CN112418821B - Automatic positioning display system for ecological red lines and power grid project site selection and line selection method - Google Patents
Automatic positioning display system for ecological red lines and power grid project site selection and line selection method Download PDFInfo
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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
Technical Field
The invention belongs to the technical field of positioning, and particularly relates to an automatic positioning display system for ecological red lines and a power grid project site selection and line selection method.
Background
With the development of economic technology and the improvement of living standard of people, the national environmental protection force is more and more strong, and people are also paying more attention to environmental problems. As such, countries have formulated ecological protection red lines and realized strict protection for areas within the ecological protection red lines.
However, as the dependence of people on electric energy increases in production and life, the power grid is gradually built up. When the power grid is built, the line selection and site selection of the building project often exist in areas such as mountain areas, forest lands, lake areas and the like; but this partial region often falls within the ecological red line. Therefore, the current ecological red line area has certain restriction on the site selection and line selection of the power grid project.
However, there is currently no system capable of locating and displaying an ecological red line area in real time and rapidly; therefore, when the power system staff inspects site selection and route selection in the field, the operation is difficult, time and labor are wasted, and the efficiency is extremely low.
Disclosure of Invention
The invention aims to provide an ecological red line automatic positioning display system which is high in reliability, good in practicability, high in instantaneity, quick and convenient.
The second purpose of the invention is to provide a power grid project site selection and line selection method adopting the ecological red line automatic positioning and displaying system.
The invention provides 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 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 user management module is used for managing the login of a user through a web end; 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.
The data display module is used for acquiring coordinate positions of four vertexes on a screen displayed by the current system and transmitting the acquired 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.
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: and 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; and finally, analyzing and selecting a final data level according to the received data request, 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.
The invention also provides a power grid project site selection and line selection method adopting the ecological red line automatic positioning and displaying system, 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 using the ecological red line automatic positioning display system by power grid personnel;
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.
According to the ecological red line automatic positioning display system and the power grid project site selection line selection method, ecological red line data are stored in the system, and according to the operation of a system operator, the data are displayed in a layered mode and screened in real time, and any point navigation is achieved; 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.
Drawings
FIG. 1 is a functional block diagram of the system of the present invention.
FIG. 2 is a schematic flow chart of the method of the present invention.
Detailed Description
A functional block diagram of the system of the present invention is shown in fig. 1: the invention provides 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 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 specific implementation method comprises the following steps:
the user management module manages the login of the user through the 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.
The data display module acquires the coordinate positions of four vertexes on a screen displayed by the current system and transmits the acquired coordinate positions to the data processing module; meanwhile, receiving the processing data uploaded by the data processing module and displaying the processing data on a map layer; the returned data are coordinate points in the form of Polygon, the terminal where the system is located draws the data through a dot-drawing connecting line and processes the data in a color image layer, in addition, hollow data exist in the Polygon data, the hollow data represent non-ecological red line protection areas in polygons, the terminal where the system is located further draws the dots to remove the image layer, finally, the screen is realized, a request is triggered when the screen moves, the data processing end processes the data and returns, and the terminal where the system is located draws the ecological red line protection areas on a map and displays the ecological red line protection areas.
The map function module is realized by adopting 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: and 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.
And a data processing module: standard longitude and latitude coordinate information of the protection red line is obtained, and the longitude and latitude information is converted into Mars coordinate information, so that data precision is ensured; 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; and finally, analyzing and selecting a final data level according to the received data request, screening, matching and cutting the data of the data level, and uploading the final data to a corresponding module.
In addition, in order to store the data of the guard red line in the form of blocks; 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.
A schematic process flow diagram of the method of the present invention is shown in fig. 2: the invention provides a power grid project site selection and line selection method adopting the ecological red line automatic positioning and displaying system, 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 using the ecological red line automatic positioning display system by power grid personnel;
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.
The system only needs to input corresponding vector data, is also suitable for positioning and identifying environment sensitive areas such as natural protection areas, scenic spots, world cultural heritage, natural heritage, drinking water source protection areas, ocean special protection areas and the like, can be popularized and applied to site selection and line selection work of other national important construction projects such as energy sources, traffic and the like, can avoid subversion factors caused by related important environment sensitive targets in the early stage of the project, and provides strong technical support for site selection and line selection work of the project.
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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