3-D lines, or chords, are represented as zero-based, one-dimensional arrays that contain two elements: the starting 3-D point and the ending 3-D point. A 3-D line can be constructed in a number of different ways. For example,
Dim arrStartPoint, arrEndPoint, arrLine
arrStartPoint = Array(1.0, 2.0, 3.0)
arrEndPoint = Array(4.0, 5.0, 6.0)
arrLine = Array(arrStartPoint, arrEndPoint)
RhinoScript contains a number of methods to manipulate lines. See Lines and Planes for details.