Quote Originally Posted by Turnup View Post
Yes, and I find it surprising that this task is something we can perform to a good degree of accuracy almost without thinking about it.
I may have a method which I have yet to test. Find the smallest rectangle which will enclose all the points and calculate its centre. That will be the centre of the circle with a radius of half the length of the diagonal. Thinking about this really cocked up my pistol session this afternoon.