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The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. Vol. XXXVII. Part B4. Beijing 2008
The Inti
Many similarities with other European SDIs are visible. In
comparison with Northen Ireland’s SDI institutional framework
(Masser 2007) it could be seen that the MOSAIC programme
for implementing Northen Ireland GI strategy is administered
by steering group consisting of the chairs of working groups, GI
associations and chief executive of national mapping agency
(Ordnance Survey) what in some way correspondent to the
Croatian SDI Committee. In Germany the highest SDI body is
IMAGI, Interministerial Committee for Geoinformation, in
Sweden there is GI Advisory Board consisting of central and
local government representatives. If it is compared with Finnish
SDI, SDI body on the highest level is Council for Geographic
Activities, where central and local government and private
sector are represented, with its constitution and tasks very
similar to Croatian SDI Council. Although the Council for GI
exists, Finland has been classified as country where SDI is led
by national data producers (Masser 2007), National Land
Survey. Slight differences can be seen from their constitution,
considering the fact that private sector is included or not.
Coordination is one of the main factors for success of SDI
establishment and it depends on political and administrative
organisation of the country. Only few examples are mentioned,
but nevertheless how the institutional framework is organized
and which body is on the highest level, the common fact is that
the role of national mapping agencies is significant, not only as
producer of data but also as one of the important leader in SDI
establishment.
5. ACTIVITIES ON SDI IMPLEMENTATION
After establishing of legal framework with clear defined
institutional framework, the first concrete measure was that
NSDI Council was appointed on 31 May 2007. Other SDI
bodies should be established till the end this year (2008).
It is also necessary within a short time upon passing the Law to
create NSDI tools which will serve for its materialization. In
this context, the SGA has undertaken establishment of several
IT systems which are important for the future functioning of
SDL The SGA geoportal should be launched in June 2008,
equipped with all of the necessary functionalities for the
establishment of metadata service, as well as for the usage of
the SGA spatial databases. In the first phase five data sets will
be put on the Geoportal: orthophoto, cadastral maps in raster
format, Croatian base map at the scale 1:5000 and already
existing geodetic points and register of spatial units systems are
linked. At the same time Geoportal will have web sale
functionality.
SGA as SDI coordination body is also obliged to establish and
maintenance metadata public service on the Internet through a
geo-portal. The SGA Geoportal is a forerunner of national
geoportal. According to the Inspire directive all member states
are obliged to assure access to the NSDI data trough a
Geoportal operated by the Commission. At the time the project
of establishing SGA Geoportal started Inspire directive was not
adopted (only Proposal was available), therefore it is necessary
to analyse its concept and assure compliance with Inspire and
its Implementing Rules as soon as they are adopted. On the
other hand, Geoportal principles have to been complaint with
national regulations, firstly Law on State Survey and Real
Estate Cadastre. Therefore SGA has already undertaken
activities on comparison and preparing for harmonisation of
metadata on the geoportal with Inspire Implementing Rules for
metada (Draft version available, April 2008).
In continuation, towards the middle of 2008, the CROPOS
network of 30 permanent GNSS stations covering all of Croatia
will be launched. This system will be the base for establishing
of new positional reference system and horizontal geodetic
datum accepted by the Government in 2004.
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Figure 3. SGA’s Geoportal Home page
At the end of May 2007, the Ministry of Justice and SGA
contracted the creation of the Real Property Registration and
Cadastre Joint Information System (JIS), which is essential for
a significant number of other systems. The results of the
projects will be alphanumerical and graphic databases and
service, and the system should be in function till end of 2009.
JIS represents one of the key NSDI systems because it unites
the cadastral data that are under SGA responsibility and
information regarding the legal relations on those real
properties that are under responsibility of Ministry of Justice.
Two browsers have been already established, the first one by
the Ministry of Justice (e-Gruntovnica) and the second one by
the SGA (e-cadastre) where at the moment alphanumerical
cadastral data are available (Figure-4.).
Figure 4. e-cadastre Home page
There are also some examples of activities on local level.
Trough the GTZ (Deutsche Gesellschaft für Technische
Zusammenarbeit) project of technical co-operation between
Germany and Croatia for improvement of cadastre system,
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