TDGRID - Draw a perimeter, optionally with ticks or grid lines, around the edges of the reference

       To  use TDGRID or c_tdgrid, load the NCAR Graphics libraries ncarg, ncarg_gks, and ncarg_c, preferably in
       that order.

       The C-binding argument descriptions are the same as the FORTRAN argument descriptions.

       #include <ncarg/ncargC.h>

       void c_tdgrid(float xbeg, float xstp, int noxs, float ybeg, float ystp, int noys, int igrd)

       Copyright (C) 1987-2009
       University Corporation for Atmospheric Research
       The use of this Software is governed by a License Agreement.

UNIX                                                July 1997                                     TDGRID(3NCARG)

       The arguments of TDGRID are as follows:

       XBEG, XSTP, and NOXS
               (input  expressions  of types REAL, REAL, and INTEGER, respectively) - define where ticks or grid
               lines are to be drawn along the "X" axis of the parallelogram (at XBEG,  XBEG+XSTP,  XBEG+2*XSTP,
               ... XBEG+NOXS*XSTP).

       YBEG, YSTP, and NOYS
               (input  expressions  of types REAL, REAL, and INTEGER, respectively) - define where ticks or grid
               lines are to be drawn along the "Y" axis of the parallelogram (at YBEG,  YBEG+YSTP,  YBEG+2*YSTP,
               ... YBEG+NOYS*YSTP).

       IGRD    (an  input  expression of type INTEGER) - defines what is to be drawn and has one of the values 1
               (draw just a perimeter), 2 (draw a perimeter with inward-pointing ticks), or 3 (draw a  perimeter
               with a grid).

       TDGRID - Draw a perimeter, optionally with ticks or grid lines, around the edges of the reference
       parallelogram defined by the last call to TDPARA.  This routine is normally called indirectly (by virtue
       of a call to TDGRDS), but there is no reason why it should not be called directly.

       Online: tdclrs, tdctri, tddtri, tdgeti, tdgetr, tdgrds, tdgtrs, tdinit, tditri, tdlbla,  tdlbls,  tdline,
       tdlnpa,  tdmtri,  tdotri,  tdpack, tdpack_params, tdpara, tdplch, tdprpa, tdprpi, tdprpt, tdseti, tdsetr,
       tdsort, tdstri, tdstrs

       CALL TDGRID (XBEG, XSTP, NOXS, YBEG, YSTP, NOYS, IGRD)