CN110704899B

CN110704899B - Connecting node placement method and device for tiger window model and roof opening model

Info

Publication number: CN110704899B
Application number: CN201910843921.7A
Authority: CN
Inventors: 尤勇敏; 请求不公布姓名
Original assignee: Jiuling Jiangsu Digital Intelligent Technology Co Ltd
Current assignee: Jiuling Jiangsu Digital Intelligent Technology Co Ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2023-06-16
Anticipated expiration: 2039-09-06
Also published as: CN110704899A

Abstract

The application relates to a connecting node placement method and device for a tiger window model and a roof opening model. The method comprises the following steps: obtaining a vertical rafter model of a tiger window model; acquiring a longitudinal rafter model of the roof opening model; determining an intersection point of the tiger window model and the roof opening model according to the vertical rafter model and the opening longitudinal rafter model; projecting the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node; determining a first generation surface of the first type toothed plate connection node according to the outer surface of the flange of the longitudinal rafter model of the hole; and generating a first type toothed plate connecting node according to the first generating point and the first generating surface. By adopting the method, the placement efficiency of the connection node can be improved.

Description

Connecting node placement method and device for tiger window model and roof opening model

Technical Field

The application relates to the technical field of computers, in particular to a connecting node placement method and device for a tiger window model and a roof opening model.

Background

With the rapid development of computer technology, automated aided design has been widely applied to various industries.

In general, in the field of building design, automated design software is used to design buildings. In general, when two entity models to be connected are aimed at, a designer often needs to observe the design model, subjectively judge the part to be connected between the entity models, then select the setting position of the connection node by operating the computer device, and generate the connection node at the selected position according to the direction set by the user. For example, when connecting a tiger window model and a roof opening model, it is common to manually select a rafter model in the tiger window model and a rafter model at the roof opening to be connected, and then select a position of a connection node on the rafter model for placement of the connection node.

However, the conventional method of manually placing the connection node between the tiger window model and the roof portal model is inefficient.

Disclosure of Invention

In view of the foregoing, it is desirable to provide a method, an apparatus, a computer device, and a storage medium for placing a connection node between a tiger window model and a roof opening model, which can improve efficiency.

In a first aspect, an embodiment of the present application provides a method for placing a connection node between a tiger window model and a roof opening model, where the method includes:

obtaining a vertical rafter model of a tiger window model;

acquiring a longitudinal rafter model of the roof opening model;

determining an intersection point of the tiger window model and the roof opening model according to the vertical rafter model and the opening longitudinal rafter model;

projecting the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node;

determining a first generation surface of the first type toothed plate connection node according to the outer surface of the flange of the longitudinal rafter model of the hole;

and generating a first type toothed plate connecting node according to the first generating point and the first generating surface.

In a second aspect, an embodiment of the present application provides a method for placing a connection node between a tiger window model and a roof opening model, where the method includes:

obtaining model attribute information of all entity models; the model attribute information is used for representing the types of the entity models;

Screening the vertical rafter model and the roof longitudinal rafter model from all the entity models according to the model attribute information;

performing collision detection on each roof longitudinal rafter model and each tiger window model, and taking the roof longitudinal rafter model with collision as the tunnel portal longitudinal rafter model;

performing intersection relation judgment operation on each vertical rafter model and each opening longitudinal rafter model to obtain a plurality of rafter pairs to be connected; wherein each of the pairs of rafters to be connected comprises a vertical rafter model and a longitudinal rafter model with an intersecting relationship;

respectively performing center point extension operation on the vertical rafter model and the longitudinal opening rafter model of each rafter pair to be connected to obtain intersection points of the tiger window model and the roof opening model; projecting the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node; determining a first generation surface of the first type toothed plate connection node according to the outer surface of the flange of the longitudinal rafter model of the hole; generating a first type toothed plate connecting node according to the first generating point and the first generating surface; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model;

Acquiring a window top rafter model pair of the tiger window model; wherein each of the pair of window top rafter models comprises two intersecting first and second window top rafter models; performing a center point extension operation on the first and second window top rafter models in the window top rafter model pair to obtain an intersection point of the window top rafter model pair; respectively projecting to the outer surfaces of two flanges of the first window top rafter model according to the intersection points of the window top rafter model pairs, and taking the projection points as second generation points of second-class toothed plate connection nodes; determining a second generation surface of the second-class toothed plate connecting node on the outer surfaces of the two flanges of the first window top rafter model; generating a second-class toothed plate connecting node according to the second generating point and the second generating surface;

acquiring a window angle rafter model pair of the tiger window model; wherein each window angle rafter model pair comprises two intersected first window angle rafter models and two intersected second window angle rafter models; performing a center point extending operation on the first window angle beam model and the second window angle beam model in the window angle beam model pair to obtain an intersection point of the window angle beam model pair; projecting intersection points of the window corner rafter model pairs to the outer surfaces of two flanges of the first window corner rafter model respectively, and taking the projection points as third generation points of third-class toothed plate connection nodes; determining a third generation surface of the third category toothed plate connecting node on the outer surfaces of the two flanges of the first window angle rafter model; and generating a third class toothed plate connection node according to the third generation point and the third generation surface.

In a third aspect, an embodiment of the present application provides a connecting node placement device for a tiger window model and a roof portal model, the device including:

the acquisition module is used for acquiring a vertical rafter model of the tiger window model and an opening longitudinal rafter model of the roof opening model;

the processing module is used for determining the intersection point of the tiger window model and the roof opening model according to the vertical rafter model and the opening vertical rafter model; projecting the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node; determining a first generating surface of the first type toothed plate connecting node according to the outer surface of the flange of the longitudinal rafter model of the hole;

and the generating module is used for generating a first type toothed plate connecting node according to the first generating point and the first generating surface.

In a fourth aspect, an embodiment of the present application provides a connecting node placement device for a tiger window model and a roof portal model, the device including:

the acquisition module is used for acquiring model attribute information of all entity models; screening the vertical rafter model and the roof longitudinal rafter model from all the entity models according to the model attribute information; performing collision detection on each roof longitudinal rafter model and each tiger window model, and taking the roof longitudinal rafter model with collision as the tunnel portal longitudinal rafter model; the model attribute information is used for representing the types of the entity models;

The judging module is used for carrying out intersection relation judging operation on each vertical rafter model and each longitudinal rafter model of the hole two by two to obtain a plurality of rafter pairs to be connected; wherein each of the pairs of rafters to be connected comprises a vertical rafter model and a longitudinal rafter model with an intersecting relationship;

the first processing module is used for respectively carrying out central point extension operation on the vertical rafter model and the longitudinal opening rafter model in each rafter pair to be connected to obtain an intersection point of the tiger window model and the roof opening model; projecting the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node; determining a first generation surface of the first type toothed plate connection node according to the outer surface of the flange of the longitudinal rafter model of the hole;

the second processing module is used for acquiring a window top rafter model pair of the tiger window model; wherein each of the pair of window top rafter models comprises two intersecting first and second window top rafter models; performing a center point extension operation on the first and second window top rafter models in the window top rafter model pair to obtain an intersection point of the window top rafter model pair; respectively projecting to the outer surfaces of two flanges of the first window top rafter model according to the intersection points of the window top rafter model pairs, and taking the projection points as second generation points of second-class toothed plate connection nodes; determining a second generation surface of the second-class toothed plate connecting node on the outer surfaces of the two flanges of the first window top rafter model;

The third processing module is used for acquiring a window angle rafter model pair of the tiger window model; wherein each window angle rafter model pair comprises two intersected first window angle rafter models and two intersected second window angle rafter models; performing a center point extending operation on the first window angle beam model and the second window angle beam model in the window angle beam model pair to obtain an intersection point of the window angle beam model pair; projecting intersection points of the window corner rafter model pairs to the outer surfaces of two flanges of the first window corner rafter model respectively, and taking the projection points as third generation points of third-class toothed plate connection nodes; determining a third generation surface of the third category toothed plate connecting node on the outer surfaces of the two flanges of the first window angle rafter model; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model;

The generating module is used for generating a first type toothed plate connecting node according to the first generating point and the first generating surface; generating a second-class toothed plate connecting node according to the second generating point and the second generating surface; and generating a third class toothed plate connection node according to the third generation point and the third generation surface.

In a fifth aspect, embodiments of the present application provide a computer device, including a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:

obtaining a vertical rafter model of a tiger window model;

acquiring a longitudinal rafter model of the roof opening model;

In a sixth aspect, embodiments of the present application provide a computer device, including a memory and a processor, the memory storing a computer program, the processor implementing the following steps when executing the computer program:

In a seventh aspect, embodiments of the present application provide a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:

obtaining a vertical rafter model of a tiger window model;

acquiring a longitudinal rafter model of the roof opening model;

In an eighth aspect, embodiments of the present application provide a computer readable storage medium having stored thereon a computer program which when executed by a processor performs the steps of:

According to the method, the device, the computer equipment and the storage medium for placing the connection node of the tiger window model and the roof opening model, the computer equipment determines the intersection point of the tiger window model and the roof opening model according to the vertical rafter model and the vertical rafter model of the tiger window model and the vertical rafter model of the roof opening model, then projects the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the vertical rafter model of the roof opening to obtain a first generation point of the first type toothed plate connection node, meanwhile, determines the outer surface of the flange of the vertical rafter model of the roof opening to form a first generation surface of the first type toothed plate connection node, and finally automatically generates the first type toothed plate connection node for connecting the tiger window model and the roof opening model according to the first generation point and the first generation surface, so that the automatic placement of the connection node of the tiger window model and the roof opening model is completed. The method avoids the problem of low efficiency of manually placing the connecting node of the tiger window model and the roof opening model in the traditional technology, greatly reduces the workload, improves the difficulty of placing the connecting node and improves the placing efficiency of the connecting node, thereby reducing the design cost. Meanwhile, the design threshold of a designer is reduced, the designer can finish the generation of the connection node through simple operation, and the learning cost is greatly reduced.

Drawings

FIG. 1 is an internal block diagram of a computer device in one embodiment;

FIG. 2 is a schematic flow chart of a method for placing a connecting node between a tiger window model and a roof opening model according to one embodiment;

FIG. 3 is a schematic flow chart of a method for placing a connecting node between a tiger window model and a roof opening model according to another embodiment;

FIG. 4 is a schematic flow chart of a method for placing a connecting node between a tiger window model and a roof opening model according to another embodiment;

FIG. 5 is a schematic flow chart of a method for placing a connecting node between a tiger window model and a roof opening model according to another embodiment;

FIG. 6 is a schematic flow chart of a method for placing a connecting node between a tiger window model and a roof opening model according to another embodiment;

FIG. 6a is a schematic diagram showing the distribution of a first type of toothed plate connection node, a second type of toothed plate connection node, and a third type of toothed plate connection node on a tiger window model and a roof portal model, respectively, according to one embodiment;

FIG. 6b is a schematic diagram showing the distribution of a first type of rack connecting node, a second type of rack connecting node, and a third type of rack connecting node on a tiger window model and a roof portal model, respectively, according to another embodiment;

FIG. 7 is a schematic structural diagram of a connecting node placement device for a tiger window model and a roof opening model according to one embodiment;

fig. 8 is a schematic structural diagram of a connecting node placement device for a tiger window model and a roof opening model according to an embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

The method for placing the connecting node of the tiger window model and the roof opening model, provided by the embodiment of the application, can be suitable for the computer equipment shown in fig. 1. The computer device includes a processor, a memory, a network interface, a database, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device includes a non-volatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, computer programs, and a database. The internal memory provides an environment for the operation of the operating system and computer programs in the non-volatile storage media. The database of the computer device is used for storing relevant information of various models in the following embodiments, and specific description of relevant information of various models is referred to in the following embodiments. The network interface of the computer device may be used to communicate with other devices external through a network connection. Optionally, the computer device may be a server, a desktop, a personal digital assistant, other terminal devices, such as a tablet computer, a mobile phone, and the like, and may be a cloud or remote server, which is not limited to a specific form of the computer device in the embodiments of the present application. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, can also be keys, a track ball or a touch pad arranged on the shell of the computer equipment, and can also be an external keyboard, a touch pad or a mouse and the like. Of course, the input device and the display screen may not be part of the computer device, and may be an external device of the computer device.

It will be appreciated by those skilled in the art that the structure shown in fig. 1 is merely a block diagram of some of the structures associated with the present application and is not limiting of the computer device to which the present application may be applied, and that a particular computer device may include more or fewer components than shown, or may combine certain components, or have a different arrangement of components.

The following describes the technical solution of the present application and how the technical solution of the present application solves the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.

It should be noted that, an execution body of the method embodiment described below may be a connection node placement device of the tiger window model and the roof opening model, where the device may be implemented in a manner of software, hardware, or a combination of software and hardware to form part or all of the above-mentioned computer devices. The following method embodiments are described taking an execution subject as a computer device as an example.

Fig. 2 is a flow chart of a method for placing a connection node between a tiger window model and a roof opening model according to one embodiment. The embodiment relates to a concrete process that computer equipment automatically generates connection nodes of a tiger window model and a roof opening model according to rafter information of a solid model. As shown in fig. 2, the method includes:

S11, acquiring a vertical rafter model of the tiger window model.

Specifically, the computer device may obtain a vertical rafter model in the tiger window model from the design model, for example, may first screen the tiger window model in the design model, and then screen a vertical rafter model in the keel model in the tiger window model; the selected vertical rafter model may also be read, without limitation to this embodiment. Wherein the number of the vertical rafter models can be a plurality.

S12, acquiring a longitudinal rafter model of the roof opening model.

Specifically, the computer device may obtain a longitudinal beam model of the roof opening model from the design model, for example, may screen the roof opening model in the design model first, and then screen the longitudinal beam model of the roof opening model in the keel model; the selected longitudinal rafter models of the opening can also be read, and the embodiment is not limited. The number of the longitudinal rafter models of the tunnel portal can be multiple.

S13, determining the intersection point of the tiger window model and the roof opening model according to the vertical rafter model and the opening vertical rafter model.

Specifically, the computer equipment determines an intersection point of the vertical rafter model and the longitudinal rafter model according to the positions and the orientations of the vertical rafter model and the longitudinal rafter model of the opening, and takes the intersection point as an intersection point of the tiger window model and the roof opening model. For example, the computer device may take the intersection of the line of formation of the vertical rafter model and the line of formation of the portal longitudinal rafter model as the point of intersection of the two, it being noted that the location and orientation of the line of formation of each model can characterize the location and orientation of the model. Optionally, before determining the intersection point of the vertical rafter model and the hole longitudinal rafter model, intersection judgment can be performed between each vertical rafter model and each hole longitudinal rafter model, so as to obtain the vertical rafter model and the hole longitudinal rafter model with an intersection relationship. The computer device may use the vertical rafter model and the longitudinal opening rafter model in an intersecting relationship as the vertical rafter model and the longitudinal opening rafter model to be connected.

And S14, projecting the intersection points of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node.

Specifically, the computer equipment can acquire the outer surfaces of flanges at two sides of the longitudinal rafter model of the hole, and the outer surfaces of the flanges are the largest surfaces of the flanges, and the normal direction of the outer surfaces is opposite to the direction of the C-shaped steel web plate. The computer equipment projects the intersection point of the tiger window model and the roof opening model to the outer surface of the flange of the longitudinal rafter model of the opening, and the obtained projection point is used as a first generation point of a first type toothed plate connecting node. Typically, the C-section has two flanges, so that two first points of formation are available on each portal longitudinal rafter model. Wherein the first type toothed plate connecting node is used for connecting the tiger window model and the roof window model.

S15, determining a first generation surface of the first type toothed plate connecting node according to the outer surface of the flange of the longitudinal rafter model of the hole.

Specifically, the computer device may use the outer surface of the flange of the longitudinal rafter model of the hole as a first generating surface of the first type of toothed plate connection node; the outer surface of the flange of the longitudinal rafter model of the opening can be offset by a certain amount along the normal direction of the outer surface of the flange to serve as a first generation surface, and the embodiment is not limited. As long as the first generating surface and the outer surface of the flange of the portal longitudinal rafter model can be made parallel.

S16, generating a first-class toothed plate connection node according to the first generation point and the first generation surface.

Specifically, the computer device may generate a first type of toothed plate connection node from the first generation point and the first generation face. Optionally, the computer device may further determine the specifications of the first type of dental panel connection nodes in combination with the specifications of the vertical rafter model or the opening longitudinal rafter model, e.g. a large size vertical rafter model may select a large size first type of dental panel connection node and a small size vertical rafter model may select a small size first type of dental panel connection node. Optionally, the computer device may select a suitable first-type toothed plate connection node for placement according to a corresponding relationship between the specification of the vertical rafter model or the hole longitudinal rafter model and the specification of the first-type toothed plate connection node, where the corresponding relationship may be obtained according to national standards, line standards, or design experience, so as to further improve the accuracy of automatically generating the connection node.

In this embodiment, the computer device determines, according to the vertical rafter model of the tiger window model and the vertical rafter model of the opening of the roof, the intersection point of the tiger window model and the opening of the roof according to the vertical rafter model and the vertical rafter model of the opening of the roof, then projects the intersection point of the tiger window model and the opening of the roof on the outer surface of the flange of the vertical rafter model of the opening of the roof to obtain a first generation point of the connecting node of the first type toothed plate, and simultaneously determines the outer surface of the flange of the vertical rafter model of the opening of the roof to determine a first generation surface of the connecting node of the first type toothed plate, and finally automatically generates the connecting node of the first type toothed plate connecting node for connecting the tiger window model and the opening of the roof according to the first generation point and the first generation surface, thereby completing the automatic placement of the connecting node of the tiger window model and the opening of the roof. The method avoids the problem of low efficiency of manually placing the connecting nodes of the tiger window model and the roof opening model in the traditional technology, and the computer equipment is used for automatically completing the placement of the connecting nodes, so that the workload can be greatly reduced, the difficulty of placing the connecting nodes and the placement efficiency of the connecting nodes are greatly improved, the design time is further shortened, and the design cost is reduced. Meanwhile, the design threshold of a designer is reduced, the designer can finish the generation of the connection node through simple operation, and the learning cost is greatly reduced.

Alternatively, on the basis of the above embodiment, one possible implementation manner of the above step S11 may include: obtaining model attribute information of all entity models; the model attribute information is used for representing the types of the entity models; and screening the vertical rafter models from all the entity models according to the model attribute information. Specifically, the computer device may read model attribute information of all entity models in the design model, then traverse the entity models according to the model attribute information, and screen out the vertical rafter models from the model attribute information. The model attribute information may be an identifier of the solid model, for example, a name, an ID, a number, or a type tag, as long as it is information capable of representing that the type of the solid model is a vertical rafter model. By adopting the method, the computer equipment can accurately screen the vertical rafter model to be connected, thereby reducing the data volume of subsequent processing, saving system resources and improving design efficiency.

Alternatively, on the basis of the above embodiment, one possible implementation manner of the above step S12 may include: obtaining model attribute information of all entity models; the model attribute information is used for representing the types of the entity models; screening out roofing longitudinal rafter models from all the entity models according to the model attribute information; and carrying out collision detection on each roof longitudinal rafter model and each tiger window model, and taking the roof longitudinal rafter model with collision as the tunnel portal longitudinal rafter model. Specifically, the computer device may read model attribute information of all entity models in the design model, then traverse the entity models according to the model attribute information, and screen out the roofing longitudinal rafter models therefrom. And then, the computer equipment can also perform collision detection on all the selected longitudinal rafter models of the roof and the rafter models in the tiger window model, for example, perform collision detection on a plurality of longitudinal rafter models of the roof and a plurality of rafter models in the tiger window model, and obtain a collision detection result. The detection results of the rafter models in the roof longitudinal rafter model and the tiger window model can have collision models and can also have non-collision models. The computer equipment counts the collision detection result, and confirms the roof longitudinal rafter model colliding with the tiger window model as a physical model which needs to be connected with the tiger window, and further serves as a tunnel portal longitudinal rafter model. By adopting the method, the computer equipment can accurately and automatically screen the longitudinal rafter model of the opening to be connected based on the collision detection result, so that the data volume of subsequent processing is reduced, the system resource is saved and the design efficiency is improved on the basis of improving the node placement automation degree.

Alternatively, on the basis of the above embodiments, one possible implementation manner of the above step S13 may be as shown in fig. 3, including:

s131, performing intersection relation judgment operation on each vertical rafter model and each longitudinal rafter model of the hole in pairs to obtain a plurality of rafter pairs to be connected; wherein each of said pairs of rafters to be connected comprises a vertical rafter model and a longitudinal rafter model in intersecting relation.

Specifically, the computer device may perform the intersection relationship judgment operation on the vertical rafter model and each hole longitudinal rafter model two by two, for example, adopt boolean operation to obtain a judgment result of whether the two models intersect, and use the intersecting vertical rafter model and the hole longitudinal rafter model as a pair of rafters to be connected, so as to obtain a plurality of pairs of rafters to be connected.

S132, performing central point extension operation on the vertical rafter model and the longitudinal opening rafter model in each rafter pair to be connected to obtain an intersection point of the tiger window model and the roof opening model; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; and taking the intersection point of the first extension line and the second extension line as the intersection point of the tiger window model and the roof opening model.

Specifically, the computer device may perform a center point extending operation on the vertical rafter model and the hole rafter model in each of the to-be-connected rafter pairs, that is, project the center point of the vertical rafter model onto the maximum surface of the vertical rafter model to obtain a projection point, and then extend the projection point along the length direction of the vertical rafter model to obtain an extension line of the vertical rafter model, and obtain an extension line of the hole longitudinal rafter model by adopting the method. The computer device takes the intersection point of the extending lines of the vertical rafter model and the opening rafter model as the intersection point of the vertical rafter model and the opening rafter model, so that one intersection point of the first extending line, the opening longitudinal rafter model tiger window model and the roof opening model is obtained. Since there are a plurality of pairs of rafters to be connected, a plurality of intersections of the vertical rafter model and the hole rafter model can be obtained.

In this embodiment, the computer device performs the intersection relationship judging operation on each vertical rafter model and each hole longitudinal rafter model two by two, so as to obtain a plurality of to-be-connected rafter pairs including the vertical rafter models and the hole longitudinal rafter models having the intersection relationship, and then the computer device performs the center point extending operation on the vertical rafter models and the hole longitudinal rafter models in each to-be-connected rafter pair, where the center point extending operation includes: projecting the central point of the first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; and taking the intersection point of the first extension line and the second extension line as the intersection point of the tiger window model and the roof opening model, so that the intersection point of the tiger window model and the roof opening model can be obtained based on the central point extension operation. The computer equipment can automatically set the connection nodes at the intersection points to realize the automatic connection of the vertical rafter model and the vertical rafter model of the opening, so as to realize the automatic setting of the connection nodes of the tiger window model and the roof opening model, and further improve the setting accuracy of the connection nodes.

Optionally, on the basis of the above embodiments, the method further includes a process of reinforcing the tiger window model, namely, a process of reasonably arranging connection nodes between rafters of the tiger window, which can be specifically described in the following embodiments.

As shown in fig. 4, on the basis of the above embodiments, the method may further include the following steps:

s21, acquiring a window top rafter model pair of the tiger window model; wherein each of the pair of window top rafter models comprises two intersecting first and second window top rafter models.

S22, performing center point extension operation on the first window top rafter model and the second window top rafter model in the window top rafter model pair to obtain an intersection point of the window top rafter model pair; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; and taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model.

Specifically, the detailed description of the intersection points of the rafter models in this embodiment may refer to the specific process of obtaining the vertical rafter model and the longitudinal rafter model of the opening in the embodiment shown in fig. 3, which is not described herein. The window top rafter model of the tiger window model may be obtained by screening according to model attribute information of each entity model in the tiger window model, or may be obtained by screening by combining position information of the rafter model, which is not limited in this embodiment.

And S23, respectively projecting intersection points of the window top rafter model pairs to the outer surfaces of the two flanges of the first window top rafter model, and taking the projection points as second generation points of second-class toothed plate connection nodes.

S24, determining a second generation surface of the second-class toothed plate connecting node according to the outer surfaces of the two flanges of the first window top rafter model.

And S25, generating a second-class toothed plate connection node according to the second generation point and the second generation surface.

Specifically, the computer device projects the intersection point of the pair of window top rafter models onto the outer surfaces of the two flanges of the first window top rafter model, and generally one rafter model is provided with two flanges, so that two projection points can be obtained, and the computer device takes the two projection points as second generation points of the connecting nodes of the two second-class toothed plates. The second category of toothed plate connection nodes are used to connect intersecting roof rafter models. The computer device further determines the second generating surface of the second-class toothed plate connecting node according to the outer surfaces of the two flanges of the first window top rafter model, and further generates the second-class toothed plate connecting node according to the second generating point and the second generating surface, and the implementation principle and the technical effect of the process can be seen from the detailed description of the foregoing steps S15 and S16, which are not repeated herein.

According to the method adopted by the embodiment, the automatic setting of the connection nodes of the two window top rafter models in the window top rafter model pair can be realized through the steps, the accuracy and the rationality of the connection node setting are further improved, and the automation degree of the connection node setting is improved.

As shown in fig. 5, on the basis of the above embodiments, the method may further include the following steps:

s31, acquiring a window angle rafter model pair of the tiger window model; wherein each of the window corner rafter model pairs comprises two intersecting first and second window corner rafter models.

S32, performing center point extension operation on the first window angle rafter model and the second window angle rafter model in the window angle rafter model pair to obtain an intersection point of the window angle rafter model pair; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; and taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model.

S33, respectively projecting intersection points of the window angle rafter model pairs to the outer surfaces of two flanges of the first window angle rafter model, and taking the projection points as third generation points of third-class toothed plate connection nodes;

s34, determining a third generation surface of the third-class toothed plate connecting node on the outer surfaces of the two flanges of the first window angle rafter model;

and S35, generating a third class toothed plate connection node according to the third generation point and the third generation surface.

The detailed description of each step in this embodiment may also refer to the foregoing processes in the embodiments of fig. 2 and fig. 4, and only the implemented objects are different, so that the principle and technical effects will not be repeated.

For a more clear description of the solution provided in the embodiments of the present application, a specific embodiment is described in detail herein, as shown in fig. 6, including:

s41, obtaining model attribute information of all entity models; the model attribute information is used for representing the types of the entity models.

S42, screening the vertical rafter model and the roof longitudinal rafter model from all the entity models according to the model attribute information.

S43, carrying out collision detection on each roof longitudinal rafter model and each tiger window model, and taking the roof longitudinal rafter model with collision as the tunnel portal longitudinal rafter model.

S44, performing intersection relation judgment operation on each vertical rafter model and each longitudinal rafter model of the hole in pairs to obtain a plurality of rafter pairs to be connected; wherein each of said pairs of rafters to be connected comprises a vertical rafter model and a longitudinal rafter model in intersecting relation.

S45, respectively performing center point extension operation on the vertical rafter model and the longitudinal opening rafter model of each rafter pair to be connected to obtain an intersection point of the tiger window model and the roof opening model; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model; projecting the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node; determining a first generation surface of the first type toothed plate connection node according to the outer surface of the flange of the longitudinal rafter model of the hole; and generating a first type toothed plate connecting node according to the first generating point and the first generating surface.

S46, acquiring a window top rafter model pair of the tiger window model; wherein each of the pair of window top rafter models comprises two intersecting first and second window top rafter models; performing a center point extension operation on the first and second window top rafter models in the window top rafter model pair to obtain an intersection point of the window top rafter model pair; respectively projecting to the outer surfaces of two flanges of the first window top rafter model according to the intersection points of the window top rafter model pairs, and taking the projection points as second generation points of second-class toothed plate connection nodes; determining a second generation surface of the second-class toothed plate connecting node on the outer surfaces of the two flanges of the first window top rafter model; and generating a second class toothed plate connection node according to the second generation point and the second generation surface.

S47, acquiring a window angle rafter model pair of the tiger window model; wherein each window angle rafter model pair comprises two intersected first window angle rafter models and two intersected second window angle rafter models; performing a center point extending operation on the first window angle beam model and the second window angle beam model in the window angle beam model pair to obtain an intersection point of the window angle beam model pair; projecting intersection points of the window corner rafter model pairs to the outer surfaces of two flanges of the first window corner rafter model respectively, and taking the projection points as third generation points of third-class toothed plate connection nodes; determining a third generation surface of the third category toothed plate connecting node on the outer surfaces of the two flanges of the first window angle rafter model; and generating a third class toothed plate connection node according to the third generation point and the third generation surface.

The implementation principle and technical effect of the steps in this embodiment may be referred to the foregoing embodiments, and will not be described herein.

Fig. 6a is a schematic distribution diagram of the above-mentioned first type toothed plate connection node, second type toothed plate connection node and third type toothed plate connection node on the tiger window model and the roof opening model, respectively, as shown in fig. 6a, 1 is the second type toothed plate connection node, 2 is the third type toothed plate connection node, and 3 and 4 are the first type toothed plate connection nodes. Fig. 6b is a view of the structure of fig. 6a in other directions.

It should be understood that, although the steps in the flowcharts of fig. 2-6 are shown in order as indicated by the arrows, these steps are not necessarily performed in order as indicated by the arrows. The steps are not strictly limited to the order of execution unless explicitly recited herein, and the steps may be executed in other orders. Moreover, at least some of the steps in fig. 2-6 may include multiple sub-steps or stages that are not necessarily performed at the same time, but may be performed at different times, nor does the order in which the sub-steps or stages are performed necessarily occur in sequence, but may be performed alternately or alternately with at least a portion of the sub-steps or stages of other steps or other steps.

In one embodiment, as shown in fig. 7, there is provided a connection node placement device of a tiger window model and a roof opening model, wherein the device includes:

an acquisition module 100 for acquiring a vertical rafter model of a tiger window model and an opening longitudinal rafter model of the roof opening model;

a processing module 200, configured to determine an intersection point of the tiger window model and the roof opening model according to the vertical rafter model and the opening longitudinal rafter model; projecting the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node; determining a first generating surface of the first type toothed plate connecting node according to the outer surface of the flange of the longitudinal rafter model of the hole;

the generating module 300 is configured to generate a first type of toothed plate connection node according to the first generating point and the first generating surface.

In one embodiment, the obtaining module 100 is specifically configured to obtain model attribute information of all entity models; screening the vertical rafter models from all the entity models according to the model attribute information; the model attribute information is used for representing the types of the entity models; .

In one embodiment, the obtaining module 100 is specifically configured to obtain model attribute information of all entity models; screening out roofing longitudinal rafter models from all the entity models according to the model attribute information; performing collision detection on each roof longitudinal rafter model and each tiger window model, and taking the roof longitudinal rafter model with collision as the tunnel portal longitudinal rafter model; the model attribute information is used for representing the types of the entity models.

In one embodiment, the processing module 200 is specifically configured to perform intersection relationship judgment operation on each vertical rafter model and each hole longitudinal rafter model two by two, so as to obtain a plurality of rafter pairs to be connected; wherein each of the pairs of rafters to be connected comprises a vertical rafter model and a longitudinal rafter model with an intersecting relationship; respectively performing center point extension operation on the vertical rafter model and the longitudinal opening rafter model of each rafter pair to be connected to obtain intersection points of the tiger window model and the roof opening model; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; and taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model.

In one embodiment, the obtaining module 100 is further configured to obtain a pair of roof rafter models of the tiger window model; wherein each of the pair of window top rafter models comprises two intersecting first and second window top rafter models;

the processing module 200 is further configured to perform a center point extending operation on the first window top beam model and the second window top beam model in the pair of window top beam models, so as to obtain an intersection point of the pair of window top beam models; respectively projecting to the outer surfaces of two flanges of the first window top rafter model according to the intersection points of the window top rafter model pairs, and taking the projection points as second generation points of second-class toothed plate connection nodes; determining a second generation surface of the second-class toothed plate connecting node on the outer surfaces of the two flanges of the first window top rafter model; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model;

The generating module 300 is further configured to generate a second-class toothed plate connection node according to the second generating point and the second generating plane.

In one embodiment, the obtaining module 100 is further configured to obtain a pair of window angle rafters models of the tiger window model; wherein each window angle rafter model pair comprises two intersected first window angle rafter models and two intersected second window angle rafter models;

the processing module 200 is further configured to perform a center point extending operation on the first window angle beam model and the second window angle beam model in the window angle beam model pair, so as to obtain an intersection point of the window angle beam model pair; projecting intersection points of the window corner rafter model pairs to the outer surfaces of two flanges of the first window corner rafter model respectively, and taking the projection points as third generation points of third-class toothed plate connection nodes; determining a third generation surface of the third category toothed plate connecting node on the outer surfaces of the two flanges of the first window angle rafter model; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model;

The generating module 300 is further configured to generate a third type of toothed plate connection node according to the third generating point and the third generating plane.

For the specific limitation of the connection node placement device of the tiger window model and the roof opening model, reference may be made to the limitation of the connection node placement method of the tiger window model and the roof opening model hereinabove, and the description thereof will not be repeated here. All or part of the modules in the connecting node placement device of the tiger window model and the roof opening model can be realized by software, hardware and a combination of the software and the hardware. The above modules may be embedded in hardware or may be independent of a processor in the computer device, or may be stored in software in a memory in the computer device, so that the processor may call and execute operations corresponding to the above modules.

In one embodiment, as shown in fig. 8, there is provided a connection node placement device of a tiger window model and a roof opening model, wherein the device includes:

an obtaining module 400, configured to obtain model attribute information of all entity models; screening the vertical rafter model and the roof longitudinal rafter model from all the entity models according to the model attribute information; performing collision detection on each roof longitudinal rafter model and each tiger window model, and taking the roof longitudinal rafter model with collision as the tunnel portal longitudinal rafter model; the model attribute information is used for representing the types of the entity models;

The judging module 500 is configured to perform intersection relation judging operations on each vertical rafter model and each hole longitudinal rafter model two by two, so as to obtain a plurality of rafter pairs to be connected; wherein each of the pairs of rafters to be connected comprises a vertical rafter model and a longitudinal rafter model with an intersecting relationship;

a first processing module 600, configured to perform a center point extending operation on the vertical rafter model and the hole longitudinal rafter model in each of the to-be-connected rafter pairs, so as to obtain an intersection point of the tiger window model and the roof hole model; projecting the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node; determining a first generation surface of the first type toothed plate connection node according to the outer surface of the flange of the longitudinal rafter model of the hole;

a second processing module 700 for obtaining a pair of roof rafter models of the tiger window model; wherein each of the pair of window top rafter models comprises two intersecting first and second window top rafter models; performing a center point extension operation on the first and second window top rafter models in the window top rafter model pair to obtain an intersection point of the window top rafter model pair; respectively projecting to the outer surfaces of two flanges of the first window top rafter model according to the intersection points of the window top rafter model pairs, and taking the projection points as second generation points of second-class toothed plate connection nodes; determining a second generation surface of the second-class toothed plate connecting node on the outer surfaces of the two flanges of the first window top rafter model;

A third processing module 800 for obtaining a pair of window angle rafter models of the tiger window model; wherein each window angle rafter model pair comprises two intersected first window angle rafter models and two intersected second window angle rafter models; performing a center point extending operation on the first window angle beam model and the second window angle beam model in the window angle beam model pair to obtain an intersection point of the window angle beam model pair; projecting intersection points of the window corner rafter model pairs to the outer surfaces of two flanges of the first window corner rafter model respectively, and taking the projection points as third generation points of third-class toothed plate connection nodes; determining a third generation surface of the third category toothed plate connecting node on the outer surfaces of the two flanges of the first window angle rafter model; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model;

The generating module 900 is configured to generate a first type of toothed plate connection node according to the first generating point and the first generating surface; generating a second-class toothed plate connecting node according to the second generating point and the second generating surface; and generating a third class toothed plate connection node according to the third generation point and the third generation surface.

In one embodiment, a computer device is provided, including a memory and a processor, where the memory stores a computer program, and the processor implements the steps in the above method embodiments when the processor executes the computer program, and specifically implements the following steps: obtaining a vertical rafter model of a tiger window model; acquiring a longitudinal rafter model of the roof opening model; determining an intersection point of the tiger window model and the roof opening model according to the vertical rafter model and the opening longitudinal rafter model; projecting the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node; determining a first generation surface of the first type toothed plate connection node according to the outer surface of the flange of the longitudinal rafter model of the hole; and generating a first type toothed plate connecting node according to the first generating point and the first generating surface.

It should be clear that the process of executing the computer program by the processor in the embodiment of the present application is consistent with the execution of each step in the above method, and specific reference may be made to the foregoing description.

In one embodiment, a computer device is provided comprising a memory and a processor, the memory having stored therein a computer program, the processor when executing the computer program performing the steps of: obtaining model attribute information of all entity models; the model attribute information is used for representing the types of the entity models; screening the vertical rafter model and the roof longitudinal rafter model from all the entity models according to the model attribute information; performing collision detection on each roof longitudinal rafter model and each tiger window model, and taking the roof longitudinal rafter model with collision as the tunnel portal longitudinal rafter model; performing intersection relation judgment operation on each vertical rafter model and each opening longitudinal rafter model to obtain a plurality of rafter pairs to be connected; wherein each of the pairs of rafters to be connected comprises a vertical rafter model and a longitudinal rafter model with an intersecting relationship;

In one embodiment, a computer readable storage medium is provided, on which a computer program is stored, which when executed by a processor implements the steps of the method embodiments described above, in particular the following steps: obtaining a vertical rafter model of a tiger window model; acquiring a longitudinal rafter model of the roof opening model; determining an intersection point of the tiger window model and the roof opening model according to the vertical rafter model and the opening longitudinal rafter model; projecting the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node; determining a first generation surface of the first type toothed plate connection node according to the outer surface of the flange of the longitudinal rafter model of the hole; and generating a first type toothed plate connecting node according to the first generating point and the first generating surface.

In one embodiment, a computer readable storage medium is provided having a computer program stored thereon, which when executed by a processor, performs the steps of:

Those skilled in the art will appreciate that implementing all or part of the above described methods may be accomplished by way of a computer program stored on a non-transitory computer readable storage medium, which when executed, may comprise the steps of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the various embodiments provided herein may include non-volatile and/or volatile memory. The nonvolatile memory can include Read Only Memory (ROM), programmable ROM (PROM), electrically Programmable ROM (EPROM), electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double Data Rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous Link DRAM (SLDRAM), memory bus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), among others.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims

1. A method for placing a connecting node between a tiger window model and a roof opening model, the method comprising:

obtaining a vertical rafter model of a tiger window model;

acquiring a longitudinal rafter model of the roof opening model;

taking the outer surface of a flange of the longitudinal rafter model of the hole as a first generation surface of the first type toothed plate connecting node;

generating a first type toothed plate connecting node according to the first generating point and the first generating surface; the first-class toothed plate connecting node is used for connecting the tiger window model with the roof opening model.

2. The method of claim 1, wherein said obtaining a vertical rafter model of a tiger window model comprises:

and screening the vertical rafter models from all the entity models according to the model attribute information.

3. The method of claim 1, wherein the obtaining the portal longitudinal rafter model of the roofing portal model comprises:

Screening out roofing longitudinal rafter models from all the entity models according to the model attribute information;

and carrying out collision detection on each roof longitudinal rafter model and each tiger window model, and taking the roof longitudinal rafter model with collision as the tunnel portal longitudinal rafter model.

4. A method according to any one of claims 1 to 3, wherein said determining the intersection of said tiger window model and said roofing portal model from said vertical rafter model and said portal longitudinal rafter model comprises:

respectively performing center point extension operation on the vertical rafter model and the longitudinal opening rafter model of each rafter pair to be connected to obtain intersection points of the tiger window model and the roof opening model;

wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; and taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model.

5. A method according to any one of claims 1 to 3, further comprising:

acquiring a window top rafter model pair of the tiger window model; wherein each of the pair of window top rafter models comprises two intersecting first and second window top rafter models;

performing a center point extension operation on the first and second window top rafter models in the window top rafter model pair to obtain an intersection point of the window top rafter model pair; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model;

Respectively projecting to the outer surfaces of two flanges of the first window top rafter model according to the intersection points of the window top rafter model pairs, and taking the projection points as second generation points of second-class toothed plate connection nodes;

determining a second generation surface of the second-class toothed plate connecting node on the outer surfaces of the two flanges of the first window top rafter model;

and generating a second class toothed plate connection node according to the second generation point and the second generation surface.

6. A method according to any one of claims 1 to 3, further comprising:

acquiring a window angle rafter model pair of the tiger window model; wherein each window angle rafter model pair comprises two intersected first window angle rafter models and two intersected second window angle rafter models;

performing a center point extending operation on the first window angle beam model and the second window angle beam model in the window angle beam model pair to obtain an intersection point of the window angle beam model pair; wherein the center point extension operation includes: projecting the central point of a first rafter model to the maximum surface of the first rafter model to obtain a first projection point, and extending the first projection point along the length direction of the first rafter model to obtain a first extension line; projecting the central point of the second rafter model to the maximum surface of the second rafter model to obtain a second projection point, and extending the second projection point along the length direction of the second rafter model to obtain a second extension line; taking the intersection point of the first extension line and the second extension line as the intersection point of the first rafter model and the second rafter model;

Projecting intersection points of the window corner rafter model pairs to the outer surfaces of two flanges of the first window corner rafter model respectively, and taking the projection points as third generation points of third-class toothed plate connection nodes;

determining a third generation surface of the third category toothed plate connecting node on the outer surfaces of the two flanges of the first window angle rafter model;

and generating a third class toothed plate connection node according to the third generation point and the third generation surface.

7. A method for placing a connecting node between a tiger window model and a roof opening model, the method comprising:

screening a vertical rafter model and a roofing longitudinal rafter model from all the entity models according to the model attribute information;

performing collision detection on each roof longitudinal rafter model and each tiger window model, and taking the roof longitudinal rafter model with collision as an opening longitudinal rafter model;

performing intersection relation judgment operation on each vertical rafter model and each opening longitudinal rafter model to obtain a plurality of rafter pairs to be connected; wherein each of the pairs of rafters to be connected comprises a vertical rafter model and a longitudinal rafter model of the opening in an intersecting relationship;

8. A connecting node placement device for a tiger window model and a roof portal model, the device comprising:

the processing module is used for determining the intersection point of the tiger window model and the roof opening model according to the vertical rafter model and the opening vertical rafter model; projecting the intersection point of the tiger window model and the roof opening model on the outer surface of the flange of the longitudinal rafter model of the opening to obtain a first generation point of a first type toothed plate connecting node; taking the outer surface of the flange of the longitudinal rafter model of the hole as a first generating surface of the first type toothed plate connecting node;

the generating module is used for generating a first type toothed plate connecting node according to the first generating point and the first generating surface; the first-class toothed plate connecting node is used for connecting the tiger window model with the roof opening model.

9. A connecting node placement device for a tiger window model and a roof portal model, the device comprising:

The acquisition module is used for acquiring model attribute information of all entity models; screening a vertical rafter model and a roofing longitudinal rafter model from all the entity models according to the model attribute information; performing collision detection on each roof longitudinal rafter model and each tiger window model, and taking the roof longitudinal rafter model with collision as an opening longitudinal rafter model; the model attribute information is used for representing the types of the entity models;

the judging module is used for carrying out intersection relation judging operation on each vertical rafter model and each longitudinal rafter model of the hole two by two to obtain a plurality of rafter pairs to be connected; wherein each of the pairs of rafters to be connected comprises a vertical rafter model and a longitudinal rafter model of the opening in an intersecting relationship;

10. A computer device comprising a memory and a processor, the memory storing a computer program, characterized in that the processor implements the steps of the method of any of claims 1 to 7 when the computer program is executed.

11. A computer readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the method of any of claims 1 to 7.