polygon                 package:maps                 R Documentation

_P_o_l_y_g_o_n _f_u_n_c_t_i_o_n_s

_D_e_s_c_r_i_p_t_i_o_n:

     These functions are called internally and will generally not be
     required by the user.

_U_s_a_g_e:

     area.polygon(p)
     centroid.polygon(p)
     ## S3 method for class 'polygon':
     as.matrix(x, ...)
     closed.polygon(p)
     in.one.polygon(p, x)
     in.polygon(p, x)
     num.polygons(p)
     sub.polygon(p, i)

