8.20.6 CoordSystem class: A class for storing coordinate systems.

The CoordSystem class has this constructor:

class CoordSystem( csys,cdata)
Create a new coordinate system.

csys is one of 'Rectangular', 'Spherical', 'Cylindrical'. Case is ignored and the first letter suffices. cdata is a list of 6 coordinates specifying the two points that determine the coordinate transformation

CoordSystem objects have the following methods: