Method and system for evaluating fairness of spatial distribution of urban sports ground space

By using the BeiDou grid location code as a benchmark, the per capita sports venue area within each grid is calculated, which solves the problem of the influence of administrative divisions in the evaluation of the fairness of urban sports venue spatial distribution and provides a scientific evaluation method and system.

CN115239098BActive Publication Date: 2026-01-23HUBEI POST TELECOMM PLANNING DESIGN
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Patent Information

Application Number
CN202210798096.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-07-06
Publication Date
2026-01-23
Estimated Expiration
2042-07-06

AI Technical Summary

Technical Problem

Existing technologies are insufficient to effectively evaluate the fairness of the spatial distribution of sports venues within cities, especially to avoid the unreasonable influence of artificial administrative divisions.

Method used

Using the BeiDou grid location code as a benchmark, the per capita sports venue area within each BeiDou grid is calculated by acquiring basic electronic map data of administrative regions, sports venue spatial range data, and population distribution data, and then evaluated based on the per capita sports venue area.

Benefits of technology

It enables a scientific evaluation of the fairness of the spatial distribution of urban sports venues, avoids the unreasonable influence of artificial administrative divisions, and provides a more accurate basis for site selection decisions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a method and system for evaluating the fairness of urban sports ground space distribution, comprising: obtaining evaluation data for the evaluation, the evaluation data comprising: administrative region basic electronic map data of a city to be evaluated, planar boundary data of sports ground space range of the city to be evaluated, and population space distribution WorldPop grid data of the city to be evaluated; performing data processing on the evaluation data based on a grid division standard of a Beidou grid location code, to obtain per capita sports ground area of the city to be evaluated in each Beidou grid; and evaluating the per capita sports ground area of the city to be evaluated according to a preset evaluation rule, the evaluation rule comprising: the higher the per capita sports ground area, the higher the score. Thus, the Beidou grid is taken as a benchmark space unit, the continuity feature of geographical space is fully considered, and the unreasonable influence of artificial administrative division on the evaluation is avoided.
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Description

TECHNICAL FIELD

[0001] The application belongs to the field of data processing, and particularly relates to a method and system for evaluating the fairness of spatial distribution of urban sports venues. BACKGROUND

[0002] The spatial distribution of sports venues in a city is influenced by various historical factors and tends to be unevenly distributed in geographical space. Effective evaluation of the fairness of the spatial distribution can provide a basis for government decision-making in the location of nationwide fitness venues. Therefore, how to effectively evaluate the fairness of the spatial distribution of urban sports venues has become a problem to be solved. SUMMARY

[0003] The main purpose of the embodiment of the application is to provide a method and system for evaluating the fairness of the spatial distribution of urban sports venues, which takes Beidou grid as a reference spatial unit and fully considers the continuity of geographical space, thereby avoiding the unreasonable influence of artificial administrative division on the evaluation.

[0004] In a first aspect, a method for evaluating the fairness of the spatial distribution of urban sports venues is provided, and the method comprises:

[0005] Obtaining evaluation data for the evaluation of the fairness, wherein the evaluation data comprises: administrative region basic electronic map data of a city to be evaluated, face-shaped boundary data of the spatial range of sports venues in the city to be evaluated, and population spatial distribution WorldPop grid data of the city to be evaluated;

[0006] Performing data processing on the evaluation data based on a grid division standard of a Beidou grid location code to obtain the area of sports venues per capita in each Beidou grid of the city to be evaluated;

[0007] Evaluating the area of sports venues per capita of the city to be evaluated according to a preset evaluation rule, wherein the evaluation rule comprises: the higher the area of sports venues per capita, the higher the score.

[0008] In a possible implementation manner, the data processing on the evaluation data based on the grid division standard of the Beidou grid location code to obtain the area of sports venues per capita in each Beidou grid of the city to be evaluated comprises:

[0009] Obtaining all the area of sports venues in all four-level Beidou grids according to the grid division standard, and obtaining all the population data in all four-level Beidou grids according to the grid division standard;

[0010] Obtaining the area of sports venues per capita according to all the area of sports venues and all the population data.

[0011] In another possible implementation, the obtaining of all the sports venue areas in all the fourth-level Beidou grids according to the grid division standard includes:

[0012] determining the specification of the fourth-level Beidou grid applied to the geographic range of the basic electronic map according to the Beidou grid location code grid division standard;

[0013] superimposing a plurality of the fourth-level Beidou grids on the basic electronic map to perform spatial intersection analysis, determining the minimum number of fourth-level Beidou grids required to completely contain the basic electronic map, and obtaining a fourth-level Beidou grid map composed of the fourth-level Beidou grids;

[0014] performing spatial cutting of the fourth-level Beidou grid map on the planar boundary data of the sports venue spatial range;

[0015] obtaining the sum of the areas of the sports venues in the fourth-level Beidou grids.

[0016] In another possible implementation, the obtaining of all the population data in all the fourth-level Beidou grids according to the grid division standard includes:

[0017] performing raster vectorization processing on the population spatial distribution WorldPop grid data while maintaining the grid margin, to obtain vector grid data;

[0018] performing spatial cutting processing of the vector grid data by using the fourth-level Beidou grid map;

[0019] redistributing the population quantity in the population grid unit according to the area proportion.

[0020] obtaining the population quantity of a single fourth-level Beidou grid according to the fourth-level Beidou grid.

[0021] In a second aspect, a system for evaluating the fairness of urban sports venue spatial distribution is provided, and the system includes:

[0022] an evaluation data obtaining module, configured to obtain evaluation data used for the fairness evaluation, the evaluation data including: administrative region basic electronic map data of a city to be evaluated, planar boundary data of a sports venue spatial range of the city to be evaluated, and population spatial distribution WorldPop grid data of the city to be evaluated;

[0023] a per capita sports venue area obtaining module, configured to perform data processing on the evaluation data based on a grid division standard of a Beidou grid location code, to obtain per capita sports venue areas in each Beidou grid of the city to be evaluated;

[0024] An evaluation module is configured to evaluate the per capita sports venue area of the city to be evaluated according to a preset evaluation rule, and the evaluation rule includes that the higher the per capita sports venue area is, the higher the score is.

[0025] In one possible implementation, the per capita sports venue area obtaining module includes:

[0026] The four-level Beidou grid data obtaining unit is configured to obtain all sports venue areas within all four-level Beidou grids according to the grid division standard, and obtain all population data within all four-level Beidou grids according to the grid division standard.

[0027] The per capita sports venue area obtaining unit is configured to obtain the per capita sports venue area according to the all sports venue areas and the all population data.

[0028] In another possible implementation, the four-level Beidou grid data obtaining unit includes:

[0029] The four-level Beidou grid specification determining unit is configured to determine the specification of the four-level Beidou grid applied to the geographic range of the basic electronic map according to the Beidou grid location code grid division standard.

[0030] The four-level Beidou grid quantity determining unit is configured to superimpose a plurality of the four-level Beidou grids on the basic electronic map to perform spatial intersection analysis, obtain a four-level Beidou grid map composed of the four-level Beidou grids, and determine the quantity of the four-level Beidou grids required to completely contain the basic electronic map.

[0031] The four-level Beidou grid map adjusting unit is configured to perform intersection containing analysis on the four-level Beidou grid map and the planar boundary data of the sports venue spatial range, and adjust the four-level Beidou grid map to a containing position, the containing position being that each sports venue in the planar boundary data of the sports venue spatial range is contained in a unique four-level Beidou grid.

[0032] The average sports venue area obtaining unit is configured to obtain the sum of areas of sports venues within the four-level Beidou grid, and obtain the sports venue area of a single four-level Beidou grid according to the quantity of the four-level Beidou grids.

[0033] In another possible implementation, the four-level Beidou grid data obtaining unit includes:

[0034] The vector raster data obtaining unit is configured to perform raster vectorization processing on the population spatial distribution WorldPop raster data while maintaining the raster margin, to obtain vector raster data.

[0035] A space cutting unit is configured to perform a space cutting process on the vector raster data by using the four-level Beidou grid map.

[0036] An average population data acquisition unit is configured to acquire total population data in the four-level Beidou grid, and acquire population data of a single four-level Beidou grid according to the number of the four-level Beidou grids. BRIEF DESCRIPTION OF DRAWINGS

[0037] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced.

[0038] Figure 1 A flow chart of a method for evaluating spatial distribution fairness of urban sports venues according to an embodiment of the present application is shown in FIG. 1.

[0039] Figure 2 A flow chart of a method for evaluating spatial distribution fairness of urban sports venues according to another embodiment of the present application is shown in FIG. 2.

[0040] Figure 3 A flow chart of a method for evaluating spatial distribution fairness of urban sports venues according to another embodiment of the present application is shown in FIG. 3.

[0041] Figure 4 A flow chart of a method for evaluating spatial distribution fairness of urban sports venues according to another embodiment of the present application is shown in FIG. 4.

[0042] Figure 5 A structure diagram of a system for evaluating spatial distribution fairness of urban sports venues according to an embodiment of the present application is shown in FIG. 5.

[0043] Figure 6 A structure diagram of a system for evaluating spatial distribution fairness of urban sports venues according to another embodiment of the present application is shown in FIG. 6.

[0044] Figure 7 A structure diagram of a system for evaluating spatial distribution fairness of urban sports venues according to another embodiment of the present application is shown in FIG. 7.

[0045] Figure 8 A structure diagram of a system for evaluating spatial distribution fairness of urban sports venues according to another embodiment of the present application is shown in FIG. 8.

[0046] DETAILED DESCRIPTION

[0047] The embodiments of the present application will be described in detail below, and examples of the embodiments are shown in the drawings, in which the same or similar notations represent the same or similar modules or modules with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be interpreted as a limitation of the present application.

[0048] Those skilled in the art will understand that, unless specifically stated otherwise, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be further understood that the term “comprising” as used in this application means the presence of the stated features, integers, steps, operations, modules, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, modules, components, and / or groups thereof. It should be understood that when we say a module is “connected” or “coupled” to another module, it can be directly connected or coupled to the other module, or there may be an intermediate module. Furthermore, “connected” or “coupled” as used herein can include wireless connection or wireless coupling. The term “and / or” as used herein includes all or any of the modules and all combinations thereof of one or more associated listed items.

[0049] To make the objectives, technical solutions, and advantages of this application clearer, the implementation of this application will be described in further detail below with reference to the accompanying drawings.

[0050] The technical solutions of this application and how they solve the aforementioned technical problems will be described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments. The embodiments of this application will now be described with reference to the accompanying drawings.

[0051] like Figure 1 The diagram shows a flowchart of a method for evaluating the fairness of urban sports venue spatial distribution according to an embodiment of the present invention. The method includes:

[0052] Step 101: Obtain evaluation data for the fairness evaluation. The evaluation data includes: basic electronic map data of the administrative region of the city to be evaluated, areal boundary data of the sports venue spatial range of the city to be evaluated, and WorldPop raster data of the population spatial distribution of the city to be evaluated.

[0053] Step 102: Based on the grid division standard of Beidou grid location code, the evaluation data is processed to obtain the per capita sports venue area of ​​the city to be evaluated in each Beidou grid.

[0054] Step 103: Evaluate the per capita sports venue area of ​​the city to be evaluated according to the preset evaluation rules, the evaluation rules include: the higher the per capita sports venue area, the higher the score.

[0055] In the embodiment of the present application, in order to evaluate the sports venue space distribution fairness of the city to be evaluated, evaluation data for fairness evaluation needs to be obtained, which includes but is not limited to: city space data, sports venue space data, population data, and the corresponding administrative region basic electronic map data of the city to be evaluated, the planar boundary data of the sports venue space range of the city to be evaluated, and the population space distribution WorldPop grid data of the city to be evaluated. After the evaluation data is obtained, the evaluation data is processed by the grid division standard of the Beidou grid location code, and the per capita sports venue area of the city to be evaluated in each Beidou grid is obtained. Finally, the per capita sports venue area of the city to be evaluated is evaluated according to the evaluation rule that the higher the per capita sports venue area, the higher the score.

[0056] In the embodiment of the present application, evaluation data for performing the fairness evaluation is obtained, the evaluation data includes: administrative region basic electronic map data of the city to be evaluated, planar boundary data of the sports venue space range of the city to be evaluated, and population space distribution WorldPop grid data of the city to be evaluated; the evaluation data is processed based on the grid division standard of the Beidou grid location code, and the per capita sports venue area of the city to be evaluated in each Beidou grid is obtained; and the per capita sports venue area of the city to be evaluated is evaluated according to a preset evaluation rule, the evaluation rule includes: the higher the per capita sports venue area, the higher the score. Thus, the Beidou grid is taken as a reference spatial unit, the continuity characteristics of geographical space are fully considered, and the unreasonable influence of artificial administrative division on evaluation is avoided.

[0057] As shown in Figure 2 FIG. 2 is a flowchart of a method for evaluating the sports venue space distribution fairness of a city according to another embodiment of the present application, and the method includes the following steps:

[0058] In step 201, all sports venue areas in all fourth-level Beidou grids are obtained according to the grid division standard, and all population data in all fourth-level Beidou grids are obtained according to the grid division standard;

[0059] In step 202, the per capita sports venue area is obtained according to all the sports venue areas and all the population data.

[0060] As shown in Figure 3 FIG. 3 is a flowchart of a method for evaluating the sports venue space distribution fairness of a city according to another embodiment of the present application, and the method includes the following steps:

[0061] Step 301, according to the Beidou grid position code grid division standard, the specification of the four-level Beidou grid applied to the geographical range of the basic electronic map is determined;

[0062] Step 302, a plurality of four-level Beidou grids are superimposed to the basic electronic map for spatial intersection analysis, the minimum number of four-level Beidou grids required to completely contain the basic electronic map is determined, and a four-level Beidou grid map composed of the four-level Beidou grids is obtained;

[0063] Step 303, the four-level Beidou grid map is used to perform spatial cutting on the planar boundary data of the sports ground space range;

[0064] Step 304, the sum of the areas of the sports grounds in the four-level Beidou grid is obtained.

[0065] As Figure 4 shown is a flow chart of a method for evaluating the spatial distribution fairness of urban sports grounds provided by another embodiment of the application, the method comprises the following steps:

[0066] Step 401, the population spatial distribution WorldPop grid data is subjected to a raster vectorization process while maintaining the raster margin, and vector grid data is obtained;

[0067] Step 402, the vector grid data is subjected to spatial cutting processing through the four-level Beidou grid map;

[0068] Step 403, the population quantity in the population grid unit is redistributed according to the area proportion;

[0069] Step 404, the population quantity of a single four-level Beidou grid is obtained according to the four-level Beidou grid.

[0070] As Figure 5 shown is a structural diagram of a system for evaluating the spatial distribution fairness of urban sports grounds provided by one embodiment of the application, the system comprises:

[0071] An evaluation data acquisition module 501 is configured to acquire evaluation data used for the fairness evaluation, and the evaluation data comprises: administrative region basic electronic map data of a city to be evaluated, planar boundary data of a sports ground space range of the city to be evaluated, and population spatial distribution WorldPop grid data of the city to be evaluated;

[0072] A per capita sports ground area acquisition module 502 is configured to perform data processing on the evaluation data based on a grid division standard of a Beidou grid position code, and to acquire per capita sports ground area in each Beidou grid of the city to be evaluated;

[0073] The evaluation module 503 is used for evaluating the per capita sports venue area of the city to be evaluated according to a preset evaluation rule, and the evaluation rule comprises: the higher the per capita sports venue area, the higher the score.

[0074] In the embodiment of the application, in order to evaluate the sports venue space distribution fairness of the city to be evaluated, evaluation data for performing the fairness evaluation is needed, which comprises but is not limited to: city space data, sports venue space data, population data, and corresponding to the three data, namely, administrative region basic electronic map data of the city to be evaluated, face-shaped boundary data of the sports venue space range of the city to be evaluated, and population space distribution WorldPop grid data of the city to be evaluated. After the evaluation data is obtained, the evaluation data is processed by the grid division standard of the Beidou grid location code, and the per capita sports venue area of the city to be evaluated in each Beidou grid is obtained. Finally, the per capita sports venue area of the city to be evaluated is evaluated according to the evaluation rule that the higher the per capita sports venue area, the higher the score.

[0075] In the embodiment of the application, evaluation data for performing the fairness evaluation is obtained, which comprises: administrative region basic electronic map data of the city to be evaluated, face-shaped boundary data of the sports venue space range of the city to be evaluated, and population space distribution WorldPop grid data of the city to be evaluated; the evaluation data is processed based on the grid division standard of the Beidou grid location code, and the per capita sports venue area of the city to be evaluated in each Beidou grid is obtained; and the per capita sports venue area of the city to be evaluated is evaluated according to a preset evaluation rule, and the evaluation rule comprises: the higher the per capita sports venue area, the higher the score. Thus, the Beidou grid is taken as a reference spatial unit, the continuity feature of geographical space is fully considered, and the unreasonable influence of artificial administrative division on evaluation is avoided.

[0076] As shown in FIG. 1, the system for evaluating the sports venue space distribution fairness of a city provided by another embodiment of the application comprises a per capita sports venue area obtaining module 502 and an evaluation module 503. Figure 6 The per capita sports venue area obtaining module 502 comprises:

[0077] A four-level Beidou grid data obtaining unit 601 is used for obtaining all sports venue areas in all four-level Beidou grids according to the grid division standard, and obtaining all population data in all four-level Beidou grids according to the grid division standard;

[0078] A per capita sports venue area obtaining unit 602 is used for obtaining the per capita sports venue area according to the all sports venue areas and the all population data.

[0079] As shown in FIG. 1, the system for evaluating the sports venue space distribution fairness of a city provided by another embodiment of the application comprises a per capita sports venue area obtaining module 502 and an evaluation module 503. Figure 7As shown in the structural diagram of the system for evaluating the spatial distribution fairness of urban sports venues provided by the embodiment, the data acquisition unit in the four-level Beidou grid comprises:

[0080] The four-level Beidou grid specification determination unit 701 is configured to determine the specification of the four-level Beidou grid applied to the geographic range of the basic electronic map according to the Beidou grid position code grid division standard.

[0081] The four-level Beidou grid map determination unit 702 is configured to superimpose a plurality of four-level Beidou grids on the basic electronic map for spatial intersection analysis, determine the minimum number of four-level Beidou grids required to completely contain the basic electronic map, and acquire a four-level Beidou grid map composed of the four-level Beidou grids.

[0082] The spatial cutting unit 703 is configured to perform spatial cutting on the planar boundary data of the sports venue spatial range by using the four-level Beidou grid map.

[0083] The area acquisition unit 704 is configured to acquire the sum of the areas of the sports venues in the four-level Beidou grid.

[0084] As Figure 8 As shown in the structural diagram of the system for evaluating the spatial distribution fairness of urban sports venues provided by the embodiment, the data acquisition unit in the four-level Beidou grid comprises:

[0085] The vector grid data acquisition unit 801 is configured to perform raster vectorization processing on the population spatial distribution WorldPop raster data while maintaining the raster margin, and acquire vector grid data.

[0086] The spatial cutting unit 802 is configured to perform spatial cutting processing on the vector grid data by using the four-level Beidou grid map.

[0087] The re-distribution unit 803 is configured to re-distribute the population quantity in the population grid unit according to the area proportion.

[0088] The population quantity acquisition unit 804 is configured to acquire the population quantity of a single four-level Beidou grid according to the four-level Beidou grid.

[0089] It should be understood that although the steps in the flowcharts of the accompanying drawings are shown in a sequence as indicated by arrows, the steps are not necessarily executed in the order as indicated by the arrows. Unless explicitly stated otherwise herein, the execution of the steps is not necessarily limited to a strict order, and the steps can be executed in other orders. Moreover, at least some of the steps in the flowcharts of the accompanying drawings can comprise multiple sub-steps or multiple stages, which are not necessarily executed at the same time, but can be executed at different times, and the execution order of which is not necessarily sequential, but can be round-robin or alternating with at least some of the other steps or sub-steps or stages of other steps.

[0090] The above merely describes some implementation manners of the present application, and it should be noted that, for those skilled in the art, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be considered as falling within the protection scope of the present application.

Claims

1. A method for evaluating the fairness of spatial distribution of urban sports venues, characterized in that, The method includes: The evaluation data used for the fairness evaluation includes: basic electronic map data of the administrative region of the city to be evaluated, areal boundary data of the sports venue spatial range of the city to be evaluated, and WorldPop raster data of the population spatial distribution of the city to be evaluated. The evaluation data is processed based on the grid division standard of Beidou grid location code to obtain the per capita sports venue area of ​​the city to be evaluated in each Beidou grid. The per capita sports venue area of ​​the city to be evaluated is evaluated according to the preset evaluation rules, which include: the higher the per capita sports venue area, the higher the score. The grid division standard based on BeiDou grid location codes processes the evaluation data to obtain the per capita sports venue area of ​​the city to be evaluated within each BeiDou grid, including: According to the grid division standard, obtain the area of ​​all sports venues within all four-level BeiDou grids, and obtain the population data of all four-level BeiDou grids. The per capita sports venue area is obtained based on the total area of ​​all sports venues and all population data.

2. The method as described in claim 1, characterized in that, The process of obtaining the area of ​​all sports venues within all four levels of the BeiDou grid according to the grid division standard includes: The specifications of the fourth-level BeiDou grid applied to the geographical area of ​​the basic electronic map are determined according to the BeiDou grid location code grid division standard. Multiple Level 4 BeiDou grids are superimposed onto the base electronic map for spatial intersection analysis to determine the minimum number of Level 4 BeiDou grids required to completely contain the base electronic map, and a Level 4 BeiDou grid map composed of the Level 4 BeiDou grids is obtained. The four-level Beidou grid map is used to spatially segment the planar boundary data of the sports venue's spatial range; Obtain the sum of the areas of stadiums within the four-level BeiDou grid.

3. The method as described in claim 2, characterized in that, The process of obtaining all population data within all four levels of the BeiDou grid according to the grid division standard includes: The WorldPop population spatial distribution raster data is processed into raster vectorization while maintaining the raster margins to obtain vector grid data; The vector grid data is spatially segmented using the four-level BeiDou grid map. The population within each population grid unit is redistributed according to its area proportion; The population of a single fourth-level BeiDou grid is obtained based on the aforementioned fourth-level BeiDou grid.

4. A system for evaluating the fairness of the spatial distribution of urban sports venues, characterized in that, The system includes: The evaluation data acquisition module is used to acquire evaluation data for conducting the fairness evaluation. The evaluation data includes: basic electronic map data of the administrative region of the city to be evaluated, areal boundary data of the sports venue spatial range of the city to be evaluated, and WorldPop raster data of the population spatial distribution of the city to be evaluated. The per capita sports venue area acquisition module is used to process the evaluation data based on the grid division standard of Beidou grid location code to obtain the per capita sports venue area of ​​the city to be evaluated in each Beidou grid. The evaluation module is used to evaluate the per capita sports venue area of ​​the city to be evaluated according to preset evaluation rules, the evaluation rules including: the higher the per capita sports venue area, the higher the score; The module for obtaining the per capita sports venue area includes: The data acquisition unit within the fourth-level BeiDou grid is used to acquire the area of ​​all sports venues within all fourth-level BeiDou grids according to the grid division standard, and to acquire all population data within all fourth-level BeiDou grids according to the grid division standard. The per capita sports venue area acquisition unit is used to acquire the per capita sports venue area based on the total area of ​​all sports venues and all population data.

5. The system as described in claim 4, characterized in that, The data acquisition unit within the fourth-level BeiDou grid includes: The fourth-level BeiDou grid specification determination unit is used to determine the specification of the fourth-level BeiDou grid applied to the geographical range of the basic electronic map according to the BeiDou grid location code grid division standard. The four-level BeiDou grid map determination unit is used to overlay multiple four-level BeiDou grids onto the basic electronic map for spatial intersection analysis, determine the minimum number of four-level BeiDou grids required to completely contain the basic electronic map, and obtain a four-level BeiDou grid map composed of the four-level BeiDou grids. A spatial cutting unit is used to spatially cut the planar boundary data of the sports venue space range of the four-level Beidou grid map; The area acquisition unit is used to acquire the sum of the areas of stadiums within the four-level Beidou grid.

6. The system as described in claim 5, characterized in that, The data acquisition unit within the fourth-level BeiDou grid includes: The vector grid data acquisition unit is used to perform raster vectorization processing on the WorldPop population spatial distribution raster data while maintaining the raster margins, and to acquire vector grid data. A spatial cutting unit is used to perform spatial cutting processing on the vector grid data through the four-level BeiDou grid map; The redistribution unit is used to redistribute the population within a population grid unit according to its area proportion. The population acquisition unit is used to acquire the population of a single fourth-level BeiDou grid based on the fourth-level BeiDou grid.