Compute seat positions in a semicircular parliament
seats(N, M, r0 = 2.5)A data frame including:
The x positions of the seats to be plotted on semi-circular arcs.
The y positions of the seats to be plotted on semi-circular arcs.
The row numbers for each seat.
The angle of each seat, going from pi to zero radians.
Total number of seats.
Number of semicircular arcs on which to distribute the seats.
Radius of the inner arc in user units.
Duncan Murdoch and Barry Rowlingson
election