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ARCHEOLOGICKÉ NÁLEZISKÁ NA GOOGLE EARTH

100%
Kuzma I.
Študijné zvesti
|
2013
|
issue 53
183 - 230
EN
Possibility to use satellite images has become a great aid for the discovery of new sites especially in recent years. The introduction of Google Earth by Google search engine in 2004 was thus a significant turn in their use by general public. On the one hand the general public welcomed its introduction with enthusiasm on the other hand it faced considerable criticism because it allows getting information about classified military and other strategic objects or territories. A similar situation took place also in archaeology, when publishing of archaeological sites provoked many discussions concerning their safety and protection, though one can say that pros prevail over cons. Google Earth is playing more and more important role in the discovery of new sites, for example, in the territories where even professional archaeologists do not have a possibility to find another way of obtaining aerial images. Thus, the use of Google Earth has already brought excellent results in several parts of the world. It could be said that only in Slovakia it has helped discover several hundreds of new sites and their number is on the increase. The identified facts include a wide scale of excavation sites and features from various periods, from small independent objects up to extensive hill-forts. What was captured on satellite images in fact appears the same as in classic aerial prospection from low flying sports planes. In more cases than during direct prospection they may be recent features or even geological manifestations of various forms, which confirms the inevitability to draw in interpretation first of all on the comparison of the several images. The paper does not aspire to be a detailed presentation of archaeological sites and features (300 sites were selected - http://www.cevnad.sav.sk/aktuality.html#2_1) observable on Google Earth, either already verified or potential. It rather wants to point to possibilities and various obstacles during a search for them. It will be therefore interesting to observe how many of the mentioned sites and features, as well as the other ones, will be clearly marked, after a detailed verification, as archaeological.
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Metody virtuální rekonstrukce zaniklé pevnosti Olomouc

86%
Popelka S., Brychtová A.
Historická geografie (Historical Geography)
|
2011
|
vol. 37
|
issue 2
213-230
EN
Aim of the project was to state the most suitable methods of visualization of spatio-temporal chase in historical build-up area from the tourist’s point of view. The case study of the project is focused on fortress Olomouc, which was almost completely demaged at the end of the 19th Century. In the article five approaches are discussed – textual description of changes, comparison of historical and recent Picture or photos, overlaying historical maps over the orthophoto, enhanced visualization of historical map in large scale using the third dimension and photorealistic 3D models of the same area in different ages. All mentioned methods were geolocalizated using the Google Earth environment and multimedia features were added to enhance the impression of perception. Methods are evaluated according to technological demandingness of the processing and preparation and user perception. Usability study is processed using the eye-tracking technology and questionaire survey.
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