CN114756921A - Web end sports stadium design modeling method based on parameterized logic drive - Google Patents

Abstract

The invention relates to a web end sports stadium design modeling method based on parameterized logic drive, which comprises the following steps: 1) the method comprises the steps that a terminal obtains user-defined building parameters of a stadium to be generated, which are input by a user and comprise the function type of the stadium, whether the stadium contains national fitness or not, the number of audiences and the area of the stadium; 2) and the background server selects a stadium model with a corresponding proper scale according to the self-defined building parameters and adjusts the size and the area, so that the shape of the stadium model is adjusted, and finally the generated model is dynamically displayed to the user. Compared with the prior art, the method has the advantages of real-time adjustment of the webpage end, accurate positioning, dynamic interaction of module information and the like.

Description

A web-side stadium design modeling method based on parametric logic drive

technical field

The invention relates to the field of computer-aided architectural design, in particular to a web-side stadium design modeling method driven by parameterized logic.

Background technique

3D models have been used in a variety of different fields, in the video game industry as resources in computers and video games, in the sciences as accurate models of compounds, and in the construction industry to display proposed buildings or landscapes performance; the engineering community uses them to design new equipment, vehicles, structures, and other applications.

For the 3D design of stadiums, there is currently no 3D parametric model platform for stadiums that supports user interaction through the web, and there is no parametric model customization platform for stadiums that can be used for the model prediction of stadiums at different scales. The existing parametric modeling software cannot connect the real-time interaction between the web page and the user, nor can it generate a prediction model that meets the requirements of the stadium process and area ratio, and also encounter the following technical problems:

1) Different modules of the model cannot achieve accurate positioning during the splicing process after the size parameters are adjusted;

2) It is difficult to convert the parameters input by the user into the parameter adjustment rules of each module of the venue model.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a web-side stadium design and modeling method driven by parameterized logic in order to overcome the above-mentioned defects of the prior art.

The object of the present invention can be realized through the following technical solutions:

A web-side stadium design and modeling method driven by parametric logic, the method includes the following steps:

1) The terminal obtains the custom building parameters of the stadium to be generated entered by the user;

2) The back-end server selects the appropriate size of the stadium model according to the custom building parameters and adjusts the size and area to realize the shape adjustment of the stadium model, and finally dynamically display the generated model to the user.

In the step 1), the custom building parameters include the function type of the venue, whether it includes national fitness, the number of spectators, and the area of the venue.

Described step 2) specifically comprises the following steps:

21) Determine the core field core function of the venue and determine the size of the field core according to the functional type of the venue;

22) Determine the number of audience seats and determine the stand mode according to the number of audiences;

23) Calculate the adjustment ratio of each module according to the input venue area;

24) Adjust the model block of the stadium model according to the adjustment ratio, and form a dynamic construction effect;

25) According to the model block selected by the user, corresponding display function and block area information.

In the described step 21), the functional type of the venue includes a land sports type and a water sports type, the mode of the land sports type includes a gymnasium for training and a sports gymnasium, and the mode of the water sports type includes a swimming pool. And swimming + diving hall.

Select the corresponding prefabricated field core model template according to the different function types of the venue to form the determined field core size, specifically:

When the function type mode of the venue is a training gymnasium and a sports gymnasium for land sports, the core of the venue is selected as a basketball court;

When the function type mode of the venue is a swimming pool of water sports type, the core of the venue is selected as a single swimming pool;

When the function type mode of the venue is the swimming + diving hall of the water sports type, the field core is selected as the swimming pool + diving pool.

In the described step 22), the stand modes of the swimming pool of the water sports type include one-sided and double-sided, and the grandstand mode of the gymnasium of the land sports type includes one-sided, two-sided and four-sided, and the corresponding stand arrangement mode is selected according to the number of spectators. , and determine the number of rows.

Described step 23) is specifically:

Taking the area and size of the original BIM model in the backend server as the base model for scaling reference, define the total area of all blocks in the original BIM model as S ₀ , the area of the site core and the original stand as S ₁ and S ₂ respectively, and the area of part of the stand S ₂ includes the horizontal projection of the step area of the stand slope and the space area of the lower part of the stand. After obtaining the number of spectators input by the user and regenerating the number of rows, the partial area S ₂ of the stand becomes S′ ₂ , the field core area is fixed as S ₁ , and the user The input venue area is S′ ₀ , and the adjustment ratio R of the remaining block area is calculated.

The calculation formula of the remaining block area adjustment ratio R is:

R={S' ₀ -(S' ₂ +S ₁ )}/{S ₀ -(S ₂ +S ₁ )}.

In the step 24), if the custom building parameters input by the user include national fitness, the area of the relevant functional modules is adjusted; otherwise, the model blocks of the stadium model are directly adjusted according to the adjustment ratio.

Systems implementing this design modeling approach include:

Data input module: used to obtain the custom building parameters of the stadium to be generated input by the user;

Judgment selection module: used to realize user selection mode judgment, and select the corresponding mode template;

Active interaction module: It is used to provide a unified event trigger interface for each module to realize the generation of the main model of the stadium, the loading of the menu toolbar, the operation of model attributes and the triggering of events;

Calculation and analysis module: convert the user-defined building parameters into internal parameters for calculation, and form the data size of each module according to the preset logic rules;

Data exchange module: establishes the object mapping relationship through the shape and data size, and realizes the internal data conversion function of the 3D model and the data model component;

3D graphics display module: used to realize 3D model analysis, manage model scenes, process and output graphics and display, and provide model display and control model operation and layout functions;

Data management and analysis module: Manage the measurement data and perform statistical analysis on it according to the set rules.

Compared with the prior art, the present invention has the following advantages:

The invention proposes a method for dynamically adjusting stadium modeling based on the building parameters input by the user at the web end of the web page. Through the parameter information such as the building area, the number of seats in the stadium, the function configuration options and the like input by the user on the front-end interface, the JavaScript development language is used to construct the model of the stadium. The pre-built modular BIM model of the back-end venue is used for mode selection, size calculation and scale and shape adjustment, and the adjusted model results are connected to the web user interface using WebGL technology. The interface also provides users with venue function viewing, venue area Ratio analysis, dynamic section display and other interactive functions, and can be connected to the follow-up evaluation system to perform intelligent evaluation of the operational performance of the area ratio of the generated venue model.

Description of drawings

FIG. 1 is an overall technical flow chart of the present invention.

Figure 2 shows the field core selection mode.

Figure 3 is a structural relationship diagram of each sub-module in the simulated construction.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example

The present invention provides a web-side stadium design and modeling method driven by parametric logic. The user inputs building parameters on the web terminal, such as the area of the gymnasium, the number of seats, the area of the stadium core, the functional type of the stadium, whether it includes national fitness, etc. After the parameters are input, the parameters are converted into the shape adjustment logic of the venue model, and then the preset venue model template is intelligently selected and dynamically adjusted by this logic, and finally a 3D venue model corresponding to the user-defined scale is dynamically generated and displayed. And provide the corresponding function distribution and area information.

1. Product side:

The user enters the custom building parameters of the stadium to be generated on the terminal, including the function type of the stadium, whether it includes national fitness, the number of spectators, and the area of the stadium.

After the user inputs the user-defined building parameters, the backend server selects the appropriate scale venue model model according to the preset logic calculation rules to adjust the size and area, realizes the shape adjustment of the model according to the calculation results, and finally displays the generated model dynamically to the user. .

The preset logic rules are as follows:

The back-end server determines the corresponding venue core template according to the venue type selected by the user, and selects the layout type of the spectator stands according to the entered number of spectators in the venue and calculates the specific row number, and then calculates the area of the stand area and the space under the seats; and deducts the venue according to the input overall area parameter. After calculating the scaling ratio of the auxiliary function modules in the core area, the stand area, and the area under the seats, and taking the stand size as the benchmark, scale the size of the auxiliary function modules and place them in alignment.

2. Technical side:

As shown in Figure 1, the overall technical process of the present invention includes the following steps:

(1) Determine the core field core functions of the venue, as shown in Figure 2. Combined with the different modes of the venue function type (natatorium, swimming + diving hall, gymnasium (competition), gymnasium (training), etc.) selected by the user, select the corresponding prefabricated Field core model template to form a definite field core size;

(2) Determine the number of audience seats;

The number of seats is mainly used to determine the mode of the stands. For water swimming pools, there may be differences between one side and two sides. For land gymnasiums, there may be differences between one side, two sides, and four sides, depending on the number of spectators. Corresponding to the layout mode of the stands, and calculate the number of rows.

(3) Determine the venue area and the adjustment ratio of each module

Taking the area and size of the original BIM model in the backend server as the base model for scaling reference, define the total area of all the blocks in the original BIM model as S ₀ , the inner core of the venue and the original stand area as S ₁ (fixed value) and S ₂ respectively , the stand part area S ₂ includes the horizontal plane projection of the step area of the stand slope and the space area of the lower part of the stand.

When the user inputs the number of people and regenerates the number of rows, the stand area becomes S' ₂ , the field core area is fixed as S ₁ , and the venue area entered by the user is S' ₀ . By calculating the formula R={S' ₀ -(S' ₂ + S ₁ )}/{S ₀ -(S ₂ +S ₁ )} determine the remaining block area adjustment ratio R;

(4) Adjust the model blocks in proportion to form a dynamic construction effect

By readjusting each module of the model according to the calculated ratio R value, the generated new modules are re-spliced to form a venue model with corresponding parameters, and each module is displayed in sequence according to the predetermined display order to generate the splicing effect, and the function description of the model splicing process is displayed at the same time. .

The specific process of splicing is as follows:

For the adjusted new module, the three-dimensional spatial coordinate points of each block are calculated respectively, and the four-corner coordinates of the field core and the length and total height of the auditorium are used as the reference to carry out the spatial position alignment and capture, and gradually follow the spatial order from bottom to top. drop stitching.

(5) According to the model block selected by the user, corresponding display function and block area information

After the model is completely overlapped and generated, the user can independently rotate to view the details of the model, and can click to view the function information and area ratio of the corresponding module by selecting each module, or transfer it to the operation evaluation module for venue operation data analysis.

As shown in FIG. 3 , in order to realize the above-mentioned web-side stadium design modeling method, the present invention also provides a web-side stadium design modeling system, which is developed through JavaScript and WebGL, and the whole system adopts the following several functional modules Attributes implement user-defined interactions:

Data input module: obtain the user-defined building parameters of the stadium to be generated;

Judgment and selection module: realize the judgment of the user's selection mode through built-in logic rules, and select the corresponding mode template to participate in the subsequent data calculation

Active interaction module: Provide a unified event trigger interface for each sub-module, responsible for the generation of the main model, the loading of the menu toolbar, the operation of model attributes and the triggering of events.

Calculation and analysis module: Convert the user input parameters into internal parameters for operation, and form the data size of each sub-module according to the preset logic rules.

Data exchange module: Establish Object Relationmapping (ORM) through shape and data size to realize the internal data conversion function of 3D model and data model components

3D graphics display module: It can realize 3D model analysis, manage model scenes, process and output graphics and display modules, provide model display and control model operation and layout functions.

Data management and analysis module: Manage measurement data (such as module area) and perform statistical analysis on it according to certain rules.

To sum up, the present invention realizes the accurate alignment of the lap joint process after model adjustment through the calculation of three-dimensional space point coordinates, and can convert the user's simple input parameters into model parameter adjustment rules, thereby realizing the dynamic shape adjustment of the model.

Claims (10)

1. A web end sports stadium design modeling method based on parameterized logic drive is characterized by comprising the following steps:

1) the method comprises the steps that a terminal obtains user-defined building parameters of a stadium to be generated, which are input by a user;

2) and the background server selects a stadium model with a corresponding proper scale according to the self-defined building parameters and adjusts the size and the area, so that the shape of the stadium model is adjusted, and finally the generated model is dynamically displayed to the user.

2. The parameterized-logic-driven web-based end-of-life sports stadium design and modeling method of claim 1, wherein in the step 1), the custom building parameters comprise the type of stadium function, whether the national fitness is included, the number of audiences, and the stadium area.

3. The parameterized-logic-driven web-end sports stadium design modeling method according to claim 2, wherein the step 2) specifically comprises the following steps:

21) determining the core function of the venue and determining the size of the core according to the type of the venue function;

22) determining the number of seats of the audience and determining a stand mode according to the number of the audiences;

23) calculating the adjustment proportion of each module according to the input venue area;

24) adjusting the model block of the stadium model according to the adjusting proportion, and forming a dynamic building effect;

25) and correspondingly displaying the function and the area information of the model blocks according to the model blocks selected by the user.

4. The parameterized-logic-driven web-end sports stadium design modeling method according to claim 3, wherein in step 21), the stadium function types include a land sport type and a water sport type, the modes of the land sport type include a training stadium and a competitive stadium, and the modes of the water sport type include a swimming stadium and a swimming + diving stadium.

5. The parametric logic-driven web end sports stadium design modeling method based on claim 4 is characterized in that corresponding prefabricated stadium core model templates are selected according to different modes of stadium function types to form a determined stadium core size, and specifically the method comprises the following steps:

when the function type mode of the stadium is a training stadium and a competitive stadium of a land sport type, the court core is selected as a basketball court;

when the stadium function type mode is a water sports type swimming stadium, the stadium core is selected as a single swimming pool;

when the venue function type mode is swimming and diving of the water sports type, the venue core is selected as a swimming pool and a diving pool.

6. The parameterized-logic-driven web-based end-of-life stadium design modeling method of claim 3, wherein in step 22), the stadium mode of the aquatic-sports-type swimming pool comprises one side and two sides, the stadium mode of the terrestrial-sports-type stadium comprises one side, two sides and four sides, the corresponding stadium layout mode is selected according to the number of the audience, and the number of rows is determined.

7. The parameterized-logic-driven web-end sports stadium design modeling method according to claim 3, wherein the step 23) is specifically:

defining the total area of all the blocks of the original BIM model as S by using the area and the size of the original BIM model in the background server as a basic model of scaling reference₀The areas of the inner core of the field and the original stand are S respectively₁And S₂Area of stand part S₂Including the step area horizontal plane projection of the grandstand slope surface and the spatial area of the lower part of the grandstand, after obtaining the audience number input by the user and regenerating the row number, the partial area S of the grandstand₂Becomes S'₂The area of the field core is fixed as S₁The venue area input by the user is S'₀And calculating the remaining block area adjustment ratio R.

8. The method of claim 7, wherein the residual block area adjustment ratio R is calculated as:

R＝{S′₀-(S′₂+S₁)}/{S₀-(S₂+S₁)}。

9. the method as claimed in claim 3, wherein in step 24), if the customized building parameters inputted by the user include national fitness, the area of the relevant function module is adjusted, otherwise, the model block of the stadium model is adjusted directly according to the adjustment ratio.

10. The method of claim 1, wherein the system for implementing the design modeling method comprises:

a data input module: the method comprises the steps of obtaining user-defined building parameters of a stadium to be generated, which are input by a user;

a judgment and selection module: the method is used for realizing mode selection judgment of a user and selecting a corresponding mode template;

an active interaction module: the event triggering interface is used for providing a uniform event triggering interface for each module, and realizing generation of a main model of a stadium, loading of a menu toolbar, operation of model attributes and triggering of events;

a calculation analysis module: converting the self-defined building parameters input by a user into internal parameters for operation, and forming the data size of each module according to a preset logic rule;

a data exchange module: establishing an object mapping relation through the form and the data size, and realizing the internal data conversion function of the three-dimensional model and the data model component;

a three-dimensional graphic display module: the system is used for realizing the analysis of the three-dimensional model, managing the scene of the model, processing and outputting the graph and displaying, and providing the functions of model display and control of the operation and layout of the model;

the data management analysis module: and managing the measurement data and performing statistical analysis on the measurement data according to a set rule.

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