When displaying a journey, the vertical axis will often represent the distance from a particular place rather than the distance travelled. Such graphs are known as displacement-time graphs.

When displaying a journey, the vertical axis will often represent the distance from a particular place rather than the distance travelled. Such graphs are known as displacement-time graphs.

Planar Graph Algorithms and Distance Queries Publication Trend The graph below shows the total number of publications each year in Planar Graph Algorithms and Distance Queries.