getpoly               package:splancs               R Documentation

_D_r_a_w _a _p_o_l_y_g_o_n _o_n _t_h_e _c_u_r_r_e_n_t _g_r_a_p_h_i_c_s _d_e_v_i_c_e

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

     Draw a polygon on the current graphics device

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

     getpoly(quiet=F)

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

   quiet: if true, don't prompt for input of a polygon. 

_V_a_l_u_e:

     A polygon data set consisting of the points entered. The current
     coordinate  system is used.

_M_E_T_H_O_D:

     The system prompts the user to enter points on the current
     graphics device using the mouse or other pointing device. The
     points are joined on the screen with the current line symbol.

_S_i_d_e _E_f_f_e_c_t_s:

     A polygon of the points entered is drawn on the current graphics
     device.

_R_e_f_e_r_e_n_c_e_s:

     Rowlingson, B. and Diggle, P. 1993 Splancs: spatial point pattern
     analysis code in S-Plus.  Computers and Geosciences, 19, 627-655;
     the original sources can be accessed at: <URL:
     http://www.maths.lancs.ac.uk/~rowlings/Splancs/>. See also Bivand,
     R. and Gebhardt, A. 2000 Implementing functions for spatial
     statistical analysis using the R language. Journal of Geographical
     Systems, 2, 307-317.

