Urban underground pipeline was an important part of urban public infrastructure, and it was lifeline of cities. Application research of urban underground pipeline management information system also was important to urban underground pipeline manager, and we could manage underground pipeline efficiently when we depended on 3D technology. The paper introduced data model of pipeline network, and introduced how to establish basic 3D objects class of urban underground pipeline management information system. We realized the 3D underground pipeline network and completed the query and network analysis...
