CN100392655C - National geologic maps data model system - Google Patents
National geologic maps data model system Download PDFInfo
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- CN100392655C CN100392655C CNB2006100013223A CN200610001322A CN100392655C CN 100392655 C CN100392655 C CN 100392655C CN B2006100013223 A CNB2006100013223 A CN B2006100013223A CN 200610001322 A CN200610001322 A CN 200610001322A CN 100392655 C CN100392655 C CN 100392655C
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Abstract
The present invention relates to a national geologic map type data model system which comprises a geologic map type data model unit, a geologic map type space database, a projector, a format converter, a common type interface, a safety verification unit and a geologic map type operation unit. The system has the advantages that (1)a data model of the present invention is a domain data model rather than a data model which aims at a certain item definition, and thus, the consistency of data semantic description in a domain is ensured; (2) the geological map type data model which does not relates to a dimension scale is achieved; (3) the problem of unreasonable topological relationships brought by layers in the past is solved; (4)the problem of the maintenance and the expansion of the non-spatial entity data organization are solved; (5) a multi-object spatial database instead of single-project database can be organized by various relationships for different users, different requirements and different layers; (6)The user can expands spatial data by succession in personalization, and thus, the requirements of application are satisfied.
Description
Technical field
The present invention relates to the geologic examination field, especially relate to a kind of national geologic maps data model system.
Background technology
Data model is the contact between a kind of data (entity) and the formalized description of relevant semantic constraint rule, and generally, what the content of data model specified data, structure, behavior and semanteme wherein, content-definedly should comprise, what does not comprise; Relation between the structrual description data; Behavior is represented with executable operation; Semantic then the validity of Attribute domain is retrained, as data type, span (comprising code range) and default value etc.With regard to the geology enquiry data, in data with existing model or modeling, owing to lay particular emphasis on the modeling of project demands, add and be subjected in the individual database technology limitation, make data modeling in the field in data (entity) itself, the contact between the data (entity) and the formalized description of relevant semantic constraint rule, the content of data model specified data, structure, the description that is lack of consistency of behavior and semantic aspect, this common understanding that has influenced to a certain extent for the geological sciences data provides the basis, and it is also quite limited to make data model be designed to be fit to the ability of various data structures.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of national geologic maps data model system is provided, this system can select and limit and formulate the earth science data application specific standard, and reaches the complete purpose of setting up earth science data model basis content standard by expanding and comprising the mode of setting up application model.
National geologic maps data model system of the present invention comprises: geologic map class data model unit, geologic map space-like database, mapper, format converter, common class interface, safety demonstration unit and geologic map generic operation unit.
Described geologic map class data model unit is divided into fundamental module, comprehensive key element module and object module.The key element here is meant the spatial entities data, and object is meant the non-space solid data that is associated with geology face key element, and the fundamental module comprises the spatial entities data of basic geology point, line, surface; The comprehensive key element module is made up of the spatial entities data of compound geology point, line, surface.
Described geologic map space-like database storing has the geologic map class data that consistance is described.
Each data in the described mapper realization geologic map class data model unit are to the mapping of the geologic map space-like database with consistance description.
Described format converter is realized the geology raw data conversion back of various different-formats is imported geologic map class data model unit.
Described common class interface comprises: factor kind graphics process interface, factor kind attribute Processing Interface, object class Processing Interface and relation rule Processing Interface, wherein, factor kind graphics process interface provides graphic presentation, editor and the topology rule constructing function of factor kind; Factor kind attribute Processing Interface is used to realize the topological operating function of factor kind data attribute; The object class Processing Interface is used to realize the topological operating function of object class data attribute; The relation rule Processing Interface provides the constructing function of the relation between factor kind and factor kind, factor kind and the object class.
Described safety demonstration unit provides the checking to the safe and effective processing of the geologic map class data in the database of geologic map space-like.
Described geologic map generic operation unit is used to realize data input mutual between user and managerial personnel and the system, renewal, deletion and browse operation function, the user can propose the retrieval request of an object class, behind safety demonstration, satisfy the object class data of search condition and return to the user in the allocating object class Processing Interface operation geology map space database.
National geologic maps data model system of the present invention has following advantage: (1) this data model is a domain data model, is not the data model at certain project definition, thereby guarantees the consistance that data semantic is described in the field; (2) realized and the irrelevant geologic map class data model of engineer's scale; (3) solved figure layer of irrational problem of being brought of topological relation in the past; (4) solved the maintenance and expansion problem of the data organization of non-space entity.(5) by various relations, can be organized into towards the multiobject spatial database of different user, different demand, different levels, rather than the database of single project; (6) user can adopt to inherit and realize personalized expansion spatial data, satisfies application demand.
Description of drawings
With embodiment national geologic maps data model system of the present invention is described in further detail with reference to the accompanying drawings.
Fig. 1 is the general structure synoptic diagram of national geologic maps data model system of the present invention;
Fig. 2 is the structural representation of geologic map class data model unit of the present invention;
Fig. 3 is the functional schematic of mapper of the present invention;
Fig. 4 is the structure function synoptic diagram of format converter of the present invention;
Fig. 5 is that common class interface of the present invention is realized the structure function synoptic diagram that factor kind graphics process and factor kind attribute are handled;
Fig. 6 is that common class interface of the present invention is realized the structure function synoptic diagram that object class is handled and relation rule is handled;
Fig. 7 is the subtype graphic data structure synoptic diagram that common class interface of the present invention is introduced;
Embodiment
National geologic maps data model system shown in Figure 1 comprises: geologic map class data model unit, geologic map space-like database, mapper, format converter, common class interface, safety demonstration unit and geologic map generic operation unit.Wherein, geologic map class data model unit stores factor kind geologic data and object class geologic data, mainly is divided into fundamental module, comprehensive key element module and three parts of object module; Mapper is mapped as described factor kind geologic data and object class geologic data to have the geologic map class data that consistance describes and is stored in the database of geologic map space-like; By format converter, managerial personnel can import geologic map class data model unit with the geology raw data of various different-formats conversion back, thereby have realized the continual renovation of the data in the geologic map class data model unit and perfect; The common class interface carries out respectively to the geologic map class data in the database of geologic map space-like that factor kind graphics process, factor kind attribute are handled, object class is handled and thereby relation rule is handled the maintenance and expansion problem of the data organization that has solved irrational problem of topological relation that figure layer tissue data are in the past brought and non-space entity; The safety demonstration unit is again to safe and effective checking of these geologic map class data; At last, by geologic map generic operation unit, user and managerial personnel will and system between function such as realize that mutual data are imported, upgrade, delete and browsed.
As shown in Figure 2, geologic map class data model unit of the present invention mainly is divided into: fundamental module, comprehensive key element module and object module.Wherein, the fundamental module is made of ground particle, face, line feature class (spatial entities data), and geology line feature class comprises geology (boundary) line, river, lake, seawater storehouse water front; Geology face factor kind is meant geology dignity entity; Ground particle factor kind comprises dyke rock (point), alteration (point), orefield (point), occurrence, sample, shooting (photo), sketch, fossil, isotope survey year, crater, boring, spring; As seen from the figure, ground particle factor kind and geology line feature class can be the ingredients of geology face factor kind.The comprehensive key element module is made of compound ground particle, face, line feature class, comprise structural deformation band, alteration zone (face), rotten facies tract, migmatization band, mineralized belt, volcanics facies tract, major landslip (avalanche) body, standard picture frame (interior picture frame), as seen from the figure, geology face factor kind can be the ingredient of comprehensive key element module.Object module is made of object class (non-space solid data), comprise deposition (volcano) rock rock-stratigraphic unit, irruptive rock chronolith, irruptive rock pedigree unit, metamorphosed rock ground (rock) layer unit, distinguishingly plastid, informal unit, tomography, dyke rock (face), Desert of Gobi, glacier and accumulated snow, planar waters and marsh, irruptive rock pedigree unit, irruptive rock chronolith all the year round, as seen from the figure, the description of object module is to be mutually related with geology face factor kind.
As shown in Figure 3, mapper is mapped as the geologic map class data with consistance description with factor kind geologic data in the geologic map class data model unit and object class geologic data and is stored in the database of geologic map space-like: the relation of describing fundamental module and object module by related, combination, succession, by relying on the relation of describing comprehensive key element module and fundamental module, the dependence is here caused by the semanteme of object, but relevant with the space, this relation can only be based upon between the factor kind; The incidence relation here is meant the mutual independence between a plurality of objects, and does not have dependence; The syntagmatic here is meant that the life cycle of an object controls the life cycle of another object, and promptly an object is deleted, and message passes to relevant object, and relevant object is also with deleted; The inheritance here is meant that the purpose object inherits some of primary object or whole features, and therefore, mapper has realized that the consistance of factor kind data and object class data mutual relationship describes.
As shown in Figure 4, for the continual renovation that realizes data in the geologic map class data model unit and perfect, managerial personnel import geologic map class data model unit by format converter with the geology raw data conversion back of various different-formats.Format converter is realized above function by the mutual relationship and the cutting techniques of spatial granularity, description granularity, semantic granularity and storage granularity, and " granularity " here can be that mineral also can be rocks, and it mainly describes the locus feature of geologic body.Described spatial granularity is reflected on the yardstick of point, line, surface; Described semantic granularity mainly refers to describe a geologic body and can be described from different spaces and attribute angle; Described description granularity mainly is reflected in according to different engineer's scale situations the specializing of the space of geologic body and attribute description, and when small scale, gets final product with the stratum unit description, under large-scale condition, then can be described to concrete rock section; Described storage granularity mainly refer in data model by related, rely on, the geologic map class object is described in combination and inheriting and the data result collection (comprising relevant academic knowledge) of behavior, relation, like this, the geology raw data of different-format has realized data model and the irrelevant purpose of engineer's scale by format converter.
Common class interface shown in Figure 5 has dealt with the irrational problem of topological relation that past figure layer tissue data are brought by factor kind Flame Image Process and attribute.In geology, topology is meant the character that figure continues to have under the continually varying situation, such as a geologic body with geological boundary as its border, then the character of geological boundary changes howsoever, geologic body all with this geological boundary as its border, therefore, topology mainly is to be used for guaranteeing the quality of data, allow to represent more realistically geologic map space-like entity, as shown in the figure, geologic body and its geological boundary as the border, in the figure layer data structures shown in the on the left side, layering " geological boundary " and " geologic body " two-layer storage, need store geological boundary at " geologic body " this one deck as the border, if geological boundary changes, then must revise the two-layer information of safeguarding simultaneously, in the data structure that employing factor kind is on the right handled, then be divided into " geology dignity entity " and " geological boundary " two factor kinds, realize on the border of geology dignity entity factor kind " geological boundary " by reference, like this when the geology boundary line changes, just only need safeguard that the information of geological boundary gets final product, like this, can more neatly simulate a series of geometric relationships than the past by the mode of figure layer data structures by the topological relation that the image and the attribute of factor kind are handled the geologic map class data that realize, and can also reasonably solve the artificial property that classification and spatial data are expressed, thereby association integrity effectively between the service object and consistance.
Common class interface shown in Figure 6 has dealt with the maintenance and expansion problem of the data organization of non-space entity by object class processing and relation rule, as shown in the figure, certain geology dignity entity has comprised the attribute information of this object class by the affiliated partner class, thereby it is more comprehensive that this geology dignity attributes of entities is described, and these object class can be: deposition (volcano) rock rock-stratigraphic unit, the irruptive rock chronolith, irruptive rock pedigree unit, metamorphosed rock ground (rock) layer unit, plastid distinguishingly, informal unit, dyke rock (face), the Desert of Gobi, glacier and accumulated snow all the year round, planar waters and marsh, the map sheet essential information.Geology (boundary) line also can be related with the tomography object class by this kind mode, and the user can also meet the new object class attribute of application need by the expansion of relations such as association, succession on the basis of geologic map class object class when realizing using.
As shown in Figure 7, through of the processing of common class interface, produce and introduce the notion of the subtype of geology point, line, surface factor kind and object class to factor kind data and object class data.The subtype of ground particle, face, line feature class, be meant that all objects of factor kind have identical behavior and attribute (attribute is the feature of object), but not all object is shared identical Attribute domain (Attribute domain is the rule of attribute effective value, is used to limit the value that the specific object of object allows).When the object of a factor kind uses different Attribute domains, use the subtype of the object in different attribute territory with regard to inscape class or table.The subtype of an object is by its subtype code value decision, the subtype code with the integer field store factor kind or the table in, each subtype can have its default value set and Attribute domain in given field, and is associated with different concatenate rules.When needs pass through default value, Attribute domain, concatenate rule, when relation rule is distinguished object, just need set up different subtype to single factor kind or table.If when distinguishing object, must set up other factor kind according to different behaviors, attribute, access rights or object.Factor kind, object class all have subtype separately.As shown in the figure, factor kind " fossil ", has attribute " fossil output layer position ", its property value has following two kinds of situations: the fossil that gather on the geology route (1), its layer position filled in by rock-stratigraphic unit's (as group, section) by the fossil output, (2) fossil of gathering on geologic section is filled in its layer position by rock-stratigraphic unit's (as group, section), layering level number and the layering position of fossil output.Like this, the subtype of fossil can be divided into " 1 " and " 2 ",, make national geologic maps data model system of the present invention to possess to be designed to the ability that is fit to various data structures by the subtype graph data according to above-mentioned two kinds of situations.
Above-described only is preferred implementation of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the principle of the invention, can also make some modification and improvement, these also should be considered as belonging to protection scope of the present invention.
Claims (1)
1. a national geologic maps data model system is characterized in that: comprising: geologic map class data model unit, geologic map space-like database, mapper, format converter, common class interface, safety demonstration unit and geologic map generic operation unit;
Described geologic map class data model unit is divided into fundamental module, comprehensive key element module and object module, the key element here is meant the spatial entities data, object is meant the non-space solid data that is associated with geology face key element, and the fundamental module comprises the spatial entities data of basic geology point, line, surface; The comprehensive key element module is made up of the spatial entities data of compound geology point, line, surface;
Described geologic map space-like database storing has the geologic map class data that consistance is described;
Each data in the described mapper realization geologic map class data model unit are to the mapping of the geologic map space-like database with consistance description;
Described format converter is realized the geology raw data conversion back of various different-formats is imported geologic map class data model unit;
Described common class interface comprises: factor kind graphics process interface, factor kind attribute Processing Interface, object class Processing Interface and relation rule Processing Interface, wherein, factor kind graphics process interface provides graphic presentation, editor and the topology rule constructing function of factor kind; Factor kind attribute Processing Interface is used to realize the topological operating function of factor kind data attribute; The object class Processing Interface is used to realize the topological operating function of object class data attribute; The relation rule Processing Interface provides the constructing function of the relation between factor kind and factor kind, factor kind and the object class;
Described safety demonstration unit provides the checking to the safe and effective processing of the geologic map class data in the database of geologic map space-like;
Described geologic map generic operation unit is used to realize data input mutual between user and managerial personnel and the system, renewal, deletion and browse operation function.
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| CN104008167B (en) * | 2014-05-30 | 2017-11-28 | 中国地质调查局发展研究中心 | A kind of geologic map banking process that geologic body is described using single key element |
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