Weather radars can measure the backscatter from rain drops in the atmosphere. A complete radar scan provides three–dimensional precipitation information. For the understanding of the underlying atmospheric processes the interactive visualization of these data sets is necessary. This task is, however, difficult due to the size and structure of the data and due to the neccessity of putting the data into a context, e.g. by the display of the surrounding terrain. In this paper, a multiresolution approach for real–time simultaneous visualization of radar measurements together with the corresponding terrain data is illustrated
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