Then transit network is formed according to land use, transit stations and hubs, and passenger flow assignment on the layer of transit network is realized.
进而结合用地性质和公交场站形成公交线网，再实现公交线网层上的公交客流分配。
2
The processing task assignment is formulated as a quadratic 0-1 programming problem, and a distributed OALL algorithm (optimizing assignmentlayer by layer) is proposed.