CN109145044A - One kind being based on many body system Fundamental Geographic Information Data benchmark model - Google Patents
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Abstract
The present invention proposes a kind of based on many body system Fundamental Geographic Information Data benchmark model, the model combines the data category of " first phase data standard " " second phase data standard " and " third phase data standard ", defines to data hierarchy, attribute item, completely new definition has all been done in code classification fusion.Groundwork and achievement are three list files: integrated data model data hierarchy table, integrated data model attribute structure table, integrated data model element code table.These three list files realize the lateral concentration across period Fundamental Geographic Information Data, have laid data model basis for the foundation of amalgamation database, have provided necessary condition for the unified management of data.
Description
Technical field
The present invention relates to data management fields, specially a kind of to be based on many body system Fundamental Geographic Information Data benchmark model.
Background technique
Fundamental Geographic Information Data is the important component of National Spatial Data Infrastructure, is the power of national information
Prestige, unified positioning datum and space vehicles, the development of the national economy, social development, national security and in terms of play
Highly important effect.
Shandong Province's base surveying worked since 1975, and basic surveying and mapping product mode is developed by artificially generated terrain figure
Qualitative leap has occurred in Fundamental Geographic Information Database, data mode.Fast development and information-based, city with economic society
The continuous propulsion of cityization strategy, Facilities Planning and Construction, city construction planning and building, basic industry allocation plan and region
The demand to Fundamental Geographic Information System such as economic development planning is very urgent, demand is increasing, shows to basic surveying and mapping product
The requirement of gesture and level of digital is also higher and higher.
For response country mapping geography information office work ethos, have in China 1: 5000,1: 10000 Fundamental Geographic Information System
On the basis of the standard of pass, technology development level and socio-economic development demand are surveyed and drawn in recent years in conjunction with our province, and rank is showed according to our province
Geographical information technology is surveyed and drawn used by section and from now on regular period, and formulates completely new data production standard, hereinafter referred to as
" third phase data standard ", new standard and " first phase data standard " " second phase data standard " have notable difference, in order to
Provincial Fundamental Geographic Information Database afterwards can be managed collectively the Fundamental Geographic Information Data under these three systems,
The present invention proposes a kind of based on many body system Fundamental Geographic Information Data benchmark model, the Model Fusion " first phase data mark
The similarities and differences of standard " " second phase data standard " and " third phase data standard ", provide the foundation for the unified management of data.
Summary of the invention
1. technical problems to be solved
Aiming at the problems existing in the prior art, the present invention is intended to provide a kind of be based on many body system Fundamental Geographic Information System number
According to benchmark model, the data class of comprehensive " first phase data standard ", " second phase data standard " and " third phase data standard "
Not, basis is provided for the unified management of data.
2. technical solution
One kind being based on many body system Fundamental Geographic Information Data benchmark model, including integrated data model data hierarchy table, comprehensive
Close data model attribute structure table and integrated data model element code table.
The integrated data model data hierarchy table is to merge in the level of data Layer to data, and the table is complete
Cover the data Layer information of all data；
The integrated data model data hierarchy table merges data in attribute level, which covers data
Attribute item field information, and provide the contrast relationship of attribute item and data Layer, attribute item title, attribute item data type, attribute
The attribute information classification of different data is incorporated into integrated data model by the bind field of item；
The integrated data model element code table carries out fusion for classification to data in element level, which covers
All element codes are sorted out, and integrated data model data hierarchy table are subdivided into greatly by whole element codes of all data
Class, middle class, group；
Integrated data model transcoded data table includes that the data of old plant data conversion to new standard data compare pass
System, by the contrast relationship by old plant data conversion to new standard.
Further, each layer data in the integrated data model data hierarchy table respectively with integrated data model
Multiple element codes in element code table are corresponding, and each of integrated data model element code table code is comprehensive
Closing in data model data hierarchy table has unique corresponding layering, integrated data model element code table and integrated data mould
Type attribute structure table is the relationship of multi-to-multi, each code has a variety of attributes in integrated data model element code table
Value Data, all there are each attribute value data multiple codes to embody in integrated data model attribute structure table.
It further include the construction method based on many body system Fundamental Geographic Information Data benchmark model, specific step is as follows,
5) initial data for needing to convert fusion is pressed into task partition, be uniformly stored in respective data set；
6) original organizational form of initial data " data Layer-data classification-element code-attribute value " is broken up " to want
The form of plain code-attribute value "；
7) initial data unique elements code and " the code conversion table of comparisons " are contrasted, then answers element band attribute item
System enters in new data set；
8) by all element codes of new data set according to affiliated big defined in integrated data model element code table
New data Layer is established in class merging, and data Layer is established standard and executed according to integrated data model data hierarchy table, data layer attributes
Field setting is executed according to integrated data model attribute structure table, forms final performance data.
3. beneficial effect
The invention proposes a kind of data base models of synthesis, can be by lengthy and jumbled various and standard skimble-scamble more periods
Fundamental Geographic Information Data merged, for data integrated management, using, mutually conversion provides the foundation, prevent information lonely
The appearance of island phenomenon is also convenient for verification and analysis of the user to historical data, is a kind of practical data base model.
Detailed description of the invention
Fig. 1 is the flow chart of the construction method of the invention based on many body system Fundamental Geographic Information Data benchmark model.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention；Technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description；Obviously；Described embodiments are only a part of the embodiments of the present invention；Instead of all the embodiments, it is based on
Embodiment in the present invention；It is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment；It shall fall within the protection scope of the present invention.
The present embodiment is with " first phase data standard " " second phase data standard " and " third phase data standard " data fusion
For constructing many body system geographic information data benchmark model, explanation is unfolded to the present invention.
1. data variance is analyzed
(1) first phase data are 45 layers total, and second phase data are 47 layers total, and third phase data are 34 layers total.Main change
Are as follows: the second phase is arranged highway as independent stratum, and the third phase no longer sets independent annotation layer, Fundamentals of Mathematics layer；Highway
(including highway line layer, highway surface layer) is brought into road layer；Boundary marker, upright stone tablet (point) layer are not re-used as independent stratum and set
It sets；Vegetation and soil layer are established as vegetable layer and soil layer respectively.
(2) there is variation in hierarchical attribute item.Such as: the TYPE attribute item of water system point " mine/temperature/spray// underground heat " no longer
Retain；Road layer R1-R5 road codes attribute item merges into SHRN and shares route number attribute item.
(3) Data Elements code becomes 6 codes from 7 codes, and contrast relationship is not present in data encoding.
2. aggregation of data
Based on many body system Fundamental Geographic Information Data benchmark model with comprehensive, accurate for creation principle, in order to as far as possible
Fused data difference can manage use convenient for the data of various criterion under unified standard, which includes three table texts
Part: integrated data model data hierarchy table, integrated data model attribute structure table, integrated data model element code table are (respectively
For table 1, table 2, table 3).These three tables merge data from different level, successively progressive, finally make three issue evidences
It can unite.In order to carry out data conversion, the code conversion table of comparisons is created, see Table 4 for details
Integrated data model data hierarchy table is to merge in the level of data Layer to data, which completely covers
Data are carried out comprehensive conclusion in the level of data Layer by the classification map of this table by the data Layer information of three issue evidences,
It is layered again after solving the problems, such as data fusion.
Integrated data model attribute structure table is to merge in attribute level to data, which covers three issue evidences
Attribute field information, and define the contrast relationship of attribute item and data Layer, attribute item title, attribute item data type, belong to
Property item bind field (M is required field, C be condition required field, O be select word filling section), give the description of attribute item
Information, convenient for users to understanding.By the classification map of this table, the classification of the attribute information of data by stages can be incorporated into comprehensive
It closes in data model, the attribute information subsumption problem after solving data fusion.
Integrated data model element code table is to carry out fusion for classification to data in element level, which covered for three phases
Whole element codes of data.The standard summary method of three issue evidences, by the data hierarchy in table 1 be subdivided into major class,
Middle class, group facilitate data search and application so that each element code has its classification.Element code tool in the table
There is uniqueness, i.e. each element code corresponds to unique type of ground objects.Code value, corresponding ground name are given in table
Title, the layering of corresponding element, representation method, property content, attribute fill request.The table and integrated data model data hierarchy
Table is many-to-one relationship, i.e., for each layer data in data hierarchy table, can find in element code table and its phase
Corresponding multiple element codes；For each of element code table code, and can be found in data hierarchy table unique
Corresponding layering.The table and attribute structure table are the relationships of multi-to-multi, and contain that there are many attribute value numbers for each code
According to each attribute value data all has embodiment in multiple codes.
Three above list file is associated with two-by-two, mutual phase mapping, is collectively constituted based on many body system Fundamental Geographic Information Data base
Quasi-mode type.
The code conversion table of comparisons is the indispensable list file of data conversion, this table summarizes old plant data conversion to new standard
The data contrast relationship of data, can will be below old plant data conversion to new standard by this mapping relations.
3. data fusion
Handover raw data coordinate system is defaulted as 2000 national earth coordinates, using geographical coordinate, latitude and longitude coordinates value
With " degree " for unit, is indicated with double-precision floating points, retain 9 decimals.Height datum: 1985 state height benchmark, elevation system
For system to be normal high, elevation coordinate unit is " rice ".
Initial data coordinate system is consistent with performance data, if inconsistent, first to carry out coordinate system conversion operation, be not added herein
It repeats.Then following steps are carried out:
1) data for needing to convert fusion are pressed into task partition, is uniformly stored in respective ARCGIS GEODATABASE data
It concentrates, using File GeoDataBase mode.
In the present embodiment, task data collection shandong.gdb file is created.
2) the original organizational form of initial data " data Layer-data classification-element code-attribute value " is broken up as " element
The form of code-attribute value ".
It is equipped with first phase data 115.gdb file in the present embodiment, content structure level is respectively as follows: 115.gdb-
CPTP -1103011 (code)-attribute item.It is broken up as 115.gdb -1103011 (code)-attribute item form.
If initial data is that second phase data or third phase data, process are identical.
3) initial data unique elements code value and " the code conversion table of comparisons " are contrasted, for that " can correspond "
Element code, element is copied into new data set with attribute item, and data code is changed to fresh code.For not having
The element code for finding direct contrast relationship will according to the corresponding relationship in " integrated data model element code table " (table 3)
Element is written in new data set with attribute duplication.
In the present embodiment, there is corresponding generation at " the code conversion table of comparisons " for " 1103011 " code in 115.gdb
Code " 110301 ", belongs to CPTP layers.The point band attribute item that code is " 1103011 " is copied to shandong.gdb text by us
Under part in CPTP layers, its code is changed to " 110301 ".For " 1101011 " code in 115.gdb, in " code conversion pair
According to table " do not correspond to code, then according to the corresponding relationship in " integrated data model element code table ", element band attribute is answered
It makes under shandong.gdb file in CPTP layers.Specified otherwise: for merging the case where converting, such as in " code conversion control
" 2506011 ", " 2506012 " code are corresponding " 250601 " in table ", after carrying out above-mentioned duplication conversion, category after conversion
" single " " in blocks " is filled in respectively in property item.
4) by all element codes of new data set according to affiliated big defined in integrated data model element code table
Class merges, and establishes new data Layer, and data Layer is established standard and executed according to integrated data model data hierarchy table, data Layer category
Property field setting according to integrated data model attribute structure table execute, form final performance data.
In the present embodiment, the layers such as CPTP, CPTL, CANP, HISA, HYDA are created under shandong.gdb file,
CPTP layers have GB, NAME, RTEG, ELEV, F_GUID, F_TIME comprising attribute item, and type is respectively set to Long
Integer,Text,Text,Double,Text,Text.All elements in " 110301 " code are sorted out into CPTP layers,
Remaining code and so on, final result are " shandong.gdb-CPTP -1103011 (code)-attribute item " shape
Formula.It converts.
1 integrated data model data hierarchy table of table
2 integrated data attribute structure table (part) of table
3 integrated data element code table (part) of table
The 4 code conversion table of comparisons of table
Claims (4)
1. one kind is based on many body system Fundamental Geographic Information Data benchmark model, which is characterized in that including integrated data model data
Layered sheet, integrated data model attribute structure table, integrated data model element code table and integrated data model code conversion number
According to table,
The integrated data model data hierarchy table is to merge in the level of data Layer to data, which is completely covered
The data Layer information of all data；
The integrated data model data hierarchy table merges data in attribute level, which covers the attribute of data
Field information, and provide the contrast relationship of attribute item and data Layer, attribute item title, attribute item data type, attribute item
The attribute information classification of different data is incorporated into integrated data model by bind field；
The integrated data model element code table carries out fusion for classification to data in element level, which covers all
Whole element codes of data, by all element codes sort out, and by integrated data model data hierarchy table be subdivided into major class, in
Class, group；
Integrated data model transcoded data table includes data contrast relationship of the old plant data conversion to new standard data, is led to
The contrast relationship is crossed by old plant data conversion to new standard.
2. according to claim 1 a kind of based on many body system Fundamental Geographic Information Data benchmark model, which is characterized in that institute
The each layer data in integrated data model data hierarchy table stated respectively with it is multiple in integrated data model element code table
Element code is corresponding, and each of integrated data model element code table code is in integrated data model data hierarchy table
In there is unique corresponding layering, integrated data model element code table and integrated data model attribute structure table are multi-to-multis
Relationship, each code has a variety of attribute value datas, integrated data model attribute in integrated data model element code table
All there are each attribute value data multiple codes to embody in structure table.
3. according to claim 1 a kind of based on many body system Fundamental Geographic Information Data benchmark model, which is characterized in that also
Including the construction method based on many body system Fundamental Geographic Information Data benchmark model, specific step is as follows,
1) initial data for needing to convert fusion is pressed into task partition, be uniformly stored in respective data set；
2) original organizational form of initial data " data Layer-data classification-element code-attribute value " was broken up as " element generation
The form of code-attribute value "；
3) initial data unique elements code and " the code conversion table of comparisons " are contrasted, is then copied into element band attribute item
Enter in new data set；
4) all element codes of new data set are closed according to affiliated major class defined in integrated data model element code table
And new data Layer is established, data Layer is established standard and is executed according to integrated data model data hierarchy table, data layer attributes field
Setting is executed according to integrated data model attribute structure table, forms final performance data.
4. according to claim 3 a kind of based on many body system Fundamental Geographic Information Data benchmark model, which is characterized in that institute
The initial data stated is using 2000 national earth coordinates.
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Application publication date: 20190104 |