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.

列车运行走廊中心线（Train Corridor Centreline）属于空间对象范畴，其几何类型为多段线（polyline），用于表征一组轨道的中心线，即多条平行轨道可简化为单条折线进行表示。该中心线将被赋予区段名称。