CN103399964B - Mapping method and mapping system supporting earth observation data metadata registry - Google Patents
Mapping method and mapping system supporting earth observation data metadata registry Download PDFInfo
- Publication number
- CN103399964B CN103399964B CN201310373435.6A CN201310373435A CN103399964B CN 103399964 B CN103399964 B CN 103399964B CN 201310373435 A CN201310373435 A CN 201310373435A CN 103399964 B CN103399964 B CN 103399964B
- Authority
- CN
- China
- Prior art keywords
- observation data
- information
- data
- metadata
- mapping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
The invention relates to a mapping method and a mapping system supporting the earth observation data metadata registry. The method comprises the following steps: firstly, establishing a registry information model for storing observation data metadata information, to be specific, establishing a registry packet for establishing the observation data metadata registry information model; establishing an exterior object class of the registry information model according to observation data metadata registry objects; establishing a relationship class of the registry information model according to the mutual relationship among the observation data metadata objects; establishing a classification architecture of the registry information model according to the classification information of the observation data metadata; establishing an expanded attribute class of the registry information model according to the association attributes of the observation data metadata; secondly, establishing a mapping relation from the observation data metadata information model to the registry information model, to be specific, establishing a mapping flow from the observation data metadata information model to the registry information model; establishing the type mapping of the observation data metadata type and a mapping object; establishing the attribute mapping from the attribute of the observation data metadata to the registry objects.
Description
Technical field
The present invention relates to wisdom earth geography information services field, more particularly, to a kind of support earth observation data element
The mapping method of data register and system.
Background technology
Earth observation sensing network technology constantly develops, and the earth observation data that sensor obtains is varied, according to application
Field and the difference of observation mechanism, define different types of earth observation data, mainly include optics, air, survey high, air
The earth observation data of side, radar and synthesis.These observe the description of data metadata in addition to general essential information,
For different special topics, also there is the specific characteristic information observing data.The description of observation data metadata mainly includes observing
Basic identification information, data acquisition relevant information, processing information, scope information, observation coverage area information and observation
Result.OGC（Open Geographic Information System association）Descriptive model and the framework of observation data metadata are formulated（List of references
1）, this observation data metadata information model by observe data metadata be divided into general earth observation data and special topic to see over the ground
Survey data, it contributes to existing distributed observation data resource and obtains effective Share and interoperability.Observation data metadata
Registration with find significant for the management of earth observation resource, be easy to related resource real-time access,
Cloth and high-efficiency management, thus meet comprehensive in earth observation, should the diversified demand such as acute.
In order to realize the management of Geo- spatial metadata information, OGC proposes CSW (OGC Catalog Service for
Web) specification（Referring to document 2）, can be used for the first number issued and retrieve with regard to geographical spatial data, service and related resource
According to.According to the common interface of directory service definition, can bind with application-specific and its metadata information model, effectively apply
In geospatial information resource（Referring to document 3）.Using related Directory Service Interface, it is possible to achieve the registration of observation data,
Browse and find.Because registration service has specific information modeling mode, employ the log-on message model of specification, such as
OASIS（Structured message standard evolution is organized）The ebRIM formulating（ebXML Registry Information Model）（Ginseng
Examine document 4）, need to set up observation data metadata information model to the mapping relations of log-on message model.
At present, GEOSS（global earth observation system of systems）Registry
Publication Portal（List of references 5）Can carry out resource essential information, contact details, observability, shared information, when
Empty information etc. relevant information management, registration and find, towards data resource more comprehensive, polytype resource can be carried out
Registration, but cannot be registered for earth observation data metadata.SSE（Service Support Environment）
（List of references 6）Provide the environment of multiple data, services, including general data, services（At data retrieval and satellite image
Reason etc.）And Special Topic Service（Atmospheric monitoring, monitoring water environment, forest monitoring and land use monitoring etc.）, towards earth observation number
According to, can apply to multiple applications, but inadequate for the support observing data metadata management.HMA
（Heterogeneous Mission Accessibility）（List of references 7）Using network service architectures design, there is provided mesh
Record service, subscription service, programming service, mission planning service and online data access service.Wherein, directory service is according to OGC
The framework of middle earth observation metadata is built（List of references 8）It is achieved that adding related extended attribute to registration model,
Add request and feedback information for each product type, have changed two operations in OGC CSW, support earth observation unit number
According to search and inquiry, do not support the parsing of satellite image metadata, the editor of metadata and issue in ISO.ERDAS
APOLLO professional version provides the strong geographical disposal ability of powerful interactivity and vector edition function, not only can manage, share,
Issue magnanimity geographical spatial data, do not support parsing and the inquiry of earth observation and sensor metadata.
Comprehensive analysis, there is problems with current observation data metadata registration service：（1）Using log-on message mould
The registration of earth observation data metadata do not supported by type, such as SSE.（2）The observation data metadata information of registration is incomplete.As,
The registration of earth observation Satellite image metadata is not supported in HMA.For another example, the support that GEOSS registers for data resource is relatively
For comprehensive, but the key character information of description earth observation data metadata that cannot be detailed, such as earth observation data is related
Platform, instrument, sensor and orbit information etc..When the inquiry needing to carry out relevant information it is impossible to meet user's request.
Document 1：Gasperi,J.,Houbie,F.,Woolf,A.,Smolders,S.,Earth Observation
Metadata profile of Observations&Measurements OpenGIS catalogue services
specification.Open Geospatial Consortim Inc Implementation Standard OGC10-
157r3,2012;
Document 2：Nebert,D.,Whiteside,A.,Vretanos,P.,OpenGIS catalogue services
specification.Open Geospatial Consortim Inc Public Disscussion Paper OGC07-
006r1,2007;
Document 3：Chen,N.;Di,L.;Yu,G.;Gong,J.;et.al.,Use of ebRIM-based CSW with
sensor observation services for registry and discovery of remote-sensing
observations.Computers& Geosciences.2009,35(2):360-372;
Document 4：Martell R.,CSW-ebRIM Registry Service-Part1:ebRIM profile of
CSW.Open Geospatial Consortium Inc.Extension OGC07-110r4.53pp,2009;
Document 5：GEOSS,GEOSS Registry Publication Portal.Available:https://
geossregistries.info/geosspub/main.jsp,(August9,2013)
Document 6：SSE,Service support environment.Available:http://
services.eoportal.org/index.jsp,(August9,2013)
Document 7：HMA,Heterogeneous Mission Accessibility.Available:
http://earth.esa.int/hma/where.html,(August9,2013)
Document 8：Houbie,F.,Skivee,F.,Cataloguing Earth Observation Products for
ebXML Registry Information Model3.0based Catalogues.Open Geospatial Consortim
Inc Best Practice OGC10-189r2,2012
Content of the invention
For the problems referred to above, the present invention devise observation data metadata log-on message model based on ebRIM it is proposed that
A kind of mapping method supporting earth observation data metadata registry and system, contribute to observing the accurate discovery of data metadata
And high-efficiency management.
The technical solution used in the present invention provides a kind of mapping method supporting earth observation data metadata registry, including
Following steps：
Step 1, builds the log-on message model of storage observation data metadata information, including following sub-step,
Build the registration packet of observation data metadata log-on message model；
According to observation data metadata registration object, build the external object class of described log-on message model；
According to the mutual relation between observation data metadata object, build the relation object of described log-on message model；
According to the classification information of observation data metadata, build the classification framework of described log-on message model；
According to the association attributes of observation data metadata, build the extended attribute class of described log-on message model；
Step 2, builds observation data metadata information model to the mapping relations of log-on message model, including following sub-step
Suddenly,
Build observation data metadata information model to the mapping flow process of log-on message model；
Build observation data metadata type and the Type mapping of registration object；
Build observation data metadata attribute to the attribute mapping of registration object.
Technical scheme also provides a kind of mapped system supporting earth observation data metadata registry, including with
Lower device：
For building the device of the log-on message model of storage observation data metadata information, further include,
For building the device of the registration packet of observation data metadata log-on message model；
For building the device of the external object class of log-on message model；
For building the device of the relation object of log-on message model；
For building the device of the classification framework of log-on message model；
For building the device of the extended attribute class of log-on message model；
For building the device of the observation mapping relations to log-on message model for the data metadata information model, wrap further
Include,
For building observation data metadata information model to the device of the mapping flow process of log-on message model；
For building the device of the Type mapping of observation data metadata type and registration object；
For building observation data metadata attribute to the device of the attribute mapping of registration object.
The model that the present invention solves existing observation data registration service employing is not supported to observe data register and registration
The incomplete problem of related data, construct support earth observation data metadata log-on message model, devise over the ground
Observation data metadata information model is to the mapping relations of log-on message model.More existing registration service, registers in the present invention
Method supports registration and the management of earth observation data metadata, and the efficient registration for earth observation data finds to provide with accurate
Support it was demonstrated that it is practical reliable method in the management of earth observation data efficient.Deposited using technical solution of the present invention
The information of the observation data metadata of storage is more perfect.In the register method of the present invention, the design of correlation map relation is applicable not only to
General observation data metadata, applies also for special topic observation metadata, is easy to observe the use of data, meets the need of user
Ask, contribute to observing accurately quickly finding of data.
Brief description
Fig. 1 is the flow chart building observation data metadata registration provided in an embodiment of the present invention.
Fig. 2 is the observation data register information model flow chart that the embodiment of the present invention builds.
Fig. 3 is the registration packet schematic diagram of observation data metadata log-on message model provided in an embodiment of the present invention.
Fig. 4 is the relation schematic diagram of observation data metadata log-on message model provided in an embodiment of the present invention.
Fig. 5 is observation data metadata information model provided in an embodiment of the present invention to log-on message model mapping step
Schematic diagram.
Fig. 6 is the flow process that observation data metadata information model provided in an embodiment of the present invention maps to log-on message model
Figure.
Specific embodiment
Directory service can be efficiently applied to geospatial information resource, such as the retrieval of observation data metadata and management, can
With application-specific and its binding of metadata information model, form content and the function meeting itself needs, inquiry etc. is externally provided
Service.The present invention builds the log-on message model that can store observation data metadata information, design observation data metadata letter
Breath model, to the mapping relations of log-on message model, supports the registration of observation data metadata.
Below with specific embodiment and combine accompanying drawing the invention will be further described.
Ask for an interview Fig. 1, Fig. 2, Fig. 5, the technical solution used in the present invention is：A kind of support earth observation data metadata note
The mapping method of volume, comprises the following steps
Step 1：Build the log-on message model of storage observation data metadata information；Step 1 also includes following sub-step：
Step 1.1：Build the registration packet of observation data metadata log-on message model；
Step 1.2：According to observation data metadata registration object, build the external object of described log-on message model
Class；
Step 1.3：According to the mutual relation between observation data metadata object, build described log-on message model
Relation object；
Step 1.4：According to the classification information of observation data metadata, build the box of described log-on message model
Structure；
Step 1.5：According to the association attributes of observation data metadata, build the extended attribute of described log-on message model
Class；
Step 2：Build observation data metadata information model to the mapping relations of log-on message model；Step 2 also includes
Following sub-step：
Step 2.1：Build observation data metadata information model to the mapping flow process of log-on message model；
Step 2.2：Build observation data metadata type and the Type mapping of registration object；
Step 2.3：Build observation data metadata attribute to the attribute mapping of registration object.
Embodiment to implement flow process as follows：
Step 1.1：Build the registration packet of observation data metadata log-on message model；
Observation data metadata log-on message model storage finds the element needed for observation data.Earth observation data element number
It is believed that needing the related content registered to be stored in registration packet in breath（Registry Package）In.In log-on message model
In, related object can be integrated in registration packet example.Registration for the ease of earth observation data metadata represents
It is easier to manage, the related definition in registration packet is classified in registration packet.Registration packet stores the registration of all correlations
Object（RegistryObject）With relative Property Name, registration packet schematic diagram is as shown in Figure 3.
Main external object " EOBasic " in model（Comprise the essential information of earth observation data metadata）, in such as Fig. 3 1.
Shown.The external object related to main object, as 2. included in Fig. 3：Obtain platform objects
" EOAcquisitionPlatform " includes obtaining the platform information of earth observation data；Archives data object
" EOArchivingInformation " includes the attribute information of observation archives data；Observation data product object
" EOProductInformation " includes the product information of observation data；The object of observation data cover information
" EOMaskInformation " includes the coverage information of observation data；The object of observation browsing data information
" EOBrowseInformation " include observation data browse information；Map data mining platform " EODataLayer " bag of observation data
Include the map data mining platform of observation data.Use in Fig. 3<<Association>>Represent the relation object in registration packet, main object
" EOBasic " and other objects above-mentioned are common to describe general observation data metadata, and the relation between them represents, such as Fig. 3
In 3. shown, describe in detail see step 2.3.Also include the external object of special topic observation data in addition, as 4. institute in Fig. 3
Show, external object " SAREO ", " ATMEO ", " OPTEO ", " ALTEO ", " LMBEO " and " SSPEO " represent respectively radar, air,
Optics, the observation data metadata of survey height, atmosphere side and synthesis.The external object of these special topic observation data can be by over the ground
The classification framework of observation data is classified and is identified, as shown in Figure 3.
In Fig. 3, the attribute specification of external object EOBasic is as follows：
(1) objectType represents the type of earth observation data, and such as object type is earth observation type, with over the ground
Observation（Earth Observation）English write a Chinese character in simplified form EO and represent.
(2) parentIdentifier represents the identifier of observation data set, with the description of character type String；
(3) when beginPosition and endPosition represents from date time and the Close Date of data acquisition
Between, with the description of date type Date；
(4) imageQualityDegradation represents the percentage ratio of quality degradation, and that is, linear module is ' % ', uses double essences
Degree Double description；
(5) acquisitionType represents the data acquiring mode generally using in earth observation, uses character type String
Description；
(6) acquisitionSubType is that observation data acquisition form divides in more detail.Due to acquisition described above
Form description is excessively abstract, has limited, so the definition for some specially task types is placed on the coding of particular task empty
Between, thus ensureing the accurate description of earth observation data acquisition form, with the description of character type String；
(7) orbitDirection represents the acquisition modes of orbital direction, for example, rise or fall, and uses character type String
Description；
(8) status refers to observe the state value of data, mainly includes archival state（ARCHIVED）, obtain state
（ACQUIRED）, cancel state（CANCELLED）, failure state（FAILED）, projected state（PLANNED）, sneak condition
（POTENTIAL）, disarmed state（REJECTED）, quality degradation state（QUALITYDEGRADED）, retouched with character type String
State；
(9) orbitNumber represents observation data-track number, with the description of integer int；
(10), when productType has multiple product mix type in single data set, describe product type, use word
Symbol type String describes；
(11) acquisitionStation represents the code of data acquisition or receiving station, with the description of character type String；
(12) lastOrbitNumber represents the observation data track number of last acquisition, with the description of integer int；
(13) archivingCenter represents the code at the center of archive for the data, and value is determined by particular task, uses character
Type String describes；
(14) centerOf represents the centre coordinate of data acquisition, uses geographical markup language（Geography Markup
Language, GML）Geometry in structure describes its longitude and latitude；
(15) multiExtentOf represents moonscope overlay area, typically adopts the satellite coverage area of data acquisition
Coordinate（Longitude and latitude）Description.
(16) illuminationAzimuthAngle represents solar azimuth, and unit form is degree, uses double precision
Double describes；
(17) illuminationElevationAngle represents the sun side elevation angle, and unit form is degree, uses double precision
Double describes.
Step 1.2：According to observation data metadata registration object, build the external object of described log-on message model
Class；
In ebRIM log-on message model, general earth observation data can be expressed as external object class
（Extrinsicobject）, its object type parameter identifier is " urn:ogc:def:objectType:OGC-CSW-
ebRIM-EO:EOBasic”.Wherein, urn represents that this is a uniform resource name, and ogc represents the mark adopting in OGC
Symbol, def represents definition, and objectType represents object type, and OGC-CSW-ebRIM-EO represents in the directory service CSW of OGC
Earth observation EO is represented using ebRIM.This external object class is the main object of earth observation data register information model, bag
Include the attribute information of earth observation data.Identifier in earth observation data have mapped an external object identifier
ExternalIdentifier is linked to this external object class, as 1. shown in Fig. 3.
Additional extraneous information in earth observation data, the relevant information such as obtaining platform needs to be linked to earth observation number
According to external object apoplexy due to endogenous wind.These additional metadata informations need to be stored in another kind of external object class, and and earth observation
The external object class of data is connected, and carries out the link of two objects using association.As obtained platform parameters（As put down
Platform, equipment and sensor）It is stored in external object apoplexy due to endogenous wind, its object type is " urn:ogc:def:objectType:OGC-
CSW-ebRIM-EO:EOAcquisitionPlatform”.
In the general earth observation data type of thematic earth observation Data expansion, such as optics earth observation data, such as Fig. 3
4. shown.By thematic data type according to slots（Extended attribute）Form be added to the external object class of earth observation data
In.When new thematic earth observation data occurs, the extension of log-on message model can be carried out.
Step 1.3：According to the mutual relation between observation data metadata object, build described log-on message model
Relation object；
Earth observation obtains platform exterior object class（EOAcquisitionPlatform）With main object class（EOBasic）
Connected relationship type is " urn:ogc:def:associationType:OGC-CSW-ebRIM-EO:AcquiredBy”.Close
It is that schematic diagram is as shown in Figure 4.One acquisition platform metadata set can have multiple acquisitions, so obtaining platform exterior object from EO
Class to the relation between the EO data external object class matching can be 1:The relation of n.This relation can make earth observation
Data is inquired about by the platform that gets parms.
In addition to the above relationship, the related relation of earth observation data external object class also include following several：
(1) with object type be " urn:ogc:def:objectType:OGC-CSW-ebRIM-EO::
The related relationship type of the external object class of EOProductInformation " is
“urn:ogc:def:associationType:OGC-CSW-ebRIM-EO:HasProductInformation”.
(2) with object type be " urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:
The related relationship type of the external object class of EOBrowseInformation " is
“urn:ogc:def:associationType:OGC-CSW-ebRIM-EO:HasBrowseInformation”.
(3) with object type be " urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:
The related relationship type of the external object class of EOMaskInformation " is
“urn:ogc:def:associationType:OGC-CSW-ebRIM-EO:HasMaskInformation”.
(4) with object type be " urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:
The related relationship type of the external object class of ArchivingInformation " is
“urn:ogc:def:associationType:OGC-CSW-ebRIM-EO:ArchivedIn”.
(5) with object type be " urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:DataLayer's "
The related relationship type of external object class is " urn:ogc:def:associationType:OGC-CSW-ebRIM-EO:
HasDataLayer”.It should be noted that when this relation only has observation data for air earth observation data, just existing.
Step 1.4：According to the classification information of observation data metadata, build the box of described log-on message model
Structure；
Earth observation data includes different types, can be indicated in the classification framework of log-on message model.Each
The classification planting earth observation data all may be referred to framework of classifying（ClassificationScheme）, as shown in Figure 3.See over the ground
Survey the external object class of data（ExtrinsicObject）Can be by classification（Classification）Object is connected to classification
Node（ClassificationNode）.Thus, it is possible to be observed the lookup of data by obtaining type.
According to above-mentioned analysis, extend a classification framework, i.e. general earth observation classification framework EOP, its ID is urn:
ogc:def:classificationScheme:OGC-CSW-ebRIM-EO:EOTypes:EOP, is inherited from urn:ogc:def:
classificationScheme:OGC-CSW-ebRIM-EO:EOTypes.Wherein EOTypes represents the type of earth observation.
General earth observation classification framework extends six thematic classification frameworks, as shown in Figure 3, including radar（SAR）, air
（ATM）, optics（OPT）, survey high（ALT）, atmosphere side（LMB）And synthesis（SSP）Observation data classification framework.
Step 1.5：According to the association attributes of observation data metadata, build the extended attribute of described log-on message model
Class；
The extended attribute of earth observation data, is primarily directed to the attribute character information of earth observation data, such as
BeginPosition represents the slot information of observation data acquisition initial time, and slot type is urn:oasis:names:tc:
ebxml-regrep:DataType:DateTime, is inherited from urn:oasis:names:tc:ebxml-regrep:
ObjectType:RegistryObject.The information of other general earth observation Data expansion is as shown in table 1, wherein type GM_
Object describes type using coordinate in gml.
The information explanation table of the general earth observation Data expansion of table 1
| Slot title | Type | Explanation |
| slot:parentIdentifier | String | Observation data identifier |
| Slot:beginPosition | DateTime | The from date obtaining |
| Slot:endPosition | DateTime | The Close Date obtaining |
| slot:imageQualityDegradation | Double | The quality degradation percentage ratio of image |
| slot:acquisitionType | String | Acquisition modes |
| slot:acquisitionSubType | String | Observation data acquisition form divides in more detail |
| slot:orbitDirection | String | The acquisition modes of orbital direction |
| slot:status | String | The state value of earth observation product |
| slot:orbitNumber | Integer | Observation data-track number |
| slot:productType | String | Product type |
| slot:acquisitionStation | String | Data acquisition or the code of receiving station |
| slot:lastOrbitNumber | Integer | The observation data track number finally obtaining |
| slot:archivingCenter | String | Data is in the code at the center of archive |
| slot:illuminationAzimuthAngle | Double | Solar azimuth |
| slot:illuminationElevationAngle | Double | The sun side elevation angle |
| slot:multiExtentOf | GM_Object | Moonscope overlay area |
| slot:centerOf | GM_Object | The centre coordinate of data acquisition |
The extension information of thematic earth observation product, as shown in table 2.
The information explanation table of the thematic earth observation Data expansion of table 2
| Slot title | Type | Explanation |
| slot:cloudCoverPercentage | Double | The cloud percentage of coverage of observation data |
| slot:snowCoverPercentage | Double | The snow percentage of coverage of observation data |
| slot:polarisationMode | Double | Polarization mode |
| slot:polarisationChannels | Double | Polarization frequency range |
| slot:minimumIncidenceAngle | Double | Minimum angle of incidence |
| slot:maximumIncidenceAngle | Double | Maximum incident angle |
| slot:swathIdentifier | String | Strip width identifier |
| slot:instrumentShortName | String | Equipment is referred to as |
| slot:sensorType | String | Obtain the sensor type of platform |
| slot:sensorOperationMode | String | Sensor operations pattern |
| slot:sensorResolution | Double | Image resolution ratio |
| slot:platformSerialIdentifier | String | The identifier of platform sequence |
| slot:creationDate | DateTime | Date created |
Step 2：Build observation data metadata information model to the mapping relations of log-on message model；Step 2 also includes
Following sub-step, as shown in Figure 5：
Step 2.1：Build observation data metadata information model to the mapping flow process of log-on message model.Seen first
Survey the judgement of data metadata type, if general earth observation data, then directly typically observed the genus of data metadata
Property mapping；If being judged as thematic earth observation data, need to carry out the judgement of thematic type further, according to different types
（Radar, optics, air, survey height, atmosphere side, synthesis）Carry out attribute mapping respectively.Because special topic observation data inheritance is from one
As observe data, so also needing to typically to be observed the attribute mapping of data metadata, just can terminate mapping process, such as Fig. 6
Shown.
Step 2.2：Build observation data metadata type and the Type mapping of registration object.According to observation data metadata
, in the object type ExtrinsicObject@ObjectType of registration object, main inclusion is following several for the different mappings of type
Kind：
(1) main object type urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:EOBasic
(2) obtain platform objects type
urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:EOAcquisitionPlatform
(3) storage object type
urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:EOArchivingInformation
(4) observe data product object type
urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:EOProductInformation
(5) observe data cover object type urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:
EOMaskInformation
(6) observe browsing data object type
urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:EOBrowseInformation
(7) radar observation data object type urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:SAREO
(8) optical observation data object type urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:OPTEO
(9) atmospheric seeing data object type urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:ATMEO
(10) survey high observation data object type urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:ALTEO
(11) atmosphere side observation data object type urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:
LMBEO
(12) INTEGRATED SIGHT data object type urn:ogc:def:objectType:OGC-CSW-ebRIM-EO:SSPEO
Step 2.3：Build observation data metadata attribute to the attribute mapping of registration object.Main inclusion two parts, one
It is the attribute mapping of general earth observation data；Two is the attribute mapping of thematic earth observation data.
First, the attribute mapping of general earth observation data
General earth observation data related data may map to log-on message model, is mainly mapped to log-on message model
Slot attribute in.These mappings include outside the main external object class EOBasic main with the mapping of other external object classes
The mapping relations of portion's object class are broadly divided into following three kinds.
1. the mapping relations of metadata essential information, as shown in table 3.
The mapping relations explanation table of data metadata essential information and log-on message model observed by table 3
2. device-dependent mapping relations in metadata, as shown in table 4.
The mapping relations explanation table of data metadata device-dependent message and log-on message model observed by table 4
3. in metadata other information mapping relations, the wherein mapping of mainly processing information, as shown in table 5：
Table 5：The mapping relations explanation table of observation data metadata other information and log-on message model
General earth observation data is in addition to main external object class in addition it is also necessary to carry out other external object classes
EOAcquisitionPlatform、EOArchivingInformation、EOProductInformation、
The attribute mapping of EOBrowseInformation, EOMaskInformation, is respectively described below：
（1）Obtain the mapping relations of external object EOAcquisitionPlatform of platform, as shown in table 6.
Table 6：Obtain the external object class of platform and the mapping relations explanation table of log-on message model
（2）The mapping relations of EOArchivingInformation, as shown in table 7.
Table 7：The mapping relations explanation table of the external object class of archive information and log-on message model
（3）The mapping relations of EOProductInformation, as shown in table 8.
Table 8：Obtain the external object class of product information and the mapping relations explanation table of log-on message model
（4）The mapping relations of EOBrowseInformation, as shown in table 9.
Table 9：Obtain and browse the external object class of information and the mapping relations explanation table of log-on message model
（5）The mapping relations of EOMaskInformation, as shown in table 10.
Table 10：Obtain the external object class of coverage information and the mapping relations explanation table of log-on message model
2nd, the attribute mapping of thematic earth observation data
Thematic data in earth observation data, including radar, optical satellite and air etc., its mapping relations is as follows.
（1）The mapping relations of particular community in EOBasic external object in radar earth observation data, as shown in table 11.
Table 11：The mapping relations explanation table of the external object class of radar earth observation data and log-on message model
（2）The mapping relations of particular community in EOBasic external object in optical satellite earth observation data.As table 12 institute
Show.
Table 12：The mapping relations explanation table of the external object class of optics earth observation data and log-on message model
（3）The mapping relations of particular community in EOBasic external object in air earth observation data, as shown in table 13.
Table 13：The mapping relations explanation table of the external object class of air earth observation data and log-on message model
Survey high and atmosphere side earth observation data and no additionally add information, directly adopt general earth observation data
Mapping relations.And integrated information consisting of earth observation data carry out selecting its attribute mapping.Closed by above-mentioned mapping
The definition of system, can support to observe the registration of data metadata, contribute to realizing the high-efficiency management of observation data.
Specific embodiment described herein is only explanation for example to present invention spirit.The affiliated technology of the present invention is led
The technical staff in domain can be embodied as making various modifications or supplements or substituted using similar mode to described,
But the spirit without departing from the present invention or surmount scope defined in appended claims.
Claims (2)
1. a kind of mapping method supporting earth observation data metadata registry is it is characterised in that comprise the following steps：
Step 1, builds the log-on message model of storage observation data metadata information, including following sub-step,
Build the registration packet of observation data metadata log-on message model, implementation is as follows,
Described observation data metadata log-on message model storage finds the element needed for observation data, earth observation data element number
It is believed that needing the related content registered to be stored in registration packet in breath,
In model, main object " EOBasic " comprises the essential information of earth observation data metadata；
In the external object related to main object, obtain platform objects " EOAcquisitionPlatform " inclusion acquisition right
The platform information of ground observation data；Archives data object " EOArchivingInformation " includes the genus of observation archives data
Property information；Observation data product object " EOProductInformation " includes the product information of observation data；Observation data
The object " EOMaskInformation " of coverage information includes the coverage information of observation data；Observe the right of browsing data information
As " EOBrowseInformation " include observation data browse information；The map data mining platform " EODataLayer " of observation data
Map data mining platform including observation data；
Main object " EOBasic " and other objects above-mentioned describe general observation data metadata jointly, also wrap in addition
Include special topic observation data external object, external object " SAREO ", " ATMEO ", " OPTEO ", " ALTEO ", " LMBEO " and
" SSPEO " represents radar, air, optics, the observation data metadata of survey height, atmosphere side and synthesis respectively, and these special topics are seen
The external object surveying data is classified and identified by the classification framework of earth observation data；
According to observation data metadata registration object, build the main object comprising earth observation data metadata information and outside is right
As class, implementation is as follows,
General earth observation data is expressed as external object class Extrinsicobject, and this external object class is to see over the ground
Survey the main object of data register information model, including the attribute information of earth observation data, the mark in earth observation data
Symbol have mapped an external object identifier ExternalIdentifier and is linked to this external object class；
Additional extraneous information in earth observation data, is stored in another kind of external object class, and outer with earth observation data
Portion's object class is connected, and carries out the link of two objects using association；
The general earth observation data type of thematic earth observation Data expansion, by thematic data type according to extended attribute
The form of slots is added to the external object apoplexy due to endogenous wind of earth observation data；When new thematic earth observation data occurs, carry out
The extension of log-on message model；
According to the mutual relation between observation data metadata object, build acquisition between main object and external object, archive,
Product information, coverage information, browse the related relation object of information data information；
According to the classification information of observation data metadata, build and comprise radar, air, optics, survey height, atmosphere side and synthesis
The classification framework of observation data metadata；
According to the association attributes of observation data metadata, build general earth observation product and special topic in observation data metadata and see
Survey the extended attribute class of product；
Step 2, builds observation data metadata information model to the mapping relations of log-on message model, including following sub-step,
Build observation data metadata information model and arrive the mapping flow process observing data metadata log-on message model, including carrying out first
The judgement of observation data metadata type, if general earth observation data, is then directly typically observed data metadata
Attribute maps；If being judged as thematic earth observation data, need to carry out the judgement of thematic type further, according to different types
Radar, optics, air, survey height, atmosphere side, comprehensive carry out attribute mapping respectively, according to special topic observation data inheritance from typically
Observation data, in addition it is also necessary to typically be observed the attribute mapping of data metadata, then terminates mapping process；
Build the class of general earth observation data and thematic earth observation data in observation data metadata type and registration object
Type maps, described observation data metadata type, including main object type, obtains platform objects type, storage object type, sight
Survey data product object type, observation data cover object type, observation browsing data object type, radar observation data object
Type, optical observation data object type, atmospheric seeing data object type, survey high observation data object type, atmosphere side
Observation data object type and INTEGRATED SIGHT data object type；
Build the genus of observation data metadata attribute general earth observation data and thematic earth observation data in registration object
Property mapping,
The attribute mapping of general earth observation data includes mapping relations of metadata essential information, device-dependent in metadata
The mapping relations of other information in mapping relations and metadata, in metadata, the mapping relations of other information include observing data element
The mapping relations of data other information and log-on message model, the acquisition external object class of platform and the mapping of log-on message model
The mapping relations of relation, the external object class of archive information and log-on message model, obtain product information external object class and
The mapping relations of log-on message model, acquisition browse the external object class of information and the mapping relations of log-on message model；
The attribute mapping of thematic earth observation data includes external object class and the log-on message model of radar earth observation data
Mapping relations, the external object class of optics earth observation data and log-on message model mapping relations；Survey high and air
The earth observation data of side no additionally adds information, directly adopts the mapping relations of general earth observation data；Integrated information
Consisting of earth observation data carry out selecting its attribute mapping.
2. a kind of mapped system supporting earth observation data metadata registry is it is characterised in that include following device：
For building the device of the log-on message model of storage observation data metadata information, further include,
For building the device of the registration packet of observation data metadata log-on message model, implementation is as follows,
Described observation data metadata log-on message model storage finds the element needed for observation data, earth observation data element number
It is believed that needing the related content registered to be stored in registration packet in breath,
In model, main object " EOBasic " comprises the essential information of earth observation data metadata；
In the external object related to main object, obtain platform objects " EOAcquisitionPlatform " inclusion acquisition right
The platform information of ground observation data；Archives data object " EOArchivingInformation " includes the genus of observation archives data
Property information；Observation data product object " EOProductInformation " includes the product information of observation data；Observation data
The object " EOMaskInformation " of coverage information includes the coverage information of observation data；Observe the right of browsing data information
As " EOBrowseInformation " include observation data browse information；The map data mining platform " EODataLayer " of observation data
Map data mining platform including observation data；
Main object " EOBasic " and other objects above-mentioned describe general observation data metadata jointly, also wrap in addition
Include special topic observation data external object, external object " SAREO ", " ATMEO ", " OPTEO ", " ALTEO ", " LMBEO " and
" SSPEO " represents radar, air, optics, the observation data metadata of survey height, atmosphere side and synthesis respectively, and these special topics are seen
The external object surveying data is classified and identified by the classification framework of earth observation data；
Comprise the main object of earth observation data metadata information and the device of external object class for building, implementation is such as
Under,
General earth observation data is expressed as external object class Extrinsicobject, and this external object class is to see over the ground
Survey the main object of data register information model, including the attribute information of earth observation data, the mark in earth observation data
Symbol have mapped an external object identifier ExternalIdentifier and is linked to this external object class；
Additional extraneous information in earth observation data, is stored in another kind of external object class, and outer with earth observation data
Portion's object class is connected, and carries out the link of two objects using association；
The general earth observation data type of thematic earth observation Data expansion, by thematic data type according to extended attribute
The form of slots is added to the external object apoplexy due to endogenous wind of earth observation data；When new thematic earth observation data occurs, carry out
The extension of log-on message model；
For building the acquisition between main object and external object, archive, product information, coverage information, browsing information data
The device of the related relation object of information；
For building the device comprising radar, air, optics, the observation data metadata of survey height, atmosphere side and synthesis；
For building the device of the extended attribute class of general earth observation product and special topic observation product in observation data metadata；
For building the device of the observation mapping relations to log-on message model for the data metadata information model, further include,
For building the dress of the mapping flow process to observation data metadata log-on message model for the observation data metadata information model
Put, including the judgement being observed data metadata type first, if general earth observation data, then directly typically seen
Survey the attribute mapping of data metadata；If being judged as thematic earth observation data, need to carry out the judgement of thematic type further,
According to different type radars, optics, air, survey height, atmosphere side, comprehensively carry out attribute mapping respectively, according to special topic observation
Data inheritance, then terminates to map from general observation data in addition it is also necessary to typically be observed the attribute mapping of data metadata
Journey；
For building general earth observation data and thematic earth observation data in observation data metadata type and registration object
Type mapping device, described observation data metadata type, including main object type, obtain platform objects type, storage
Object type, observation data product object type, observation data cover object type, observation browsing data object type, radar
Observation data object type, optical observation data object type, atmospheric seeing data object type, survey high observation data object class
Type, atmosphere side observation data object type and INTEGRATED SIGHT data object type；
For building observation data metadata attribute general earth observation data and thematic earth observation data in registration object
Attribute mapping device,
The attribute mapping of general earth observation data includes mapping relations of metadata essential information, device-dependent in metadata
The mapping relations of other information in mapping relations and metadata, in metadata, the mapping relations of other information include observing data element
The mapping relations of data other information and log-on message model, the acquisition external object class of platform and the mapping of log-on message model
The mapping relations of relation, the external object class of archive information and log-on message model, obtain product information external object class and
The mapping relations of log-on message model, acquisition browse the external object class of information and the mapping relations of log-on message model；
The attribute mapping of thematic earth observation data includes external object class and the log-on message model of radar earth observation data
Mapping relations, the external object class of optics earth observation data and log-on message model mapping relations；Survey high and air
The earth observation data of side no additionally adds information, directly adopts the mapping relations of general earth observation data；Integrated information
Consisting of earth observation data carry out selecting its attribute mapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310373435.6A CN103399964B (en) | 2013-08-23 | 2013-08-23 | Mapping method and mapping system supporting earth observation data metadata registry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310373435.6A CN103399964B (en) | 2013-08-23 | 2013-08-23 | Mapping method and mapping system supporting earth observation data metadata registry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103399964A CN103399964A (en) | 2013-11-20 |
| CN103399964B true CN103399964B (en) | 2017-02-08 |
Family
ID=49563592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310373435.6A Active CN103399964B (en) | 2013-08-23 | 2013-08-23 | Mapping method and mapping system supporting earth observation data metadata registry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103399964B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111752544B (en) * | 2020-06-29 | 2023-11-10 | 郑州大学 | Method for constructing ontology model supporting semantic expression in observation process of satellite-borne sensor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064673A (en) * | 2012-12-21 | 2013-04-24 | 武汉大学 | Mapping method and system for supporting direct registration of sensor |
| CN103150332A (en) * | 2013-01-28 | 2013-06-12 | 浙江大学 | Earth observation metadata integration method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7739223B2 (en) * | 2003-08-29 | 2010-06-15 | Microsoft Corporation | Mapping architecture for arbitrary data models |
-
2013
- 2013-08-23 CN CN201310373435.6A patent/CN103399964B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103064673A (en) * | 2012-12-21 | 2013-04-24 | 武汉大学 | Mapping method and system for supporting direct registration of sensor |
| CN103150332A (en) * | 2013-01-28 | 2013-06-12 | 浙江大学 | Earth observation metadata integration method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103399964A (en) | 2013-11-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Chen et al. | A flexible geospatial sensor observation service for diverse sensor data based on Web service | |
| Qu et al. | Earth Science Satellite Remote Sensing: Vol. 2: Data, Computational Processing, and Tools | |
| Fusco et al. | Open Grid services for Envisat and Earth observation applications | |
| CN103399964B (en) | Mapping method and mapping system supporting earth observation data metadata registry | |
| Baumann et al. | Finding my CRS: A systematic way of identifying CRSs | |
| Di et al. | Metadata requirements analysis for the emerging sensor web | |
| Loveland et al. | Seeing our planet anew: Fifty years of landsat | |
| Di | The Open GIS Web service specifications for interoperable access and services of NASA EOS data | |
| Glassy et al. | Soil moisture active passive (SMAP) mission level 4 carbon (L4_C) product specification document | |
| Hare | Standards-based collation tools for geospatial metadata in support of the planetary domain | |
| Campalani et al. | Making time just another axis in geospatial services | |
| Mission | COSMO-SkyMed Mission and Products Description | |
| Dunbar | Level 3 enhanced freeze-thaw passive product (L3_FT_P_E) specification document | |
| Nevistić et al. | Improving the Availability of Space Research Spatial Data | |
| CN103701691B (en) | A kind of method of location-based intelligent wireless sensor online Real-Time Sharing service | |
| Coene et al. | Architecture and Standards for a Distributed Digital Library of Geospatial Services. | |
| Liu et al. | NASA Global Satellite and Model Data Products and Services for Tropical Cyclone Research | |
| Tupas et al. | Data Archiving and Distribution of LiDAR and Derived Datasets in the Philippines | |
| Chen et al. | Visualization of NASA Earth science data in Google Earth | |
| Yang et al. | Massive data sets issues in earth observing | |
| Zhou et al. | On-board geo-database management in future earth observing satellites | |
| Loveland et al. | Global Data Availability from US Satellites: Landsat and MODIS | |
| Jovanović et al. | Open Satellite Data for the area of Serbia | |
| Candey et al. | NASA Space Physics Data Facility (SPDF) and Heliophysics Digital Resource Library (HDRL) Data Archives and Services | |
| Argo et al. | A possible radio supernova in the outer part of NGC 3310 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |