coordinates-methods            package:sp            R Documentation

_r_e_t_r_i_e_v_e_s _s_p_a_t_i_a_l _c_o_o_r_d_i_n_a_t_e_s

_D_e_s_c_r_i_p_t_i_o_n:

     retrieves spatial coordinates from spatial data

_M_e_t_h_o_d_s:

     _o_b_j = "_l_i_s_t" list with (at least) two numeric components of equal
          length 

     _o_b_j = "_d_a_t_a._f_r_a_m_e" data.frame with at least two numeric components 

     _o_b_j = "_m_a_t_r_i_x" numeric matrix with at least two columns 

     _o_b_j = "_S_p_a_t_i_a_l_P_o_i_n_t_s" object of, or deriving from, SpatialPoints 

     _o_b_j = "_S_p_a_t_i_a_l_P_o_i_n_t_s_D_a_t_a_F_r_a_m_e" object of, or deriving from, 
          SpatialPointsDataFrame 

     _o_b_j = "_L_i_n_e" object of class Line; returned value is matrix 

     _o_b_j = "_L_i_n_e_s" object of class Lines; returned value is list of
          matrices 

     _o_b_j = "_S_p_a_t_i_a_l_L_i_n_e_s" object of, or deriving from, SpatialLines;
          returned value is list of lists of matrices 

     _o_b_j = "_G_r_i_d_T_o_p_o_l_o_g_y" object of, or deriving from, GridTopology 

     _o_b_j = "_G_r_i_d_T_o_p_o_l_o_g_y" object of, or deriving from, GridTopology 

     _o_b_j = "_S_p_a_t_i_a_l_P_i_x_e_l_s" object of, or deriving from, SpatialPixels 

     _o_b_j = "_S_p_a_t_i_a_l_P_i_x_e_l_s_D_a_t_a_F_r_a_m_e" object of, or deriving from,
          SpatialPixelsDataFrame 

     _o_b_j = "_S_p_a_t_i_a_l_G_r_i_d" object of, or deriving from, SpatialGrid 

     _o_b_j = "_S_p_a_t_i_a_l_G_r_i_d_D_a_t_a_F_r_a_m_e" object of, or deriving from,
          SpatialGridDataFrame 

_M_e_t_h_o_d_s _f_o_r "_c_o_o_r_d_i_n_a_t_e_s<-":

_o_b_j_e_c_t = "_d_a_t_a._f_r_a_m_e", _v_a_l_u_e="_A_N_Y" promote data.frame to object of
     class SpatialPointsDataFrame-class, by specifying coordinates; see
     coordinates

