1.从学校的平面图中选取有代表性的景点，抽象成一个无向带权图。以图中顶点表示校内各景点，存放景点名称、代号、简介等信息；以边表示路径，存放路径长度等信息。

2.为来访客人提供图中任意景点相关信息的查询。

3.为来访客人提供图中任意景点的问路查询，即查询任意两景点之间的一条最短的简单路径。-1. Choose a plan view of a representative　the school s interest in the abstract as an undirected weighted graph. Vertex to map the school attractions representation, storage attractions names, code names, profiles and other information　Edge said the path to the storage path length and other information.

2. provide visitors attractions FIG query any relevant information.

3. Provide any figure attractions for visiting guests ask queries that query an attraction between any two shortest simple path.