WebGIS中公交换乘算法的实现

介绍并实现了搜索引擎版WebGIS中换乘次数最少的公交最优方案，完成了公交换乘功能模块。该算法首要

考虑换乘次数最少，并综合考虑出行时间及路程，在小范围内加入步行因素，得出了一条最佳的出行方案。

关键词：公交换乘算法；WebGIS；公交线路数据库-WebGIS change in public transport algorithm, introduced and implemented search engine version of WebGIS in the least number of the bus transfer optimal program, completed the transfer function module bus. The algorithm take the least number of primary consideration, and considering travel time and distance, in a small area to join walk factors, obtained the best travel programs. Keywords: Bus Ride algorithm　WebGIS　bus lines database