Slines-class               package:sp               R Documentation

_C_l_a_s_s "_S_l_i_n_e"

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

     class for sets of line objects

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

     getSlinesSlinesSlot(SL)
     getSlinesIDSlot(Slines)

_A_r_g_u_m_e_n_t_s:

SL, Slines: an Slines object

_O_b_j_e_c_t_s _f_r_o_m _t_h_e _C_l_a_s_s:

     Objects can be created by calls to the function Sline

_S_l_o_t_s:

     '_S_l_i_n_e_s': Object of class '"list"', containing elements of class
          Sline-class

     '_I_D': Object of class '"character"', unique identifier string

     '_b_b_o_x': Object of class '"matrix"', see Spatial-class 

     '_p_r_o_j_4_s_t_r_i_n_g': Object of class '"CRS"', see CRS-class 

_E_x_t_e_n_d_s:

     Class '"Spatial"', directly.

_M_e_t_h_o_d_s:

     _c_o_o_r_d_i_n_a_t_e_s 'signature(obj = "Sline")': retrieve coordinates from
          lines; returns list with matrices 

     _l_i_n_e_s 'signature(x = "Sline")': add lines to a plot

_A_u_t_h_o_r(_s):

     Roger Bivand, Edzer Pebesma

_S_e_e _A_l_s_o:

     Slines-class, SpatialLines-class

_E_x_a_m_p_l_e_s:

