Compute seat positions in a semicircular parliament
seats(N, M, r0 = 2.5)Total number of seats.
Number of semicircular arcs on which to distribute the seats.
Radius of the inner arc in user units.
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.