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Visualization of large urban complexes on the web is highly demanding task both from the networking and computational point of view. The whole three-dimensional model of a city is mostly too big to be downloaded in a reasonable time and to be stored in a memory of commonly used computers. This paper presents a scaleable approach for subdividing an urban(More)
Our work should help to the higher effectiveness of traction power consumption. The traction power for railway comes from the regional distribution companies of the electric energy in the Czech Republic. The aim is to make cost connected with given criteria of power consumption lower. For example in the Czech Republic it is a cost connected with breach of(More)
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