International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV, Part B4. Istanbul 2004
All settings specific to some specific project (active layers,
colors, raster images display, labels, etc.) are to be modified by
using MapSoft 2000 Server.
2.4.3 Link to cadastral data - CadastarWorldWide
CadastarWorldWide is component that enables access to
cadastral data located within official databases. These databases
are located on Novell server and they are managed by old DOS
application using FoxPro RDBMS. Internet appplication
CadastarWorldWide uses Windows OLEDB drivers for direct
and simple access to these databases. Some functions for
executing most of the standard queries required by cadastral
officers of GGA are developed and provided.
AdminWorldWide, Util WorldWide
AdminWorldWide is Internet application enabling
administration of system users (accounts, rights, etc.
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Figure 8 : Admin World Wide
UtilWorldWide is Internet application for support to placing
orders for some data, statistical reports on system usage, etc.
2.5 Services available to user
Services are means of communication used for distribution of
data to the users. They are the top of an iceberg. There are
software, hardware and people behind who collect and maintain
the data used by these services. Currently the system is capable
of working with daily updated data and the following services
are provided:
Browsing land cadastre and real estate cadastre data:
* Parcel data
e List of owners of the rights on parcel
* List of objects (buildings) on parcel
* List ofall parcel parts
* List of owners of the rights on parcel objects
e List ofall legal on parcel
* Listofall legal on object
e Search by name
e Search by street name and address
9 Le
Display of DGP data and orthophoto maps:
e Data search
2.6 System users
One of the major obstacles for the realization of any project that
includes digital cadastral data distribution was the legal issue.
Existing bylaws, regulations and price lists do not take into
consideration the possibility of selling or giving data. Proposal
of changes and supplements of ‘Bylaw on fees for using state
survey and cadastral data and services from Government
Geodetic Authority’ (Government Geodetic Authority, 2002),
has provided, for the first time, a basis for practical application
of digital data distribution. Based on this bylaw proposal, and
on the decision of the RGZ director, a contract was signed in
April 2002 (Table 8) with the Institute for construction of town
of Novi Sad (ZIG) on three-month experimental cadastre
system exploitation. Later, commercial contracts with the same
institution and with the JP Urbanizam were also signed.
User Use period Number of
queries
SKN Novi Sad April 2002. —15000
Z1G Novi Sad May 2002. ~40000
JP Urbanizam May 2003. ~25000
Table 9: Statistics of system usage * cadastre by users
*data available on April, 2004.
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Figure 10: eCadastre: System usage by years, months, days and
hours
2.6.1 eCadastre usage analysis
eCADASTRE system was implemented in the middle of April
2002 and the exploitation started at the end of April 2002
(Vojinovic, 2002), after the contract with ZIG had been signed.
Based on statistics on system access (CWWStat) it can be
noticed that:
e System is evenly used during work time;
e. System is evenly used during the week;
* Access rate from ‘outside’ (ZIG Novi Sad, JP
Urbanizam) is very similar, while access rate from
‘inside’ (SKN Novi Sad) is lower:
e Zoom/pan
* Link to graphical and alpha-numerical data
During the system usage some errors were discovered. mainly
those related to data quality. Typical examples are: differences
between data from maps and those from land cadastre or real
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