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Kartograficzne zastosowania systemów informacji geograficznej na przykładzie "Cyfrowego atlasu środowiska przyrodniczego województwa gdańskiego"

Kistowski M.

Polski Przegląd Kartograficzny

1999

T. 31, nr 2

106-114

Artykuł prezentuje przykład zastosowania oprogramowania GIS MapInfo do opracowania "Atlasu środowiska przyrodniczego województwa gdańskiego". Scharakteryzowano metodę wykonania i zakres cyfrowej bazy danych atlasu, technologię numerycznego opracowania map, zawartość atlasu, a także przedstawiono krąg potencjalnych odbiorców i zastosowań publikacji, posiadającej wersję drukowaną oraz cyfrową na płycie kompaktowej.

The papaer presents the technological aspect of elaboration of the Atlas, part of which was developed using the MapInfo software. The described procedure was applied in the production of the "Digital Environmental Atlas of Gdansk Voivodship (Northern Poland). The atlas was completed in September 1998 and released both in print and as a digital atlas on a CD-R. The database prepared in the MapInfo environment is organized into 60 thematic layers, including the following categories of information: - Land use, - Environment protection forms, - Geologic resources and hydrogeologic conditions, - Hydrography, - Selected elements of the quality of environment (waste sites, water quality). The content of this geographic database corresponds with the level of detail for the 1:25,000 scale topographic mapping. The data set served as a base for the atlas production. Digital elaboration of this atlas can be divided into 2 main steps: 1. GIS data preparation (MapInfo software), 2. Vector and Raster data processing and DTP (graphic and DTP software). The MapInfo software was used to produce the thematic maps based on the previously developed database, and also to generate the map lebels, legends and linear bar. The maps were formatted using the "Layout" command, and then saved as workspace (*.wor). The next step was to save both the maps and map legends as postscript files (*.eps). The Adobe Illustrator software was used to process the *.eps vector images, and the DTP was made in the Quark XPress software. The final stage of the atlas preparation was led simultaneously in the following two directions: For the paper version the map colors were separated and then printed, whereas fo the digital one maps were exported to the *.pdf format and then recorded on CD-Rs. The atlas is composed of 43 maps, 13 tables and 30 photographs. Most of the maps cover the whole of Gdansk Voivodship, but some of them only the selected areas (landscape parks, Gdansk Metropolitan Area). Maps are printed at scales varying from around 1:70,000 to 1:1,500 000. The digital version allows to magnify the maps to the desired scale, and also to visualize them together with the appropriate data. The data included in this atlas should be of assistance to numerous groups of users dealing with the protection and conservation of the natural environment: teachers, students, clerks, researchers, spatial data managers as well as the local societies and non-governmental ecological organizations.