PTV Train Corridor Centreline

Train Corridor Centreline depicts a spatial object (polyline) representing the centre of a series of tracks ie multiple parallel tracks are represented as a single line. A segment name is attributed to the centreline.列车线路中心线（Train Corridor Centreline）是一类以折线（polyline）为表现形式的空间对象（spatial object），用于表征多组平行轨道的中心线，即通过单条折线即可代表多组平行轨道的整体中心线。该中心线将被赋予对应的路段名称。