CN112418821B - Ecological red line automatic positioning and display system and method for site selection and line selection of power grid projects - Google Patents

Ecological red line automatic positioning and display system and method for site selection and line selection of power grid projects Download PDF

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CN112418821B
CN112418821B CN202011428530.8A CN202011428530A CN112418821B CN 112418821 B CN112418821 B CN 112418821B CN 202011428530 A CN202011428530 A CN 202011428530A CN 112418821 B CN112418821 B CN 112418821B
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张飞乔
李国勇
壮定军
祝轩
裴忠军
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State Grid Corp of China SGCC
State Grid Hunan Electric Power Co Ltd
Yiyang Power Supply Co of State Grid Hunan Electric Power Co Ltd
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State Grid Hunan Electric Power Co Ltd
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Abstract

The invention discloses an ecological red line automatic positioning display system, which comprises a user management module, a map function module, a data processing module and a data display module; the user management module performs user management and authority setting; the map function module displays an ecological red line area, and the real-time position and destination navigation of a user are performed; the data processing module acquires the position data of the ecological red line and realizes conversion, cutting, processing and returning of the position data of the ecological red line in real time; the data display module displays the position data of the ecological red line in real time and displays a map. The invention also discloses a power grid project site selection and line selection method adopting the ecological red line automatic positioning and displaying system. The system can quickly realize automatic positioning and display of the ecological red line, and has good safety and high display speed; meanwhile, the system of the invention is adopted to carry out the site selection and line selection process of the power grid project, the line selection process is rapid and accurate, and the efficiency is higher.

Description

生态红线自动定位显示系统及电网项目选址选线方法Ecological red line automatic positioning and display system and method for site selection and line selection of power grid projects

技术领域technical field

本发明属于定位技术领域，具体涉及一种生态红线自动定位显示系统及电网项目选址选线方法。The invention belongs to the technical field of positioning, and in particular relates to an automatic positioning and display system for an ecological red line and a method for site selection and line selection of power grid projects.

背景技术Background technique

随着经济技术的发展和人们生活水平的提高，国家对于环境保护的力度越来越大，人们也越来越关注环境问题。正因如此，国家制定了生态保护红线，并对生态保护红线内的区域实现严格保护。With the development of economy and technology and the improvement of people's living standards, the country has become more and more intensive in environmental protection, and people are paying more and more attention to environmental issues. For this reason, the country has formulated ecological protection red lines, and strictly protected the areas within the ecological protection red lines.

但是，随着人们生产和生活对于电能的依赖加大，电网也在逐步进行扩大建设。电网建设时，建设项目的选线选址往往存在于山区、林地、湖区等区域；但是该部分区域却经常落入生态红线范围内。因此，目前的生态红线区域，对电网项目的选址选线造成了一定的制约。However, as people's production and life rely more on electric energy, the power grid is gradually expanding and constructing. During power grid construction, the route selection and site selection of construction projects often exist in areas such as mountainous areas, woodlands, and lake areas; however, this part of the area often falls within the scope of the ecological red line. Therefore, the current ecological red line area has caused certain restrictions on the site selection of power grid projects.

但是，目前并没有一种能够实时且快速的对生态红线区域进行定位和显示的系统；这使得电力系统工作人员在实地考察选址选线时，操作较为困难，而且费时费力，效率极低。However, at present, there is no system that can locate and display the ecological red line area in real time and quickly; this makes it difficult for power system staff to conduct site inspections, site selection and line selection, and is time-consuming and labor-intensive, with extremely low efficiency.

发明内容Contents of the invention

本发明的目的之一在于提供一种可靠性高、实用性好、实时性高且快捷方便的生态红线自动定位显示系统。One of the objects of the present invention is to provide a fast and convenient ecological red line automatic positioning and display system with high reliability, good practicability, high real-time performance.

本发明的目的之二在于提供一种采用所述生态红线自动定位显示系统的电网项目选址选线方法。The second object of the present invention is to provide a method for site selection and line selection of power grid projects using the ecological red line automatic positioning and display system.

本发明提供的这种生态红线自动定位显示系统，包括用户管理模块、地图功能模块、数据处理模块和数据显示模块；地图功能模块和数据处理模块相互连接，数据处理模块和数据显示模块相互连接；用户管理模块用于对所述生态红线自动定位显示系统进行用户管理和权限设置；地图功能模块用于实时显示生态红线区域，进行用户的实时位置显示和用户的目的地导航；数据处理模块用于获取生态红线的位置数据，并实时实现生态红线的位置数据的转换、裁剪、处理和返回；数据显示模块用于实时显示生态红线的位置数据，并进行地图展示。The ecological red line automatic positioning and display system provided by the present invention includes a user management module, a map function module, a data processing module and a data display module; the map function module and the data processing module are connected to each other, and the data processing module and the data display module are connected to each other; The user management module is used for user management and permission setting of the automatic positioning and display system of the ecological red line; the map function module is used for real-time display of the ecological red line area, and the real-time position display of the user and the destination navigation of the user; the data processing module is used for Obtain the position data of the ecological red line, and realize the conversion, cutting, processing and returning of the position data of the ecological red line in real time; the data display module is used to display the position data of the ecological red line in real time, and display the map.

所述的用户管理模块，具体为通过web端管理用户的登录；所有用户通过web端内部创建，并不提供注册接口；每个账号从系统登陆时请求web端，匹配账号密码，返回token加密信息，用户通过该token加密信息才能进入系统。The user management module is specifically to manage user login through the web side; all users are created internally through the web side, and does not provide a registration interface; each account requests the web side when logging in from the system, matches the account password, and returns token encrypted information , the user can only enter the system by encrypting information with this token.

所述的数据显示模块，具体为获取当前系统所显示的屏幕上四个顶点的坐标位置，并将获取的坐标位置下发给数据处理模块；同时接收数据处理模块上传的处理数据，并在地图图层上进行展示。The data display module specifically obtains the coordinate positions of four vertices on the screen displayed by the current system, and sends the acquired coordinate positions to the data processing module; simultaneously receives the processing data uploaded by the data processing module, and displays them on the map displayed on the layer.

所述的地图功能模块，具体为采用如下步骤实现：The map function module is specifically implemented by the following steps:

通过高德地图提供的API接口实现；Through the API interface provided by Gaode map;

实现定点测距功能：获取目标定点的经纬度信息，以及当前位置的经纬地信息，然后通过经纬度计算公式计算当前位置与目标定点之间的距离，并进行显示；Realize the fixed-point ranging function: obtain the longitude and latitude information of the target fixed point, and the latitude and longitude information of the current location, and then calculate the distance between the current location and the target fixed point through the longitude and latitude calculation formula, and display it;

实现任意点导航功能：获取选取的任意目的地的经纬度信息对象latlng，然后通过经纬度创建Poi对象，再将Poi对象传递给高德地图并调用高德地图接口，从而实现任意点的导航。Realize the navigation function of any point: obtain the longitude and latitude information object latlng of any selected destination, then create a Poi object through the latitude and longitude, and then pass the Poi object to the AutoNavi map and call the AutoNavi map interface, so as to realize the navigation of any point.

所述的数据处理模块，具体为获取保护红线的标准经纬度坐标信息，并将经纬度信息转换为火星坐标信息，从而保证数据精度；然后根据数据精度，将数据分为若干个数据层级，每一个数据层级存储不同精度的保护红线的数据信息；最后根据接收的数据请求，分析并选定最终的数据层级，并对该数据层级的数据进行筛选和匹配裁剪，并将最终的数据上传对应的模块。The data processing module specifically obtains the standard longitude and latitude coordinate information of the protection red line, and converts the longitude and latitude information into Mars coordinate information, so as to ensure the data accuracy; then according to the data accuracy, the data is divided into several data levels, each data The level stores the data information of the protection red line with different precision; finally, according to the received data request, the final data level is analyzed and selected, and the data of the data level is screened, matched and tailored, and the final data is uploaded to the corresponding module.

所述的数据处理模块，具体为将保护红线的数据以块的形式存放；获取当前系统所在设备的显示屏幕的四个顶点的坐标所对应的经纬度信息，以及当前显示屏幕所对应的当前可视区显示的层级信息zoom；根据获取的层级信息zoom，选定对应的数据层级；分析显示屏幕的四个顶点坐标所对应的经纬度信息，并获取显示屏幕最大经度、显示屏幕最大纬度、显示屏幕最小经度和显示屏幕最小纬度；同时，通过获取的最大经度、最大纬度、最小经度和最小纬度，以如下原则过滤数据块：The data processing module specifically stores the data of the protection red line in the form of blocks; obtains the latitude and longitude information corresponding to the coordinates of the four vertices of the display screen of the device where the current system is located, and the current visual information corresponding to the current display screen. The layer information zoom displayed in the area; according to the obtained layer information zoom, select the corresponding data layer; analyze the latitude and longitude information corresponding to the four vertex coordinates of the display screen, and obtain the maximum longitude of the display screen, the maximum latitude of the display screen, and the minimum display screen Longitude and the minimum latitude of the display screen; at the same time, through the obtained maximum longitude, maximum latitude, minimum longitude and minimum latitude, filter the data block according to the following principles:

块的最小经度小于或等于显示屏幕最大经度；块的最大经度大于或等于显示屏幕最小经度；块的最小纬度小于或等于显示屏幕最大纬度；块的最大纬度大于或等于显示屏幕最小纬度；The minimum longitude of the block is less than or equal to the maximum longitude of the display screen; the maximum longitude of the block is greater than or equal to the minimum longitude of the display screen; the minimum latitude of the block is less than or equal to the maximum latitude of the display screen; the maximum latitude of the block is greater than or equal to the minimum latitude of the display screen;

采用嵌套查询的方式查询到数据块中的点集数据信息，然后将查询到数据块中的点集数据信息创建三方包shapely的Polygon、MultiPolygon对象；最后分别将这些保护区块和非保护区块与屏幕四点组成的区域，使用shapely包提供的intersection方法做交集，排除空洞区块数据，切割排除显示屏幕外的区域数据，得到需要显示的保护区块数据，最后将这些数据返回给显示屏幕进行加载显示。The point set data information in the data block is queried by nested query, and then the point set data information in the data block is queried to create Polygon and MultiPolygon objects of the three-party package shapely; finally, these protected blocks and non-protected areas are respectively Use the intersection method provided by the shapely package to intersect the area composed of four points on the block and the screen, exclude empty block data, cut and exclude area data outside the display screen, obtain the protected block data that needs to be displayed, and finally return these data to the display The screen is displayed for loading.

本发明还提供了一种采用所述生态红线自动定位显示系统的电网项目选址选线方法，具体包括如下步骤：The present invention also provides a method for site selection and line selection of power grid projects using the ecological red line automatic positioning and display system, which specifically includes the following steps:

S1.获取电网项目选址选线的初步方案；S1. Obtain the preliminary plan for site selection and line selection of power grid projects;

S2.电网人员采用所述生态红线自动定位显示系统，实地对步骤S1获取的初步方案，进行选址规划作业；S2. Power grid personnel use the ecological red line automatic positioning and display system to carry out site selection and planning operations on the preliminary plan obtained in step S1;

S3.根据步骤S2得到的选址规划作业结果，确定最终的电网项目选址选线方案，完成电网项目的选址选线。S3. According to the site selection and planning operation results obtained in step S2, determine the final site selection and line selection plan for the power grid project, and complete the site selection and line selection of the power grid project.

本发明提供的这种生态红线自动定位显示系统及电网项目选址选线方法，通过将生态红线数据存储到系统中，并根据系统操作人员的操作，实时将数据进行分层显示和筛选显示，并实现了任意点导航；本发明系统能够快速的实现生态红线的自动定位和显示，而且安全性好，显示速度快；同时采用本发明系统进行电网项目选址选线过程，选线过程快速准确，而且效率较高。The ecological red line automatic positioning and display system and the site selection and line selection method of the power grid project provided by the present invention store the ecological red line data in the system, and perform layered display and screening display of the data in real time according to the operation of the system operator, And realize the navigation of any point; the system of the present invention can quickly realize the automatic positioning and display of the ecological red line, and has good safety and fast display speed; at the same time, the system of the present invention is used for the site selection process of the power grid project, and the line selection process is fast and accurate , and the efficiency is higher.

附图说明Description of drawings

图1为本发明系统的功能模块图。Fig. 1 is a functional block diagram of the system of the present invention.

图2为本发明方法的方法流程示意图。Fig. 2 is a schematic flow chart of the method of the present invention.

具体实施方式Detailed ways

如图1所示为本发明系统的功能模块图：本发明提供的这种生态红线自动定位显示系统，包括用户管理模块、地图功能模块、数据处理模块和数据显示模块；地图功能模块和数据处理模块相互连接，数据处理模块和数据显示模块相互连接；用户管理模块用于对所述生态红线自动定位显示系统进行用户管理和权限设置；地图功能模块用于实时显示生态红线区域，进行用户的实时位置显示和用户的目的地导航；数据处理模块用于获取生态红线的位置数据，并实时实现生态红线的位置数据的转换、裁剪、处理和返回；数据显示模块用于实时显示生态红线的位置数据，并进行地图展示。As shown in Figure 1, it is the functional block diagram of the system of the present invention: this ecological red line automatic positioning display system provided by the present invention includes user management module, map function module, data processing module and data display module; map function module and data processing The modules are connected to each other, and the data processing module and the data display module are connected to each other; the user management module is used for user management and authority setting of the automatic positioning display system of the ecological red line; the map function module is used for real-time display of the ecological red line area, and real-time user Position display and user's destination navigation; the data processing module is used to obtain the position data of the ecological red line, and realize the conversion, cutting, processing and return of the position data of the ecological red line in real time; the data display module is used to display the position data of the ecological red line in real time , and display the map.

具体实施时：When implementing it:

用户管理模块，通过web端管理用户的登录；所有用户通过web端内部创建，并不提供注册接口；每个账号从系统登陆时请求web端，匹配账号密码，返回token加密信息，用户通过该token加密信息才能进入系统。The user management module manages user login through the web side; all users are created internally through the web side, and does not provide a registration interface; each account requests the web side when logging in from the system, matches the account password, and returns token encrypted information, and the user passes the token Encrypted information to enter the system.

数据显示模块，获取当前系统所显示的屏幕上四个顶点的坐标位置，并将获取的坐标位置下发给数据处理模块；同时接收数据处理模块上传的处理数据，并在地图图层上进行展示；返回的数据为Polygon形式的坐标点，系统所在的终端将这此类数据通过描点连线将其画出并进行颜色图层处理，另外，Polygon数据中还存在空洞数据，这些空洞代表多边形内非生态红线保护区域，系统所在的终端对这些数据进行进一步描点去除图层，最终实现，屏幕移动时触发请求，数据处理端处理数据并返回，系统所在的终端在地图上画出生态红线保护区域展示。The data display module obtains the coordinate positions of the four vertices on the screen currently displayed by the system, and sends the obtained coordinate positions to the data processing module; at the same time, it receives the processed data uploaded by the data processing module and displays them on the map layer ;The returned data is the coordinate points in the form of Polygon. The terminal where the system is located draws this type of data through the points and lines and performs color layer processing. In addition, there are hole data in the Polygon data, and these holes represent polygons. In the non-ecological red line protection area, the terminal where the system is located will further trace the data to remove the layer, and finally realize that when the screen moves, a request is triggered, the data processing end processes the data and returns, and the terminal where the system is located draws the ecological red line protection area on the map exhibit.

地图功能模块，采用如下步骤实现：The map function module is realized by the following steps:

通过高德地图提供的API接口实现；Through the API interface provided by Gaode map;

实现定点测距功能：获取目标定点的经纬度信息，以及当前位置的经纬地信息，然后通过经纬度计算公式计算当前位置与目标定点之间的距离，并进行显示；Realize the fixed-point ranging function: obtain the longitude and latitude information of the target fixed point, and the latitude and longitude information of the current location, and then calculate the distance between the current location and the target fixed point through the longitude and latitude calculation formula, and display it;

实现任意点导航功能：获取选取的任意目的地的经纬度信息对象latlng，然后通过经纬度创建Poi对象，再将Poi对象传递给高德地图并调用高德地图接口，从而实现任意点的导航。Realize the navigation function of any point: obtain the longitude and latitude information object latlng of any selected destination, then create a Poi object through the latitude and longitude, and then pass the Poi object to the AutoNavi map and call the AutoNavi map interface, so as to realize the navigation of any point.

数据处理模块：获取保护红线的标准经纬度坐标信息，并将经纬度信息转换为火星坐标信息，从而保证数据精度；然后根据数据精度，将数据分为若干个数据层级，每一个数据层级存储不同精度的保护红线的数据信息；最后根据接收的数据请求，分析并选定最终的数据层级，并对该数据层级的数据进行筛选和匹配裁剪，并将最终的数据上传对应的模块。Data processing module: Obtain the standard longitude and latitude coordinate information of the protection red line, and convert the longitude and latitude information into Mars coordinate information, so as to ensure the data accuracy; then according to the data accuracy, the data is divided into several data levels, and each data level stores data of different precision. Protect the data information of the red line; finally, according to the received data request, analyze and select the final data level, and filter, match and tailor the data of the data level, and upload the final data to the corresponding module.

此外，为将保护红线的数据以块的形式存放；获取当前系统所在设备的显示屏幕的四个顶点的坐标所对应的经纬度信息，以及当前显示屏幕所对应的当前可视区显示的层级信息zoom；根据获取的层级信息zoom，选定对应的数据层级；分析显示屏幕的四个顶点坐标所对应的经纬度信息，并获取显示屏幕最大经度、显示屏幕最大纬度、显示屏幕最小经度和显示屏幕最小纬度；同时，通过获取的最大经度、最大纬度、最小经度和最小纬度，以如下原则过滤数据块：In addition, in order to store the data of the protection red line in the form of blocks; obtain the latitude and longitude information corresponding to the coordinates of the four vertices of the display screen of the device where the current system is located, and the level information displayed in the current visible area corresponding to the current display screen zoom ; Select the corresponding data level according to the obtained level information zoom; analyze the latitude and longitude information corresponding to the four vertex coordinates of the display screen, and obtain the maximum longitude of the display screen, the maximum latitude of the display screen, the minimum longitude of the display screen and the minimum latitude of the display screen ;At the same time, filter the data block according to the following principles through the obtained maximum longitude, maximum latitude, minimum longitude and minimum latitude:

块的最小经度小于或等于显示屏幕最大经度；块的最大经度大于或等于显示屏幕最小经度；块的最小纬度小于或等于显示屏幕最大纬度；块的最大纬度大于或等于显示屏幕最小纬度；The minimum longitude of the block is less than or equal to the maximum longitude of the display screen; the maximum longitude of the block is greater than or equal to the minimum longitude of the display screen; the minimum latitude of the block is less than or equal to the maximum latitude of the display screen; the maximum latitude of the block is greater than or equal to the minimum latitude of the display screen;

采用嵌套查询的方式查询到数据块中的点集数据信息，然后将查询到数据块中的点集数据信息创建三方包shapely的Polygon、MultiPolygon对象；最后分别将这些保护区块和非保护区块与屏幕四点组成的区域，使用shapely包提供的intersection方法做交集，排除空洞区块数据，切割排除显示屏幕外的区域数据，得到需要显示的保护区块数据，最后将这些数据返回给显示屏幕进行加载显示。The point set data information in the data block is queried by nested query, and then the point set data information in the data block is queried to create Polygon and MultiPolygon objects of the three-party package shapely; finally, these protected blocks and non-protected areas are respectively Use the intersection method provided by the shapely package to intersect the area composed of four points on the block and the screen, exclude empty block data, cut and exclude area data outside the display screen, obtain the protected block data that needs to be displayed, and finally return these data to the display The screen is displayed for loading.

如图2所示为本发明方法的方法流程示意图：本发明提供的这种采用所述生态红线自动定位显示系统的电网项目选址选线方法，具体包括如下步骤：As shown in Figure 2, it is a schematic flow chart of the method of the present invention: the site selection and line selection method of the power grid project using the ecological red line automatic positioning and display system provided by the present invention specifically includes the following steps:

S1.获取电网项目选址选线的初步方案；S1. Obtain the preliminary plan for site selection and line selection of power grid projects;

S2.电网人员采用所述生态红线自动定位显示系统，实地对步骤S1获取的初步方案，进行选址规划作业；S2. Power grid personnel use the ecological red line automatic positioning and display system to carry out site selection and planning operations on the preliminary plan obtained in step S1;

S3.根据步骤S2得到的选址规划作业结果，确定最终的电网项目选址选线方案，完成电网项目的选址选线。S3. According to the site selection and planning operation results obtained in step S2, determine the final site selection and line selection plan for the power grid project, and complete the site selection and line selection of the power grid project.

本系统只需要录入相应的矢量数据，同样可适用于自然保护区、风景名胜区、世界文化遗产和自然遗产、饮用水水源保护区、海洋特别保护区等环境敏感区的定位识别，也可推广应用于其他能源、交通等国家重点建设项目的选址选线工作，可在项目前期阶段规避因涉及相关重要环境敏感目标而出现的颠覆因素，为项目选址选线工作提供坚强的技术支撑。This system only needs to enter the corresponding vector data, and it is also applicable to the positioning and identification of environmentally sensitive areas such as nature reserves, scenic spots, world cultural heritage and natural heritage, drinking water source protection areas, and special marine protection areas, and can also be popularized and applied For the site selection and route selection of other national key construction projects such as energy and transportation, it can avoid subversive factors in the early stage of the project due to the involvement of relevant important environmentally sensitive targets, and provide strong technical support for the project site selection and route selection.

Claims (4)

1. The ecological red line automatic positioning display system is characterized by comprising a user management module, a map function module, a data processing module and a data display module; the map function module is connected with the data processing module, and the data processing module and the data display module are connected with each other; the user management module is used for carrying out user management and authority setting on the ecological red line automatic positioning display system; the map function module is used for displaying the ecological red line area in real time, displaying the real-time position of the user and navigating the destination of the user; the data processing module is used for acquiring the position data of the ecological red line and realizing conversion, cutting, processing and return of the position data of the ecological red line in real time; the data display module is used for displaying the position data of the ecological red line in real time and displaying a map;
the map function module is realized by the following steps:
realizing through an API interface provided by the Goldmap;
realize fixed point ranging function: acquiring longitude and latitude information of a target fixed point and longitude and latitude ground information of a current position, calculating the distance between the current position and the target fixed point through a longitude and latitude calculation formula, and displaying;
realize arbitrary point navigation function: acquiring a latitude and longitude information object latng of any selected destination, creating a Poi object through the latitude and longitude, transmitting the Poi object to a Gordon map, and calling a Gordon map interface, so that navigation of any point is realized;
the data processing module is used for acquiring standard longitude and latitude coordinate information of the protection red line and converting the longitude and latitude information into Mars coordinate information so as to ensure data precision; then dividing the data into a plurality of data layers according to the data precision, wherein each data layer stores the data information of the protection red line with different precision; finally, according to the received data request, analyzing and selecting a final data level, screening, matching and cutting the data of the data level, and uploading the final data to a corresponding module;
the data processing module is used for storing the data of the protection red line in a block form; acquiring longitude and latitude information corresponding to coordinates of four vertexes of a display screen of equipment where a current system is located and hierarchy information boom displayed in a current visual area corresponding to the current display screen; selecting a corresponding data level according to the acquired level information boom; analyzing longitude and latitude information corresponding to four vertex coordinates of a display screen, and acquiring the maximum longitude of the display screen, the maximum latitude of the display screen, the minimum longitude of the display screen and the minimum latitude of the display screen; meanwhile, the data block is filtered through the acquired maximum longitude, maximum latitude, minimum longitude and minimum latitude according to the following principle:
the minimum longitude of the block is less than or equal to the maximum longitude of the display screen; the maximum longitude of the block is greater than or equal to the minimum longitude of the display screen; the minimum latitude of the block is smaller than or equal to the maximum latitude of the display screen; the maximum latitude of the block is larger than or equal to the minimum latitude of the display screen;
inquiring point set data information in the data block in a nested inquiring mode, and then creating Polygon, multiPolygon objects of the three-party package shape by the inquired point set data information in the data block; and finally, respectively intersecting the areas consisting of the protection areas, the non-protection areas and the four points of the screen by using an intersection method provided by a shape package, removing the cavity block data, cutting and removing the area data outside the display screen to obtain the protection block data to be displayed, and finally, returning the data to the display screen for loading and displaying.
2. The ecological red line automatic positioning display system according to claim 1, wherein the user management module manages the login of the user through a web terminal; all users are built inside through the web end and do not provide a registration interface; each account requests a web end when logging in from the system, matches the account password, returns token encryption information, and a user can enter the system through the token encryption information.
3. The automatic positioning display system of ecological red line according to claim 1, wherein the data display module is specifically configured to obtain coordinate positions of four vertices on a screen displayed by the current system, and send the obtained coordinate positions to the data processing module; and meanwhile, receiving the processing data uploaded by the data processing module and displaying the processing data on a map layer.
4. A method for selecting a site and a line of a power grid project by adopting the automatic positioning and displaying system of an ecological red line according to one of claims 1 to 3, which comprises the following steps:
s1, acquiring a preliminary scheme of power grid project site selection and line selection;
s2, carrying out site selection planning operation on the preliminary scheme obtained in the step S1 in the field by power grid personnel by adopting the ecological red line automatic positioning display system according to one of claims 1 to 3;
s3, determining a final power grid project site selection and route selection scheme according to the site selection planning operation result obtained in the step S2, and completing site selection and route selection of the power grid project.
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