Radar is a very important device, e.g. for flight control. In the case, the airport is located close to the settlement, it can influence people living there. Identification of radar protection zone and its intersection with surrounding buildings are useful spatial analyses which can support decision-making both in public administration and personal life of people. Proper visualization of analyses results is a very important step which helps people to understand the results. A possible way how

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... model radar protection zone, surrounding buildings and how to identify their intersection is described in the article. A strong attention is paid to the final visualisation of obtained results. ArcGIS Desktop, ArcScene, Google SketchUp and 3ds Max were used as software tools.