Vermessungs- und Katasterbehörde Hannover

Athens, May 2003

Impact of Spatial Data

Infrastructure- Requirements

on

Cadastre Data

Peter Creuzer

Athens, May 2003

Content Introduction

Land Administration Data in a changing environment

Establishment of a Spatial Data Infrastructure (SDI)

Case Study Lower Saxony

Conclusions

Athens, May 2003

Land Administration Data in a

Changing Environment

Athens, May 2003

Spatial Data Spatial Data InfrastructureInfrastructure

E-GovernmentE-Government

Integration of Integration of Cadastre andCadastre andTopographicTopographic

MappingMapping

PPPPPP

Real Estate Real Estate CadastreCadastre

Influ

enci

ng T

rend

s

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Spatial Data Infrastructure (SDI)

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Spatial Data Infrastructure includes

all technological, political and institutional measures

making sure, that

methods, data, technologies, standards, financial and human resources

needed for capture and use of geoinformation are available according to business and economical requirements.

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Spatial Data Infrastructure • Initial situation in Germany:

– Decision on Use of Geoinformation adopted by German

Parliament in 2001 – Federal activities

• IMAGI

• Cooperation Federal and State authorities – Solutions at state level

• Metadata, Geodata portals, Pilot projects• NRW: MICUS- Market studies, GEOBASIS-NRW, GDI-NRW

– Policy Document of AdV (10/2001)• Strategies and action for establishment of an SDI for Germany

– Decision of the Standing Conference of the Ministers and Senators of the Interior (IMK; 01/2002)

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Spatial Data Infrastructure (2)Components

Aim: Acquisition, evaluation and use of GI for customers and users in public administrative bodies, for commercial and non-commercial areas, in research and for the citizen

Geodata Basis

Reference Data

Thematic Data

Metadata

Geoinformation Network Services

and Standards

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New Task?

Geoinformation network Printing of maps

Sales- and delivery conditions

Services and standards Reproduction technologies

Production of sets of layers

Ordinance for Depiction in Maps

Geodata Base Traditional Mapping• Geospatial base data Topographic Map Series, Real

Estate Maps

• Geodata Specific Maps (as layers)

• Metadata Product/Map-Catalogue

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Use of Modern Communication Structures

Internet services, E-Commerce, E-Government

Digital World Data models Object catalogues Data exchange formats

Networking - Nation-wide, uniform structure - Integrated approach - Federal Government-States - Local Authorities - Administration - Business

Coordination/Standards - Coordinating bodies - Standards - Industry Standards

New Requirements

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E-Government

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Handling of business processes

related to

government and administration

by means of IT via electronic media

Electronic Government includes:

InformationInformationInformationInformation CommunicationCommunicationCommunicationCommunication TransactionTransactionTransactionTransaction

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E-Government (II)

Aims:Aims:• Customer FocusCustomer Focus• „ „Multimedia-Base“ Lower SaxonyMultimedia-Base“ Lower Saxony• Economicalness of administrationEconomicalness of administration

E-Government isE-Government is• Further development of ITFurther development of IT• Reform of administrationReform of administration

Aims:Aims:• Customer FocusCustomer Focus• „ „Multimedia-Base“ Lower SaxonyMultimedia-Base“ Lower Saxony• Economicalness of administrationEconomicalness of administration

E-Government isE-Government is• Further development of ITFurther development of IT• Reform of administrationReform of administration

Technical Framework:Technical Framework: • Internet-PortalInternet-Portal

• Electronic signatureElectronic signature

• E-Payment proceduresE-Payment procedures

• Document managementDocument management

• Long-time archiveLong-time archive

Technical Framework:Technical Framework: • Internet-PortalInternet-Portal

• Electronic signatureElectronic signature

• E-Payment proceduresE-Payment procedures

• Document managementDocument management

• Long-time archiveLong-time archive

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Integration of Topographic and

Cadastre Mapping

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„...GIS are becoming very useful tools for handling information on the current land use as well as for monitoring changes in land use. Thus such information systems should combine data from different sources, including topographic maps and satellite images.“

UNECE: Social and Economic Benefits of Good Land Administration, September 1998

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Paradigm Shift

• Economicalness Much of the information redundant in register and map

Multiple acquisition and maintenance of information

• Customer Requirements Users expect geoinformation usable in a flexible manner and integrated service delivery

• Nation-wide Uniformity of Datasets Increasing importance (also in a European context)

Decision of the German Bundestag on the use of GI

Harmonisation at state borders

Athens, May 2003

Since 1997: Concept of AdV for

Modelling of Geoinformation of the Official Surveying and Mapping“

Cornerstones• Integrated maintenance of graphic data and descriptive

data• Constant object view• Data maintenance without redundancies• User profile according to data protection legislation• Focus on customers• Economicalness of the concept

Integration of Cadastre Map and Register (ALK and ALB) Harmonisation of Cadastre and Topographic Mapping(ALKIS - ATKIS)

Athens, May 2003

Target System• Uniform geospatial base datasets for Germany

– Only one data model for• Spatial Reference System AFIS• Real Estate Cadastre ALKIS• Topography ATKIS

– 3A - base schema, one 3A - application schema– NAS = standard-based data exchange format– Co-ordinated data capture, maintenance and

supply/delivery – Geospatial Base Data Information Management (GIM)

• Implementation (stage-wise realisation)

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Harmonisation of Object Catalogues

Only one hierarchical structure for ALKIS, ATKIS and AFIS

Identical object view for:– Land / current land use– Buildings and structural facilities– Topography– Topographic names– Determinings in acc. with public law– Administrative units– Objects for presentation

89 common objects in ALKIS and ATKIS

21 special ATKIS-objects

44 special ALKIS-objects

6 special AFIS-objects

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Public-Private Partnership in

Land Administration

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Transfer of Government Functions to Private Sector

Change of land ownership structures

Development of land markets

Institutional and economic structures

Statutory tasks combined with services for the market

Synergetic effects by involvement of the private sector

Streamlining of institutional arrangements for land administration

Establishment of Business Models

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Emerging Markets Technical

Cooperation

Land Registration

Services

Real Estate Markets

Valuation

Private-Public Partnership Chance: Delivery of quality land management

services to the public as common goal

Challenges for Public-Private Partnership

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Costrecovery

Datacurrency

Access to data

BusinessModels

Standardi-sation

Interope-rability

SDIMetadata

CustomisingValue adding

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UNECE-WPLA-Guidelines On PPP

Schedule• Task force on PPP - 1st meeting in Geneva• Questionnaire on PPP already distributed• Elaboration of comprehensive guidelines• Involvement of private sector• Guidelines to be presented at WPLA

Workshop Spring 2004 - Yerevan/Armenia• Approval and publishing as UNECE-

document in due course

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Case Study Lower Saxony

Athens, May 2003

Decision of the Lower Saxon Parliament:December 2002

Use of Geoinformation in Lower Saxony

– Importance of geoinformation

– Thorough strategy for state, regions and municipalities

– Development of geoinformation and SDI

– Transfer to business

– Easier access to geodata

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The New Legal Basis:

Lower Saxon Law On Official Surveying

(NVermG)

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Reasons for Revision of the Law

• Information Efficiency

• Public Access to Data

• Monopoly-Sharing

• Georeference

• Transparency

• Deregulation

Base FunctionMaintenance in spatial information systems

Legal Function § 2 GBO

§ 11 BodSchätzG

Guarantee for

Requirement for state administration to take over geodetic reference and content of data

Necessity to identify real estate and its boundaries

Updating and corrections compulsory

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• Access to real estate cadastre for everybody- normally unrestricted access to ALK and ALB

new - but: restricted access to ownership information

• Use of- Data of the official surveying and mapping- Standard presentations

new

Regulations for - Data supply

new - Commercial use

new - Reproduction

new

1. PublicNVermG - Major Changes

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Standard Presentations for CadastreStandard Presentations for Cadastre with uniform content and layout.=> consist of agreed core data (+ x)=> as described in the ALKIS-catalogue for presentations => part of the UML-model

Standard Presentations for CadastreStandard Presentations for Cadastre with uniform content and layout.=> consist of agreed core data (+ x)=> as described in the ALKIS-catalogue for presentations => part of the UML-model

Data to be maintained by all AdV-member states in the future

Uniform datasets concerning structure and content for users requiring state-overlapping datasets

Harmonisation of ALKIS, ATKIS and AFIS

Uniform Geospatial Base Data

Terrain Contours

Buildings and Dwellings

Land Use + Special Vegetation

Substantial Structural Facilities without buildings and dwellings

Land Parcels

Uniform Geodetic Reference System- Position, Height, Gravity -

Public Restrictions, Encumbrances or other features

Information on Ownership

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Stage-wise Implementation

NewOld Data Model

ATKIS•DLM + DGM

ATKIS•Base- DLM •DLM 50•DGM 5•DGM 50

Topography

AAA-Geospatial Base Data

(integrated maintenance)

ALKISALBALKControl Points

Real Estate Cadastre

AFISControl PointsReference System

Stage IIIStage IIfrom 2005 on

Stage Iuntil 2005

•Information system•Data (semantics, modelling, geometry)

Migration

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- Structured names/addresses in ALB

- Consistency of ALK and ALB

- Control Point Database: (Deletion of double numberings and multiple coordinates)

- Check of OBAK-conformity with LKP 540

- Check of area coverage in ALK

- Elimination of local control-point-systems/ Introduction of LS 100 coordinates

Measures I

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ALKIS - Concept for Migration NI (1)

• Measures II Addition of new classes of buildings – Addition of new classes of land use– Capture of areas of soil valuation

Requirements:

1) Determining of the geodata to be maintained in the future

Geobasis-NI

2) Enlargement of the object catalogue OBAK-LiegKat NI

3) Delivery of new software

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ALKIS - Concept for Migration NI (2)

• Measures

– addition of building objects

– addition of current land use

Data capture according to priorities:

Priority 2: capture not compulsory but desirable according to available capacities

Priority 1: capture compulsory for migration to ALKIS

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geoMDK®Metadata

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geoMDK® Future Development

W3C - Standards (XML, …)

ISO – oriented data maintenance (ISO 19115)

Communication/Data exchange based on OGC-standards (Catalog Service, …)

Athens, May 2003

Cadastre Challenges: Metadata for cadastre acc. to ISO

Integration of cadastre information into topographic mapping, e.g. generalisation of buildings

Customer needs for spatial planning

INSPIRE principles for European Spatial Data Infrastructure

MODELLING OF CADASTRE ACCORDING TO FUTURE SDI NEEDS!

Athens, May 2003

Cadastre and SDI: Cadastre data form integral part of national

SDI, although dealing with regional issues.

Integration of information deducted from cadastre into topographic mapping requires the same standards (data architecture, exchange formats) for enabling interoperability.

Cadastre needs to be involved into SDI matters from the earliest possible stage on.