CN108875599A - A kind of identification check of drawings method of building trade ENGINEERING CAD drawing - Google Patents
A kind of identification check of drawings method of building trade ENGINEERING CAD drawing Download PDFInfo
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- CN108875599A CN108875599A CN201810541193.XA CN201810541193A CN108875599A CN 108875599 A CN108875599 A CN 108875599A CN 201810541193 A CN201810541193 A CN 201810541193A CN 108875599 A CN108875599 A CN 108875599A
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- pel
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/42—Document-oriented image-based pattern recognition based on the type of document
- G06V30/422—Technical drawings; Geographical maps
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
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- General Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of identification check of drawings methods of building trade ENGINEERING CAD drawing, include the following steps：S1, CAD diagram paper data are parsed and extract pel；S2, pel will make an uproar and standardization；S3, the pel after standardization is built into the figure to be identified；S4, the relationship determined between figure is established；S5, uncertain relational graph is pushed away come counter by the figure of determining relationship, to exclude doubtful figure；S6, figure and data are committed to server-side progress rule verification, and return to verification result.Drawing identification check of drawings method of the invention can identify whether the CAD diagram paper for judging that building trade designer draws violates national standard, improves check of drawings efficiency to the drawing of all CAD formats, save manpower and the time of check of drawings consumption.
Description
Technical field
The present invention relates to AutoCAD drawing identification technology fields, and in particular to one kind is used for building trade ENGINEERING CAD drawing
Identification check of drawings method.
Background technique
According to the provisions of the relevant regulations issued by the State, various architectural engineerings, municipal works, specialty work etc., construction drawing is by its engineering etc.
Grade rank has to pass through the professional censorship with corresponding qualification and carries out after examining qualification, can permit to construct.Construction project
Shop Drawing Design Document IT Application examination is the capital construction procedure that construction project must be carried out and be abided by.Policy examines unsanctioned work
Journey does not give technical examination.The engineering of examination is not reconnoitred, does not give Shop Drawing Design Document IT Application examination.There is no construction drawing to set
The engineering examined is counted, construction permits must not be handled.Traditional drawing review needs to rely on paper, i.e., designer is designed drawing
Check of drawings people is manually transmitted to after printing, check of drawings people examines that drawing needs manual remarks, then by being manually transmitted to second level check of drawings people or setting
Teacher is counted, while last drawing data also needs to bind preservation, needs Maximum Space and cost.Entire check of drawings link, which exists, to run away
More, speed is slow, and the time is long, and many drawbacks such as low efficiency bring great inconvenience to construction unit, affect engineering construction
Progress.Therefore, the management that the Literature Lessons such as appliance computer network and communication work to drawing review, gets rid of traditional
Manual operations becomes especially urgent.
Building trade mostly uses CAD software to draw construction drawing at present.The CAD diagram paper of drafting need through check of drawings program or
Software is to determine whether in the presence of the place for violating national standard.Due to none standard of CAD diagram paper and uniformly, different designs
Institute and designer can draw out the CAD diagram of different-format according to the hobby habit of oneself.And existing professional check of drawings software,
Since it can only directly be identified from pel, it is not based on figure layer, therefore can only examine the CAD diagram drawn using dedicated drawing tool.
And the accuracy rate of check of drawings is low, and only 95% or so, it is difficult to if the picture of CAD is lack of standardization, use scope receives limit
System, check of drawings low efficiency waste a large amount of manpowers and time.
Summary of the invention
Present invention aim to address existing check of drawings methods can only examine the CAD diagram that dedicated drawing tool is drawn, and uses model
Enclose limited, the technical problems such as the accuracy rate of check of drawings is low.
To solve the above problems, the present invention provides one kind the drawing of all CAD formats can be identified it is efficient
Building trade ENGINEERING CAD drawing identification check of drawings method.The check of drawings method includes the following steps：
S1, CAD diagram paper data are parsed and extract pel；
S2, pel will make an uproar and standardization；
S3, the pel after standardization is built into the figure to be identified；
S4, the relationship determined between figure is established；
S5, uncertain relational graph is pushed away come counter by the figure of determining relationship, to exclude doubtful figure；
S6, figure and data are committed to server-side progress rule verification, and return to verification result.
Preferably, the step S2 specifically comprises the following steps：S21, automatic noise reduction is carried out to pel, it is extra to delete
Primitive information improves the recognition accuracy and speed in later period；S22, the nonstandard pel after noise reduction is carried out by algorithm logic
Standardization.
Preferably, the step S21 is specially：Automatic noise reduction is carried out to primitive information, interference information or picture frame are believed
Breath is put into a MAP, and the remaining primitive information identified is put into another specific MAP.
Preferably, the step S22 is specially：Pel nonstandard in specific MAP is subjected to standard by algorithm logic
Change processing, specifically includes：There is broken line to be connected to become a complete line automatically centre, or will be a plurality of in no connection
Intersecting lens connects automatically.
Preferably, the step S1 is specially：User opens CAD diagram paper file by client software, and frame choosing will be known
Other part drawing, and select part drawing to carry out parsing digitization pel processing frame, and store pel.
Preferably, the step S3 is specially：Pel after standardization is subjected to relationship search, passes through figure rule
Pel is built into the figure to be identified by library.
Preferably, the step S3 is specially：Pel after standardization is stored classifiedly, location index is established,
Figure building is carried out from the upper left of drawing to upper right, and figure is screened finally by figure rule base and is constructed, pel is built into
The figure to be identified.
Preferably, in the step S4, the relationship determined between figure is established by service logic.
Preferably, the step S5 is specially：It is pushed away in identification process by the figure and relationship of some determinations come counter
Before identify whether to set up, and exclude the figure of misrecognition, then all figures of identification be stored in MAP, complete
Whole drawing identification, draws a drawing, and all identification objects are marked again.
Preferably, in the step S6, by after all identifications figure and data be converted into corresponding data format and mention
It is sent to cloud server, server judges whether to violate country to some mandatory in building trade by rule searching library
Provision, and client is sent the result to, result is showed user by client.
The recognizer of check of drawings method of the invention includes five coating systems：First layer completes drawing parsing and pel extraction；
The second layer completes figure building by the pel after standardization；Third layer establishes determining relationship between figure；4th layer, pass through
Determine that the figure of relationship pushes away some uncertain relational graphs come counter；Data submission rule server is run and is returned by layer 5
Return operation result.Specific recognizer program flow diagram is as shown in Figure 1.
The invention has the beneficial effects that：
(1) Direct Recognition pel, nonrecognition drawing；The drawing of all CAD formats can be carried out identifying, improve simultaneous
Capacitive solves the problems, such as that existing check of drawings software is only capable of identifying the drawing that specific drawing tools is drawn.
(2) entire identification process does not depend on the correlative factors such as any figure layer, can go automatically the various techniques of painting and drawing
It makes an uproar and drawing standardization, final realization drawing accurately identifies, and verify whether to violate the corresponding compulsive clause of country.Greatly
The relevant works such as present artificial check of drawings are improved, working efficiency is improved, expert is allowed to focus more on more professional work, without
Do some muscular labor or many and diverse calculating work.
(3) by national regulation digitize and with drawing data automatic comparison, reduce artificial and the time investment, uniformly
It identifies cad file, improves check of drawings efficiency.
Detailed description of the invention
Fig. 1, five coating systems flow chart of recognizer.
The computer program flow chart of the identification check of drawings method of Fig. 2, building trade ENGINEERING CAD drawing of the invention.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
As shown in Fig. 2, the computer program process of the identification check of drawings method of building trade ENGINEERING CAD drawing of the invention is general
Include for：Firstly, input all primitive datas of drawing；Secondly, carrying out pel processing operation；Then, figure building operation is carried out；It connects
, opening relationships；Finally, carrying out cloud verifying.It is corresponding with the flow chart, building trade ENGINEERING CAD drawing of the invention
Identify check of drawings method, specific step is as follows：
Step S1, user is opened CAD diagram paper by client software, and frame selects the part drawing to be identified, and frame is selected
Part drawing carries out being parsed into these pels such as own data format object, such as line, text, and stores pel.
Step S2, the pel of storage will make an uproar and standardization；Specifically include step S21, the pel to storage
Information carries out automatic noise reduction, the information such as some interference informations and picture frame are put into a MAP, remaining to be identified
Primitive information is put into another specific MAP；Step S22, the nonstandard primitive information in specific MAP is carried out by algorithm logic
Standardization, such as two lines intersect vertically, because of different designs personnel, the figure drawn also can not be identical, some are just drawn
It is not up to standard, need to be standardized these primitive informations by algorithm logic.Alternatively, for example, centre is had broken
Line, which is connected, becomes single line, because habit of drawing does not connect, algorithm is connected the line of intersection automatically.
Step S3, standardized pel is stored classifiedly, then establishes location index, from the upper left of drawing to upper right
Figure building is carried out, then screening building is carried out to figure by figure rule base, pel is built into the figure to be identified.
Step S4, complete to the building (such as wall, column, beam etc.) of figure after, by service logic establish Drawing Object it
Between determine relationship, for example, being to be associated between column and column by beam line, the beam line between column and column or column and wall only has two
Root, if there is more lines, then which to identify not is beam line.
Step S5, it establishes after graphics relationship, by determining that the figure of relationship pushes away uncertain relational graph come counter, with row
Except the figures of doubtful figure or misrecognition, all figures of identification are stored in MAP, the identification of whole drawing is just completed,
A drawing can be drawn again completely, and all identification objects are marked.
All identification objects are submitted on cloud server by step S6 by certain data format, and server is by looking into
Rule base is ask, judges whether that violate country is sent to some compulsive clauses in building trade, and by data recognition result
Result is showed user by client, client.
The entire identification process of the above method, does not depend on the correlative factors such as any figure layer, can by the various techniques of painting and drawing from
Dynamic to carry out denoising and drawing standardization, final realization drawing accurately identifies, and verifies whether to violate the corresponding mandatory item of country
Text.The relevant works such as present artificial check of drawings are greatly improved, working efficiency is improved, expert is allowed to focus more on more professional work
Make, without doing some muscular labor or many and diverse calculating work.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, but anything that does not depart from the technical scheme of the invention content, according to the technical essence of the invention
Any simple modification, equivalent change and modification to the above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of identification check of drawings method of building trade ENGINEERING CAD drawing, which is characterized in that include the following steps：
S1, CAD diagram paper data are parsed and extract pel；
S2, pel will make an uproar and standardization；
S3, the pel after standardization is built into the figure to be identified；
S4, the relationship determined between figure is established；
S5, uncertain relational graph is pushed away come counter by the figure of determining relationship, to exclude doubtful figure；
S6, figure and data are committed to server-side progress rule verification, and return to verification result.
2. the identification check of drawings method of building trade ENGINEERING CAD drawing as described in claim 1, which is characterized in that the step
S2 specifically comprises the following steps：
S21, automatic noise reduction is carried out to pel, deletes extra primitive information, improves the recognition accuracy and speed in later period；
S22, the nonstandard pel after noise reduction is standardized by algorithm logic.
3. the identification check of drawings method of building trade ENGINEERING CAD drawing as claimed in claim 2, which is characterized in that the step
S21 is specially：Automatic noise reduction is carried out to primitive information, interference information or picture frame information are put into a MAP, by remaining need
The primitive information identified is put into another specific MAP.
4. the identification check of drawings method of building trade ENGINEERING CAD drawing as claimed in claim 3, which is characterized in that the step
S22 is：Pel nonstandard in specific MAP is standardized by algorithm logic, is specifically included：Centre is had broken
Line is connected to become a complete line automatically, or a plurality of intersecting lens in no connection is connected automatically.
5. the identification check of drawings method of building trade ENGINEERING CAD drawing as described in claim 1, which is characterized in that the step
S1 is specially：User opens CAD diagram paper file by client software, and frame selects the part drawing to be identified, and frame is selected part
Drawing carries out parsing digitization pel processing, and stores pel.
6. the identification check of drawings method of building trade ENGINEERING CAD drawing as claimed in claim 5, which is characterized in that the step
S3 is specially：Pel after standardization is subjected to relationship search, eventually by figure rule base, pel is built into be identified
Figure.
7. the identification check of drawings method of building trade ENGINEERING CAD drawing as claimed in claim 6, which is characterized in that the step
S3 is specially：Pel after standardization is stored classifiedly, location index is established, figure is carried out from the upper left of drawing to upper right
Building is screened figure finally by figure rule base and is constructed, pel is built into the figure to be identified.
8. the identification check of drawings method of building trade ENGINEERING CAD drawing as claimed in claim 7, which is characterized in that the step
In S4, the relationship determined between figure is established by service logic.
9. the identification check of drawings method of building trade ENGINEERING CAD drawing as claimed in claim 8, which is characterized in that the step
S5 is specially：Identify whether to set up before counter push away by the figure and relationship of some determinations in identification process, and excludes
Fall the figure of misrecognition, then all figures of identification are stored in MAP, completes whole drawing identification, draw one again
Drawing, and all identification objects are marked.
10. the identification check of drawings method of building trade ENGINEERING CAD drawing as claimed in claim 9, which is characterized in that the step
In S6, by after all identifications figure and data be converted into corresponding data format and be submitted to cloud server, server passes through
Rule searching library judges whether to violate country to some compulsive clauses in building trade, and sends the result to client,
Result is showed user by client.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541193.XA CN108875599A (en) | 2018-05-30 | 2018-05-30 | A kind of identification check of drawings method of building trade ENGINEERING CAD drawing |
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|---|---|---|---|
| CN201810541193.XA CN108875599A (en) | 2018-05-30 | 2018-05-30 | A kind of identification check of drawings method of building trade ENGINEERING CAD drawing |
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| CN108875599A true CN108875599A (en) | 2018-11-23 |
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| CN201810541193.XA Pending CN108875599A (en) | 2018-05-30 | 2018-05-30 | A kind of identification check of drawings method of building trade ENGINEERING CAD drawing |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110245393A (en) * | 2019-05-28 | 2019-09-17 | 长沙市海图科技有限公司 | CAD diagram paper checking method, device, equipment and the storage medium of planning construction |
| CN110378302A (en) * | 2019-07-24 | 2019-10-25 | 广东电网有限责任公司 | A kind of customer engineering drawing intelligent identifying system based on PDF format Drawings and documents |
| CN110399787A (en) * | 2019-06-10 | 2019-11-01 | 万翼科技有限公司 | A kind of management system and method for engineering drawing |
| CN110502984A (en) * | 2019-07-11 | 2019-11-26 | 万翼科技有限公司 | Drawing review method, apparatus, computer equipment and storage medium |
| CN110517223A (en) * | 2019-07-11 | 2019-11-29 | 万翼科技有限公司 | Drawing review method, apparatus, computer equipment and storage medium |
| CN110889229A (en) * | 2019-11-29 | 2020-03-17 | 万翼科技有限公司 | CAD drawing identification method and device, electronic equipment and storage medium |
| CN111222186A (en) * | 2020-01-03 | 2020-06-02 | 湖南特能博世科技有限公司 | Method and device for identifying primitive and server |
| CN111291438A (en) * | 2020-01-22 | 2020-06-16 | 远景智能国际私人投资有限公司 | File processing method and device, electronic equipment and storage medium |
| CN111401231A (en) * | 2020-03-13 | 2020-07-10 | 华黔科技有限公司 | Engineering drawing identification and verification method and device |
| CN111444910A (en) * | 2020-04-23 | 2020-07-24 | 陕西中罡实业有限公司 | Portable sensing pen for cost-assisted calculation and drawing rapid identification method thereof |
| CN111444563A (en) * | 2020-03-24 | 2020-07-24 | 陈东银 | Automatic checking method for consistency of building model and design drawing |
| CN111782583A (en) * | 2020-06-12 | 2020-10-16 | 万翼科技有限公司 | Intelligent image examination method and related device |
| CN111859503A (en) * | 2020-07-09 | 2020-10-30 | 万翼科技有限公司 | Drawing review method, electronic equipment and graphic server |
| CN112883799A (en) * | 2021-01-20 | 2021-06-01 | 上海品览智造科技有限公司 | Method for accurately identifying slope in CAD (computer-aided design) slope big sample graph |
| CN112989923A (en) * | 2021-01-20 | 2021-06-18 | 上海品览智造科技有限公司 | Method for accurately judging whether shielding exists in neutral plane window in CAD elevation graph |
| CN113673413A (en) * | 2021-08-16 | 2021-11-19 | 金地（集团）股份有限公司 | Method and device for examining architectural drawings, computer readable medium and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110245393A (en) * | 2019-05-28 | 2019-09-17 | 长沙市海图科技有限公司 | CAD diagram paper checking method, device, equipment and the storage medium of planning construction |
| CN110399787A (en) * | 2019-06-10 | 2019-11-01 | 万翼科技有限公司 | A kind of management system and method for engineering drawing |
| CN110502984B (en) * | 2019-07-11 | 2022-08-09 | 万翼科技有限公司 | Drawing review method and device, computer equipment and storage medium |
| CN110502984A (en) * | 2019-07-11 | 2019-11-26 | 万翼科技有限公司 | Drawing review method, apparatus, computer equipment and storage medium |
| CN110517223A (en) * | 2019-07-11 | 2019-11-29 | 万翼科技有限公司 | Drawing review method, apparatus, computer equipment and storage medium |
| CN110378302A (en) * | 2019-07-24 | 2019-10-25 | 广东电网有限责任公司 | A kind of customer engineering drawing intelligent identifying system based on PDF format Drawings and documents |
| CN110889229A (en) * | 2019-11-29 | 2020-03-17 | 万翼科技有限公司 | CAD drawing identification method and device, electronic equipment and storage medium |
| CN111222186A (en) * | 2020-01-03 | 2020-06-02 | 湖南特能博世科技有限公司 | Method and device for identifying primitive and server |
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| CN111401231A (en) * | 2020-03-13 | 2020-07-10 | 华黔科技有限公司 | Engineering drawing identification and verification method and device |
| CN111444563A (en) * | 2020-03-24 | 2020-07-24 | 陈东银 | Automatic checking method for consistency of building model and design drawing |
| CN111444910A (en) * | 2020-04-23 | 2020-07-24 | 陕西中罡实业有限公司 | Portable sensing pen for cost-assisted calculation and drawing rapid identification method thereof |
| CN111782583A (en) * | 2020-06-12 | 2020-10-16 | 万翼科技有限公司 | Intelligent image examination method and related device |
| CN111782583B (en) * | 2020-06-12 | 2023-08-18 | 万翼科技有限公司 | Intelligent drawing examining method and related device |
| CN111859503A (en) * | 2020-07-09 | 2020-10-30 | 万翼科技有限公司 | Drawing review method, electronic equipment and graphic server |
| CN111859503B (en) * | 2020-07-09 | 2024-04-26 | 深圳市万翼数字技术有限公司 | Drawing examination method, electronic equipment and graphic server |
| CN112883799A (en) * | 2021-01-20 | 2021-06-01 | 上海品览智造科技有限公司 | Method for accurately identifying slope in CAD (computer-aided design) slope big sample graph |
| CN112989923A (en) * | 2021-01-20 | 2021-06-18 | 上海品览智造科技有限公司 | Method for accurately judging whether shielding exists in neutral plane window in CAD elevation graph |
| CN112883799B (en) * | 2021-01-20 | 2024-04-09 | 上海品览智造科技有限公司 | Method for accurately identifying ramp in CAD ramp large-scale sample graph |
| CN113673413A (en) * | 2021-08-16 | 2021-11-19 | 金地（集团）股份有限公司 | Method and device for examining architectural drawings, computer readable medium and electronic equipment |
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