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Research on Various Coordinate Systems in High Speed Train Control Visual Simulation

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3 Author(s)
Luo Ling ; Key Lab. of Rail Traffic Control & Safely, Beijing Jiaotong Univ., Beijing, China ; Guo Beiyuan ; Deng Ye

The visual simulation of train control system is an important aspect in the CTCS simulation system. The visual simulation system has many views which provide the whole train control situation directly and reliably, for example, the OCS 2 Dimension view, the three dimension operating view and projection view and so on. Integrated with lots of data information, the visual system used the same scene database to develop each view. The database is base on different coordinates, and different points of views also have to convert the coordinates. So, Understanding, grasping and applying the definition and conversion of various coordinate systems in the visual simulation development is a key and difficult aspect. Studying the conversion of the database and visual simulation development, the definition of different coordinates were proposed, and then, the conversion method among various coordinates was put forwards to achieve the scene database and the conversion form scene database to train situation, the 3D scene and the train operation and so on. All the conversion between coordinate systems in OpenSceneGraph was illustrated at last.

Published in:

Computer and Management (CAMAN), 2011 International Conference on

Date of Conference:

19-21 May 2011