readable storage medium |
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| CN114707206B (en) * | 2022-03-10 | 2022-11-29 | 北京梦诚科技有限公司 | Method, system, equipment and medium for identifying highway square column pier stirrup information |
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| CN110083887A (en) * | 2019-04-08 | 2019-08-02 | 上海电气研砼建筑科技集团有限公司 | A kind of CAD diagram shape library material statistical system |
| CN111368757A (en) * | 2020-03-09 | 2020-07-03 | 广联达科技股份有限公司 | Machine learning-oriented column large sample building drawing layer classification method and system |
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| US10176606B2 (en) * | 2015-08-28 | 2019-01-08 | Honeywell International Inc. | Method and apparatus for converting diagrams into application engineering elements |
| CN111553187B (en) * | 2020-03-20 | 2023-06-02 | 广联达科技股份有限公司 | Method and system for identifying form in CAD drawing |
| CN111738145A (en) * | 2020-06-19 | 2020-10-02 | 广联达科技股份有限公司 | Method and device for identifying stirrup winding method, computer equipment and readable storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110083887A (en) * | 2019-04-08 | 2019-08-02 | 上海电气研砼建筑科技集团有限公司 | A kind of CAD diagram shape library material statistical system |
| CN111368757A (en) * | 2020-03-09 | 2020-07-03 | 广联达科技股份有限公司 | Machine learning-oriented column large sample building drawing layer classification method and system |
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