Find the average point of a set of points

Compute the cosine of the angle between two vectors.

Check if three points are colinear

Check for the coincidence of two points

Check for the coincidence of two points using tolerance

Check if three points are directionally colinear

Check two double arrays for equality

Find the minimium and maximium coordinate values

Find active ranges of MinMax boxes in a specified dimension

Find two perpendicular vectors (unit) to a unit vector

Get the area of a 2D point set assuming counterclockwise orientation

Get the angle between X axis and the line through a point and the origin

Calculate and round sin and cos of an angle

Compute adjusted angle of a specified point

Get a 3X3 rotation matrix defined by an axis and the angle or rotation about the axis

Compute distance between two points

Determine the factorial of a number

Build a nXm identity matrix

Find all of the 2D intersections between a specified line segment and a set of linear strings

Get the matrix for a plane defined by three points

Get a 3X3 rotation matrix for a three point plane

Get a 3X3 rotation matrix defined by the normal to plane

Get the 3X3 rotation matrix defined by the plane of the points

Get the sign of a value

Get the radius and the projected point from the projection of a point to a vector through a point

Compute squared distance between two points

Find the intersection points between a horizontal line and a loop

Insert a 2D point into an array of points after pntno location

Intersect two parametric lines in the xy-plane

Intersect two 3 space lines

Compute the least squares line through a set of 2D points

Check for the relation of two non-intersecting loops

Find the transformation matrix from the global to a local system

Find the inverse of a square matrix

Find the transformation matrix from a local to the global system

Find the product of two matrices

Find the transformation matrix for a rotation about an axis

Find the transformation matrix for a translation along an axis

Find the transpose of a matrix

Translate a 3D point along a specified direction

Determine if a 2D point is outside, on, or inside a loop of 2D points

Find least squares plane of points and test points for planarity

Check if a points is in a plane defined by three points

Check if a set of points all line on a straight line

Find the projection of a point to a plane

Find the projection of a 3D point to a 3D line

Find the projection of a 2D point to a 2D line

Find the projection of a point to a line

Solve two linear equations in two unknowns

Sort an array of integer values in ascending/descending order

Sort an array of double values in ascending/descending order

Sort a 2-D double array with a 1-D integer array

Find the sweeping angles of a set of continuous points on XY plane

Merge sweeping angles

Find the sweeping angles of a closed loop

Transform a 3D point through a matrix

Transform a 3D vector through a matrix

Find the intersection points between a vertical line and a loop