CN111488664A - Automatic spraying pipeline connecting system and method based on revit - Google Patents

Automatic spraying pipeline connecting system and method based on revit Download PDF

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CN111488664A
CN111488664A CN202010306558.8A CN202010306558A CN111488664A CN 111488664 A CN111488664 A CN 111488664A CN 202010306558 A CN202010306558 A CN 202010306558A CN 111488664 A CN111488664 A CN 111488664A
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CN111488664B (en
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檀坤华
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Tonghan Construction Technology Hangzhou Co ltd
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    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/10Geometric CAD
    • G06F30/18Network design, e.g. design based on topological or interconnect aspects of utility systems, piping, heating ventilation air conditioning [HVAC] or cabling
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2113/00Details relating to the application field
    • G06F2113/14Pipes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
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Abstract

The invention discloses a system and a method for automatically connecting spray pipelines based on revit, which belong to the technical field of engineering drawing pipeline drawing programs and comprise a drawing importing module, a pipeline preprocessing module, a pipeline attribute judging module, a pipeline connecting module and a component establishing module; the drawing import module receives an input engineering drawing and sends the engineering drawing to the pipeline pretreatment module; the pipeline preprocessing module selects the spray pipes according to the received instruction and marks the main pipe and the branch pipe, and the pipeline attribute judging module, the pipeline connecting module and the component establishing module process the engineering drawing and connect all the selected spray pipes and establish the vertical pipes and the connecting components for connection.

Description

Automatic spraying pipeline connecting system and method based on revit
Technical Field
The invention relates to the technical field of engineering drawing pipeline drawing programs, in particular to a system and a method for automatically connecting spraying pipelines based on revit.
Background
Revit is currently the name for a suite of software series available from Autodesk. The Revit series software is constructed for a Building Information Model (BIM) and can help architects to design, build and maintain buildings with better quality and higher energy efficiency.
The prior art can refer to the chinese utility model patent of the grant publication number CN206196152U, and it discloses a shower, including shower body and connect in the shower nozzle of shower body one end, be provided with in the shower nozzle and spray pressure adjustment device, pressure adjustment device includes two adjusting blade and drive adjusting blade pivoted actuating mechanism, two adjusting blade's one end is connected respectively in actuating mechanism, and its degree that opens and shuts is controlled by actuating device to the other end. Through adjusting the size that sprays the mouth, realized spraying pressure's regulation, spray etching liquid medicine with different pressure to the difference of copper layer thickness, to the thick part of copper, adjust two regulating vane for the opening less to obtain great pressure that sprays. The spraying pipe unit is a rectangular spraying pipe array consisting of a plurality of spraying pipes, and the opening degree of the spraying pipe adjusting blades in the corresponding areas is adjusted for different copper thickness areas of the circuit board, so that the spraying pressure is adjusted.
The above prior art solutions have the following drawbacks: when a user designs a spraying pipeline of a building, the arrangement positions of the pipelines are designed on an engineering drawing firstly, and then all the pipelines are connected, but in the process of connecting the pipelines, the user also needs to design connecting members and a plurality of pipelines for connection, and time is wasted.
Disclosure of Invention
The invention aims to provide a method for automatically connecting spraying pipelines based on revit, which can automatically complete pipeline connection work in engineering drawings and help users to quickly complete the engineering drawings.
The technical purpose of the invention is realized by the following technical scheme:
a method for automatically connecting spraying pipelines based on revit comprises the following steps:
firstly, importing an engineering drawing, and selecting a spray pipe in the engineering drawing;
secondly, setting the spray pipe with the largest pipe diameter as a main pipe, and setting other spray pipes as branch pipes;
thirdly, judging whether the branch pipes are parallel or not, and if so, entering the next step;
fourthly, judging the intersection point of the main pipe and the branch pipe;
judging the lowest points of the main pipe and the branch pipe to judge the height difference between the main pipe and the branch pipe;
sixthly, if the height difference is zero, carrying out the next step; if the height difference exists, a vertical pipe with the height equal to the height difference is arranged between the main pipe and the branch pipe, and then the next step is carried out;
and seventhly, arranging connecting members at the intersection points of all the pipelines, simultaneously calculating the net height of the connecting members, and deleting the overlapped parts of the pipelines and the connecting members according to the net height of the connecting members.
By adopting the scheme, a user can guide in the engineering drawing needing to be edited, after the pipeline needing to be connected is selected, the system can automatically connect the pipeline, the connecting component is automatically generated, even if the pipeline has a height difference, the vertical pipe can be automatically generated to be connected, the working efficiency of the user can be effectively improved, and the user is helped to quickly finish the engineering drawing.
The invention is further configured to: the third step is specifically set as follows:
thirdly, setting every two adjacent pipelines on the engineering drawing as a group, and calculating the included angle of each group of pipelines on the engineering drawing;
and thirdly, judging whether the included angle is 0 degree or not, if so, judging that the branch pipes are parallel to each other, and performing the fourth step.
By adopting the scheme, the judgment method is accurate, and the error is not easy to occur when the pipelines are judged pairwise.
The invention is further configured to: the third step also comprises:
and thirdly, if the included angle is not 0 degree, judging that the branch pipes are not parallel, and labeling each group of the branch pipes which are not parallel by using different colors.
By adopting the scheme, when the system judges that the engineering drawing has the pipeline which can not be connected through the automatic adding mode, the pipeline can be marked, and a user can rapidly find the pipeline group with problems.
The invention is further configured to: further comprising the steps of:
eighthly, confirming the processed engineering drawing by the user;
and ninthly, screening out the main pipe, the branch pipe and the connecting member in the confirmed engineering drawing, labeling the connecting member, and converting the screened drawing information into a three-dimensional graph and storing the three-dimensional graph.
By adopting the scheme, the three-dimensional position relation of the pipeline can be judged through the three-dimensional graph in the subsequent construction process of a user, and pipeline installation and detail modification in actual construction are facilitated. Only the pipeline part is displayed, so that the interference of other parts in the engineering drawing on the visual effect of a user can be reduced.
The invention is further configured to: further comprising the steps of:
searching the most similar three-dimensional graph in the storage history according to the stored three-dimensional graph, and retrieving the corresponding engineering drawing and the engineering related data according to the searched three-dimensional graph.
By adopting the scheme, the project record most similar to the project can be quickly retrieved through the three-dimensional graph, the project related data can play a reference role in the current project, and a user can perform more specific preparation work before construction according to the project related data, so that the problems in the construction process are reduced.
The invention aims to provide a revit-based automatic spraying pipeline connecting system which can automatically complete pipeline connecting work in engineering drawings and help users to quickly complete the engineering drawings.
The technical purpose of the invention is realized by the following technical scheme:
a spray pipeline automatic connection system based on revit comprises a drawing importing module, a pipeline preprocessing module, a pipeline attribute judging module, a pipeline connection module and a component establishing module;
the drawing import module receives an input engineering drawing and sends the engineering drawing to the pipeline preprocessing module;
the pipeline preprocessing module receives the engineering drawing, displays the engineering drawing, selects the spray pipes according to the received instruction, calculates the pipe diameters of the selected spray pipes, sorts the spray pipes according to the pipe diameters, marks the spray pipe with the largest pipe diameter as a main pipe, marks other spray pipes as branch pipes, and sends the marked engineering drawing to the pipeline attribute judging module;
the pipeline attribute judging module receives the engineering drawing, selects all branch pipes, sets every two adjacent branch pipes as a group, calculates the included angle of each group of branch pipes, and sends the engineering drawing to the pipeline connecting module if all the included angles are 0;
the pipeline connecting module receives the engineering drawing, judges the lowest point of the main pipe and all branch pipes, selects the branch pipes with the lowest point lower than the lowest point of the main pipe, adds a vertical pipe between each selected branch pipe and the main pipe, and sends the processed engineering drawing to the component establishing module;
the component building module receives the engineering drawing and then judges the intersection point of the main pipe and the branch pipe, the intersection point of the main pipe and the stand pipe and the intersection point of the branch pipe and the stand pipe, a connecting component model is stored in the component building module, the component building module adds corresponding connecting components at each intersection point according to the number of the pipelines, and the overlapped parts of the pipelines and the connecting components are deleted according to the clear height of the connecting components.
By adopting the scheme, a user can guide in the engineering drawing needing to be edited, after the pipeline needing to be connected is selected, the system can automatically connect the pipeline, the connecting component is automatically generated, even if the pipeline has a height difference, the vertical pipe can be automatically generated to be connected, the working efficiency of the user can be effectively improved, and the user is helped to quickly finish the engineering drawing.
The invention is further configured to: after the pipeline attribute judging module calculates the included angle of each group of branch pipes, if the included angle of a pipeline group is not 0, the pipeline group with the included angle not 0 is marked and an alarm is given out.
By adopting the scheme, when the system judges that the engineering drawing has the pipeline which can not be connected through the automatic adding mode, the pipeline can be marked, and a user can rapidly find the pipeline group with problems.
The invention is further configured to: when the pipeline groups are marked, the pipeline attribute judging module marks the pipelines of different pipeline groups with different colors, and if one branch pipe is marked for multiple times, the mark fills the branch pipe in a line mode.
By adopting the scheme, the corresponding pipeline groups can be more easily separated by the user by using different color marks for different pipeline groups, and the user can conveniently modify and the like.
The invention is further configured to: the drawing processing module and the storage module are also included;
the drawing processing module calls the engineering drawing processed by the component establishing module and displays the engineering drawing, after receiving the confirmation instruction, the drawing processing module screens a main pipe, a branch pipe and a connecting component in the engineering drawing and marks the connecting component, and then converts the screened image information into a three-dimensional graph and transmits the three-dimensional graph to the storage module;
and the storage module retrieves the engineering drawing and the engineering related data related to the three-dimensional graph after receiving the three-dimensional graph and stores the three-dimensional graph, the engineering drawing and the engineering related data.
By adopting the scheme, the three-dimensional position relation of the pipeline can be judged through the three-dimensional graph in the subsequent construction process of a user, and pipeline installation and detail modification in actual construction are facilitated. Only the pipeline part is displayed, so that the interference of other parts in the engineering drawing on the visual effect of a user can be reduced.
The invention is further configured to: the automatic calling module receives information input from the outside, calls the three-dimensional graph processed by the drawing processing module according to the information, retrieves the three-dimensional graph closest to the three-dimensional graph stored in the storage module according to the three-dimensional graph, and calls the engineering drawing and the engineering related data corresponding to the retrieved three-dimensional graph.
By adopting the scheme, the project record most similar to the project can be quickly retrieved through the three-dimensional graph, the project related data can play a reference role in the current project, and a user can perform more specific preparation work before construction according to the project related data, so that the problems in the construction process are reduced.
In conclusion, the invention has the following beneficial effects:
1. the user can import the engineering drawing that needs the edition, and after the pipeline that needs the connection is good selected, the system can connect the pipeline automatically, and the automatic connection component that generates is good, even there is the difference in height in the pipeline also can the automatic riser of generation connect.
2. The three-dimensional position relation of the pipeline can be judged through the three-dimensional graph in the subsequent construction process of a user, and pipeline installation and detail modification in actual construction are facilitated.
Drawings
Fig. 1 is an overall system block diagram of the second embodiment.
In the figure, 1, a drawing is imported into a module; 2. a pipeline pre-processing module; 3. a pipeline attribute judgment module; 4. a pipe connection module; 5. a component building module; 6. a drawing processing module; 7. a storage module; 8. and (5) automatically calling the module.
Detailed Description
The first embodiment is as follows: a method for automatically connecting spraying pipelines based on revit comprises the following specific steps:
step one, a user selects an engineering drawing needing to be processed and imports the engineering drawing. And selecting a spray pipe needing to be connected in engineering drawings.
And step two, the system automatically sets the spray pipe with the largest pipe diameter as a main pipe and sets other spray pipes as branch pipes.
And step three, the system sets every two adjacent pipelines on the engineering drawing as a group, and calculates the included angle of each group of pipelines on the engineering drawing. The system determines whether the included angle is 0 degrees. If the angle is 0 degrees, judging that the branch pipes are parallel to each other, and performing the fourth step. If the included angle is not 0 degree, the branch pipes are judged to be unparallel, and each group of the unparallel branch pipes are marked with different colors. When the system judges that the engineering drawing has a pipeline which can not be connected in an automatic adding mode, the pipeline can be marked, and a user can quickly find out a pipeline group with problems.
And step four, the system automatically judges the intersection point of the main pipe and the branch pipe and prepares for the step seven.
And step five, judging the lowest points of the main pipe and the branch pipe by the system to judge the height difference of the main pipe and the branch pipe.
Step six, if the height difference is zero, performing the next step; if the height difference exists, a vertical pipe with the height equal to the height difference is arranged between the main pipe and the branch pipe, and then the next step is carried out.
And seventhly, arranging a connecting member at the intersection point of all the pipelines by the system, simultaneously calculating the net height of the connecting member, and deleting the overlapped part of the pipelines and the connecting member according to the net height of the connecting member, so that the engineering drawing after the pipelines are connected can be obtained. And the user is helped to quickly finish the engineering drawing.
And step eight, confirming the engineering drawing processed in the step seven by the user.
And step nine, screening out the main pipe, the branch pipe and the connecting component in the confirmed engineering drawing by the system, marking the connecting component, and converting the screened drawing information into a three-dimensional graph and storing the three-dimensional graph.
The three-dimensional position relation of the pipeline can be judged through the three-dimensional graph in the subsequent construction process of a user, and pipeline installation and detail modification in actual construction are facilitated. Only the pipeline part is displayed, so that the interference of other parts in the engineering drawing on the visual effect of a user can be reduced.
And step ten, searching the most similar three-dimensional graph in the storage history by the system according to the stored three-dimensional graph, and retrieving the corresponding engineering drawing and the engineering related data according to the searched three-dimensional graph.
A user can quickly retrieve the project record most similar to the project at this time through the three-dimensional graph, the project related data can play a reference role in the current project, and the user can perform more specific preparation work before construction according to the project related data, so that the problems in the construction process are reduced.
Example two: a spraying pipeline automatic connection system based on revit is shown in figure 1 and comprises a drawing leading-in module 1, a pipeline preprocessing module 2, a pipeline attribute judging module 3, a pipeline connection module 4, a component establishing module 5, a drawing processing module 6, a storage module 7 and an automatic calling module 8.
As shown in fig. 1, the drawing importing module 1 receives an input engineering drawing and sends the engineering drawing to the pipeline preprocessing module 2. And the pipeline preprocessing module 2 receives the engineering drawing, displays the engineering drawing and selects a spray pipe according to the received instruction. The pipeline preprocessing module 2 calculates the pipe diameters of the selected spray pipes and sorts the spray pipes according to the pipe diameters, the spray pipe with the largest pipe diameter is marked as a main pipe, and other spray pipes are marked as branch pipes. The pipeline preprocessing module 2 sends the marked engineering drawing to the pipeline attribute judging module 3.
As shown in fig. 1, the pipeline attribute determining module 3 receives the engineering drawing, selects all branch pipes, and sets every two adjacent branch pipes as a group, where two branch pipes in each group are referred to as a pipeline group. The pipeline attribute judging module 3 calculates the included angle of each group of branch pipes. If all the included angles are 0, the pipeline attribute judging module 3 sends the engineering drawing to the pipeline connecting module 4. If the included angle of the pipeline group is not 0, marking the pipeline group with the included angle not 0 and giving an alarm. The pipeline attribute judging module 3 marks the pipelines of different pipeline groups with different colors, and if one branch pipe is marked for multiple times, the mark fills the branch pipe in a line mode.
When the system judges that the engineering drawing has a pipeline which can not be connected in an automatic adding mode, the pipeline can be marked, and a user can quickly find out a pipeline group with problems. The use of different color marks for different pipeline groups makes it easier for the user to quickly separate the corresponding pipeline group, which is convenient for the user to modify and the like.
As shown in fig. 1, the pipe connection module 4 receives engineering drawings and then determines the lowest points of the main pipe and all branch pipes. The pipe connection module 4 selects branch pipes having a lowest point lower than that of the main pipe, and adds a riser pipe between each selected branch pipe and the main pipe. The vertical pipe is used for connecting main pipes and branch pipes with different heights, the vertical pipe is three-dimensionally arranged to be a pipeline perpendicular to the ground level, and the pipe diameter of the vertical pipe is a preset value. The pipeline connecting module 4 sends the processed engineering drawing to the component establishing module 5.
As shown in fig. 1, the component building module 5 receives the engineering drawing and then determines the intersection point of the main pipe and the branch pipe, the intersection point of the main pipe and the riser pipe, and the intersection point of the branch pipe and the riser pipe. The component establishing module 5 stores a connecting component model, the component establishing module 5 adds corresponding connecting components at each intersection point according to the number of the pipelines, and deletes the overlapped parts of the pipelines and the connecting components according to the clear height of the connecting components to obtain an engineering drawing after the pipelines are connected.
The automatic connecting system of the spraying pipeline can automatically connect the pipelines, automatically generate a connecting component, and automatically generate a vertical pipe for connection even if the pipelines have height difference. The work efficiency of the user can be effectively improved, and the user is helped to finish the engineering drawing rapidly.
As shown in fig. 1, the drawing processing module 6 calls and displays the engineering drawing processed by the component establishing module 5, the drawing processing module 6 receives the confirmation instruction, then screens the main pipe, the branch pipe and the connecting component in the engineering drawing, marks the connecting component, and then converts the screened image information into a three-dimensional graph and transmits the three-dimensional graph to the storage module 7. The storage module 7 retrieves the engineering drawing and the engineering related data related to the three-dimensional graph after receiving the three-dimensional graph, and stores the three-dimensional graph, the engineering drawing and the engineering related data.
In the subsequent construction process, a user can call the three-dimensional graph stored in the storage module 7 to judge the three-dimensional position relationship of the pipeline, so that the pipeline installation and detail modification in the actual construction are facilitated. The three-dimensional graph only displays the pipeline part, so that the interference of other parts in the engineering drawing on the visual effect of a user can be reduced.
As shown in fig. 1, the automatic calling module 8 receives information input from the outside, calls the three-dimensional figure processed by the drawing processing module 6 according to the information, and retrieves the three-dimensional figure closest to the three-dimensional figure stored in the storage module 7 according to the three-dimensional figure. And the automatic calling module 8 calls the engineering drawing and the engineering related data corresponding to the retrieved three-dimensional graph.
A user can quickly retrieve the project record most similar to the project at this time through the three-dimensional graph, the project related data can play a reference role in the current project, and the user can perform more specific preparation work before construction according to the project related data, so that the problems in the construction process are reduced.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. A method for automatically connecting spraying pipelines based on revit is characterized by comprising the following steps:
firstly, importing an engineering drawing, and selecting a spray pipe in the engineering drawing;
secondly, setting the spray pipe with the largest pipe diameter as a main pipe, and setting other spray pipes as branch pipes;
thirdly, judging whether the branch pipes are parallel or not, and if so, entering the next step;
fourthly, judging the intersection point of the main pipe and the branch pipe;
judging the lowest points of the main pipe and the branch pipe to judge the height difference between the main pipe and the branch pipe;
sixthly, if the height difference is zero, carrying out the next step; if the height difference exists, a vertical pipe with the height equal to the height difference is arranged between the main pipe and the branch pipe, and then the next step is carried out;
and seventhly, arranging connecting members at the intersection points of all the pipelines, simultaneously calculating the net height of the connecting members, and deleting the overlapped parts of the pipelines and the connecting members according to the net height of the connecting members.
2. The revit-based spray pipe automatic connection method according to claim 1, wherein step three is specifically set as:
thirdly, setting every two adjacent pipelines on the engineering drawing as a group, and calculating the included angle of each group of pipelines on the engineering drawing;
and thirdly, judging whether the included angle is 0 degree or not, if so, judging that the branch pipes are parallel to each other, and performing the fourth step.
3. The method of claim 2, wherein step three further comprises:
and thirdly, if the included angle is not 0 degree, judging that the branch pipes are not parallel, and labeling each group of the branch pipes which are not parallel by using different colors.
4. The revit-based spray pipe automatic connection method of claim 1, further comprising the steps of:
eighthly, confirming the processed engineering drawing by the user;
and ninthly, screening out the main pipe, the branch pipe and the connecting member in the confirmed engineering drawing, labeling the connecting member, and converting the screened drawing information into a three-dimensional graph and storing the three-dimensional graph.
5. The method of automatically connecting revit-based spray pipes according to claim 4, further comprising the steps of:
searching the most similar three-dimensional graph in the storage history according to the stored three-dimensional graph, and retrieving the corresponding engineering drawing and the engineering related data according to the searched three-dimensional graph.
6. The utility model provides a spray pipe automatic connection system based on revit which characterized in that: the device comprises a drawing importing module (1), a pipeline preprocessing module (2), a pipeline attribute judging module (3), a pipeline connecting module (4) and a component establishing module (5);
the drawing import module (1) receives an input engineering drawing and sends the engineering drawing to the pipeline preprocessing module (2);
the pipeline preprocessing module (2) receives the engineering drawing, displays the engineering drawing, selects the spray pipes according to the received instruction, calculates the pipe diameters of the selected spray pipes and sorts the spray pipes according to the pipe diameters, marks the spray pipe with the largest pipe diameter as a main pipe, marks other spray pipes as branch pipes, and sends the marked engineering drawing to the pipeline attribute judging module (3);
the pipeline attribute judging module (3) receives the engineering drawing, selects all branch pipes, sets every two adjacent branch pipes into a group, calculates the included angle of each group of branch pipes, and if the included angles are all 0, the pipeline attribute judging module (3) sends the engineering drawing to the pipeline connecting module (4);
the pipeline connecting module (4) receives engineering drawings and then judges the lowest point of the main pipe and all branch pipes, selects the branch pipes with the lowest point lower than the lowest point of the main pipe, adds a vertical pipe between each selected branch pipe and the main pipe, and the pipeline connecting module (4) sends the processed engineering drawings to the component establishing module (5);
the construction method comprises the following steps that the construction building module (5) receives engineering drawings and then judges intersection points of a main pipe and a branch pipe, intersection points of the main pipe and a stand pipe and intersection points of the branch pipe and the stand pipe, a connecting construction model is stored in the construction building module (5), the construction building module (5) adds corresponding connecting construction members at each intersection point according to the number of pipelines, and the overlapped parts of the pipelines and the connecting construction members are deleted according to the net heights of the connecting construction members.
7. The revit-based spray pipe automatic connection system of claim 6, wherein: after the pipeline attribute judging module (3) calculates the included angle of each branch pipe, if the included angle of a pipeline group is not 0, the pipeline group with the included angle not 0 is marked and an alarm is given.
8. The revit-based spray pipe automatic connection system and method of claim 7, wherein: when the pipeline group is marked, the pipeline attribute judging module (3) marks the pipelines of different pipeline groups with different colors, and if one branch pipe is marked for multiple times, the branch pipe is filled with the marks in a line mode.
9. The revit-based spray pipe automatic connection system of claim 6, wherein: the drawing processing module (6) and the storage module (7) are also included;
the drawing processing module (6) calls the engineering drawing processed by the component establishing module (5) and displays the engineering drawing, the drawing processing module (6) screens a main pipe, a branch pipe and a connecting component in the engineering drawing after receiving a confirmation instruction and marks the connecting component, and then the screened image information is converted into a three-dimensional graph and transmitted to the storage module (7);
and the storage module (7) retrieves the engineering drawing and the engineering related data related to the three-dimensional graph after receiving the three-dimensional graph, and stores the three-dimensional graph, the engineering drawing and the engineering related data.
10. The revit-based spray pipe automatic connection system of claim 9, wherein: the automatic calling module (8) receives information input from the outside, calls the three-dimensional graph processed by the drawing processing module (6) according to the information, retrieves the three-dimensional graph closest to the three-dimensional graph stored in the storage module (7) according to the three-dimensional graph, and calls the engineering drawing and the engineering related data corresponding to the retrieved three-dimensional graph by the automatic calling module (8).
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