ClosestPoint            Find Closest Point
Cost                    Compute area-based cost
CreateMap               Create a mapping between paths
DistancePointSegment    Compute distance between a point and a segment
GetMinMap               Gets least-distance mapping among the
                        minimum-area mappings.
InsertIntersections     Inserts points on paths where two paths
                        intersect
IntersectPoint          Find where point opposite segment intersects
                        segment.
LLKscore                Compute Latecki/Lakaemper K score
LLbeta                  Compute Latecki/Lakaemper beta
LineMagnitude           Compute line length
LinkCost                Computes the distance of a particular link
                        between paths
PathDist                Compute Length of a path
PathOverlap             Compute the proportion overlap of two paths.
PlotGrid                Plot the grid associated with a particular
                        mapping problem.
PlotMap                 Plot the paths and their mapping.
SimplifyPath            Simplify a path
SummarizeMapping        Summarize the mapping obtained by GetMinMap
connected               Determine whether two nodes are connected.
even                    Is a number even?
ldist                   Compute line length
linesIntersect          Checks whether two line segments intersect.
livenodes               Which nodes are legal mappings?
odd                     Is a number odd?
pathmapping-package     Compute Deviation and Correspondence Between
                        Spatial Paths
surveyors               The Surveyor's Formula
