CN113379912A - Map service publishing method, map service publishing device, terminal equipment and readable storage medium - Google Patents
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Abstract
The application discloses a map service publishing method, a map service publishing device, terminal equipment and a readable storage medium. According to the map service publishing method and device, the basic geographic information data of multiple topics can be subjected to standardized processing correspondingly according to the composition types of the basic geographic information data, so that the basic geographic information data of various topics (such as various fields of China, tourism, ecology, traffic, mining areas and the like) can be conveniently and rapidly published with the map service, redundant matching processing is reduced, and the publishing efficiency of the map service is improved; in addition, the map style data which is subjected to normalization processing in advance is associated with the basic geographic information data which is subjected to corresponding normalization processing, so that the published map service content is richer, and the visual experience is better.
Description
Technical Field
The invention relates to the technical field of intelligent maps, in particular to a map service publishing method, a map service publishing device, terminal equipment and a readable storage medium.
Background
In the prior art, when an intelligent map is constructed, a map service is generally selected in a targeted manner for releasing a special subject of a certain industry. For example, the theme of the territorial space planning is selected, relevant data of the territorial space planning is selected, and the published map service is closely related to the territorial space planning. Meanwhile, when the map service is released, the map service is often in various formats and various coordinate systems, so that the release flow of the map service is not clear enough, redundant matching processing is needed in the later stage, and redundant work and trouble are brought to the service access of the front end.
Disclosure of Invention
In view of the above problems, the present application proposes a map service publishing method, apparatus, terminal device and readable storage medium.
The application provides a map service publishing method, which comprises the following steps:
acquiring basic geographic information data, wherein the basic geographic information data consists of vector data or a digital elevation model or a digital orthophoto map;
carrying out corresponding standardization processing on the basic geographic information data according to the composition type of the basic geographic information data;
acquiring map style data which is subjected to standardization processing in advance;
and releasing the map service according to the map style data subjected to the normalization processing in advance and the basic geographic information data subjected to the corresponding normalization processing.
In the map service publishing method of the present application, if the basic geographic information data is composed of vector data, the corresponding normalization processing on the basic geographic information data includes:
converting basic geographic information data composed of vector data into a predetermined first common format;
and converting the geographic coordinates of the basic geographic information data converted into the first general format into a preset coordinate system.
In the map service publishing method of the present application, if the basic geographic information data is composed of a digital elevation model, the performing of the corresponding standardization process on the basic geographic information data includes:
converting the basic geographic information data composed of the digital elevation model into a predetermined second common format;
integrating a plurality of digital elevation models in the basic geographic information data converted into the second general format into one digital elevation model;
and converting the geographic coordinates of the integrated digital elevation model into a preset coordinate system.
In the map service publishing method of the present application, if the basic geographic information data is composed of a digital orthographic projection image, the performing of the corresponding standardization process on the basic geographic information data includes:
converting the basic geographic information data consisting of the digital orthophoto map into a predetermined second common format;
integrating a plurality of digital orthophotographs in the basic geographic information data converted into the second general format into one digital orthophotograph;
and converting the geographic coordinates of the integrated digital orthophoto map into a preset coordinate system.
The map service publishing method further comprises the step of carrying out standardized processing on the map style data in advance, wherein the standardized processing comprises the following steps:
acquiring map style data composed of vector data;
if the map style data is stored in the mxd format or qgs format document, converting the mxd format document or the qgs format document in which the map style data is stored into a sld format;
determining whether a predetermined modification pattern exists in the map pattern data in the sld format;
if the preset modification style exists, modifying the preset modification style to the standard style to obtain standard map style data;
and if the preset modification style does not exist, taking the map style data as the standard map style data.
According to the map service publishing method, the preset modification style comprises at least one of an external picture link, a text label and a special symbol.
The map service publishing method comprises at least one of a network map service and a slice map service.
The application also proposes a map service publishing device, the device comprising:
the geographic information acquisition module is used for acquiring basic geographic information data, and the basic geographic information data consists of vector data or a digital elevation model or a digital orthophoto map;
the standardization processing module is used for carrying out corresponding standardization processing on the basic geographic information data according to the composition type of the basic geographic information data;
the map style acquisition module is used for acquiring map style data subjected to standardization processing;
and the map service publishing module is used for publishing the map service according to the normalized map style data and the corresponding standardized basic geographic information data.
The application also provides a terminal device, which comprises a memory and a processor, wherein the memory stores a computer program, and the computer program executes the map service publishing method when running on the processor.
The present application also proposes a readable storage medium storing a computer program which, when run on a processor, executes the map service distribution method described herein.
According to the map service publishing method and device, the basic geographic information data of multiple topics can be subjected to standardized processing correspondingly according to the composition types of the basic geographic information data, so that the basic geographic information data of various topics (such as various fields of China, tourism, ecology, traffic, mining areas and the like) can be conveniently and rapidly published with the map service, redundant matching processing is reduced, and the publishing efficiency of the map service is improved; in addition, the map style data which is subjected to normalization processing in advance is associated with the basic geographic information data which is subjected to corresponding normalization processing, so that the published map service content is richer, and the visual experience is better.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention. Like components are numbered similarly in the various figures.
Fig. 1 is a flowchart illustrating a method for publishing a map service according to an embodiment of the present application;
fig. 2 is a schematic flowchart illustrating a method for processing vector data normalization according to an embodiment of the present application;
FIG. 3 is a flow chart illustrating a method for processing normalization of a digital elevation model according to an embodiment of the present application;
fig. 4 is a schematic flow chart illustrating a method for normalizing a digital orthophoto map according to an embodiment of the present disclosure;
fig. 5 is a flowchart illustrating a method for performing normalization processing on map style data according to an embodiment of the present application;
fig. 6 is a schematic diagram illustrating a map style of an unassociated map style data distribution proposed in an embodiment of the present application;
fig. 7 is a schematic diagram illustrating a map style flow associated with map style data distribution according to an embodiment of the present application;
fig. 8 shows a schematic structural diagram of a map service publishing device according to an embodiment of the present application.
Description of the main element symbols:
10-map service publishing means; 11-a geographic information acquisition module, 12-a standardized processing module; 13-a map style acquisition module; 14-map service publishing module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Hereinafter, the terms "including", "having", and their derivatives, which may be used in various embodiments of the present invention, are only intended to indicate specific features, numbers, steps, operations, elements, components, or combinations of the foregoing, and should not be construed as first excluding the existence of, or adding to, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
The Map Service includes a Web Map Service (WMS), a Tile Map Service (TMS), a Web Feature Service (WFS), a Web overlay Service (WCS), and a tile Map Web Service (WMTS).
The network map service makes a map using data having geospatial location information. Where a map is defined as a visual representation of geographic data. The corresponding map (including grid forms such as PNG, GIF and JPEG, or vector forms such as SVG and WEB CGM) can be returned according to the request of the user.
The network element service supports users to insert, update, delete, retrieve and discover services for geographic elements through HTTP in a distributed environment. The service returns GML (geographic Markup Language) data of element level according to HTTP client request, provides transaction operations such as addition, modification and deletion of elements, and is further deep for Web map service.
The network overlay service is oriented to spatial image data, and it exchanges geospatial data including geographic positions as "overlay" on the network, such as grid data of satellite images, digital elevation data, and the like.
The slice map service defines operations that allow a user to access a slice map.
The slice map web service enhances scalability by providing static data (base maps) whose range boxes and scales are defined within individual tiles.
The map service publishing method disclosed by the application can be used for publishing network map service and slice map service. Acquiring basic geographic information data consisting of vector data or a digital elevation model or a digital orthophoto map; carrying out corresponding standardization processing on the basic geographic information data according to the composition type of the basic geographic information data; acquiring map style data which is subjected to standardization processing in advance; and releasing the map service according to the map style data subjected to the normalization processing in advance and the basic geographic information data subjected to the corresponding normalization processing. According to the map service publishing method and device, the basic geographic information data of multiple topics can be subjected to standardized processing correspondingly according to the composition types of the basic geographic information data, so that the basic geographic information data of various topics (such as various fields of China, tourism, ecology, traffic, mining areas and the like) can be conveniently and rapidly published with the map service, redundant matching processing is reduced, and the publishing efficiency of the map service is improved; in addition, the map style data which is subjected to normalization processing in advance is associated with the basic geographic information data which is subjected to corresponding normalization processing, so that the published map service content is richer, and the visual experience is better.
Example 1
An embodiment of the present application, as shown in fig. 1, provides a method for publishing a map service, including the following steps:
s100: and acquiring basic geographic information data.
The basic geographic information data is composed of vector data or a digital elevation model or a digital orthophoto map.
It will be appreciated that the digital elevation model is a collection of numbers that express the topography of the terrain in elevation. The method can be used for manufacturing perspective views and section maps, performing engineering earthwork calculation and surface coverage area statistics, and analyzing landform morphology, visibility condition and flood flooding areas related to elevation. The digital orthophoto map utilizes aerial photos and remote sensing images, is corrected by picture elements, cuts generated image data according to the range of the map, has rich and visual information and good interpretability and scalability, and can directly extract natural geography and social and economic information from the image data. The vector data can be a digital line drawing, comprises spatial information and attribute information, and can be used for various aspects such as construction planning, resource management, investment environment analysis and the like and as a spatial positioning basis of professional information systems such as population, resources, environment, traffic, public security and the like.
S200: and carrying out corresponding standardization processing on the basic geographic information data according to the composition type of the basic geographic information data.
The basic geographic information data comprises three types, and if the basic geographic information data consists of vector data, the basic geographic information data is vector data; if the basic geographic information data consists of the digital elevation model, the composition type of the basic geographic information data is the digital elevation model; if the basic geographic information data is composed of the digital orthophoto map, the composition type of the basic geographic information data is the digital orthophoto map. Different normalization processes can be performed for different constituent types of the underlying geographic information data. The map service publishing method can be suitable for various types of basic geographic information data, and the flexibility and universality of the map service publishing method are improved.
S300: and acquiring map style data subjected to normalization processing in advance.
S400: and releasing the map service according to the map style data subjected to the normalization processing in advance and the basic geographic information data subjected to the corresponding normalization processing.
And associating the map style data subjected to the normalization processing in advance with the basic geographic information data subjected to the corresponding normalization processing, so that the published map service content is richer and the visual experience is better.
Further, the map service includes at least one of a web map service and a slice map service.
According to the map service publishing method and device, the basic geographic information data of multiple topics can be subjected to standardized processing correspondingly according to the composition types of the basic geographic information data, so that the basic geographic information data of various topics (such as various fields of China, tourism, ecology, traffic, mining areas and the like) can be conveniently and rapidly published with the map service, redundant matching processing is reduced, and the publishing efficiency of the map service is improved; in addition, the map style data which is subjected to normalization processing in advance is associated with the basic geographic information data which is subjected to corresponding normalization processing, so that the published map service content is richer, and the visual experience is better.
Example 2
Exemplarily, an embodiment of the present application is shown in fig. 2, and a method for normalizing vector data is provided, which includes the following steps:
s210: basic geographic information data composed of vector data is converted into a predetermined first common format.
The first common format may be a shp format or a geo json format. Basic geographic information data composed of vector data are converted into an shp format or a geo json format, so that subsequent processing is facilitated, and convenience in processing the vector data is enhanced.
S220: and converting the geographic coordinates of the basic geographic information data converted into the first general format into a preset coordinate system.
The predetermined coordinate system may be the EPSG:4326 coordinate system. After the geographic coordinates of the basic geographic information data converted into the shp format or the geo json format are converted into the EPSG:4326 coordinate system, the geographic coordinates can be uniformly stored in a Postgis spatial database so as to be directly called from the Postgis spatial database when the map is published.
Exemplarily, one embodiment of the present application is as shown in fig. 3, which proposes a digital elevation model normalization processing method including the following steps:
s230: the basic geographic information data composed of the digital elevation model is converted into a predetermined second common format.
The second general format can be a tiff format, and basic geographic information data consisting of the digital elevation model is converted into the tiff format, so that subsequent processing is facilitated, and convenience in vector data processing is enhanced.
S240: and integrating a plurality of digital elevation models in the basic geographic information data converted into the second general format into one digital elevation model.
S250: and converting the geographic coordinates of the integrated digital elevation model into a preset coordinate system.
The predetermined coordinate system may be the EPSG:4326 coordinate system. After the geographic coordinates of the basic geographic information data converted into the tiff format are converted into an EPSG:4326 coordinate system, the geographic coordinates can be uniformly stored in a file system so as to be directly called from the file system when a map is issued.
Exemplarily, an embodiment of the present application is shown in fig. 4, which provides a method for normalizing a digital orthophoto map, including the following steps:
s260: the basic geographic information data composed of the digital orthophotomap is converted into a predetermined second common format.
S270: and integrating a plurality of digital orthophotographs in the basic geographic information data converted into the second general format into one digital orthophotograph.
S280: and converting the geographic coordinates of the integrated digital orthophoto map into a preset coordinate system.
The predetermined coordinate system may be the EPSG:4326 coordinate system. After the geographic coordinates of the digital orthophoto map converted into the tiff format are converted into an EPSG:4326 coordinate system, the geographic coordinates can be uniformly stored in a file system so as to be directly called from the file system when the map is published.
The embodiment can realize the standardized processing of the basic geographic information data of various topics according to the corresponding standardized processing of the basic geographic information data according to the composition type of the basic geographic information data, so that the map service can be rapidly published by the basic geographic information data of various topics (for example, a plurality of fields such as China, tourism, ecology, traffic and mining areas), redundant matching processing is reduced, and the publishing efficiency of the map service is improved.
Example 3
One embodiment of the present application is shown in fig. 5, and a method for performing normalization processing on map style data includes the following steps:
s10: map style data composed of vector data is acquired.
S20: it is judged that the map style data is saved in the mxd format or qgs format document.
And if the map style data is stored in the mxd format or qgs format document, executing the steps S30 to S60. If the map style data is stored in the json format document, the normalized processing is not required.
S30: converting the mxd-format document or the qgs-format document, which stores the map style data, into a sld format.
S40: it is determined whether a predetermined modification pattern exists in the map pattern data in the sld format.
The predetermined modification pattern includes at least one of an external picture link, a text label, and a special symbol.
If the predetermined modification pattern exists, step S50 is executed. If the predetermined modification pattern does not exist, step S60 is executed.
S50: and modifying the predetermined modification style to a normative style to obtain normative map style data.
S60: the map style data is taken as the normative map style data.
The map style data is normalized in advance, so that a data service platform (for example, a geoserver platform) for publishing the map service can visually express the map in a clearer, richer and more attractive mode when publishing the map service. The problems that the map service map published by the existing platform is single in style and poor in attractiveness are solved.
Furthermore, the map style published by the unassociated map style data is shown in fig. 6, all road types are represented by solid lines with the same thickness, the style is single, the map style published by the associated map style data is shown in fig. 7, the map style published by the associated map style data is richer, the roads of different types correspond to the solid lines or the dotted lines with different thicknesses, actually, the roads of different types correspond to different colors, the map style published by the associated map style data is more attractive, the roads of different types are clearly displayed, and the user experience is improved.
Example 4
In an embodiment of the present application, as shown in fig. 8, a map service issuing apparatus 10 includes: the map service system comprises a geographic information acquisition module 11, a standardization processing module 12, a map style acquisition module 13 and a map service release module 14.
The geographic information acquisition module 11 is configured to acquire basic geographic information data, where the basic geographic information data is composed of vector data, a digital elevation model, or a digital orthophoto map; the standardization processing module 12 is configured to perform corresponding standardization processing on the basic geographic information data according to the composition type of the basic geographic information data; a map style acquisition module 13, configured to acquire normalized map style data; and the map service publishing module 14 is configured to publish a map service according to the normalized map style data and the corresponding normalized basic geographic information data.
The map service distribution device 10 disclosed in this embodiment is configured to execute the map service distribution method described in the foregoing embodiment through the cooperative use of the geographic information obtaining module 11, the standardization processing module 12, the map style obtaining module 13, and the map service distribution module 14, and the implementation and beneficial effects related to the foregoing embodiment are also applicable in this embodiment, and are not described herein again.
It is understood that the present application also relates to a terminal device comprising a memory and a processor, said memory storing a computer program which, when run on said processor, performs the map service distribution method described herein.
It is to be understood that the present application also relates to a readable storage medium storing a computer program which, when run on a processor, performs the map service publishing method described herein.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method can be implemented in other ways. The apparatus embodiments described above are merely illustrative and, for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, each functional module or unit in each embodiment of the present invention may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a readable storage medium. Based on such understanding, the technical solution of the present invention or a part of the technical solution that contributes to the prior art in essence can be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a smart phone, a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned readable storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (10)
1. A method for publishing a map service, the method comprising:
acquiring basic geographic information data, wherein the basic geographic information data consists of vector data or a digital elevation model or a digital orthophoto map;
carrying out corresponding standardization processing on the basic geographic information data according to the composition type of the basic geographic information data;
acquiring map style data which is subjected to standardization processing in advance;
and releasing the map service according to the map style data subjected to the normalization processing in advance and the basic geographic information data subjected to the corresponding normalization processing.
2. The map service distribution method according to claim 1, wherein if the basic geographic information data is composed of vector data, the performing of the corresponding normalization processing on the basic geographic information data includes:
converting basic geographic information data composed of vector data into a predetermined first common format;
and converting the geographic coordinates of the basic geographic information data converted into the first general format into a preset coordinate system.
3. The map service distribution method according to claim 1, wherein if the basic geographic information data is composed of a digital elevation model, the correspondingly normalizing the basic geographic information data comprises:
converting the basic geographic information data composed of the digital elevation model into a predetermined second common format;
integrating a plurality of digital elevation models in the basic geographic information data converted into the second general format into one digital elevation model;
and converting the geographic coordinates of the integrated digital elevation model into a preset coordinate system.
4. The map service distribution method according to claim 1, wherein if the basic geographic information data is composed of a digital orthophoto map, the corresponding normalizing process performed on the basic geographic information data includes:
converting the basic geographic information data consisting of the digital orthophoto map into a predetermined second common format;
integrating a plurality of digital orthophotographs in the basic geographic information data converted into the second general format into one digital orthophotograph;
and converting the geographic coordinates of the integrated digital orthophoto map into a preset coordinate system.
5. The map service distribution method according to claim 1, further comprising normalizing the map style data in advance, including:
acquiring map style data composed of vector data;
if the map style data is stored in the mxd format or qgs format document, converting the mxd format document or the qgs format document in which the map style data is stored into a sld format;
determining whether a predetermined modification pattern exists in the map pattern data in the sld format;
if the preset modification style exists, modifying the preset modification style to the standard style to obtain standard map style data;
and if the preset modification style does not exist, taking the map style data as the standard map style data.
6. The map service publishing method of claim 5, wherein the predetermined modification pattern comprises at least one of an external picture link, a text label, and a special symbol.
7. The map service distribution method according to any one of claims 1 to 6, wherein the map service includes at least one of a web map service and a slice map service.
8. A map service distribution apparatus, characterized in that the apparatus comprises:
the geographic information acquisition module is used for acquiring basic geographic information data, and the basic geographic information data consists of vector data or a digital elevation model or a digital orthophoto map;
the standardization processing module is used for carrying out corresponding standardization processing on the basic geographic information data according to the composition type of the basic geographic information data;
the map style acquisition module is used for acquiring map style data subjected to standardization processing;
and the map service publishing module is used for publishing the map service according to the normalized map style data and the corresponding standardized basic geographic information data.
9. A terminal device, characterized in that it comprises a memory and a processor, the memory storing a computer program which, when run on the processor, executes the map service distribution method of any one of claims 1 to 7.
10. A readable storage medium, characterized in that it stores a computer program which, when run on a processor, performs the map service distribution method of any one of claims 1 to 7.
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| 曹植: "基于服务的标准化制图体系研究", 《中国优秀硕士学位论文全文数据库 (基础科学辑)》, no. 10, pages 008 - 33 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114018243A (en) * | 2021-11-05 | 2022-02-08 | 苍穹数码技术股份有限公司 | Map data processing method, device, equipment and storage medium |
| CN115658838A (en) * | 2022-11-18 | 2023-01-31 | 山东省地图院 | Map set data generation method and device, electronic equipment and storage medium |
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