To represent geographic data, it is required to handle several tasks, such as mapping, visualization, etc. Hierarchical architecture of OpenDRIVE structure is shown in the below figure. The nodes of the XML file indicate various properties of the road, such as junction points, elevation, and lane parameters. OpenDRIVE is aimed at storing the data in a XML format. Then, this standard has been recognized by a high number of companies. OpenDRIVE's first public version was released in 2006. The idea behind creating a file format which contains all properties of road structure was to simplify the exchange of data among different companies and simulators. OpenDRIVE which is one of the standardized file formats’ major examples was developed by VIRES. To display the road and its environment in Unity, EasyRoads3D toolset which contains dynamic crossing prefabs and side objects, such as bridges, guard rails, traffic signs is used.īecause of many companies in automotive industry which need similar dataset for their simulators, such as the description of road network and road objects, several standardized file formats were developed. The OpenDRIVE files contain a dataset which describes the road structure and covers all the properties regarding a road geometry. This research work focuses on the development of a road generator application for creating a road structure and corresponding visualization data in driving simulator based on the OpenDRIVE file, which is a standardized file format. The goal of this project was to develop a road generator application for creating a simulation environment in Unit圓D based on the predefined OpenDRIVE file to simulate vehicle behavior and point-cloud data. Game engines can be used for validation of environment simulation, vehicle dynamics, and complex AD algorithms in different scenarios. Road Generator | Development of simulation environment in Unity based on OpenDRIVE file to simulate vehicle behavior and point cloud data
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