CN117828728A - Mining multi-coordinate system GIS layer management and thematic map publishing method and device - Google Patents
Mining multi-coordinate system GIS layer management and thematic map publishing method and device Download PDFInfo
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Abstract
The application provides a mining multi-coordinate system GIS layer management and thematic map publishing method and device, the method realizes the fusion of geographic data of various coordinate systems, simplifies the data processing flow and improves the data processing efficiency; meanwhile, a standardized data format and a unified coordinate system are provided for developers, so that the developers can conveniently develop routine software; in addition, through the thematic map grouping and sharing the map layer service platform, the reusability and the sharing property of the data are improved, and the efficiency and the safety of mine management are further improved; in addition, the device has the characteristics of light weight, is easy to use and maintain, and reduces the workload brought to mine personnel by long-term operation; meanwhile, the invention has wide application range, is not only suitable for the field of coal mines, but also can be popularized to other fields needing multi-coordinate system processing.
Description
Technical Field
The application relates to the technical field of GIS data processing, in particular to a mining multi-coordinate system GIS layer management and thematic map publishing method, device, equipment and storage medium.
Background
With the development of informatization, digitalization and intellectualization of coal mines, the traditional mine map cannot meet the requirements of modern mine management. In coal mine management, mine charts are important basic data, but traditional paper mine charts or CAD mine charts cannot be effectively associated with automation data, monitoring data, business data and the like, so that a plurality of inconveniences are brought to mine management and production.
In order to solve the problem, the association relation between the traditional mine map and various production data is required to be formed from the aspects of service convenience and technology. This is not only to meet the needs of intelligent software, but also to improve the efficiency and security of mine management.
At present, some GIS map service release-based modes are used as webGIS development bases in the market, and all professionals cooperatively conduct drawing to update data. However, the method has heavy workload and high updating difficulty, and can bring huge workload to mine personnel during long-term operation.
At present, most commercial software performs graphic processing based on an original CAD ore map, then generates a GIS map layer, uploads and updates based on map service, organizes a thematic map, and finally releases the thematic map as map service, thus the workload is very complicated.
Disclosure of Invention
The present application aims to solve, at least to some extent, one of the technical problems in the related art.
Therefore, the first purpose of the application is to provide a mining multi-coordinate system GIS map layer management and thematic map publishing method, which aims to realize fusion of geographic data of various coordinate systems and is convenient for developers to develop routine software.
The second purpose of this application is to propose a mining multi-coordinate system GIS map layer management and thematic map issuing device.
A third object of the present application is to propose an electronic device.
A fourth object of the present application is to propose a computer readable storage medium.
In order to achieve the above objective, an embodiment of a first aspect of the present application provides a mining multi-coordinate system GIS layer management and thematic map publishing method, including:
acquiring a coal mine multi-ore image file, and splitting an image layer of the coal mine multi-ore image file to obtain a standardized multi-ore image data file;
carrying out layer coordinate conversion on the standardized multi-ore map data file to realize superposition and fusion with a sky map to form a unified coordinate system;
setting a segmentation field, and carrying out layer segmentation on a standardized multi-ore map data file of a unified coordinate system to form a shared layer library;
selecting layer data corresponding to the requirements from a shared layer library according to the requirements of the thematic map, and performing superposition, integration and visualization processing on the selected layer data to generate a corresponding thematic map set;
the key elements are drawn and mounted for the thematic atlas to provide map interaction functions.
The method for splitting the layers of the multi-ore image file of the coal mine to obtain the standardized multi-ore image data file comprises the following steps:
identifying a file format of a coal mine multi-mine map file;
if the file format of the coal mine multi-ore image file is a GIS industry universal data standard format, reserving;
otherwise, converting the file format of the coal mine multi-mine map file into a GIS industry universal data standard format.
The method for converting the map layer coordinates of the standardized multi-ore map data file to realize superposition and fusion with the sky map to form a unified coordinate system comprises the following steps:
identifying a coordinate system format of a standardized multi-ore map data file;
if the coordinate system format of the standardized multi-ore drawing data file is the coordinate system format supported by the WebGIS frame, reserving;
otherwise, converting the coordinate system format of the standardized multi-ore map data file into a coordinate system format supported by the WebGIS framework.
Setting a division field, and performing layer division on a standardized multi-ore map data file of a unified coordinate system to form a shared layer library, wherein the method comprises the following steps:
setting a segmentation field of a layer segmentation attribute, and classifying and segmenting a standardized multi-ore map data file of a unified coordinate system;
dividing the image layers to form a plurality of independent files, wherein each independent file corresponds to a specific image layer;
all the specific layers are combined to form a shared layer library.
According to the requirements of the thematic map, map layer data corresponding to the requirements are selected from a shared map layer library, and the selected map layer data are subjected to superposition, integration and visualization processing to generate a corresponding thematic map set, wherein the method comprises the following steps:
according to the intelligent thematic service requirement of the coal mine, determining the display thematic information corresponding to the service requirement;
associating the set thematic map with a shared map layer library, and selecting map layer data related to thematic information from the shared map layer library;
and superposing, integrating and visualizing the selected layer data to generate a thematic atlas.
After the thematic map set is generated, the map layer data in the thematic map set is symbolized, marked and color rendered, so that the visual effect and the information display capability of the thematic map are improved; and integrating the generated thematic map with a platform to realize dynamic loading and interaction functions.
Wherein, draw and mount key element for thematic atlas to provide the map interaction function, include:
plotting geographic elements which need to be distinguished in a thematic map set;
classifying and selecting monitoring points in the thematic map set, and plotting point positions of the monitoring points with different classification results;
and carrying out longitude and latitude marking and coordinate system conversion according to a conventional longitude and latitude mode.
To achieve the above objective, an embodiment of a second aspect of the present application provides a mining multi-coordinate system GIS layer management and thematic map publishing device, including:
the file conversion module is used for acquiring a coal mine multi-ore image file, and splitting the image layer of the coal mine multi-ore image file to obtain a standardized multi-ore image data file;
the coordinate system conversion module is used for carrying out layer coordinate conversion on the standardized multi-ore map data file so as to realize superposition and fusion with the sky map to form a unified coordinate system;
the layer segmentation module is used for setting segmentation fields, and carrying out layer segmentation on the standardized multi-ore map data files of the unified coordinate system to form a shared layer library;
the thematic map generating module is used for selecting map layer data corresponding to the requirement from the shared map layer library according to the requirement of the thematic map, and performing superposition, integration and visualization processing on the selected map layer data to generate a corresponding thematic map set;
and the optimizing module is used for drawing and mounting key elements for the thematic atlas so as to provide a map interaction function.
To achieve the above object, an embodiment of a third aspect of the present application provides an electronic device, including: a processor, a memory communicatively coupled to the processor;
the memory stores computer-executable instructions;
the processor executes computer-executable instructions stored in the memory to implement the method as in the previous claims.
To achieve the above object, a fourth aspect of the present application provides a computer-readable storage medium, in which computer-executable instructions are stored, where the computer-executable instructions are executed by a processor to implement a method as in the foregoing technical solution.
Compared with the prior art, the mining multi-coordinate system GIS map layer management and thematic map publishing method, device, electronic equipment and storage medium provided by the invention have the advantages that the fusion of geographic data of various coordinate systems is realized, the data processing flow is simplified, and the data processing efficiency is improved; meanwhile, a standardized data format and a unified coordinate system are provided for developers, so that the developers can conveniently develop routine software; in addition, through the thematic map grouping and sharing the map layer service platform, the reusability and the sharing property of the data are improved, and the efficiency and the safety of mine management are further improved; in addition, the device has the characteristics of light weight, is easy to use and maintain, and reduces the workload brought to mine personnel by long-term operation; meanwhile, the invention has wide application range, is not only suitable for the field of coal mines, but also can be popularized to other fields needing multi-coordinate system processing.
Additional aspects and advantages of the application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the application.
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The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic flow chart of a mining multi-coordinate system GIS layer management and thematic map publishing method provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a mining multi-coordinate system GIS layer management and thematic map publishing device according to an embodiment of the present application.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended for the purpose of explaining the present application and are not to be construed as limiting the present application.
The following describes a mining multi-coordinate system GIS layer management and thematic map publishing method and device according to the embodiment of the application with reference to the accompanying drawings.
Fig. 1 is a schematic flow chart of a mining multi-coordinate system GIS layer management and thematic map publishing method provided in an embodiment of the present application. The method comprises the following steps:
step S101, acquiring a coal mine multi-ore map file, and splitting a layer of the coal mine multi-ore map file to obtain a standardized multi-ore map data file.
In the embodiment of the invention, the traditional DXF intermediate format coal mine multi-ore image file of CAD is converted into the general GEOJSON format in GIS industry, thereby facilitating the analysis and loading of WebGIS. The traditional DXF intermediate format of CAD is converted into the general GEOJSON format in GIS industry, which plays a vital role in the multi-coordinate GIS layer management and thematic map publishing method for coal mines.
In the prior art, most of file formats of coal mine multi-mine map files are DXF intermediate file formats of traditional CAD, and DXF is a default intermediate file format of AutoCAD and is widely applied to the field of CAD design. However, this format is not directly applicable to GIS analysis and presentation. In order to better integrate the mine map with the Geographic Information System (GIS), it is necessary to convert the DXF file format into a data format common to the GIS industry.
GEOJSON is a JSON-based data format that is specifically used for storing and transmitting geospatial data. It has become a standard format in the GIS field and is supported by numerous GIS software and platforms. Through converting the mine map in the DXF format into the GEOJSON format, the analysis and loading efficiency of the WebGIS on the mine map can be greatly improved, and a unified data base is provided for subsequent GIS analysis and visualization.
Specifically, the file format is converted by:
identifying a file format of a coal mine multi-mine map file;
if the file format of the coal mine multi-ore image file is a GIS industry universal data standard format, reserving;
otherwise, converting the file format of the coal mine multi-mine map file into a GIS industry universal data standard format.
In performing graphics format conversion, special conversion tools or software, such as open source libraries of GDAL, OGR, etc., may be employed. These tools are able to read and convert DXF files to GEOJSON format while retaining all the geographic information and attribute data contained in the mine map. Through the transformation of the graph format, the loading speed of the mine map in the WebGIS can be improved, and a more accurate and complete data source can be provided for subsequent data processing and analysis. The method is favorable for improving the efficiency and the safety of mine management, and provides powerful technical support for intelligent development of coal mines. The invention writes a conversion program from dxf file to GEOJSON.
And step S102, carrying out layer coordinate conversion on the standardized multi-ore map data file to realize superposition and fusion with the sky map to form a unified coordinate system.
In the multi-coordinate system GIS map layer management and thematic map release method for coal mines, coordinate conversion is a non-negligible link. The coal mine multi-mine map file typically uses a 54 coordinate system, an 80 coordinate system or a Gauss-Lug projection coordinate system of CGCS2000, which are different from EPSG 4326 and EPSG 3857 coordinate systems supported by the WebGIS frame.
The 54 and 80 coordinate systems are geographic coordinate systems adopted in early China, and the CGCS2000 is a novel Chinese geodetic coordinate system based on WGS 84. Gauss-Lugn projection is a method of projecting latitude and longitude information on an ellipsoid of the earth onto a plane.
Since these traditional coordinate systems are different from the coordinate systems supported by the WebGIS framework, direct loading may cause misalignment, distortion or incorrect display of the geographic information. Therefore, in order to realize unified loading and integration of the mine map and the WebGIS, coordinate transformation is required.
In an embodiment of the invention, the coordinate system conversion comprises the steps of:
identifying a coordinate system format of a standardized multi-ore map data file;
if the coordinate system format of the standardized multi-ore drawing data file is the coordinate system format supported by the WebGIS frame, reserving;
otherwise, converting the coordinate system format of the standardized multi-ore map data file into a coordinate system format supported by the WebGIS framework.
The purpose of the coordinate transformation is to transform the geographic coordinate points in the mine map from the original coordinate system to the coordinate system supported by the WebGIS so as to ensure the accuracy and consistency of the map. This requires the use of coordinate transformation algorithms and mathematical models, such as seven-parameter methods, boolean-sha models, etc., which are capable of accurately transforming points between different coordinate systems.
During the coordinate transformation, attention is also paid to the selection and matching of control points. The control points are points whose exact coordinates are known for calibrating and verifying the accuracy of the conversion. Selecting the appropriate control points and performing accurate matching is a key step in coordinate transformation.
Through coordinate conversion, the ore map can be ensured to be loaded and displayed in the WebGIS, and accurate data support is provided for subsequent GIS analysis and decision. The method is favorable for improving the efficiency and the safety of mine management, and provides important technical support for the intelligent development of the coal mine.
Step S103: setting a division field, and carrying out layer division on the standardized multi-ore map data file of the unified coordinate system to form a shared layer library.
Layer segmentation is an important step in achieving efficient data management and flexible applications. Conventional mine maps typically contain rich geographic information and various thematic content distributed over different layers. In order to better manage and apply these data, it is necessary to split the data of these different layers, form an independent GEOJSON format, and store it in a database.
The layer segmentation includes the following steps:
setting a segmentation field of a layer segmentation attribute, and classifying and segmenting a standardized multi-ore map data file of a unified coordinate system;
dividing the image layers to form a plurality of independent files, wherein each independent file corresponds to a specific image layer;
all the specific layers are combined to form a shared layer library.
When the Layer segmentation is performed, a key step is to take the Layer attribute of GEOJSON as a segmentation field. By this property, the data object can be easily classified and divided. Thus, a plurality of independent GEOJSON files can be formed, each corresponding to a particular layer.
By layer segmentation, a shared layer library can be formed. This library contains all important geographical information layers in the coal mine, such as geology, mining, ventilation, etc. The independent layers can be easily managed and called, and the query and analysis requirements of different business departments or management staff are met.
In order to verify the correctness and integrity of the layer segmentation, load verification is required. This means that the segmented GEOJSON files are loaded into the WebGIS platform, checking if they can be displayed and interacted correctly. If any problems or inconsistencies are found, adjustments and corrections can be made in time.
Through layer segmentation and establishment of a shared layer library, centralized management and flexible application of coal mine geographic information can be realized. The method is favorable for improving the efficiency and the safety of mine management, and provides important technical support for the intelligent development of the coal mine.
Step S104: and selecting layer data corresponding to the requirements from the shared layer library according to the requirements of the thematic map, and performing superposition, integration and visualization processing on the selected layer data to generate a corresponding thematic map set.
The assembly process comprises the following steps:
and determining the display thematic information corresponding to the business requirement according to the intelligent thematic business requirement of the coal mine.
Associating the set thematic map with a shared map layer library, and selecting map layer data related to thematic information from the shared map layer library;
and superposing, integrating and visualizing the selected layer data to generate a thematic atlas.
After the thematic map set is generated, the map layer data in the thematic map set is symbolized, marked and color rendered, so that the visual effect and the information display capability of the thematic map are improved; and integrating the generated thematic map with a platform to realize dynamic loading and interaction functions.
According to the intelligent thematic service of the coal mine, a plurality of thematic diagrams are required to be assembled for system call display, so that the set thematic diagrams are required to be associated with a shared analysis layer library.
The thematic map assembly is an important link in a multi-coordinate system GIS map layer management and thematic map publishing method for a coal mine, and aims to generate a customized thematic map for system call and display according to the requirements of intelligent thematic business of the coal mine.
In the process of coal mine production and management, the requirements of different departments and business fields on geographic information are different. For example, safety management may require attention to information on gas distribution, ventilation systems, etc., while production scheduling may be attention to mining progress, transportation routes, etc. To meet these various requirements, it is necessary to associate a specific thematic map with a shared layer library.
Firstly, according to the requirements of intelligent thematic service of coal mine, the thematic information to be displayed, such as gas concentration distribution, mining working face position and the like, is determined. Related layer data, which may be geological information, facility distribution, monitoring data, etc., is then selected from the shared layer library. And then, superposing, integrating and visualizing the selected layer data to generate a corresponding thematic map.
In the process of assembling the thematic map, operations such as symbolization, labeling, color rendering and the like can be performed on map layer data according to actual requirements, so that the visual effect and the information display capability of the thematic map are improved. And finally, integrating the generated thematic map with a WebGIS platform to realize dynamic loading and interaction functions.
Through thematic map assembly, customized geographic information support can be provided for intelligent development of coal mines, each department is helped to better understand and analyze conditions in the mines, and decision-making efficiency and mine safety are improved. Meanwhile, the thematic map can also be used as a knowledge base and an information sharing platform to promote collaboration and information exchange among departments.
The following table shows the thematic map classification and assembly relationships.
TABLE 1 thematic map classification and assembly relationship table
Step S105: the key elements are drawn and mounted for the thematic atlas to provide map interaction functions.
Specifically, the specific geographic elements needing to be emphasized and distinguished in the thematic map set are plotted, for example: coal face, heading face, refuge chamber and central substation. Meanwhile, in order to plot various monitoring points, the point location of each monitoring point needs to be plotted by classification and selection, so that geographic element support is provided for the subsequent graph display and inquiry, for example: hydrologic long viewing hole position, gas probe position, personnel positioning base station and substation, hydraulic support position, major equipment remarks and the like. The front end is marked according to the longitude and latitude modes of the conventional WebGIS, and is converted into a coordinate system which is the same as the original layer in the database according to the GEOJSON format.
And forming a plot for each element according to a format defined by GEOJSON, wherein the plot content comprises each monitoring point and the working face of the current mining. The data is stored in a database in a GEOJSON format, and is converted into a coordinate system format which is the same as the shared layer library.
In the WebGIS development process, the layers mounted on the thematic map are loaded according to longitude and latitude modes.
The thematic map application is the final link of the multi-coordinate system GIS map layer management and thematic map release method for the coal mine, and aims to integrate the thematic map into a WebGIS platform and provide rich map interaction functions for users.
When WebGIS development is performed, it is necessary to ensure that the thematic map can be smoothly loaded and displayed on the Web page. In order to achieve the object, a longitude and latitude coordinate system can be used as a reference of the map, and accuracy and consistency of the map are ensured.
First, a suitable WebGIS front-end framework needs to be selected, such as OpenLayers, leaflet, which supports loading of data in GEOJSON format and provides rich interaction functionality. Then, the layers on the thematic map are loaded onto the WebGIS platform using the APIs and tools provided by the front end framework.
During loading, care needs to be taken to transform and match the coordinate system. Since thematic maps may use different coordinate systems, coordinate transformations are required to accommodate the coordinate system of the WebGIS platform. This may be accomplished by a coordinate transformation algorithm or tool to ensure accuracy and consistency of the map.
Once the thematic map is successfully loaded into the WebGIS platform, rich map interaction functions can be provided for users. The user can view the map information under different scales through operations such as zooming, translation, rotation and the like. Meanwhile, operations such as layer switching, attribute inquiry, distance and area calculation and the like can be performed so as to meet different requirements of users.
Through thematic map application, an intuitive and easy-to-use map interface can be provided for users, so that the users can better understand and analyze the coal mine geographic information. The method is beneficial to improving the efficiency and the safety of mine management, and provides important technical support for the intelligent development of the coal mine. Meanwhile, the thematic map application can also promote information sharing and cooperation among departments, and the monitoring and management of coal mine production are enhanced.
In order to achieve the above embodiment, the present application further provides a quantitative analysis device for determining the hydraulic fracturing effect by using the fracturing curve area.
Fig. 2 is a schematic structural diagram of a mining multi-coordinate system GIS layer management and thematic map publishing device according to an embodiment of the present application.
As shown in fig. 2, the apparatus 300 includes:
the file conversion module 310 is configured to obtain a coal mine multi-mine map file, and split a layer of the coal mine multi-mine map file to obtain a standardized multi-mine map data file;
the coordinate system conversion module 320 is configured to perform layer coordinate conversion on the standardized multi-ore map data file, so as to realize superposition and fusion with the sky map to form a unified coordinate system;
the layer segmentation module 330 is configured to set a segmentation field, and perform layer segmentation on the standardized multi-mine map data file of the unified coordinate system to form a shared layer library;
the thematic map generating module 340 is configured to select, according to the demands of the thematic map, layer data corresponding to the demands from the shared layer library, and perform superposition, integration and visualization processing on the selected layer data to generate a corresponding thematic map set;
an optimization module 350, configured to draw and mount key elements for the thematic atlas to provide map interaction functionality.
It should be noted that the foregoing explanation of the embodiments of the mining multi-coordinate system GIS layer management and thematic map publishing method is also applicable to the mining multi-coordinate system GIS layer management and thematic map publishing device of this embodiment, and will not be repeated here.
In order to achieve the above embodiments, the present application further proposes an electronic device including: a processor, and a memory communicatively coupled to the processor; the memory stores computer-executable instructions; the processor executes the computer-executable instructions stored in the memory to implement the methods provided by the previous embodiments.
In order to implement the above-mentioned embodiments, the present application also proposes a computer-readable storage medium in which computer-executable instructions are stored, which when executed by a processor are adapted to implement the methods provided by the foregoing embodiments.
In order to implement the above embodiments, the present application also proposes a computer program product comprising a computer program which, when executed by a processor, implements the method provided by the above embodiments.
The processes of collecting, storing, using, processing, transmitting, providing, disclosing and the like of the personal information of the user related in the application all accord with the regulations of related laws and regulations, and do not violate the popular public order.
It should be noted that personal information from users should be collected for legitimate and reasonable uses and not shared or sold outside of these legitimate uses. In addition, such collection/sharing should be performed after receiving user informed consent, including but not limited to informing the user to read user agreements/user notifications and signing agreements/authorizations including authorization-related user information before the user uses the functionality. In addition, any necessary steps are taken to safeguard and ensure access to such personal information data and to ensure that other persons having access to the personal information data adhere to their privacy policies and procedures.
The present application contemplates embodiments that may provide a user with selective prevention of use or access to personal information data. That is, the present disclosure contemplates that hardware and/or software may be provided to prevent or block access to such personal information data. Once personal information data is no longer needed, risk can be minimized by limiting data collection and deleting data. In addition, personal identification is removed from such personal information, as applicable, to protect the privacy of the user.
In the foregoing descriptions of embodiments, descriptions of the terms "one embodiment," "some embodiments," "example," "particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and additional implementations are included within the scope of the preferred embodiment of the present application in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present application.
Logic and/or steps represented in the flowcharts or otherwise described herein, e.g., a ordered listing of executable instructions for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). In addition, the computer readable medium may even be paper or other suitable medium on which the program is printed, as the program may be electronically captured, via, for instance, optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner, if necessary, and then stored in a computer memory.
It is to be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above-described embodiments, the various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. As with the other embodiments, if implemented in hardware, may be implemented using any one or combination of the following techniques, as is well known in the art: discrete logic circuits having logic gates for implementing logic functions on data signals, application specific integrated circuits having suitable combinational logic gates, programmable Gate Arrays (PGAs), field Programmable Gate Arrays (FPGAs), and the like.
Those of ordinary skill in the art will appreciate that all or a portion of the steps carried out in the method of the above-described embodiments may be implemented by a program to instruct related hardware, where the program may be stored in a computer readable storage medium, and where the program, when executed, includes one or a combination of the steps of the method embodiments.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing module, or each unit may exist alone physically, or two or more units may be integrated in one module. The integrated modules may be implemented in hardware or in software functional modules. The integrated modules may also be stored in a computer readable storage medium if implemented in the form of software functional modules and sold or used as a stand-alone product.
The above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, or the like. Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (10)
1. A mining multi-coordinate system GIS map layer management and thematic map release method is characterized by comprising the following steps:
acquiring a coal mine multi-ore image file, and carrying out image layer splitting on the coal mine multi-ore image file to obtain a standardized multi-ore image data file;
performing layer coordinate conversion on the standardized multi-ore map data file to realize superposition and fusion with a sky map to form a unified coordinate system;
setting a segmentation field, and carrying out layer segmentation on the standardized multi-ore map data file of the unified coordinate system to form a shared layer library;
selecting layer data corresponding to requirements from the shared layer library according to the requirements of the thematic map, and performing superposition, integration and visualization processing on the selected layer data to generate a corresponding thematic map set;
and drawing and mounting key elements for the thematic atlas to provide a map interaction function.
2. The mining multi-coordinate system GIS layer management and thematic map publishing method of claim 1, wherein the splitting of the layers of the coal mine multi-mine map file to obtain the standardized multi-mine map data file comprises:
identifying a file format of the coal mine multi-mine map file;
if the file format of the coal mine multi-mine map file is a GIS industry universal data standard format, reserving;
otherwise, converting the file format of the coal mine multi-mine map file into a GIS industry universal data standard format.
3. The mining multi-coordinate system GIS map layer management and thematic map release method according to claim 1, wherein the map layer coordinate conversion is performed on the standardized multi-mine map data file to realize overlapping and fusion with a sky map to form a unified coordinate system, and the method comprises the following steps:
identifying a coordinate system format of the standardized multi-ore map data file;
if the coordinate system format of the standardized multi-ore drawing data file is a coordinate system format supported by a WebGIS frame, reserving;
and otherwise, converting the coordinate system format of the standardized multi-ore map data file into a coordinate system format supported by a WebGIS frame.
4. The mining multi-coordinate system GIS layer management and thematic map distribution method according to claim 2, wherein setting a division field, performing layer division on the standardized multi-mineral map data file of a unified coordinate system to form a shared layer library, includes:
setting a segmentation field of a layer segmentation attribute, and classifying and segmenting the standardized multi-ore map data file of a unified coordinate system;
dividing the image layers to form a plurality of independent files, wherein each independent file corresponds to a specific image layer;
and combining all the specific layers to form the shared layer library.
5. The mining multi-coordinate system GIS layer management and thematic map distribution method according to claim 1, wherein, according to the thematic map requirement, layer data corresponding to the requirement is selected from the shared layer library, and the selected layer data is subjected to superposition, integration and visualization processing to generate a corresponding thematic map set, including:
according to the intelligent thematic service requirement of the coal mine, determining the display thematic information corresponding to the service requirement;
associating the set thematic map with the shared map layer library, and selecting map layer data related to the thematic information from the shared map layer library;
and superposing, integrating and visualizing the selected layer data to generate the thematic atlas.
6. The mining multi-coordinate system GIS map layer management and thematic map release method according to claim 5, wherein after the thematic map set is generated, map layer data in the thematic map set is symbolized, marked and color rendered so as to improve visual effect and information display capability of the thematic map; and integrating the generated thematic map with a platform to realize dynamic loading and interaction functions.
7. The mining multi-coordinate system GIS layer management and thematic map distribution method of claim 1, wherein the drawing and mounting of key elements for the thematic map set to provide map interaction functions comprises:
plotting the geographical elements which need to be distinguished in the thematic map set;
classifying and selecting the monitoring points in the thematic map set, and plotting the point positions of the monitoring points with different classification results;
and carrying out longitude and latitude marking and coordinate system conversion according to a conventional longitude and latitude mode.
8. The utility model provides a mining multi-coordinate system GIS map layer management and thematic map issuing device which characterized in that includes:
the file conversion module is used for acquiring a coal mine multi-ore image file, and splitting the image layer of the coal mine multi-ore image file to obtain a standardized multi-ore image data file;
the coordinate system conversion module is used for carrying out layer coordinate conversion on the standardized multi-ore map data file so as to realize superposition and fusion with a sky map to form a unified coordinate system;
the layer segmentation module is used for setting segmentation fields, and carrying out layer segmentation on the standardized multi-ore image data files of the unified coordinate system to form a shared layer library;
the thematic map generating module is used for selecting map layer data corresponding to the requirement from the shared map layer library according to the requirement of the thematic map, and performing superposition, integration and visualization processing on the selected map layer data to generate a corresponding thematic map set;
and the optimizing module is used for drawing and mounting key elements for the thematic atlas so as to provide a map interaction function.
9. An electronic device, comprising: a processor, and a memory communicatively coupled to the processor;
the memory stores computer-executable instructions;
the processor executes computer-executable instructions stored in the memory to implement the method of any one of claims 1-7.
10. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to carry out the method of any one of claims 1-7.
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