aRTlayer-getRelation           package:aRT           R Documentation

_S_p_a_t_i_a_l _R_e_l_a_t_i_o_n_s

_D_e_s_c_r_i_p_t_i_o_n:

     Returns elements of a given layer that satisfy a given spatial
     relation. The relation can be in a different layer.

_A_r_g_u_m_e_n_t_s:

     _o_b_j_e_c_t The target layer.

     _r_e_l_a_t_i_o_n A relation among:

             *  contains

             *  coveredby

             *  covers

             *  crosses

             *  disjoint

             *  equals

             *  intersects

             *  overlaps

             *  touches

             *  within

     _l_a_y_e_r The layer which the spatial relation must satisfy.

     _i_d_s The selected ids of layer to be used. If 'NULL', all the
          elements of layer will be used.

_A_u_t_h_o_r(_s):

     Pedro Ribeiro de Andrade Neto

_S_e_e _A_l_s_o:

     See 'aRTlayer-class' to the description of this class.

_E_x_a_m_p_l_e_s:

     ## Not run: 
     ## End(Not run)

