CN109446687B - Automatic checking system for pipeline vector data - Google Patents
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Abstract
The invention relates to the technical field of GIS technology and software research and development, in particular to an automatic checking system, which comprises: the pipeline data calling module is used for calling pipeline vector data of the archive and the rights unit; the data checking module is used for automatically checking the called vector data of the pipelines of the archives and the authority units; and the difference display module is used for displaying the difference of the pipeline data of the archive and the authority unit according to the automatic verification result. According to the invention, through the combination of intersection analysis in superposition analysis in the GIS technology and a software development technology, after the superposition analysis is carried out, dynamic verification is carried out through the combination of comparison of the lengths of data items. According to the invention, the efficiency and accuracy of data verification are greatly improved in a pipeline vector data dynamic verification mode; meanwhile, the problem that pipeline data of the urban filing department and pipeline data of each authority unit are not matched in practical application is effectively solved, and a foundation is laid for realizing dynamic update management of the urban pipeline data.
Description
Technical Field
The invention relates to the technical field of GIS technology and software research and development, in particular to an automatic checking system for pipeline vector data.
Background
Due to the reasons that the underground pipeline management regulations are not sound, the pipeline basic data of the urban filing department are often regularly and generally checked data, new underground pipelines are continuously built, pipelines which are not suitable for urban development needs are abandoned or replaced, various newly built and reconstructed pipeline data are reserved in pipeline ownership units, the pipeline information of the urban filing department and the pipeline ownership units is not matched, and the real-time state of the urban underground pipeline data cannot be confirmed. The pipeline data comparison and verification is the basis for realizing the dynamic update of the pipeline data, and how to realize the automatic verification of the pipeline vector data is a problem which needs to be solved urgently.
At present, manual verification is performed, workload is heavy, errors are easily caused, and in the past, a new pipeline is reasonably planned according to pipeline basic data of an archive very difficultly in the follow-up process, so that verification and comparison of pipeline basic data are very important.
With the development of software technology, the software development technology is combined with various professional technical fields to realize corresponding automation, so that the work of automatically checking the pipeline data in the GIS field through the software technology becomes a new research hotspot.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: according to the problem that information of pipeline data of a city filing library is not matched with information of pipeline data of various pipeline ownership units, how to provide a system for automatically checking pipeline vector data is to automatically compare data of the filing library with the data of the various pipeline ownership units.
(II) technical scheme
In order to solve the above technical problem, the present invention provides an automatic verification system for pipeline vector data, including: the device comprises a pipeline data calling module, a data checking module and a difference judging module;
the pipeline data calling module is used for calling the pipeline vector data of the archive and the weight unit;
the data checking module is used for automatically checking the called vector data of the archives and the authority unit pipelines;
the difference display module is used for displaying the difference of the pipeline data of the archive and the authority unit according to the automatic verification result.
Wherein the pipeline data call module comprises: the system comprises a vector data file acquisition unit, a map service release unit and a call loading unit; wherein the content of the first and second substances,
the vector data file acquisition unit is used for acquiring an archive pipeline vector data file and a right unit pipeline vector data file;
the map service publishing unit is used for publishing the archive pipeline vector data file and the right unit pipeline vector data file into GIS map service through ArcGIS series software;
the calling and loading unit is used for calling a GIS map service interface and loading pipeline vector data in the archive pipeline vector data file and the rights unit pipeline vector data file by calling a map service calling method provided by ArcGIS.
Wherein the data verification module comprises: the device comprises a data item total number acquisition unit, a data item total number equalization judgment unit, an intersection analysis unit and a comparison unit; wherein the content of the first and second substances,
the data item total number acquisition unit is used for acquiring the total number of data items in the archive pipeline vector data and the total number of data items in the right unit pipeline vector data according to the GIS map service interface issued by the map service issuing unit through an attribute query method provided by the ArcGIS development interface;
the data item total number equality judging unit is used for calling an equals method to judge whether the total number of the data items of the two types of pipelines is equal, if the return value is 0, the vector data of the two types of pipelines can be directly judged to be different, and the automatic verification method is finished; if the return value of the equals method is 1, which indicates that the two types of pipeline vector data items are equal, continuing to judge, and entering step 23;
the intersection analysis unit is used for calling a relation operation interface in the geometric service, and carrying out intersection analysis in superposition analysis on the two types of pipeline vector data to obtain new pipeline vector data after the intersection analysis;
and the comparison unit is used for comparing and checking the number of data items in the new pipeline vector data subjected to intersection analysis and the number of data items in the archive pipeline vector data by an attribute query method to generate a checking result.
If the number of the data items in the new pipeline vector data after calculation, intersection and analysis by the attribute query method is the same as that of the data items in the previous archive pipeline vector data, the two pipelines are completely the same, otherwise, the pipelines are not completely the same, and the difference display module performs difference display according to the verification result.
(III) advantageous effects
Compared with the prior art, the method has the key point that the process of realizing the dynamic verification of the pipeline vector data is realized. According to the invention, the intersection analysis in the superposition analysis in the GIS technology is combined with the software development technology, and after the superposition analysis is carried out, the dynamic verification is carried out by combining the lengths of the comparison data items.
According to the invention, the problems of large workload and easy error of traditional manual verification are replaced by a pipeline vector data dynamic verification mode, and the efficiency and accuracy of data verification are greatly improved; meanwhile, the problem that pipeline data of the urban filing system and pipeline data of each authority unit are not matched in practical application is efficiently solved, and a foundation is laid for realizing dynamic updating management of the urban pipeline data.
Drawings
FIG. 1 is a flow chart of pipeline vector data verification.
FIG. 2 is a flow chart of a method for automatically verifying pipeline vector data.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
First, some technical names to which the present invention relates will be explained.
And GIS: the Geographic Information System (Geographic Information System) is a computer-based tool that can analyze and process spatial Information. GIS technology integrates this unique visualization and geographic analysis function of maps with general database operations (e.g., queries and statistical analysis, etc.).
ArcGIS: is a software series of geographic information systems produced by ESRI, wherein ArcMap (the most basic application program component for drawing, editing, map space analysis, but mainly used for processing 2D space map) ArcCatalog (for managing space data, making simple design of database, and recording and displaying attribute data metadata)
GIS map service: the map service is a method for making a map accessible through the Web using ArcGIS. With the map service, maps, element and attribute data can be used in many types of client applications.
ArcGIS API for JavaScript: the ArcG for JavaScript development interface.
ArcGISTiledMapServiceLayer：
The esri/layers/ArcGISTIledMapServiceLayer can directly load the cache map service of the server side.
QueryTask: querying the attributes, and obtaining the number of data items (esri/tasks/QueryTask).
Geometry Service: the intersection analysis is performed by invoking the geometry service (esi/tasks/GeometryService).
IRelationOperator: to determine the spatial relationship that exists between two graphs, the types of spatial relationship including contain, intersect, equal, meet, do not intersect, overlap, inside, etc.
Overlay Analysis: overlay analysis is a very important spatial analysis function in GIS. The method refers to a process of generating new data by a series of set operations on two data under a unified spatial reference system.
Inersect Analysis: intersection analysis is carried out to extract parts of the two layers, which can be intersected in the space relation, and one layer is generated independently and has the attributes of the two layers.
Specifically, to solve the problems in the prior art, the present invention provides an automatic verification system for pipeline vector data, including: the pipeline data calling module, the data checking module and the difference judging module are arranged in the pipeline;
the pipeline data calling module is used for calling the pipeline vector data of the archive and the weight unit;
the data checking module is used for automatically checking the called vector data of the pipelines of the archives and the rights unit;
the difference display module is used for displaying the difference of the pipeline data of the archive and the authority unit according to the automatic verification result.
Wherein the pipeline data call module comprises: the system comprises a vector data file acquisition unit, a map service release unit and a call loading unit; wherein, the first and the second end of the pipe are connected with each other,
the vector data file acquisition unit is used for acquiring an archive pipeline vector data file and a right unit pipeline vector data file;
the map service publishing unit is used for publishing the archive pipeline vector data file and the right unit pipeline vector data file into GIS map service through ArcGIS series software;
the calling and loading unit is used for calling a GIS map service interface and loading pipeline vector data in the archive pipeline vector data file and the right unit pipeline vector data file by calling a map service calling method (ArcGIS TiledMapServiceLayer) provided by ArcGIS.
Wherein the data verification module comprises: the device comprises a data item total number acquisition unit, a data item total number equalization judgment unit, an intersection analysis unit and a comparison unit; wherein the content of the first and second substances,
the data item total number acquisition unit is used for acquiring the total number of data items in the archive pipeline vector data and the total number of data items in the right unit pipeline vector data according to a GIS map service interface issued by the map service issuing unit and through an attribute query method (QueryTask) provided by an ArcGIS development interface (ArcGIS API for JavaScript);
the data item total number equality judging unit is used for calling an equals method to judge whether the total number of the data items of the two types of pipelines is equal, if the return value is 0, the vector data of the two types of pipelines can be directly judged to be different, and the automatic verification method is finished; if the return value of the equals to 1, which indicates that the two types of pipeline vector data items are equal, continuing to judge, and entering step 23;
the intersection Analysis unit is used for calling an relational operator interface in a Geometry Service (Geometry Service) and carrying out intersection Analysis (Inersect Analysis) in superposition Analysis (Overlay Analysis) on two types of pipeline vector data to obtain new pipeline vector data after the intersection Analysis;
and the comparison unit is used for comparing and checking the number of data items in the new pipeline vector data subjected to intersection analysis and the number of data items in the archive pipeline vector data by an attribute query method to generate a checking result.
If the number of the data items in the new pipeline vector data after calculation and intersection analysis by the attribute query method is the same as that of the data items in the previous archive pipeline vector data, the two pipelines are completely the same, otherwise, the two pipelines are not completely the same, and the difference display module performs difference display according to the verification result.
In addition, the invention also provides an automatic checking method of pipeline vector data, the automatic checking method is implemented based on an automatic checking system, and the automatic checking system comprises: the device comprises a pipeline data calling module, a data checking module and a difference judging module;
as shown in fig. 1, the automatic verification method includes the following steps:
step 1: the pipeline data calling module calls the archive and the pipeline vector data of the weight unit;
and 2, step: the data checking module automatically checks the called vector data of the pipelines of the archives and the authority units;
and step 3: and the difference display module displays the difference of the pipeline data of the archive and the authority unit according to the automatic verification result.
Wherein the pipeline data call module comprises: the system comprises a vector data file acquisition unit, a map service release unit and a call loading unit;
as shown in fig. 2, the step 1 includes the following sub-steps:
step 11: the vector data file acquisition unit acquires an archive pipeline vector data file and a weight unit pipeline vector data file;
step 12: the map service publishing unit publishes the archive pipeline vector data file and the right unit pipeline vector data file into GIS map service through ArcGIS series software;
step 13: and calling a loading unit to call a GIS map service interface, and loading pipeline vector data in the archive pipeline vector data file and the ownership unit pipeline vector data file by calling a map service calling method (ArcGIS TiledMapServiceLayer) provided by ArcGIS.
Wherein the data verification module comprises: the device comprises a data item total number acquisition unit, a data item total number equalization judgment unit, an intersection analysis unit and a comparison unit;
the step 2 comprises the following substeps:
step 21: the data item total number obtaining unit obtains the total number of data items in the archive pipeline vector data and the total number of data items in the right unit pipeline vector data through an attribute query method (QueryTask) provided by an ArcGIS development interface (ArcGIS API for JavaScript) according to the GIS map service interface issued in the step 12;
step 22: the data item total number equality judging unit calls an equals method to judge whether the total numbers of the data items of the two types of pipelines are equal, if the return value is 0, the vector data of the two types of pipelines can be directly judged to be different, and the automatic checking method is finished; if the return value of the equals method is 1, which indicates that the two types of pipeline vector data items are equal, continuing to judge, and entering step 23;
step 23: the method comprises the following steps that an intersection Analysis unit calls an relational operator interface in a Geometry Service (Geometry Service), intersection Analysis (Inersect Analysis) in superposition Analysis (Overlay Analysis) is carried out on two types of pipeline vector data, and new pipeline vector data after the intersection Analysis are obtained;
and step 24: and the comparison unit acquires the number of data items in the new pipeline vector data subjected to intersection analysis and the number of data items in the archive pipeline vector data through an attribute query method, compares and verifies the data items, generates a verification result and then enters the step 3.
Wherein, in the step 3: if the number of the data items in the new pipeline vector data after calculation, intersection and analysis by the attribute query method is the same as that of the data items in the previous archive pipeline vector data, the two pipelines are completely the same, otherwise, the pipelines are not completely the same, and the difference display module performs difference display according to the verification result.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (2)
1. An automatic verification system for pipeline vector data, the automatic verification system comprising: the pipeline data calling module, the data checking module and the difference judging module are arranged in the pipeline;
the pipeline data calling module is used for calling pipeline vector data of an archive and a rights unit;
the data checking module is used for automatically checking the called vector data of the archives and the authority unit pipelines;
the difference display module is used for displaying the difference of the pipeline data of the archive and the authority units according to the automatic verification result;
the pipeline data calling module comprises: the system comprises a vector data file acquisition unit, a map service release unit and a calling and loading unit; wherein the content of the first and second substances,
the vector data file acquisition unit is used for acquiring an archive pipeline vector data file and a right unit pipeline vector data file;
the map service publishing unit is used for publishing the archive pipeline vector data file and the right unit pipeline vector data file into GIS map service through ArcGIS series software;
the calling and loading unit is used for calling a GIS map service interface and loading pipeline vector data in the archive pipeline vector data file and the right unit pipeline vector data file by calling a map service calling method provided by ArcGIS;
the data verification module comprises: the device comprises a data item total number acquisition unit, a data item total number equalization judgment unit, an intersection analysis unit and a comparison unit; wherein the content of the first and second substances,
the data item total number acquisition unit is used for acquiring the total number of data items in the archive pipeline vector data and the total number of data items in the right attribute unit pipeline vector data according to the GIS map service interface issued by the map service issuing unit by using an attribute query method provided by the ArcGIS development interface;
the data item total number equality judging unit is used for calling an equals method to judge whether the total number of the data items of the two types of pipelines is equal, if the return value is 0, the vector data of the two types of pipelines can be directly judged to be different, and the automatic verification is finished; if the return value of the equals method is 1, indicating that the two types of pipeline vector data items are equal, continuing to judge;
the intersection analysis unit is used for calling a relation operation interface in the geometric service, and carrying out intersection analysis in superposition analysis on the two types of pipeline vector data to obtain new pipeline vector data after the intersection analysis;
and the comparison unit is used for comparing and checking the number of data items in the new pipeline vector data subjected to intersection analysis and the number of data items in the archive pipeline vector data by an attribute query method to generate a checking result.
2. The system of claim 1, wherein if the number of data items in the new pipeline vector data after calculation and cross analysis by the attribute query method is the same as the number of data items in the previous archive pipeline vector data, it means that the two types of pipelines are completely the same, otherwise they are not completely the same, and the difference display module performs difference display according to the verification result.
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| CN105975591A (en) * | 2016-05-09 | 2016-09-28 | 东南大学 | Urban global energy consumption digital map making and displaying method and system |
| CN107977766A (en) * | 2017-10-09 | 2018-05-01 | 中国电子科技集团公司第二十八研究所 | A kind of city operations emulation and overall planning system |
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