CN111459934A - Multi-source map data slicing system and method - Google Patents
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Abstract
The invention discloses a multisource map data slicing system and a multisource map data slicing method, wherein the system comprises the following steps: the commercial soft armor private configuration data selection module comprises a file selection module and a map reading service module; the open source map data resource selection module is used for selecting map data in an open source format as an input data source; the cutting parameter setting module is used for setting cutting parameters; the cutting range setting module is used for setting a cutting range; the traversal data source folder module comprises a traversal data module and an index building module; the image cutting task execution module comprises a calculation range module and a slicing generation module. By the system and the method, the generation of the map tiles in the standard format of the open geographic space information alliance by the commercial private data is realized; the problem that the commercial private configuration data cannot be used in an open source map framework is solved; the generation of loose map tile data and compact map tile data is realized; the problems of long time consumption and large storage space of single loose data cutting are solved; multi-thread graph cutting is realized.
Description
Technical Field
The invention relates to the technical field of map data calling, in particular to a multi-source map data slicing system and method.
Background
With the development of geographic information technology, geographic information data of various industries are widely popularized and applied. The traditional paper map can not meet the existing application scene, and the electronic map develops rapidly in recent years. Compared with the traditional paper map, the electronic map has the advantages that the electronic map supports the rapid zooming of any scale, is as small as the level of a world map, has centimeter-level definition and can be rapidly presented in the electronic map. The advantages of electronic maps are accompanied by disadvantages in that a longer cutting time is required for a larger scale, and different standards exist between different formats of map data.
Currently, electronic map data is mainly classified into two categories, namely a private configuration data format of commercialized software and an Open Geospatial information alliance (Open Geospatial Consortium), standard. Including the commonly used WMS, WFS, WCS, WMTS, and the like. The commercial private configuration data format only supports calling in the form of commercial software or services, and if a system or a product is developed based on an open-source framework, a slice generated by commercial data cannot be called, so that the application requirements of the current open-source market cannot be met.
Disclosure of Invention
In view of the above technical problems in the related art, the present invention provides a multi-source map data slicing system and method, which can overcome the above disadvantages in the prior art.
In order to achieve the technical purpose, the technical scheme of the invention is realized as follows:
a multi-source map data slicing system, the system comprising:
the system comprises a commercial soft-nail private configuration data selection module, a map data acquisition module and a data source management module, wherein the commercial soft-nail private configuration data selection module is used for selecting a commercial private configuration mxd file where service or map data issued under a commercial software service is located and reading all map services under a selected data source;
the commercial soft armor private configuration data selection module comprises a file selection module and a map reading service module;
the open source map data resource selection module is used for selecting map data in an open source format as an input data source;
the device comprises a cutting parameter setting module, a cutting parameter setting module and a control module, wherein the cutting parameter setting module is used for setting cutting parameters, and the parameters comprise a cutting generation type, a cutting maximum level, a cutting minimum level, a cutting layer name, a cutting pixel size, compactness or looseness of a cutting, thread number, an output picture type, a zero-level splicing range and a scale;
the device comprises a cutting chart range setting module, a filtering range setting module and a slice range setting module, wherein the cutting chart range setting module is used for setting a slice range, and the range comprises four to four zero-level slices and four to four filtering ranges, and the four to four zero-level slices and the four to four filtering ranges are xMin, yMin, xMax and yMax;
the traversal data source folder module is used for traversing all required data in the input map data source according to the set slicing parameters and establishing a quadtree index according to the required data; the traversal data source folder module comprises a traversal data module and an index building module;
the map cutting task execution module is used for calculating the geographical range covered by a single slice according to the set slice parameters and the generated quadtree index, and executing a single slice task according to the geographical position covered by the single slice and the quadtree index to generate a grid tile; the map cutting task execution module comprises a calculation range module and a slicing generation module.
Further, the map service is divided into a grid format map service and a vector format map service.
Furthermore, WMS format open source map data resources are supported.
Further, when the filtering range is set and applied, only slice data within the filtering range is generated.
According to another aspect of the present invention, there is provided a multi-source map data slicing method, including the steps of:
s1: selecting map data resources and judging the data format type, wherein the data resources comprise commercial software private configuration data and open source format map data;
s2: setting slice parameters, wherein the parameters comprise a slice generation type, a slice maximum level, a tangent plane minimum level, a slice layer name, a slice pixel size, slice compactness or looseness, thread number, an output picture type, a zero-level splicing range and a scale;
s3: setting a range of a tangent diagram, wherein the range comprises four to four zero-order slices and four to four filtering ranges, and the four to four zero-order slices and the four to four filtering ranges are xMin, yMin, xMax and yMax;
s4: traversing folders or services in a data source, screening out required data and configuration files, and establishing a quadtree index according to the required data;
s5: calculating the geographical range covered by a single slice according to the set slice parameters and the generated quad-tree index;
s6: and executing a single slice task according to the geographic position covered by the single slice and the quadtree index to generate the grid tile.
Further, in step S3, when the filtering range is set and applied, only the slice data within the filtering range is generated.
Furthermore, WMS format open source map data resources are supported.
The invention has the beneficial effects that: by the system and the method, the generation of the map tile in the Open Geospatial information alliance (Open Geospatial Consortium) standard format by the commercial private data is realized: WMS and WMTS; the problem that the commercial private configuration data cannot be used in an open source map framework is solved; directly reading Mxd map data resource with map matching completed in file; the Mxd file is directly generated into the map tile in the standard format of the open geospatial information alliance: WMS and WMTS; the generation of loose map tile data and compact map tile data is realized; the problems of long time consumption and large storage space of single loose data cutting are solved; multi-thread graph cutting is realized; the graph cutting efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a functional block diagram of a multi-source map data slicing system according to an embodiment of the present invention;
fig. 2 is a flow chart of a multi-source map data slicing method according to an embodiment of the invention.
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. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
As shown in fig. 1, a multi-source map data slicing system according to an embodiment of the present invention includes:
the system comprises a commercial soft-nail private configuration data selection module, a map data acquisition module and a data source management module, wherein the commercial soft-nail private configuration data selection module is used for selecting a commercial private configuration mxd file where service or map data issued under a commercial software service is located and reading all map services under a selected data source;
the commercial soft armor private configuration data selection module comprises a file selection module and a map reading service module;
the open source map data resource selection module is used for selecting map data in an open source format as an input data source;
the device comprises a cutting parameter setting module, a cutting parameter setting module and a control module, wherein the cutting parameter setting module is used for setting cutting parameters, and the parameters comprise a cutting generation type, a cutting maximum level, a cutting minimum level, a cutting layer name, a cutting pixel size, compactness or looseness of a cutting, thread number, an output picture type, a zero-level splicing range and a scale;
the device comprises a cutting chart range setting module, a filtering range setting module and a slice range setting module, wherein the cutting chart range setting module is used for setting a slice range, and the range comprises four to four zero-level slices and four to four filtering ranges, and the four to four zero-level slices and the four to four filtering ranges are xMin, yMin, xMax and yMax;
the traversal data source folder module is used for traversing all required data in the input map data source according to the set slicing parameters and establishing a quadtree index according to the required data; the traversal data source folder module comprises a traversal data module and an index building module;
the map cutting task execution module is used for calculating the geographical range covered by a single slice according to the set slice parameters and the generated quadtree index, and executing a single slice task according to the geographical position covered by the single slice and the quadtree index to generate a grid tile; the map cutting task execution module comprises a calculation range module and a slicing generation module.
In a specific embodiment of the present invention, the map service is classified into a grid format map service, a vector format map service.
In one embodiment of the invention, WMS formatted open source map data resources are supported.
In one embodiment of the invention, when the filtering range is set and applied, only slice data within the filtering range is generated.
In order to facilitate understanding of the above-described aspects of the present invention, the above-described aspects of the present invention will be described in detail below.
Through the commercial software private configuration data selection module and the image cutting task execution module, the generation of the map tile in the Open Geospatial information alliance (Open Geospatial Consortium) standard format by the commercial private data is realized: WMS and WMTS solve the problem that the commercial private configuration data can not be used in the open source map framework.
And directly reading Mxd the map data resource of which the map matching is completed in the file through a commercial software private configuration data selection module.
By analyzing and reading the configuration file, Mxd files are directly generated into map tiles in the standard format of the open geospatial information alliance (OpenGeospatial Consortium): WMS and WMTS.
Through the map cutting parameter setting module and the map cutting task execution module, the generation of two map tile data of a loose type and a compact type is realized, the map tile data can be flexibly set according to requirements (16 x 16, 32 x 32 and 64 x 64), and the problems of long time consumption and large storage space of a single loose type data map cutting are solved.
Through the parameter setting module and the graph cutting task execution module, multi-thread graph cutting is achieved, the number of threads can be set according to requirements, and graph cutting efficiency is improved.
In specific use, the multisource map data slicing method provided by the invention comprises the following steps of:
s1: selecting map data resources and judging the data format type, wherein the data resources comprise commercial software private configuration data and open source format map data;
s2: setting slice parameters, wherein the parameters comprise a slice generation type, a slice maximum level, a tangent plane minimum level, a slice layer name, a slice pixel size, slice compactness or looseness, thread number, an output picture type, a zero-level splicing range and a scale;
s3: setting a range of a tangent diagram, wherein the range comprises four to four zero-order slices and four to four filtering ranges, and the four to four zero-order slices and the four to four filtering ranges are xMin, yMin, xMax and yMax;
s4: traversing folders or services in a data source, screening out required data and configuration files, and establishing a quadtree index according to the required data;
s5: calculating the geographical range covered by a single slice according to the set slice parameters and the generated quad-tree index;
s6: and executing a single slice task according to the geographic position covered by the single slice and the quadtree index to generate the grid tile.
In an embodiment of the invention, in step S3, when the filtering range is set and applied, only the slice data within the filtering range is generated.
In summary, with the above technical solution of the present invention, by the system and the method, the generation of the map tile in the Open Geospatial information alliance (Open Geospatial Consortium) standard format by the commercial private data is realized: WMS and WMTS; the problem that the commercial private configuration data cannot be used in an open source map framework is solved; directly reading Mxd map data resource with map matching completed in file; the Mxd file is directly generated into the map tile in the standard format of the open geospatial information alliance: WMS and WMTS; the generation of loose map tile data and compact map tile data is realized; the problems of long time consumption and large storage space of single loose data cutting are solved; multi-thread graph cutting is realized; the graph cutting efficiency is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A multi-source map data slicing system, comprising:
the system comprises a commercial soft-nail private configuration data selection module, a map data acquisition module and a data source management module, wherein the commercial soft-nail private configuration data selection module is used for selecting a commercial private configuration mxd file where service or map data issued under a commercial software service is located and reading all map services under a selected data source;
the commercial soft armor private configuration data selection module comprises a file selection module and a map reading service module;
the open source map data resource selection module is used for selecting map data in an open source format as an input data source;
the device comprises a cutting parameter setting module, a cutting parameter setting module and a control module, wherein the cutting parameter setting module is used for setting cutting parameters, and the parameters comprise a cutting generation type, a cutting maximum level, a cutting minimum level, a cutting layer name, a cutting pixel size, compactness or looseness of a cutting, thread number, an output picture type, a zero-level splicing range and a scale;
the device comprises a cutting chart range setting module, a filtering range setting module and a slice range setting module, wherein the cutting chart range setting module is used for setting a slice range, and the range comprises four to four zero-level slices and four to four filtering ranges, and the four to four zero-level slices and the four to four filtering ranges are xMin, yMin, xMax and yMax;
the traversal data source folder module is used for traversing all required data in the input map data source according to the set slicing parameters and establishing a quadtree index according to the required data; the traversal data source folder module comprises a traversal data module and an index building module;
the map cutting task execution module is used for calculating the geographical range covered by a single slice according to the set slice parameters and the generated quadtree index, and executing a single slice task according to the geographical position covered by the single slice and the quadtree index to generate a grid tile; the map cutting task execution module comprises a calculation range module and a slicing generation module.
2. The system of claim 1, wherein the map service is classified as a grid format map service or a vector format map service.
3. The system of claim 1, wherein WMS-formatted open source map data resources are supported.
4. The system of claim 1, wherein when the filtering range is set and applied, only sliced data within the filtering range is generated.
5. A multi-source map data slicing method is characterized by comprising the following steps:
s1: selecting map data resources and judging the data format type, wherein the data resources comprise commercial software private configuration data and open source format map data;
s2: setting slice parameters, wherein the parameters comprise a slice generation type, a slice maximum level, a tangent plane minimum level, a slice layer name, a slice pixel size, slice compactness or looseness, thread number, an output picture type, a zero-level splicing range and a scale;
s3: setting a range of a tangent diagram, wherein the range comprises four to four zero-order slices and four to four filtering ranges, and the four to four zero-order slices and the four to four filtering ranges are xMin, yMin, xMax and yMax;
s4: traversing folders or services in a data source, screening out required data and configuration files, and establishing a quadtree index according to the required data;
s5: calculating the geographical range covered by a single slice according to the set slice parameters and the generated quad-tree index;
s6: and executing a single slice task according to the geographic position covered by the single slice and the quadtree index to generate the grid tile.
6. The method for slicing multi-source map data according to claim 5, wherein in step S3, when the filtering range is set and applied, only slicing data within the filtering range is generated.
7. The method of claim 5, wherein WMS format open source map data resource is supported.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112632209A (en) * | 2020-12-29 | 2021-04-09 | 智慧足迹数据科技有限公司 | Data association method and device, computer equipment and readable storage medium |
| CN113096246A (en) * | 2021-05-12 | 2021-07-09 | 泰瑞数创科技(北京)有限公司 | Three-dimensional map data updating method |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010066392A1 (en) * | 2008-12-09 | 2010-06-17 | Infoterra France Sas | Production of maps |
| CN103488760A (en) * | 2013-09-26 | 2014-01-01 | 中国测绘科学研究院 | Provision method of geographic information tile services and device for implementing provision method |
| CN103744997A (en) * | 2014-01-23 | 2014-04-23 | 广东中科遥感技术有限公司 | Network map service publication method and system |
| KR101551739B1 (en) * | 2015-05-12 | 2015-09-10 | (주)이지스 | Method for locating of structure data on 3D geomorphic data |
| CN105045930A (en) * | 2015-08-31 | 2015-11-11 | 武汉云空间地理信息技术有限公司 | Raster data slice generating method and raster data slice generating system |
| CN105138678A (en) * | 2015-09-11 | 2015-12-09 | 武汉云空间地理信息技术有限公司 | Reading and distributing method and system for map tile data |
| CN105260450A (en) * | 2015-10-10 | 2016-01-20 | 东方网力科技股份有限公司 | Electronic map issuing method and apparatus and electronic map display method |
| CN105608191A (en) * | 2015-12-23 | 2016-05-25 | 云南电网有限责任公司 | EnersunWebCache based method for dynamically generating cached power grid map tiles |
| CN106294574A (en) * | 2016-07-21 | 2017-01-04 | 国家林业局调查规划设计院 | Thematic map tile rapid generation in forest land under distributed cloud environment |
| CN106844537A (en) * | 2016-12-30 | 2017-06-13 | 重庆知行地理信息咨询服务有限公司 | A kind of organization and management method of space-time map tile data |
| CN107239531A (en) * | 2017-05-31 | 2017-10-10 | 国电南瑞科技股份有限公司 | A kind of extension GeoServer issues the implementation method of self-defined tile WMS services |
| CN107577705A (en) * | 2017-07-28 | 2018-01-12 | 武汉市测绘研究院 | A kind of dwg data automatically create map tile service and the local update method of service |
| CN108009211A (en) * | 2017-11-10 | 2018-05-08 | 中国电子科技集团公司第三十二研究所 | Multisource map vector tile rendering system based on rule base |
| CN110008296A (en) * | 2019-03-26 | 2019-07-12 | 贵州图智信息技术有限公司 | A kind of system and method for fast construction geographic information data application |
| CN110069556A (en) * | 2019-03-14 | 2019-07-30 | 武汉众智鸿图科技有限公司 | A kind of DWG format map vector service issuing method and device |
| CN110119266A (en) * | 2019-04-30 | 2019-08-13 | 航天恒星科技有限公司 | A kind of WebGIS applicating developing technology frame based on OpenLayers |
| CN110727746A (en) * | 2019-08-23 | 2020-01-24 | 中国地质大学（武汉） | Buffer analysis parallel scheduling method and device based on secondary task division strategy |
-
2020
- 2020-03-19 CN CN202010194846.9A patent/CN111459934B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010066392A1 (en) * | 2008-12-09 | 2010-06-17 | Infoterra France Sas | Production of maps |
| CN103488760A (en) * | 2013-09-26 | 2014-01-01 | 中国测绘科学研究院 | Provision method of geographic information tile services and device for implementing provision method |
| CN103744997A (en) * | 2014-01-23 | 2014-04-23 | 广东中科遥感技术有限公司 | Network map service publication method and system |
| KR101551739B1 (en) * | 2015-05-12 | 2015-09-10 | (주)이지스 | Method for locating of structure data on 3D geomorphic data |
| CN105045930A (en) * | 2015-08-31 | 2015-11-11 | 武汉云空间地理信息技术有限公司 | Raster data slice generating method and raster data slice generating system |
| CN105138678A (en) * | 2015-09-11 | 2015-12-09 | 武汉云空间地理信息技术有限公司 | Reading and distributing method and system for map tile data |
| CN105260450A (en) * | 2015-10-10 | 2016-01-20 | 东方网力科技股份有限公司 | Electronic map issuing method and apparatus and electronic map display method |
| CN105608191A (en) * | 2015-12-23 | 2016-05-25 | 云南电网有限责任公司 | EnersunWebCache based method for dynamically generating cached power grid map tiles |
| CN106294574A (en) * | 2016-07-21 | 2017-01-04 | 国家林业局调查规划设计院 | Thematic map tile rapid generation in forest land under distributed cloud environment |
| CN106844537A (en) * | 2016-12-30 | 2017-06-13 | 重庆知行地理信息咨询服务有限公司 | A kind of organization and management method of space-time map tile data |
| CN107239531A (en) * | 2017-05-31 | 2017-10-10 | 国电南瑞科技股份有限公司 | A kind of extension GeoServer issues the implementation method of self-defined tile WMS services |
| CN107577705A (en) * | 2017-07-28 | 2018-01-12 | 武汉市测绘研究院 | A kind of dwg data automatically create map tile service and the local update method of service |
| CN108009211A (en) * | 2017-11-10 | 2018-05-08 | 中国电子科技集团公司第三十二研究所 | Multisource map vector tile rendering system based on rule base |
| CN110069556A (en) * | 2019-03-14 | 2019-07-30 | 武汉众智鸿图科技有限公司 | A kind of DWG format map vector service issuing method and device |
| CN110008296A (en) * | 2019-03-26 | 2019-07-12 | 贵州图智信息技术有限公司 | A kind of system and method for fast construction geographic information data application |
| CN110119266A (en) * | 2019-04-30 | 2019-08-13 | 航天恒星科技有限公司 | A kind of WebGIS applicating developing technology frame based on OpenLayers |
| CN110727746A (en) * | 2019-08-23 | 2020-01-24 | 中国地质大学（武汉） | Buffer analysis parallel scheduling method and device based on secondary task division strategy |
Non-Patent Citations (6)
| Title |
|---|
| 向珏良: "输电线路外损源WebGIS预警系统的设计和实现", 《上海工程技术大学学报 》 * |
| 徐永龙: "一种数字地图切片算法的实现", pages 118 - 120 * |
| 戴逸贤;付宇;吕德奎;闫修林;: "开源GIS软件的技术发展", 电子技术与软件工程, no. 10 * |
| 温永宁;: "浅论开源软件在GIS专业能力培养中作用", 电脑知识与技术, no. 18 * |
| 陈鑫祥;吴锦超;: "利用ArcGIS Engine实现天地图瓦片数据的切割", 北京测绘, no. 04 * |
| 黄诠;李光强;易叶青;殷俊华;: "基于云存储的空间信息服务方法", 测绘科学, no. 08 * |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112632209A (en) * | 2020-12-29 | 2021-04-09 | 智慧足迹数据科技有限公司 | Data association method and device, computer equipment and readable storage medium |
| CN112632209B (en) * | 2020-12-29 | 2021-08-17 | 智慧足迹数据科技有限公司 | Data association method and device, computer equipment and readable storage medium |
| CN113096246A (en) * | 2021-05-12 | 2021-07-09 | 泰瑞数创科技(北京)有限公司 | Three-dimensional map data updating method |
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