CN114443624A - Basic geographic information data quality inspection method - Google Patents
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- CN114443624A CN114443624A CN202011216308.1A CN202011216308A CN114443624A CN 114443624 A CN114443624 A CN 114443624A CN 202011216308 A CN202011216308 A CN 202011216308A CN 114443624 A CN114443624 A CN 114443624A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000013499 data model Methods 0.000 claims abstract description 32
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- 230000007547 defect Effects 0.000 description 2
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- 238000001514 detection method Methods 0.000 description 1
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
- G06F16/215—Improving data quality; Data cleansing, e.g. de-duplication, removing invalid entries or correcting typographical errors
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
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Abstract
The invention discloses a method for quality inspection of basic geographic information data, which comprises selecting data of basic geographic information data to be inspected, inspecting data format, inspecting name attribute, inspecting changed material, comparing data, inspecting topological relation, inspecting logic consistency and storing data, wherein the inspecting method of the invention inspects the basic geographic information data by computer software, and can inspect the basic geographic information data rapidly and efficiently, thereby improving inspection efficiency, and the invention marks wrong places in the basic geographic information data, so that modifying personnel can find wrong places in time, and can avoid editing personnel editing data by comparing the basic geographic information data to be inspected with the data in the corresponding data model, the name of the basic geographic information data is obfuscated from the names of other basic geographic information data.
Description
Technical Field
The invention relates to the technical field of data quality inspection, in particular to a basic geographic information data quality inspection method.
Background
The basic geographic information data mainly refers to basic geographic units which have the strongest universality and the largest sharing requirement, are adopted as unified spatial positioning and spatial analysis for almost all industries related to geographic information, mainly comprise geomorphology, water systems and vegetation in natural geographic information, and elements such as residential areas, traffic, borders, special land features, names of places and the like in social geographic information, and further comprise a geographic coordinate system grid for positioning the geographic information, and the specific content of the grid is related to the adopted map scale, so that the coverage of the basic geographic information data is wider with the increase of the scale.
The traditional data quality inspection method is mainly manual inspection, and the manual inspection has many defects in the aspects of inspection mode, inspection content, inspection overhead, inspection efficiency and the like, so that the inspection result is not standard, more mistakes and omissions are made, and the inspection efficiency is low.
Disclosure of Invention
The invention aims to provide a basic geographic information data quality inspection method to solve the problem that the traditional data quality inspection method provided in the background art has more defects.
In order to achieve the purpose, the invention provides the following technical scheme: a basic geographic information data quality inspection method comprises the following steps:
s1, selecting data of the basic geographic information data to be detected from the database, identifying the data format of the data, entering the next step if the data format can be identified, and exporting the data if the data format cannot be identified;
s2, checking the name attribute of the data, if the name attribute is correct, entering the next step, and if the name attribute is incorrect, marking the wrong place of the name attribute and exporting the data;
s3, checking whether the data has changed materials, if not, directly entering the next step, if so, checking the changed materials, if not, deriving data, if so, finding out changed data, and marking the changed data;
s4, finding out a data model corresponding to the basic geographic information data from a database according to the name of the basic geographic information data, comparing the basic geographic information data with the data model, entering the next step if the basic geographic information data is consistent with the data in the data model, marking the inconsistent part in the basic geographic information data and the data in the data model if the basic geographic information data is inconsistent with the data in the data model, and exporting the basic geographic information data;
s5, judging whether the basic geographic information data has changed data, if no changed data, indicating that the basic geographic information data is summarized as qualified data, directly entering the last step, if changed data exists, carrying out topological relation check on the changed data, checking the relation among points, lines and surfaces in a changed data layer, if the relation is correct, entering the next step, if the relation is incorrect, marking wrong points, and then exporting the basic geographic information data corresponding to the changed data;
s6, checking the logic consistency of the changed data, checking the self attribute of the changed data, checking the consistency of the graphic information and the corresponding attribute information in the layer of the changed data after the attribute is correct, indicating that the basic geographic information data corresponding to the changed data is qualified data if the graphic information and the corresponding attribute information are consistent, marking different points if the graphic information and the corresponding attribute information are not consistent, and then exporting the basic geographic information data corresponding to the changed data;
and S7, importing the qualified data into a database and storing the qualified data.
Preferably, the database comprises a data model, basic geographic information data to be detected, qualified data and basic geographic information data to be modified, and the data model, the basic geographic information data to be detected, the qualified data and the basic geographic information data to be modified are respectively stored in different documents.
Preferably, each derived basic geographic information data is provided with a separate storage document, and each derived basic geographic information data is entered into the corresponding storage document.
Preferably, the changed material includes data before the change of the basic geographic information data and data after the change, the marked changed data is the data after the change, and the data before the change needs to be compared with the data in the data model corresponding to the data.
Preferably, after the qualified data is imported into the database, the qualified data is automatically used to replace the data in the data model corresponding to the basic geographic information data.
Preferably, the data in the data model can be manually replaced, and the manually replaced data is required to be qualified data.
Preferably, the database records the exported basic geographic information data and the exported changed data, when the export frequency of the changed data exceeds three times, the changed data needs manual re-inspection after being checked to be qualified, and the basic geographic information data corresponding to the changed data can be imported into the database after being checked to be qualified.
Preferably, a quality inspection model is established in the database, the quality inspection model records error locations of the derived basic geographic information data, the recorded content includes the error locations and the error times in the basic geographic information data, and the quality inspection model makes the recorded content into a table.
Compared with the prior art, the invention has the beneficial effects that:
1) the inspection method can be used for inspecting the quality of the basic geographic information data through computer software, and can be used for inspecting the quality of the basic geographic information data quickly and efficiently, so that the inspection efficiency is improved, wrong places in the basic geographic information data are marked, and modifying personnel can find the wrong places conveniently and timely, so that the modifying personnel can modify the places quickly;
2) by comparing the basic geographic information data to be detected with the data in the corresponding data model, the situation that the name of the basic geographic information data is mixed with the names of other basic geographic information data when an editor edits the data can be avoided;
3) the changed data are independently taken out for judgment and check, so that the checking times can be reduced, and more basic geographic information data can be checked by computer software in the same time conveniently.
Drawings
FIG. 1 is a logic operation diagram of the detection method of the present 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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "fitted/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1, the present invention provides a technical solution: a basic geographic information data quality inspection method comprises the following steps:
s1, selecting data of the basic geographic information data to be detected from the database, identifying the data format of the data, entering the next step if the data format can be identified, and exporting the data if the data format cannot be identified;
s2, checking the name attribute of the data, checking whether the content includes the length of the name is correct, whether the name has null value, whether the region name code in the name is correct, entering the next step if the name attribute is correct, marking the wrong place of the name attribute if the name attribute is incorrect, deriving the data, and marking the incorrect part as red;
s3, checking whether the data has changed material, if not, directly entering the next step, if yes, checking the changed material, if not, deriving data, if complete, finding out the changed data, and marking the changed data, wherein the changed data is marked as an internal mark, so that the data quality inspection software can read the marked data conveniently;
s4, finding out a data model corresponding to the basic geographic information data from a database according to the name of the basic geographic information data, comparing the basic geographic information data with the data model, entering the next step if the basic geographic information data is consistent with the data in the data model, marking the inconsistent part in the basic geographic information data and the data in the data model if the basic geographic information data is inconsistent with the data in the data model, and exporting the basic geographic information data;
s5, judging whether the basic geographic information data has changed data, if no changed data, indicating that the basic geographic information data is summarized as qualified data, directly entering the last step, if changed data exists, carrying out topological relation check on the changed data, checking the relation among points, lines and surfaces in a changed data layer, if the relation is correct, entering the next step, if the relation is incorrect, marking wrong points, and then exporting the basic geographic information data corresponding to the changed data;
s6, checking the logic consistency of the changed data, checking the self attribute of the changed data, checking the consistency of the graphic information and the corresponding attribute information in the layer of the changed data after the attribute is correct, indicating that the basic geographic information data corresponding to the changed data is qualified data if the graphic information and the corresponding attribute information are consistent, marking different points if the graphic information and the corresponding attribute information are inconsistent, and then exporting the basic geographic information data corresponding to the changed data;
and S7, importing the qualified data into a database and storing the qualified data.
The database comprises a data model, basic geographic information data to be detected, qualified data and basic geographic information data to be modified, and the data model, the basic geographic information data to be detected, the qualified data and the basic geographic information data to be modified are respectively stored in different documents.
And each exported basic geographic information data is provided with a separate storage document, and each exported basic geographic information data enters the storage document corresponding to the step.
The change material comprises data before the change of the basic geographic information data and data after the change, the marked change data is the data after the change, and meanwhile, the data before the change needs to be compared with the data in the data model corresponding to the data.
After the qualified data is imported into the database, the qualified data is automatically used for replacing data in the data model corresponding to the basic geographic information data.
The data in the data model can be manually replaced, and the manually replaced data is required to be qualified data.
The database records exported basic geographic information data and changed data, when the export times of the changed data exceed three times, the changed data needs manual re-inspection after being checked to be qualified, and the basic geographic information data corresponding to the changed data can be imported into the database after the re-inspection is qualified.
A quality inspection model is established in the database, the quality inspection model records error places of the derived basic geographic information data, the recorded content comprises the error places and the error times in the basic geographic information data, and the quality inspection model can make the recorded content into a table.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A basic geographic information data quality inspection method is characterized in that: the quality inspection method of the basic geographic information data comprises the following steps:
s1, selecting basic geographic information data to be detected from the database, identifying the data format of the basic geographic information data, entering the next step if the data format can be identified, and exporting the basic geographic information data if the data format cannot be identified;
s2, checking the name attribute of the basic geographic information data, entering the next step if the name attribute is correct, and marking the wrong place of the name attribute and exporting the basic geographic information data if the name attribute is incorrect;
s3, checking whether the basic geographic information data has changed materials, if not, directly entering the next step, if so, checking the changed materials, if not, deriving the basic geographic information data, if so, finding out the changed data, and marking the changed data;
s4, finding out a data model corresponding to the basic geographic information data from a database according to the name of the basic geographic information data, comparing the basic geographic information data with the data model, entering the next step if the basic geographic information data is consistent with the data in the data model, marking the inconsistent part in the basic geographic information data and the data in the data model if the basic geographic information data is inconsistent with the data in the data model, and exporting the basic geographic information data;
s5, judging whether the basic geographic information data has changed data, if no changed data, indicating that the basic geographic information data is summarized as qualified data, directly entering the last step, if changed data exists, carrying out topological relation check on the changed data, checking the relation among points, lines and surfaces in a changed data layer, if the relation is correct, entering the next step, if the relation is incorrect, marking wrong points, and then exporting the basic geographic information data corresponding to the changed data;
s6, checking the logic consistency of the changed data, checking the self attribute of the changed data, checking the consistency of the graphic information and the corresponding attribute information in the layer of the changed data after the attribute is correct, indicating that the basic geographic information data corresponding to the changed data is qualified data if the graphic information and the corresponding attribute information are consistent, marking different points if the graphic information and the corresponding attribute information are inconsistent, and then exporting the basic geographic information data corresponding to the changed data;
and S7, importing the qualified data into a database and storing the qualified data.
2. The method for quality inspection of basic geographic information data according to claim 1, wherein: the database comprises a data model, basic geographic information data to be detected, qualified data and basic geographic information data to be modified, and the data model, the basic geographic information data to be detected, the qualified data and the basic geographic information data to be modified are respectively stored in different documents.
3. The method for quality inspection of basic geographic information data according to claim 2, wherein: and each exported basic geographic information data is provided with an independent storage document, and each exported basic geographic information data enters the corresponding storage document.
4. The method for quality inspection of basic geographic information data according to claim 1, wherein: the change material comprises data before the change of the basic geographic information data and data after the change, the marked change data is the data after the change, and meanwhile, the data before the change needs to be compared with the data in the data model corresponding to the data.
5. The method for quality inspection of basic geographic information data according to claim 1, wherein: and after the qualified data is imported into the database, the qualified data is automatically used for replacing data in the data model corresponding to the basic geographic information data.
6. The method for quality inspection of basic geographic information data according to claim 1, wherein: the data in the data model can be manually replaced, and the manually replaced data is qualified data.
7. The method for quality inspection of basic geographic information data according to claim 1, wherein: the database records exported basic geographic information data and changed data, when the export times of the changed data exceed three times, the changed data needs manual re-inspection after being checked to be qualified, and the basic geographic information data corresponding to the changed data can be imported into the database after the re-inspection is qualified.
8. The method for quality inspection of basic geographic information data according to claim 1, wherein: and a quality inspection model is established in the database, the quality inspection model records error places of the derived basic geographic information data, the recorded content comprises the error places and the error times in the basic geographic information data, and the quality inspection model can make the recorded content into a table.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115080681A (en) * | 2022-07-21 | 2022-09-20 | 上海叁零肆零科技有限公司 | GIS data checking method and system |
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Cited By (2)
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