v.proj(1)	       Grass User's Manual		v.proj(1)



NNAAMMEE
       vv..pprroojj  - Allows projection conversion of vector files.

SSYYNNOOPPSSIISS
       vv..pprroojj
       vv..pprroojj hheellpp
       vv..pprroojj	[--ssll]	iinnppuutt==_n_a_m_e   llooccaattiioonn==_n_a_m_e   [ddbbaassee==_n_a_m_e]
       [mmaappsseett==_n_a_m_e] [oouutt==_n_a_m_e]

DDEESSCCRRIIPPTTIIOONN
       allows a user to convert  a  vector  map  in  a	specified
       mapset  of  a  specified location (different from current)
       with projection of input location to the vector map  in	a
       current mapset of current location with projection of cur-
       rent location (both projections are defined by correspond-
       ing PROJ_INFO files).


       _v_._p_r_o_j  will create _d_i_g, _d_i_g___a_t_t, and _d_i_g___c_a_t_s directories
       in the output mapset, if they do NOT exist.  Map files for
       _d_i_g,  _d_i_g___a_t_t,  and  _d_i_g___c_a_t_s are also created for the new
       map layer.

   FFllaaggss::
       --ss     Automatically run "v.support" on newly created vec-
	      tor file.

       --ll     List vector files in input location and exit


   PPaarraammeetteerrss::
       iinnppuutt==_n_a_m_e
	      Name of the input vector map.

       llooccaattiioonn==_n_a_m_e
	      Name of the location containing input vector map

       ddbbaassee==_n_a_m_e
	      path to GRASS database of input location

       mmaappsseett==_n_a_m_e
	      Name of the mapset containing input vector map

       oouuttppuutt==_n_a_m_e
	      Name of the output vector map.



       If the user simply types vv..pprroojj without specifying parame-
       ter values on the command line, the  program  will  prompt
       the user to enter these.

NNOOTTEESS
       If  oouutt is not specified it is set to be the same as input
       map name.
       If ddbbaassee is not specified it is assumed to be the  current
       database.
       If  sseett	is  not  specified, its name is assumed to be the
       same as the current mapset's name.


       v.proj supports transformations between nad27  and  nad83.
       It  performs the transformation automatically based on the
       datum specified in the mapset region.  See BUGS section.

BBUUGGSS
       Currently v.proj does not support  general  datum  conver-
       sions.	It  only  supports  conversion	between nad27 and
       nad83, and only	within	the  CONUS  conversion	grid;  20
       degrees	to  50	degrees north latitude, 63 degrees to 131
       degrees west longitude.	That covers all of the	contermi-
       nous  USA  plus	Mexico	north  of Mexico City and most of
       Canada farther south than Winnipeg, Manitoba.

SSEEEE AALLSSOO
       _m_._p_r_o_j_, _r_._p_r_o_j_, _s_._p_r_o_j_, _g_._s_e_t_p_r_o_j_, _i_._r_e_c_t_i_f_y_,  _i_._r_e_c_t_i_f_y_3_,
       _r_._s_u_p_p_o_r_t_, _r_._s_t_a_t_s_, _s_._s_a_m_p_l_e_, _s_._s_u_r_f_._i_d_w_, _s_._s_u_r_f_._r_s_t


AAUUTTHHOORRSS
       Irina Kosinovsky, US ARMY CERL
       M.L. Holko, USDA, SCS, NHQ-CGIS
       R.L. Glenn, USDA, SCS, NHQ-CGIS

       _L_a_s_t _c_h_a_n_g_e_d_: _$_D_a_t_e_: _2_0_0_2_/_0_4_/_2_2 _1_6_:_0_8_:_2_9 _$



GRASS 5.0						v.proj(1)
