Ministry of Agriculture of Hungary – TAKAROS

Land and Cadastral Map Registration System
It is essential for a private property based market economy to have an authentic and up-to-date property registration system. The lack of such a system influences the efficiency of investments, the development and operation of real estate and land market. Furthermore, its lack can prevent properties being mortgaged for debt. Countrywide, up-to-date and accurate information about parcels, plots and other properties with the required rapidity is essential for all involved in the market. LIS Template developed with the co-operation of Geometria Ltd., also known as TAKAROS in the Hungarian Land Offices, gives assistance in this matter.

Takaros
Conception of TAKAROS

The aim of the project was to establish a countrywide integrated land-information system, whose services would be available via network (WAN). The functionality of the system concerned the following areas:

  • Management of land registrations’ textual data
  • Document registration, follow-up, management of land data
  • Management of Property Sheets
  • Management of spatial data of land registration
  • Management of geodesy basic points
  • Receiving data of survey
  • Management of digital basic maps

Data management of the two functionality areas is performed in the frame of a single system, registering the changes occurring in the two areas. This solution is to be considered internationally up-to-date and a milestone of current technology. The subsystems, developed for management of the map data, are Geometria products.

Functionality of TAKAROS

The total functionality of TAKAROS appears split into sub-systems. The individual sub-systems gather in groups and thus delimit the functions of the system providing the complex adaptation of land registration processes and the information flow between them.
The sub-systems of TAKAROS and the relation between them are the followings:

Unified Document Management Subsystem (APP)

This subsystem aims to receive all the applications (request, plea) to the regional Land Offices and to provide an arrival point where the complex land registration – textual and/or map data applications and request – is performed. According to the above the incoming applications are registered in the order of their arrival. Following this registration the subsystem prepares a so-called side note, displays the registry number of the application on the relevant Property Sheet.

The cases related to the applications arrived to the regional Land Offices during their processing can have different status and this is reflected by the system.

The Unified Document Management subsystem handles the following applications:

  • application or request for creating, modifying or cancelling property related rights of facts
  • requesting Property Sheet copy
  • application for preliminary registration
  • requesting map copies and other data supply
  • ordering survey works
  • requests concerning geodesy survey base point

The Unified Document Management System is responsible for forwarding the accepted applications toward the appropriate TAKAROS subsystems, controlling the result of sub-processes, and as a last step in the process informing the client about the legal decisions or possible problems which may have occurred.

Property Sheet Management Subsystem (LAR)

This subsystem aims to fulfil the Property Sheet supplying demands and according to this to prepare different Property Sheet copies – e.g. about partial or entire content of the sheet.

Geodesy Basic Points Subsystem (GEO)

The subsystem aims to maintain the database of geodesy basic points, to provide the reception of base point database supplied by Central Survey Company (FÖMI) in frame of TAKAROS, to enable the partial modification of participating data and to perform interrogations in the graphical or alphanumerical environment of the downloaded database.

The Geodesy Base Point Database contains horizontal and altitudinal basic points (I-V classes).

The primary projection system of horizontal basic points is the Unified National Projection system (EOV). The reference system of altitudinal base points is either the Baltic altitudinal basic system or the Unified National Altitudinal Basic Point Network (EOMA). The system stores at the points that the coordinates of the projection system used previously.

Survey and Cartography Subsystem (SUR)

The Survey and Cartography Subsystem aims to get the data coming from the surveys into TAKAROS. This subsystem supports the checking and data acceptation, the storage and retrieving minutes of surveys and also the posting of changes manifesting during the surveys on digital basic maps.

The subsystem’s main operating areas are the followings:

  • receiving data from surveys, digitalisation, geodesy data collecting systems or from other digital sources
  • handling the preliminary registration of works
  • storing and retrieving data
  • interactive management of mapsheet charges
  • displaying the stored data on maps

Survey and Cartography Subsystem is linked to other subsystems through a collective database, especially to the survey basic map handling subsystem responsible for displaying digital basic map and to the Geodesy Base Point Subsystem.

All the data getting into TAKAROS system (including the initial data capturing and interactive constructing) reaches the digital basic map through this subsystem. Each data input is performed in form of long transactions thus providing the possibility of retrieving the survey data and the changes induced by them for the future and providing the ability of showing that by which modification requiring application (case) did the data get into the system. Since the survey data gets entered into the system in strict chronological order, the history of lot concerned in the modification and also the entire lot set gets to be stored, thus enabling the users to retrieve all former situations.

The interactive editing of the digital base map is considered as an internal modification request. This guarantees that each modification is recorded in the system and for this reason the Land Office can determine in any particular case the action that caused the modification in the basic map.

Survey and Cartography Subsystem reflects the workflow of a Land Office in such way that the modifications are carried out in two steps: l. preliminary registration, ll. coming into force. The preliminary registration checks the changes from technical point of view. The subsystem supports this evaluation with several automatic-checking possibilities necessary from the viewpoint of current regulations.

Taking into account that considerable time may pass between the preliminary registration of modification and coming into force (few months, or even more), the current regulations allows the initiation of a new modification request which concerns the lands being in preliminary registration status. There is no limitation in recursion.

Survey and Cartography Subsystem provides the correct management of modifications by requiring the “first in, first out” principle to be kept.

Geodesy Basic Map Management Subsystem (MAP)

The Geodesy Basic Map (cadastral map) Management Subsystem aims to handle the digital basic map stored in TAKAROS system. The subsystem supports the followings:

  • loading data stored in central database in to graphical files
  • supplying data in different forms: graphical files, printed sketches and other map inputs
  • creating output for other external systems

The Geodesy Basic Map Management Subsystem is linked to other subsystems through a collective database, especially to the Survey Basic Map Management subsystem responsible for receiving survey data and to the Geodesy Basic Point Subsystem, providing the access to the base points.
The Geodesy Basic Map Management Subsystem fulfils several requirements. The most important of these are:

The collective projection system of the three data management subsystems is Unified National Projection system (EOV). The data originating from the former projection systems are being converted before getting into the digital map database.

The objects included in the digital map database are defined by the standard (MSZ 7772-1) of conceptional model of Digital Basic Map (DAT). The subsystems handle the objects and its attributes classified according to the standard, and also handle the given codes.

TAKAROS can be prepared for supporting the standard (MSZ 7771) of Hungarian GIS Data Exchange Format, which is expected to be compatible with the data exchange format standard of the European standardization organisation (CEN).

General Characteristics

Work Flows

The TAKAROS subsystems communicate with each other through a collective database, which is controlled by the client applications and the inner tasks of the Land Offices. In case of applications and tasks that must be supported by more subsystems, the co-ordination of subsystems is performed by the Document Management Subsystem, that has the section of the workflow completed by the competent subsystems one by one. After finishing the work-section the subsystem sends a signal about the completion to the Document Management Subsystem. The administration of the case will not be closed until each individual step or process has been carried out in the required order.

Authority and Security

The data protection against the intervention of non-authorised users is performed by a so-called role-based security system. The regional Land Office operators (users) have definite authorisation. The users can enter the system by using their password. Administrative levels corresponding to their job are assigned to each user, and the users can reach different functions and can have access to the stored data in different ways.

Only the system administrator has the right to assign a role to a user.

The protection against data loss is based on background operations of Oracle database management system. Beside the regular data saving during the operation, the administrator can make additional saves as desired.

The Past and Archiving

TAKAROS system never deletes data. Any past data, which has become out of date due to modifications, are retrievable from the database. In basic situation only active data are displayed and the user can make changes only on this data.

Nevertheless it may happen that the Land Office wishes to display the former state of a land-set together with the data of a relevant Property Sheet.

In this case the following possibilities are available:

view of the actual state of a land-set on a given date, delimited so that no kind of the modification may be done on the restored data

browsing back and forth according to the date of changes

In Land Office administration this frequently happens, and assuming modifications of great volume, that the quantity of the data is too large for the database to store directly. Therefore TAKAROS system includes an archiving method that can tie down the data not in use on outer devices. Loading back the data may be performed according to the will of the user.

Statistics

TAKAROS system automatically records the operation of the system thus managerial data may be gained, for example preparing the list of pending cases, following up the work of individual operators, preparing statistics about the lands belonging to the Land Office based on different points of view.