1TDGRDS(3NCARG)                   NCAR GRAPHICS                  TDGRDS(3NCARG)
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NAME

6       TDGRDS - Draw perimeters, optionally with ticks or grid lines, on the
7       six sides of a box. This routine calls TDPARA and will therefore change
8       the definition of the reference parallelogram.
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SYNOPSIS

11       CALL TDGRDS (UMIN, VMIN, WMIN, UMAX, VMAX, WMAX, USTP, VSTP, WSTP,
12       IGRT, IHID)
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C-BINDING SYNOPSIS

15       #include <ncarg/ncargC.h>
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17       void c_tdgrds(float umin, float vmin, float wmin, float umax, float
18       vmax, float wmax, float ustp, float vstp, float wstp, int igrt, int
19       ihid)
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DESCRIPTION

22       The arguments of TDGRDS are as follows:
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24       UMIN, VMIN, WMIN, UMAX, VMAX, WMAX
25               (input expressions of type REAL) - coordinate values defining
26               the box in 3-space.  The names of these should make it clear
27               what they are.
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29       USTP, VSTP, and WSTP
30               (input expressions of type REAL) - specify step sizes between
31               ticks or grid lines in the U direction, the V direction, and
32               the W direction, respectively.  If one of these values is less
33               than or equal to zero, the ticks or grid lines in the
34               associated direction are omitted.
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36       IGRT    (an input expression of type INTEGER) - of the form
37               10*IGRN+IGRF, where IGRN is a value specifying what to draw on
38               the near sides of the box and IGRF is a value specifying what
39               to draw on the far sides of the box, where "near" and "far" are
40               as defined by the current line of sight.  Each of IGRN and IGRF
41               can have one of the values 0 (draw nothing), 1 (draw just a
42               perimeter), 2 (draw a perimeter with inward-pointing ticks), or
43               3 (draw a perimeter with a grid). For example, to draw grids on
44               the far side of the box and just perimeters on the near sides
45               of the box, use IGRT = 13.
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47       IHID    (an input expression of type INTEGER) - set to 0 to draw only
48               those sides of the box that cannot be hidden by something
49               inside the box or to 1 to draw only those sides of the box that
50               can be hidden by something inside the box.  Standard operating
51               procedure is to call TDGRDS before drawing surfaces inside a
52               box, with IHID set to 1, and then call it again after drawing
53               surfaces inside a box, with IHID set to 0.
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C-BINDING DESCRIPTION

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

60       To use TDGRDS or c_tdgrds, load the NCAR Graphics libraries ncarg,
61       ncarg_gks, and ncarg_c, preferably in that order.
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SEE ALSO

64       Online: tdclrs, tdctri, tddtri, tdgeti, tdgetr, tdgrid, tdgtrs, tdinit,
65       tditri, tdlbla, tdlbls, tdline, tdlnpa, tdmtri, tdotri, tdpack,
66       tdpack_params, tdpara, tdplch, tdprpa, tdprpi, tdprpt, tdseti, tdsetr,
67       tdsort, tdstri, tdstrs
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70       Copyright (C) 1987-2009
71       University Corporation for Atmospheric Research
72       The use of this Software is governed by a License Agreement.
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76UNIX                               July 1997                    TDGRDS(3NCARG)
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