Preparing historical maps for presentation in a Geoportal
Przygotowanie map historycznych do prezentacji w Geoportalu

Summary/Abstract: This paper discusses the challenges to a wider access to archival cartographic materials. The aim of the study is to present and evaluate the preparation of historical maps for presentation in geoportals. The authors use the example of two maps from the early twentieth century, without information on the spatial relations, to trace the course of their processing into a form that allows them to be published in spatial data structures. The descriptions of subsequent stages include theoretical and practical aspects of the procedure. Particular attention was paid to the factors affecting the accuracy of spatial fit that affects the ability to use them further.

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