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

6       TDPRPA - Given the parallelogram coordinates of a point, get the
7       coordinates of its projection in the projection plane.  This routine is
8       essentially the inverse of the routine TDPRPI.
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SYNOPSIS

11       CALL TDPRPA (XIPA, YIPA, XI2D, YI2D)
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C-BINDING SYNOPSIS

14       #include <ncarg/ncargC.h>
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16       void c_tdprpa(float xipa, float yipa, float *xi2d, float *yi2d)
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DESCRIPTION

19       The arguments of TDPRPA are as follows:
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21       XIPA and YIPA
22               (input expressions of type REAL) - the parallelogram
23               coordinates of a point.  (The parallelogram is as defined by a
24               prior call to TDPARA.)
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26       XI2D and YI2D
27               (output variables of type REAL) - the coordinates of the
28               projection of the point in the projection plane.
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C-BINDING DESCRIPTION

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

35       To use TDPRPA or c_tdprpa, load the NCAR Graphics libraries ncarg,
36       ncarg_gks, and ncarg_c, preferably in that order.
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SEE ALSO

39       Online: tdclrs, tdctri, tddtri, tdgeti, tdgetr, tdgrds, tdgrid, tdgtrs,
40       tdinit, tditri, tdlbla, tdlbls, tdline, tdlnpa, tdmtri, tdotri, tdpack,
41       tdpack_params, tdpara, tdplch, tdprpi, tdprpt, tdseti, tdsetr, tdsort,
42       tdstri, tdstrs
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45       Copyright (C) 1987-2009
46       University Corporation for Atmospheric Research
47       The use of this Software is governed by a License Agreement.
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51UNIX                               July 1997                    TDPRPA(3NCARG)
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