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1 Dukaczewski D.

1 2007

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Wojewódzkie portale informacji przestrzennej

Dukaczewski D.

Roczniki Geomatyki

2007

T. 5, z. 3

37-56

Growing need for spatial information and the belief of usefulness of its availability coupled with dvelopment of IT has brought during the last 5 years considerable intensification of concept and impelementation works on regional spatial data portals in Poland. Today all 16 voivodehips have their own spatial data portals. The number of regional portals distributing data layers has grown between March 2004 and July 2007 from 4 (for Łódzkie, Masovian, Małopolskie, West Pomeranian voivodeships) to 11 (for Upper Silesian, Lubelskie, Opolskie, Podkarpackie, Warmińsko . Masurian and Silesian voivodeships). At the same time the number of regional metadatabases has grown dramatically. This situation implies that theres is a need for analysis concerning the identification of possibilities, limitations and development conditions of regional spatial data portals in Poland, taking also into considerations recent related works in Europe (with emphasis on problems related to the implementation of INSPIRE Directive), as well as those carried out in the other parts of the world. To achieve this goal, it was necessary to analyze the thematic scope of spatial data, of accessible regional portals and geoportals, as well as to analyze the applied methods of cartographic presentations, to evaluate their semiotic correctness, to analyze the visualisation and spatial analysis tools and functions and the degree of development of metadatabases. In the result typology of regional data portals was proposed as well as identification of crucial factors determining the possibilities and limitations of their development.