Northarrow              package:StatDA              R Documentation

_N_o_r_t_h_a_r_r_o_w

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

     Add a North Arrow to a map.

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

     Northarrow(Xbottom, Ybottom, Xtop, Ytop, Xtext, Ytext, Alength, Aangle, Alwd,
     Tcex)

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

 Xbottom: x coordinate of the first point 

 Ybottom: y coordinate of the first point 

    Xtop: x coordinate of the second point 

    Ytop: y coordinate of the second point 

   Xtext: x coordinate of the label 

   Ytext: y coordinate of the label 

 Alength: length of the edges of the arrow head (in inches) 

  Aangle: angle from the shaft of the arrow to the edge of the arrow
          head 

    Alwd: The line width, a positive number 

    Tcex: numeric character expansion factor 

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

     Peter Filzmoser <P.Filzmoser@tuwien.ac.at>

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

     C. Reimann, P. Filzmoser, R.G. Garrett, and R. Dutter: Statistical
     Data Analysis Explained. Applied Environmental Statistics with R.
     John Wiley and Sons Inc. To appear.

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

     plot.new()
     Northarrow(0.5,0,0.5,1,0.5,0.5,Alength=0.15,Aangle=15,Alwd=2,Tcex=2)

