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3D visualization of weather radar data
Linköping University, Department of Electrical Engineering.
2002 (English)Independent thesis Basic level (professional degree)Student thesisAlternative title
Tredimensionell visualisering av väderradardata (Swedish)
Abstract [en]

There are 12 weather radars operated jointly by smhi and the Swedish Armed Forces in Sweden. Data from them are used for short term forecasting and analysis. The traditional way of viewing data from the radars is in 2D images, even though 3D polar volumes are delivered from the radars. The purpose of this work is to develop an application for 3D viewing of weather radar data.

There are basically three approaches to visualization of volumetric data, such as radar data: slicing with cross-sectional planes, surface extraction, and volume rendering. The application developed during this project supports variations on all three approaches. Different objects, e.g. horizontal and vertical planes, isosurfaces, or volume rendering objects, can be added to a 3D scene and viewed simultaneously from any angle. Parameters of the objects can be set using a graphical user interface and a few different plots can be generated.

Compared to the traditional 2D products used by meteorologists when analyzing radar data, the 3D scenes add information that makes it easier for the users to understand the given weather situations. Demonstrations and discussions with meteorologists have rendered positive reactions. The application will be installed and evaluated at Arlanda airport in Sweden.

Place, publisher, year, edition, pages
Institutionen för systemteknik , 2002. , 76 p.
LiTH-ISY-Ex, 3252
Keyword [en]
Datorteknik, visualisering, väder, radar, datorgrafik, 3d, visualization, weather, graphics
Keyword [sv]
National Category
Computer Engineering
URN: urn:nbn:se:liu:diva-1053OAI: diva2:17271
Available from: 2002-03-12 Created: 2002-03-12

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