Natural-based recreation infrastructure network construction method and device and electronic equipment

Abstract

The invention discloses a nature-based recreation infrastructure network construction method and device and electronic equipment, and relates to the technical field of geographic planning, and the method comprises the steps: recognizing a recreation resource center of a research area according to natural reserve data, park green land data, scenic area data, characteristic town data and river system data; constructing a comprehensive resistance surface of the research area according to the resistance factors; identifying a target corridor of the research area and a network strategy point of the target corridor according to the recreation resource center and the comprehensive resistance surface; and correcting and adjusting the network structure of the research area according to the recreation resource center, the target corridor and the network strategy point. According to the method, the recreation resource center meeting ecological functions and human recreation requirements is screened out according to the recreation resources, and the target corridor and the network strategy point are identified, so that the network structure of the research area is corrected and adjusted, and a recreation infrastructure network based on nature under recreation guidance is formed; based on the network, the experience of people in recreation can be improved.

Description

Technical Field

[0001] This application relates to the field of geographical planning technology, and particularly to a method, device, and electronic device for constructing a nature-based recreational infrastructure network. Background Art

[0002] Nature-based Infrastructure (NbI) is the latest concept proposed by the United Nations in 2023. Its essence is to utilize nature to provide services related to infrastructure functions, emphasizing the provision of multiple well-being such as recreational activities, climate regulation, and flood mitigation while ensuring the ecosystem, and giving full play to its multifunctionality. The current network construction methods have been relatively mature, but they only consider the protection and restoration of the ecosystem, without considering the experience needs of people and lacking a multifunctional thinking, thus unable to meet the various services required within the city.

[0003] Currently, the identification of ecological network centers is mainly based on urban green spaces. Most studies use methods such as the MSPA method and landscape connectivity method to screen out patches with larger areas and better connectivity, or select them in combination with ecological sensitivity, etc. However, these methods mainly focus on the ecological functions of the city and ignore the social functions such as landscape recreation in the city. Summary of the Invention

[0004] The main purpose of the embodiments of this application is to propose a method, device, and electronic device for constructing a nature-based recreational infrastructure network, so as to construct a network structure for landscape recreation and thus meet the experience needs of people.

[0005] To achieve the above object, on the one hand, an embodiment of this application proposes a method for constructing a nature-based recreational infrastructure network, the method comprising the following steps:

[0006] Obtain the basic data of the study area;

[0007] Identify the recreational resource centers in the study area according to the nature reserve data, park green space data, scenic area data, characteristic town data, and river water system data in the basic data;

[0008] Construct the comprehensive resistance surface of the study area according to the resistance factors in the basic data;

[0009] Identify the target corridors in the study area and the network strategic points of the target corridors according to the recreational resource centers and the comprehensive resistance surface;

[0010] Modify and adjust the network structure of the study area according to the recreational resource centers, the target corridors, and the network strategic points to form the infrastructure network of the study area under the guidance of recreation.

[0011] In some embodiments, identifying the recreation resource center of the study area based on the nature reserve data, park green space data, scenic area data, characteristic town data, and river water system data in the basic data includes the following steps:

[0012] Select alternative resource centers according to the nature reserve data, park green space data, scenic area data, characteristic town data, and river water system data in the basic data by area, grade, social platform star rating and number of comments, and function and facility perfection degree;

[0013] Perform kernel density analysis based on POI data to determine the intensive area of recreation demand, compare it with the alternative resource centers, and add some resource centers in the concentrated area to form the final recreation resource center.

[0014] The calculation formula for the kernel density analysis is:

[0015]

[0016] Among them, f(x) is the probability density function to be estimated, K(·) is the kernel function, which is used to calculate the contribution of the sample point to the position x, h is the bandwidth, which controls the width of the kernel function, and n is the number of samples.

[0017] In some embodiments, constructing the comprehensive resistance surface of the study area based on the resistance factors in the basic data includes the following steps:

[0018] Calculate the landscape value index according to the land use data in the basic data, and then combine the elevation data, slope data, road data, bus stops, subway station data, and residential area data as resistance factors to form a comprehensive resistance surface;

[0019] The calculation formula for the landscape value index is:

[0020] J = l·p·q;

[0021] Among them, J is the landscape resistance value, l represents the land use type, p represents the equivalent value of landscape recreation value, and q represents the recreation level.

[0022] In some embodiments, identifying the target corridor of the study area and the network strategic points of the target corridor based on the recreation resource center and the comprehensive resistance surface includes the following steps:

[0023] Based on the minimum resistance model, input the recreation resource center and the comprehensive resistance surface into the LinkageMapper model to identify the target corridor of the study area; among them, the Linkage Mapper model is set with the cost-weighted distance as the threshold for identifying the target corridor;

[0024] The expression of the minimum cumulative resistance model is as follows:

[0025]

[0026] where MCR represents the minimum cumulative resistance value of network flow; D xy represents the distance between the recreation resource center x and the recreation resource center y; R x represents the landscape resistance value between the recreation resource center x and the recreation resource center y; m and n represent the patch numbers of the recreation resource center x and the recreation resource center y respectively.

[0027] Based on circuit theory, the network strategic points of the target corridor are identified in the Linkage Mapper model;

[0028] The expression of the circuit theory is as follows:

[0029]

[0030] where I is the current, used to represent the flow of an object between two recreation resource centers, V is the mutual force or attraction between two recreation resource centers, and R is the comprehensive resistance surface.

[0031] In some embodiments, identifying the network strategic points of the target corridor based on the circuit theory includes the following steps:

[0032] Identifying the network pinch points and network obstacle points of the target corridor as the network strategic points based on the circuit theory.

[0033] In some embodiments, identifying the network pinch points of the target corridor based on the circuit theory includes the following steps:

[0034] Identifying the area where the current density in the target corridor reaches a preset threshold as the network pinch point based on the circuit theory and using the Pinchpoint Mapper model;

[0035] Identifying the network obstacle points of the target corridor based on the circuit theory includes the following steps:

[0036] Identifying the barrier that changes the position of the target corridor as the network obstacle point based on the circuit theory and using the Barrier Mapper model.

[0037] To achieve the above object, another aspect of the embodiments of the present application provides a device for constructing a nature-based infrastructure network, the device includes:

[0038] A data acquisition unit for acquiring the basic data of the study area;

[0039] A recreation resource identification unit for identifying the recreation resource center of the study area according to the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data in the basic data;

[0040] A resistance surface construction unit for constructing the comprehensive resistance surface of the study area according to the resistance factors in the basic data;

[0041] A corridor analysis unit for identifying the target corridors of the study area and the network strategic points of the target corridors according to the recreation resource center and the comprehensive resistance surface;

[0042] A network optimization unit for modifying and adjusting the network structure of the study area according to the recreation resource center, the target corridors, and the network strategic points to form the infrastructure network of the study area under the guidance of recreation.

[0043] To achieve the above object, on the other hand, an embodiment of the present application proposes an electronic device, which includes a memory and a processor. The memory stores a computer program, and when the processor executes the computer program, the above method is implemented.

[0044] To achieve the above object, on the other hand, an embodiment of the present application proposes a computer-readable storage medium, which stores a computer program, and when the computer program is executed by a processor, the above method is implemented.

[0045] The embodiments of the present application at least include the following beneficial effects:

[0046] The present application can acquire the basic data of the study area; identify the recreation resource center of the study area according to the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data in the basic data; construct the comprehensive resistance surface of the study area according to the resistance factors in the basic data; identify the target corridors of the study area and the network strategic points of the target corridors according to the recreation resource center and the comprehensive resistance surface; modify and adjust the network structure of the study area according to the recreation resource center, the target corridors, and the network strategic points to form the infrastructure network of the study area under the guidance of recreation. The present application can screen out the recreation resource centers that meet the ecological functions and human recreation needs according to the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data, identify the target corridors and network strategic points of the study area, and then modify and adjust the network structure of the study area to form the infrastructure network of the study area under the guidance of recreation. Based on this infrastructure network, the experience of people using the recreation infrastructure can be improved. Description of the Drawings

[0047] To more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0048] Figure 1 It is a schematic flowchart of a method for constructing a nature-based infrastructure network provided by an embodiment of the present application;

[0049] Figure 2 It is a schematic structural diagram of an infrastructure network construction device provided by an embodiment of the present application;

[0050] Figure 3 It is a schematic hardware structure diagram of an electronic device provided by an embodiment of the present application. Detailed implementation manners

[0051] In order to make the objectives, technical solutions and advantages of the present application more clear, the following further details the present application in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application. When the following description involves the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The implementation manners described in the following exemplary embodiments do not represent all implementation manners consistent with the embodiments of the present application. They are only examples of devices and methods consistent with some aspects of the embodiments of the present application detailed in the appended claims.

[0052] It can be understood that the terms "first", "second", etc. used in the present application can be used in this article to describe various concepts, but unless otherwise specified, these concepts are not limited by these terms. These terms are only used to distinguish one concept from another. For example, without departing from the scope of the embodiments of the present application, the first information can also be called the second information. Similarly, the second information can also be called the first information. Depending on the context, the words "if", "when" as used herein can be interpreted as "when...", "while...", or "in response to determining".

[0053] The terms "at least one", "a plurality of", "each", "any one", etc. used in the present application, at least one includes one, two or more, a plurality of includes two or more, each refers to each of the corresponding plurality, and any one refers to any one of the plurality.

[0054] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein are for the purpose of describing embodiments of this application only and are not intended to limit this application.

[0055] Embodiments of this application provide a method, apparatus, and electronic device for constructing a nature-based recreation infrastructure network. The technical solution of this application includes: obtaining the basic data of the study area; identifying the recreation resource centers in the study area according to the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data in the basic data; constructing a comprehensive resistance surface of the study area according to the resistance factors in the basic data; identifying the target corridors in the study area and the network strategic points of the target corridors according to the recreation resource centers and the comprehensive resistance surface; and modifying and adjusting the network structure of the study area according to the recreation resource centers, target corridors, and network strategic points to form an infrastructure network of the study area under the guidance of recreation. According to the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data, this application can screen out recreation resource centers that meet the ecological function and human experience requirements, identify the target corridors and network strategic points in the study area, and then modify and adjust the network structure of the study area to form an infrastructure network of the study area under the guidance of recreation. Based on this infrastructure network, the experience of people using the recreation infrastructure can be improved.

[0056] Embodiments of this application provide a method, apparatus, and electronic device for constructing an infrastructure network, which relates to the technical field of geographical planning. The method, apparatus, and electronic device for constructing a nature-based recreation infrastructure network provided by embodiments of this application can be applied to terminals, can also be applied to servers, or can be software running on terminals or servers. In some embodiments, the terminal can be a smart phone, a tablet computer, a laptop computer, a desktop computer, a smart speaker, a smart watch, a vehicle-mounted terminal, etc., but is not limited thereto; the server side can be configured as an independent physical server, can also be configured as a server cluster or distributed system composed of multiple physical servers, or can be configured as a cloud server providing basic cloud computing services such as cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, CDN, and big data and artificial intelligence platforms. The server can also be a node server in a blockchain network; the software can be an application for implementing the knowledge extraction method, etc., but is not limited to the above forms.

[0057] This application can be used in many general or specific computer system environments or configurations. For example: personal computers, server computers, handheld or portable devices, tablet devices, multi-processor systems, microprocessor-based systems, set-top boxes, programmable consumer electronics devices, network PCs, minicomputers, mainframe computers, distributed computing environments including any of the above systems or devices, and so on. This application can be described in the general context of computer-executable instructions executed by a computer, such as program modules. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform specific tasks or implement specific abstract data types. This application can also be practiced in a distributed computing environment, where tasks are performed by remote processing devices connected through a communication network. In a distributed computing environment, program modules can be located in local and remote computer storage media including storage devices.

[0058] Referring to Figure 1 , an infrastructure network construction method is provided in an embodiment of this application. This method may include but is not limited to S100 to S140, specifically as follows:

[0059] S100: Obtain the basic data of the study area.

[0060] Specifically, the study area is the area that this application needs to study. The study area can be any arbitrarily demarcated natural area or administrative area.

[0061] S110: Identify the recreation resource centers in the study area based on the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data in the basic data.

[0062] Furthermore, S110 may include S111 to S112:

[0063] S111: Screen out alternative resource centers according to the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data in the basic data in terms of area, grade, social platform star rating and number of comments, and function and facility perfection;

[0064] S112: Perform kernel density analysis based on POI data to determine the intensive areas of recreation demand, compare with the alternative resource centers, and add some resource centers in the concentrated areas to form the final recreation resource centers.

[0065] The calculation formula for the kernel density analysis is:

[0066]

[0067] Among them, f(x) is the probability density function of the target estimate, K(·) is the kernel function, which is used to calculate the contribution of the sample points to the position x, h is the bandwidth, which controls the width of the kernel function, and n is the number of samples.

[0068] S120: Calculate the landscape value index according to the land use data in the basic data, and then combine the elevation data, slope data, road data, bus stops, subway station data, and residential area data as resistance factors to form a comprehensive resistance surface;

[0069] The calculation formula of the landscape value index is:

[0070] J = l·p·q;

[0071] Among them, J is the landscape resistance value, l represents the land use type, p represents the equivalent value of landscape recreation value, and q represents the recreation level.

[0072] S130: Identify the target corridor of the study area and the network strategic points of the target corridor according to the recreation resource center and the comprehensive resistance surface.

[0073] Furthermore, S130 may include S131 to S132:

[0074] S131: Based on the minimum resistance model, input the recreation resource center and the comprehensive resistance surface into the LinkageMapper model to identify the target corridor of the study area; among them, the Linkage Mapper model is set with the cost-weighted distance as the threshold for identifying the target corridor;

[0075] The expression of the minimum cumulative resistance model is:

[0076]

[0077] Among them, MCR represents the minimum cumulative resistance value of network flow; D xy represents the distance between the recreation resource center x and the recreation resource center y; R x represents the landscape resistance value between the recreation resource center x and the recreation resource center y; m and n represent the number of patches of the recreation resource center x and the recreation resource center y respectively.

[0078] S132: Identify the network strategic points of the target corridor based on the circuit theory;

[0079] The expression of the circuit theory is:

[0080]

[0081] Wherein, I is the current, used to represent the flow of a certain object between two recreation resource centers, V is the mutual force or attraction between the two recreation resource centers, and R is the comprehensive resistance surface.

[0082] More specifically, S132 may include S1321:

[0083] S1321: Identify the network pinch points and network obstacle points of the target corridor as the network strategic points based on the circuit theory.

[0084] As a further implementation manner, the step of identifying network pinch points in S1321 may include:

[0085] Based on the circuit theory and using the Pinchpoint Mapper model, identify the area where the current density in the target corridor reaches a preset threshold as the network pinch point.

[0086] As another further implementation manner, the step of identifying network obstacle points in S1321 may include:

[0087] Based on the circuit theory and using the Barrier Mapper model, identify the barrier that changes the position of the target corridor as the network obstacle point.

[0088] S140: Modify and adjust the network structure of the research area according to the recreation resource center, the target corridor, and the network strategic points to form the infrastructure network of the research area under the guidance of recreation.

[0089] Next, specific application examples will be combined to introduce and illustrate the solutions of the embodiments of the present application in detail.

[0090] In areas with rapid urbanization, the construction of the NbI network guided by the recreation function should adopt the concept of NbI and add human needs or the social functions of the city on the basis of the original ecological service functions. Therefore, there is an urgent need for a method for constructing the NbI network guided by the recreation function, which constructs the urban NbI network from the perspective of human needs while taking into account the ecology.

[0091] Therefore, this embodiment provides a method for constructing the NbI network guided by the recreation function, which solves the problem that the human well-being related needs are not considered in the network construction technology in the above-mentioned background technology. By constructing the NbI network, relevant services provided by nature are utilized and the sustainable development of the city is realized.

[0092] Specifically, the solution of this embodiment follows the principle of "patch-corridor-node" and specifically includes the following steps:

[0093] Step 1: Obtain the basic data of the study area, including administrative boundaries, online social platforms, elevation, water systems, roads, land use types, nature reserves, park green spaces, scenic spots, characteristic towns, POIs, etc.;

[0094] Step 2: Identify the recreation resource centers using the nature reserve data, park green space data, scenic spot data, characteristic town data, and river water system data;

[0095] Step 3: Based on the Minimum Cumulative Resistance (MCR) model, combine resistance factors such as landscape value index, elevation, slope, distance from roads, distance from water, distance from residential areas, bus stop service areas, and subway station service areas to construct a comprehensive resistance surface for extracting corridors;

[0096] Step 4: Use the Linkage Mapper model, input the recreation resource centers and the comprehensive resistance surface, set the cost-weighted distance as the threshold, and identify important corridors and potential corridors as the target corridors;

[0097] Step 5: Based on circuit theory, analyze the target corridors to identify the network strategic points of the target corridors;

[0098] Step 6: Modify and adjust the network structure of the study area according to the recreation resource centers, target corridors, and network strategic points to form a recreation-oriented NbI network pattern.

[0099] Furthermore, in Step 3, the expression of the Minimum Cumulative Resistance (MCR) model is as follows:

[0100]

[0101] where MCR represents the minimum cumulative resistance value of network flow; D xy represents the distance between recreation resource centers x and y; R x represents the landscape resistance value between recreation resource centers x and y; m and n represent the patch numbers of two recreation resource centers.

[0102] The calculation expression of the landscape resistance value of the resistance factor is as follows:

[0103] J = l·p·q;

[0104] where J represents the landscape value index, l represents the land use type, p represents the equivalent value of landscape recreation value, referring to the research of Xie Gaodi, q represents the recreation level, and the correction value of the recreation level is set to 1.75 for park green spaces, 1.5 for scenic spots, 1.25 for nature reserves, and 1 for other areas. <s

[0105] Furthermore, in Step 4, the circuit theory expression is as follows:

[0106]

[0107] Among them, I is the current, which is used to represent the flow of a certain object between two recreation resource centers, V is the interaction force or attraction between the two recreation resource centers, and R is the comprehensive resistance surface.

[0108] Furthermore, step 5 includes:

[0109] Based on circuit theory, the Pinchpoint Mapper model is used to identify the high current density areas of the corridor, and the network pinch points, that is, the important hubs of the target corridor, need to optimize the layout and composition.

[0110] Based on circuit theory, the Barrier Mapper model is used to identify the important barriers affecting the quality position of the target corridor, and the network barrier points, that is, the areas where people are hindered during the recreation process, which are the nodes that need to be focused on dredging.

[0111] In summary, the beneficial effects of this embodiment include:

[0112] 1. In this embodiment, by adding the conditions of network social platform score (scenic spot star rating) and the number of comments in the selection of recreation resource centers, the recreation resource centers can fully play their roles in meeting ecological functions and human needs, making up for the shortcoming that the selection of ecological network centers only considered the ecological functions of patches in the past.

[0113] 2. In this embodiment, the landscape value index is incorporated into the resistance factors for constructing the comprehensive resistance surface, which can reflect the high and low landscape recreation value of urban space, and the service scopes of buses and subways are added, so as to identify the recreation corridors that are more in line with serving people.

[0114] 3. In this embodiment, the NbI concept is referred to in both the construction of recreation resource centers and the resistance surface. The NbI network is constructed from the functional perspective of recreation, which not only realizes the protection of urban ecological functions but also plays the social functions of urban space, achieving multiple benefits.

[0115] To make the above objects, features, and advantages of the present application more obvious and understandable, the following further detailed description is given in conjunction with the accompanying drawings and more specific embodiments.

[0116] Step 1: Obtain the basic data of the study area. The basic data includes data such as administrative boundaries, network social platforms, elevation, water systems, roads, land use types, nature reserves, park greenspaces, scenic spots, characteristic towns, POIs, etc.

[0117] Step 2: Based on the data of nature reserves, park green spaces, scenic spots, characteristic towns, and river systems, use the evaluation index system in Table 1 for evaluation to obtain the recreation resource center. Tables 1-2 show some reference evaluation indicators and assignment criteria.

[0118] Table 1 Recreation Resource Center Evaluation Indicators

[0119]

[0120]

[0121] Table 2 Recreation Resource Center Evaluation Index Assignment Criteria

[0122]

[0123]

[0124]

[0125] Step 3: For resistance surface factors such as elevation, slope, distance from the road, and landscape value index, use the assignment method shown in Table 3 to obtain the raster map of resistance factors. The weights of each factor are obtained by the critic method, and finally the comprehensive resistance surface is obtained according to the weights.

[0126] The calculation formula for the landscape value index is:

[0127] J = l·p·q;

[0128] In the formula, J represents the landscape resistance value, l represents the land use type, p represents the equivalent value of landscape recreation value, referring to the research of Xie Gaodi, q represents the recreation level, and the correction value of the recreation level is set to 1.75 for park green spaces, 1.5 for scenic spots, 1.25 for nature reserves, and 1 for other areas. Exemplarily, Table 3 shows some optional resistance factors and resistance values.

[0129] Table 3

[0130]

[0131]

[0132] Step 4: Based on the minimum resistance model, use the Linkage Mapper model, input the recreation resource center and the comprehensive resistance surface, set the cost-weighted distance as the threshold, identify the target corridors, and divide them into first-level corridors and second-level corridors according to the natural breakpoint method.

[0133] Step 5: Based on circuit theory, analyze the target corridor, use the Pinchpoint Mapper model to identify the high current density areas of the target corridor, obtain the network pinch points, which are the important hubs of the target corridor and need to optimize the layout and composition. Use the Barrier Mapper model to identify the important barriers affecting the quality of the target corridor, obtain the network barrier points, which are the areas where people are hindered during the recreation process and are the nodes that need to be dredged key points.

[0134] Step 6: Modify and adjust the network structure of the study area according to the recreation resource center, target corridor and network strategic points to form the NbI network pattern under the guidance of recreation.

[0135] Refer to Figure 2 , this embodiment of the application also provides an infrastructure network construction device, which can implement the above-mentioned infrastructure network construction method. The device includes:

[0136] A data acquisition unit for acquiring the basic data of the study area;

[0137] A recreation resource identification unit for identifying the recreation resource center of the study area according to the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data in the basic data;

[0138] A resistance surface construction unit for constructing the comprehensive resistance surface of the study area according to the resistance factors in the basic data;

[0139] A corridor analysis unit for identifying the target corridor of the study area and the network strategic points of the target corridor according to the recreation resource center and the comprehensive resistance surface;

[0140] A network optimization unit for modifying and adjusting the network structure of the study area according to the recreation resource center, the target corridor and the network strategic points to form the infrastructure network of the study area under the guidance of recreation.

[0141] It can be understood that the content in the above method embodiment is applicable to this device embodiment. The functions specifically implemented by this device embodiment are the same as those in the above method embodiment, and the beneficial effects achieved are also the same as those in the above method embodiment.

[0142] This embodiment of the application also provides an electronic device. The electronic device includes a memory and a processor. The memory stores a computer program, and when the processor executes the computer program, it implements the above-mentioned infrastructure network construction method. The electronic device can be any intelligent terminal including a tablet computer, an in-vehicle computer, etc.

[0143] It is understandable that the content in the above method embodiments is applicable to the device embodiments of the present application. The functions specifically implemented by the device embodiments of the present application are the same as those of the above method embodiments, and the beneficial effects achieved are also the same as those of the above method embodiments.

[0144] Please refer to Figure 3 , Figure 3 which schematically shows the hardware structure of an electronic device in another embodiment. The electronic device includes:

[0145] A processor 301, which can be implemented in ways such as a general-purpose CPU (Central Processing Unit), a microprocessor, an application-specific integrated circuit (ASIC), or one or more integrated circuits, and is used to execute relevant programs to implement the technical solutions provided by the embodiments of the present application;

[0146] A memory 302, which can be implemented in forms such as a read-only memory (ROM), a static storage device, a dynamic storage device, or a random access memory (RAM). The memory 302 can store an operating system and other application programs. When implementing the technical solutions provided by the embodiments of this specification through software or firmware, the relevant program codes are stored in the memory 302 and are called by the processor 301 to execute a method for constructing an infrastructure network according to an embodiment of the present application;

[0147] An input / output interface 303, which is used to implement information input and output;

[0148] A communication interface 304, which is used to implement communication and interaction between the present device and other devices, and can achieve communication through wired means (such as USB, network cable, etc.) or wireless means (such as mobile network, WIFI, Bluetooth, etc.);

[0149] A bus 305, which transmits information between various components of the device (such as the processor 301, the memory 302, the input / output interface 303, and the communication interface 304);

[0150] Among them, the processor 301, the memory 302, the input / output interface 303, and the communication interface 304 achieve communication connections with each other inside the device through the bus 305.

[0151] The embodiments of the present application also provide a computer-readable storage medium, which stores a computer program. When the computer program is executed by a processor, it implements the above method for constructing an infrastructure network.

[0152] It can be understood that the content in the above method embodiments is applicable to this storage medium embodiment. The functions specifically implemented by this storage medium embodiment are the same as those of the above method embodiments, and the beneficial effects achieved are also the same as those of the above method embodiments.

[0153] As a non-transitory computer-readable storage medium, the memory can be used to store non-transitory software programs and non-transitory computer-executable programs. In addition, the memory may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, a flash memory device, or other non-transitory solid-state storage devices. In some embodiments, the memory may optionally include a memory remotely disposed relative to the processor, and these remote memories can be connected to the processor through a network. Examples of the above network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.

[0154] The embodiments described in this application are to more clearly illustrate the technical solutions of the embodiments of this application, and do not constitute a limitation on the technical solutions provided by the embodiments of this application. Those skilled in the art will know that with the evolution of technology and the emergence of new application scenarios, the technical solutions provided by the embodiments of this application are equally applicable to similar technical problems.

[0155] Those skilled in the art can understand that the technical solutions shown in the figures do not constitute a limitation on the embodiments of this application, and may include more or fewer steps than shown in the figures, or combine certain steps, or different steps.

[0156] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separated, that is, they may be located in one place, or may be distributed to multiple network units. Some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0157] Those of ordinary skill in the art can understand that all or some of the steps in the methods disclosed above, and the functional modules / units in the systems and devices, can be implemented as software, firmware, hardware, and appropriate combinations thereof.

[0158] In the description of this application and the above-mentioned drawings, terms such as "first", "second", "third", "fourth", etc. (if any) are used to distinguish similar objects and do not necessarily describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances so that the embodiments of this application described here can be implemented in an order other than those illustrated or described here. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that comprises a series of steps or units does not necessarily have to be limited to those steps or units clearly listed, but may include other steps or units not clearly listed or inherent to these processes, methods, products, or devices.

[0159] It should be understood that in this application, "at least one (item)" means one or more, and "a plurality" means two or more. "And / or" is used to describe the association relationship of associated objects and indicates that three relationships can exist. For example, "A and / or B" can mean: only A exists, only B exists, and both A and B exist at the same time. Among them, A and B can be singular or plural. The character " / " generally means that the associated objects before and after are in an "or" relationship. "At least one (one) of the following" or similar expressions refer to any combination of these items, including any combination of single items (ones) or plural items (ones). For example, at least one (one) of a, b, or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, c can be single or plural.

[0160] In several embodiments provided in this application, it should be understood that the disclosed devices and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the above-mentioned division of units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the displayed or discussed coupling or direct coupling or communication connection to each other can be through some interfaces. The indirect coupling or communication connection of devices or units can be in electrical, mechanical, or other forms.

[0161] The units described above as separate components may or may not be physically separated. The components displayed as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0162] In addition, in each embodiment of the present application, each functional unit may be integrated into a processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit. The above integrated unit may be implemented in the form of hardware or in the form of a software functional unit.

[0163] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it may be stored in a computer-readable storage medium. Based on such an understanding, the technical solution of the present application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a plurality of instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods in each embodiment of the present application. The foregoing storage medium includes: various media such as USB flash drives, mobile hard disks, read-only memories (ROM), random access memories (RAM), magnetic disks, or optical discs that can store programs.

[0164] The preferred embodiments of the embodiments of the present application have been described above with reference to the accompanying drawings, but this does not limit the scope of rights of the embodiments of the present application. Any modifications, equivalent replacements, and improvements made by those skilled in the art without departing from the scope and essence of the embodiments of the present application shall fall within the scope of rights of the embodiments of the present application.

Claims

1. A method for constructing a nature-based recreational infrastructure network, characterized in that, The method includes the following steps: Obtain the basic data of the study area; Identify the recreation resource centers in the study area according to the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data in the basic data; Construct the comprehensive resistance surface of the study area according to the resistance factors in the basic data; Identify the target corridors in the study area and the network strategic points of the target corridors according to the recreation resource centers and the comprehensive resistance surface; Modify and adjust the network structure of the study area according to the recreation resource centers, the target corridors, and the network strategic points to form a nature-based recreation infrastructure network in the study area under the guidance of recreation.

2. The method for constructing a nature-based recreation infrastructure network according to claim 1, wherein The step of identifying the recreation resource centers in the study area according to the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data in the basic data includes the following steps: Screen out alternative resource centers according to the evaluation index system such as area, grade, social platform star rating and number of comments, function and facility perfection degree, etc. in the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data in the basic data; Conduct kernel density analysis based on POI data to determine the intensive area of recreation demand, compare it with the alternative resource centers, and add some resource centers in the concentrated area to form the final recreation resource centers. The calculation formula of the kernel density analysis is: Among them, f(x) is the probability density function to be estimated, K(·) is the kernel function, which is used to calculate the contribution of the sample point to the position x, h is the bandwidth, which controls the width of the kernel function, and n is the number of samples.

3. A method for constructing a nature-based recreational infrastructure network according to claim 1, characterized in that The step of constructing the comprehensive resistance surface of the study area according to the resistance factors in the basic data includes the following steps: Calculate the landscape value index according to the land use data in the basic data, and then combine the elevation data, slope data, road data, bus stops, subway station data, and residential area data as resistance factors to form a comprehensive resistance surface; The calculation formula of the landscape value index is: J = l·p·q; Among them, J is the landscape resistance value, l represents the land use type, p represents the landscape recreation value equivalent, and q represents the recreation level.

4. A method for constructing a nature-based recreational infrastructure network according to claim 1, characterized in that, The step of identifying the target corridors in the study area and the network strategic points of the target corridors according to the recreation resource centers and the comprehensive resistance surface includes the following steps: Based on the minimum resistance model, input the recreation resource centers and the comprehensive resistance surface into the Linkage Mapper model to identify the target corridors in the study area; among them, the Linkage Mapper model is set with the cost-weighted distance as the threshold for identifying the target corridors; The expression of the minimum cumulative resistance model is: Among them, MCR represents the minimum cumulative resistance value of network flow; D xy represents the distance between the recreation resource center x and the recreation resource center y; R x represents the landscape resistance value between the recreation resource center x and the recreation resource center y; m and n represent the patch numbers of the recreation resource center x and the recreation resource center y respectively. Based on circuit theory, identify the network strategic points of the target corridors in the Linkage Mapper model; The expression of the circuit theory is: Among them, I is the current, which is used to represent the flow of a certain object between two recreation resource centers, V is the mutual force or attraction between two recreation resource centers, and R is the comprehensive resistance surface.

5. A method for constructing a nature-based recreational infrastructure network according to claim 4, characterized in that Identifying the network strategic points of the target corridor based on the circuit theory includes the following steps: Identifying the network pinch points and network obstacle points of the target corridor as the network strategic points based on the circuit theory.

6. The method for constructing a nature-based recreational infrastructure network according to claim 5, wherein Identifying the network pinch points of the target corridor based on the circuit theory includes the following steps: Identifying the areas where the current density in the target corridor reaches a preset threshold as the network pinch points based on the circuit theory and using the Pinchpoint Mapper model; Identifying the network obstacle points of the target corridor based on the circuit theory includes the following steps: Identifying the barriers that change the position of the target corridor as the network obstacle points based on the circuit theory and using the Barrier Mapper model.

7. An apparatus for constructing a nature-based recreational infrastructure network, characterized in that, The device includes: A data acquisition unit for acquiring the basic data of the study area; A recreation resource center identification unit for identifying the recreation resource center of the study area according to the nature reserve data, park green space data, scenic area data, characteristic town data, and river system data in the basic data; A resistance surface construction unit for constructing the comprehensive resistance surface of the study area according to the resistance factors in the basic data; A corridor analysis unit for identifying the target corridor of the study area and the network strategic points of the target corridor according to the recreation resource center and the comprehensive resistance surface; A network optimization unit for correcting and adjusting the network structure of the study area according to the recreation resource center, the target corridor, and the network strategic points to form the infrastructure network of the study area under the guidance of recreation.

8. An electronic device, characterized in that, The electronic device includes a memory and a processor. The memory stores a computer program, and when the processor executes the computer program, the method described in any one of claims 1 to 7 is implemented.

9. A computer-readable storage medium storing a computer program, characterized in that, When the computer program is executed by the processor, the method described in any one of claims 1 to 7 is implemented.

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