Bavarian Ministry of Finance AAA - The contribution of the AdV in an increasing European Spatial...

Bavarian Ministry of Finance

AAA - The contribution of the AdV in an increasing European Spatial Data Infrastructure - the German Way

Markus SeifertBavarian Administration for Surveying and Cadastre

General Assembly of the Permanent Committee on Cadastre (PCC), 12.6.-14.6.2007, Hamburg

2


Personal Background

• Member of the DVW Working Group on geoinformation− Delegate to FIG Com 7

• Head of the SDI office in Bavaria− Establishment of a SDI in Bavaria

• Head of the project team “SDI Standards” of the AdV− Responsible for developing and mainenance of the new

integrated cadastre model ALKIS

• Representaive of the AdV to the OpenGeospatial Consortium (OGC)

− AdV becomes a technical member of OGC

• Head of the German delegation to ISO/TC 211

• Member of the Drafting Team “Data Specification” at INSPIRE

3


Content

• SDI - The European way

• SDI and AAA – The German way

• The new integrated cadastre model ALKIS− Content− Contribution to the NSDI

• Geoservices

4


Current situation in Europe

Data policy restrictions• pricing, copyright, access rights, licensing policy

Lack of co-ordination• across boarders• between levels of government

Lack of standards and their use• incompatible information• incompatible information systems• fragmentation of information• redundancy

Lack of data

EU has islands of data of different standards and quality...

No spatial d

ata infra

structure

5


Framework for E-servicesFramework for E-services

„AAA implementation started in 2005“

The aim is the a harmonised framework directive for implementation of a European spatial datainfrastructure (ESDI)

INfrastructure for SPatial InfoRmation in Europe INSPIRE

GI-standardsGI-specifications

SDI Germany

6


Requirements for an ESDIA European spatial data infrastructure basically

needs (strategic view)

• Harmonized geodetic reference• Metadata for discovery of existing data• Harmonized geodata and geo-services• Bundle geodata and geo-services within one European

portal• Handle access rights and licensing policies for all users • Controlling and monitoring of the implementation within the

EU member states• Methodology for building up a ESDI (considering process,

consensus process, decision making etc.)• Keep data where it is collected and maintained and make it

accessible for other using geo-web services (WMS, WFS etc.)

All these issues are addressed by the INSPIRE framework directive and the implementation rules

7


Requirements for INSPIRE

Upcoming work for EU member states during the IR review phase

Approximate

start date

Approximate

end date

Event Suggested actors

2007-05 2007-07 SDIC/LMO consultation of draft Generic Conceptual Model Experts in data modelling

2007-05 2007-07 SDIC/LMO consultation on draft Definition and scope of Annex Themes

Thematic experts

2007-06 2007-09 SDIC/LMO consultation on draft IR for Discovery and View Services Experts in metadata, catalogue service and WMS

2007-06 2007-09 Call for candidate specifications for Annex I spatial themes Thematic experts

2007-06 2007-09 Call for candidate specifications for Annex II and III spatial themes Thematic experts

2007-06 2007-09 Call for SDICs/LMOs for participation in data specification development

SDIC/ LMO

2007-06 2007-09 User requirements survey Thematic experts

2007-07 2007-10 SDIC/LMO consultation on draft Methodology for Specification Development

Thematic experts, experts in data modelling

2007-07 2007-10 Methodology testing Experts in data modelling

2007-10 2007-12 SDIC/LMO consultation on draft IR for Monitoring and Reporting Experts in services

2007-12 2008-03 SDIC/LMO consultation on draft IR for Coordinates Transformation Services

Experts on coordinate reference systems and

8


Content




• Geoservices

9


The National Geodatabase – Reference Data

ALKAutomated Real Estate Map

Quite a lot of redundant information

ALBAutomated Real Estate Register

Offical Topographic and Cartographic Information System ATKIS Geodetic Reference Points

AFIS-ALKIS-ATKISApplication Schema

10


Information

receive:

(reconstruction)(reconstruction)

datadata

(farmalising)(farmalising)

send:

Information

„„my car“my car“

datadata(Transfer)(Transfer)

„„his car“his car“

carcar

Data modelling: Data and Information

11


Information

Transmitter: Reveiver:

DataData DataData(Transfer)(Transfer)

(formalising)(formalising) (reconstruction)(reconstruction)

Information

c a r c a r

Metadata:Class „car“:Attribute „producer“Attribute „price“Attribute „colour“Attribute „production year“Attribute „condition“Attribute „current milage“Attribute „notation“

Data modelling: Data and Information

12


Modeling level

Modeling levelData level

Data level

applicationapplicationschemaschemageographic geographic

databasedatabase

defines

contents and structures

Real worldReal Real worldworld

abstractionData collection

Model-driven Approach is promoted for a ESDI

This and the following recommendations are listed in the

Technical Report CEN/TR 15449

“Geographic information - Standards, specifications, technical reports

and guidelines, required to implement Spatial Data Infrastructures”

13

Bavarian Ministry of FinanceData modellingas a basis for a SDI

• A simple overlaying of maps in the internet do not need a object-oriented data model but sifficient search and presentation functionalities (web map services)

• In future the requirements for geoinformation will increase, that meansgeoinformation must be(automatically) readable

• Requirements

Standardised and readable description of the digital content using a data model

Internet services that can handle geoinformation in the internet (search, find, interpret, process, transfer und present web feature services)

A spatial data infrastructure thererfore needs web functionalities as well as standardised data models for describing all geoinformation (reference data and thematic)

14


Preconditions for a SDI (data modelling view)• Model-driven approach for describing the data • Semantic harmonization of the existing data as far as

possible and sufficient (feature catalogues)• Application of the ISO standards for data modelling

and encoding • Implementation of metadata information systems for discovery

and access to the data

• Implementation of interoperable web services for

data access distribution (ISO, OGC)• Operational issues (registries etc.) • Legal issues (data sharing, IPR etc.)• Pricing

AAA data model

Contribution of the AAA Model to the European SDI

15


Content




• Geoservices

16


17/1

17/3

17/2

17/4

17

16

parcel

boundaryboundary point

Content of the new Content of the new

cadastre information system (ALKIS)cadastre information system (ALKIS)

Legal

classification

Land use

+ location, owner, ...

Reference

pointsbuldings

17


17/1

17/3

17/2

17/4

17

16

owner

MotorwayA 7

III. OrderIlm

Industry and commerce

District 8633number 17/2

area 657

School2 levels

Industrial use2 levels

Land register

Main street12

Content of the new Content of the new

cadastre information system (ALKIS)cadastre information system (ALKIS)

18


<<feature>>

Flurstück

+ Land:Integer

+ Gemarkungsnum mer:Integer+ Flurstücksnumm er:Flurstücksnum merID/+ Fl urstückskennzeichen:S tring

+ Am tliche Fläche:Real+ Flurnumm er[0..1]: Integer

+ Zeitpunkt der Entstehung[0. .1] :Date+ Abweichender Rechtszustand[0. .1] :Boolean

+ Rechtsbehelfsverfahren[0..1]:Bool ean+ Objektkoordinaten[0..1]: ObjektkoordinatenID+ Sonsti ge E igenschaf ten[0.. *]:Sonsti ge E igenschaf tenID

+ Flurstücksfol ge[0. .1] :S tring

Katasterunterlagef rom Package Ant ragsverwal tung

<<feature>>

Lage mit Gebäudenummer

+ Verschlüsselte Lagebezeichnung[0..1]: verschlLageID+ Unverschlüsselte Lagebezeichung[0..1]:St ring+ Hausnum mer[0. .1] :S tring

+ Pseudonumm er[0..1]:S tring+ Laufende Num mer[0..1]:St ri ng

<<feature>>

Tatsächliche Nutzung überlagernd

+ Funktion: Integer+ Art: Integer

+ Nam e[0. .*] :S t ring

<<feature>>

Gebäude

+ Gebäudefunkti on:Integer+ Nam e[0. .*] :S t ring

+ Nutzung[0. .*] :NutzungID+ Bauweise[0. .1] :Integer

+ Anzahl der Geschosse[0. .1] :Integer+ Hochhaus[0. .1] :Boolean+ Höhe Gebäude[0..1]: Integer

+ Besondere Dachausprägung[0..1]: Integer+ Zustand[0..1]: Integer

+ Geschossf läche[0. .1] :Integer+ Grundfläche[0. .1] :Integer

+ Um bauter Raum [0. .1] :Integer+ Baujahr[0.. *]:Date+ Lage zur E rdoberf läche[0..1]: Integer

+ Dachart[0..1]:St ring+ Dachgeschoß ausbau[0..1]: Integer

<<feature>>AA_NREO

<<feature>>

AA_REO

<<Data Type>>Flurstücksnum merID

+ Zähler:S tring

+ Nenner:St ring

<<Data Type>>Sonst ige E igenschaftenID

+ Schlüssel :S tring+ Fläche des Abschnit ts:St ri ng

+ Angaben zum Abschnit t (unst rukturi ert ):S tring+ Angaben zum Abschnit t - S tell e:S tring

+ Angaben zum Abschnit t - Numm er:S tring+ Angaben zum Abschnit t - Bemerkung:S tring

Es darf nur eine der At tributartenHausnummer oder Pseudonum mervorhanden sein.

Es darf nur eine der At tributartenverschlüsselte Lagebezeichnung

oder unverschlüsselteLagebezeichnung vorhanden sein.

hat

0. .*

gehört zu

0. .*

zeigt auf

0. .*

hat

1. .*

steht in Beziehung mit

0. .*

gehört zu

0. .*

zeigt auf

0. .*

gehört zu

1

<<feature>>

Bauteil

+ Art: Integer+ Lage zur E rdoberf läche[0..1]: Integer

Bedingungenusw.

Cadastral data model described with UMLCadastral data model described with UML

19


Unified Modelling Language (UML)

Application schemas are documented by using a conceptual schema language. Such a language may have a well defined graphical notation (such as UML for classdiagrams) but also a machine-readable format. The use of UML according to ISO/TS 19103 is promoted as an ESDI conceptual schema language.

Parcels, Location, Geodetic Points

Owner, Property Rights

Houses

Land Use

Buildings, Facilities and other Facts

Relief, DTM

Legal Classification, Administration Areas

User Profile Migration Objects

20


Consequent use of International Standards

Recommendation: ISO 19109 and referred standards are promoted as ESDI rules for specifying data structures and semantics.

19103 Conceptual schema language (UML)19103 Conceptual schema language (UML)

19109Rules for

applicationschema

19109Rules for

applicationschema

19110Feature

catalogue

19110Feature

catalogue

19107 – 19111 Geometry, CRS

19112 – 19115 Metadata

19107 – 19111 Geometry, CRS

19112 – 19115 Metadata

AAA application schemaAAA application schema

NAS(XML-Schema)

NAS(XML-Schema)

Feature Catalogue(XML)

Feature Catalogue(XML)

Feature Catalogue(HTML, RTF)

Feature Catalogue(HTML, RTF)

19118 Level 119118 Level 1

19136 (GML) profile 19136 (GML) profile

21


Determine ISO-profiles for specific domains

Geometric primitiv e<<Leaf >>

+ Bearing+ GM_Curv e

+ GM_Curv eBoundary+ GM_Curv eInterpolation

+ GM_Curv eSegment+ GM_OrientableCurv e

+ GM_OrientablePrimitiv e+ GM_OrientableSurf ace

+ GM_Point+ GM_Primitiv e

+ GM_Primitiv eBoundary+ GM_Ring+ GM_Shell+ GM_Solid

+ GM_SolidBoundary+ GM_Surf ace

+ GM_Surf aceBoundary+ GM_Surf aceInterpolation

+ GM_Surf acePatch

Geometric complex<<Leaf >>

+ GM_Complex+ GM_ComplexBoundary

+ GM_Composite+ GM_CompositeCurv e+ GM_CompositePoint+ GM_CompositeSolid

+ GM_CompositeSurf ace

Coordinate geometry<<Leaf >>

+ DirectPosition+ GM_Af f inePlacement

+ GM_Arc+ GM_ArcBy Bulge

+ GM_ArcString+ GM_ArcStringBy Bulge

+ GM_BSplineCurv e+ GM_BSplineSurf ace

+ GM_BSplineSurf aceForm+ GM_Bezier

+ GM_BicubicGrid+ GM_BilinearGrid

+ GM_Circle+ GM_Clothoid

+ GM_Cone+ GM_Conic

+ GM_CubicSpline+ GM_Cy linder+ GM_Env elope

+ GM_GenericCurv e+ GM_GenericSurf ace

+ GM_Geodesic+ GM_GeodesicString+ GM_GriddedSurf ace

+ GM_Knot+ GM_KnotTy pe

+ GM_LineSegment+ GM_LineString

+ GM_Of f setCurv e+ GM_ParametricCurv eSurf ace

+ GM_Placement+ GM_PointArray+ GM_PointGrid+ GM_PointRef+ GM_Poly gon

+ GM_Poly hedralSurf ace+ GM_Poly nomialSpline

+ GM_Position+ GM_Sphere

+ GM_SplineCurv e+ GM_SplineCurv eForm

+ GM_Tin+ GM_Triangle

+ GM_TriangulatedSurf ace+ Transf initeSet<DirectPosition>

Geometry root<<Leaf >>

+ GM_Boundary+ GM_Object

Geometric aggregates<<Leaf >>

+ GM_Aggregate+ GM_MultiCurv e+ GM_MultiPoint

+ GM_MultiPrimitiv e+ GM_MultiSolid

+ GM_MultiSurf ace

Extract of ISO 19107Spatial Schema: Geometry Schema

Answer the following questions:

Are all these elements relevant fora SDI or a common used data modelwithin one thematic domain?

If not, which are relevant?

Domain aState A

Domain aState B

22


Components of the AFIS-ALKIS-ATKIS-Data model

Data exchange interfaceNAS (standard based data exchange interface)

AAA basic schema as profile of ISO that specifiescommon used data elements (e.g. geometric primitives)

UML

Cadastrefeature catalogue

automated creation byusing a tool (Rational Rose script)

Topographyfeature catalogue

AAA thematical schemaUML

interfacexxx

xxx-feature catalogue

Thematical schemaxxx

Generic Structure of the AAA data model

23


AAA_BasicClasses<<Leaf>>

+ AA_AdVStandardModell+ AA_PMO

+ AA_Fachdatenobjekt+ AA_Fachdatenverbindung

+ AA_Lebenszeitintervall+ AA_Modellart

+ AA_NREO+ AA_Objekt

+ AA_ObjektOhneRaumbezug+ AA_REO+ AA_UUID+ AA_ZUSO

+ URI

AAA_IndependantGeometry<<Leaf>>

+ AU_Flaechenobjekt+ AU_Geometrie

+ AU_KontinuierlichesLinienobjekt+ AU_Linienobjekt

+ AU_Objekt+ AU_Punktobjekt

AAA_CommonUsedGeometry<<Leaf>>

+ AG_Flaechenobjekt+ AG_Geometrie

+ AG_Objekt+ AG_Linienobjekt+ AG_Punktobjekt

AAA_Catalogue<<Leaf>>

+ AC_FeatureType+ AC_ObjektTypenBezeichnung

+ AC_Objektartenbereich+ AC_Objektartengruppe

+ AC_Thema+ AC_Themenart

AAA_PresentationObjects<<Leaf>>

+ AP_FPO+ AP_GPO

+ AP_HorizontaleAusrichtung+ AP_LPO+ AP_LTO+ AP_PPO+ AP_PTO+ AP_TPO

+ AP_VertikaleAusrichtung

AAA_Spatial Schema<<Leaf>>

+ AA_Flaechengeometrie+ AA_Liniengeometrie

+ AA_PunktLinienThema+ AG_ObjektMitGemeinsamerGeometrie

+ AU_ObjektMitUnabhaengigerGeometrie+ TA_CurveComponent

+ TA_MultiSurfaceComponent+ TA_PointComponent

+ TA_SurfaceComponent

AAA_PointCollection<<Leaf>>

+ AD_GitterCoverage+ AD_PunktCoverage

+ AD_ReferenzierbaresGitter+ AD_Wertematrix

AAA_ProjectControlling<<Leaf>>

+ AA_Antrag+ AA_Antragsart

+ AA_BesondereMeilensteinkategorie+ AA_Dokumentationsbedarf+ AA_Gebuehrenparameter

+ AA_Meilenstein+ AA_Projektsteuerung

+ AA_Projektsteuerungsart+ AA_Projektsteuerungskatalog

+ AA_Vorgang+ AA_VorgangInProzess

+ AA_Vorgangsart

AAA_Operations<<Leaf>>

+ AA_Art_Themendefinition+ AA_Auftrag

+ AA_Ergebnis+ AA_Instanzenthemen+ AA_Themendefinition

AAA_UserProfile<<Leaf>>

+ AA_Benutzer+ AA_Benutzergruppe

General structure of a feature

Structure of a featurecatalogue

Geometry

Operations

Presentation

Use cases

Baseline for thematic application schemas:The AAA Basic Schema

24


AdV basic schema

Standardised Data exchance interface (NAS)

Thematic exchange interfaces

AAA thematic schema

Cadastre(ALKIS)

3D in

form

ation

Real E

sate p

rices

Ru

ral d

evelop

men

t

To

wn

plan

ing

- - -AAA basic schema as basis for thematic information systems

Modelling of thematic data

25


Content




• Geoservices

26


Geo Web Services

• All web services are implemented under consideration of the activities of SDI-Germany

• AdV defined a profile of the Web Map Server specification, determine some further definitions to fill degrees of freedom, e.g: - CRS

- Raster format- etc.

• A WFS-G (Gazetteer service) will be implementated for

providing coordinates for buildings

• A catalogue service for discovering and harvesting metadata will be implementated based on ebRIM or CSW DE profile

• For operational implementation of the SDI Germany a registry will be applied

• For examples see www.gdi.bayern.de


OGC Web Map Service (WMS)

• Request of digital maps in raster format (PNG, GIF, TIFF, JPEG) coming from seperated digital geographic databases

• Displaying with a web viewer (web browser or GIS)

• Precondition: georeferencing, metadata, URL

• Functionalities: GetCapabilities, GetMap, GetFeatureInfo

Geoservices


OGC Web Feature Service (WFS)

• Request to geo resources in vector format (attributes and geometry)

• Displaying with a web viewer (web browser or GIS)

• Precondition: Georeferencing, metadata, URL

• Functionalities: GetCapabilities, DiscribeFeatureType, GetFeature

• Extension: Transaction-WFS (read only and update)

Geoservices


Online Presentation

Geo web services:

www.gdi.bayern.de

E-services related on cadastre:

www.geoportal.bayern.de

30


Conclusions

• The AAA data model with the basic schema offers a thematic-independent and generic model framework that can be a baseline for modelling of other thematic domain data models. That will help to standardise the geoinformation in Germany.

• A SDI for geoinformation (not just geodata) needs an exact and transparent definition of the sharable data. Therefore the same methodology as defined with the AAA data model can be used. Doing this a national geo database can be established.

• The AdV offers support by using the UML tools for defining the data model and deriving the data exchange interface. Specific guidelines have been published on the AdV home page. The AdV guaranties maintenance at least until 2012.

• The success of the AAA data model bases on the consequent use of international GI standards from ISO.

• Geoservices will help to provide cadastral information and can be integrated within variable applications of e-government solution.

31


For more information see www.adv-online.de

Questions?

Bavarian Ministry of Finance AAA - The contribution of the AdV in an increasing European Spatial...

Documents

Transcript of Bavarian Ministry of Finance AAA - The contribution of the AdV in an increasing European Spatial...