Name

PPDSS − Packs spline surface data for the PBSS3D element or primitive. 

Operating States: PHOP, ∗, ∗, AROP
PHIGS standard function
 

Syntax

PPDSS (INITFL, DATAFL, DUSORD, DVSORD, DUNKA, DVNKA, DUKNTS,
DVKNTS, DRTYPE, UNDSCP, VNDSCP, DDIMS, DSCP, MLDR, ERRIND, DSSLDR, DSSREC)

Argument       Data Type      Access    Description
-------------------------------------------------------------------------
INITFL         Logical        Read      Data record initialization flag
DATAFL         Logical        Read      Data record new data spline flag
DUSORD         Integer        Read      U data spline order
DVSORD         Integer        Read      V data spline order
DUNKA          Integer        Read      Number of U spline knots in the
                                        DUKNTS array
DVNKA          Integer        Read      Number of V spline knots in the
                                        DVKNTS array
DUKNTS(DUNKA)  Real           Read      U data spline knots
DVKNTS(DVNKA)  Real           Read      V data spline knots
DRTYPE         Integer        Read      Data spline rationality
UNDSCP         Integer        Read      U number of the size of the data
                                        spline control points
VNDSCP         Integer        Read      U number of the size of the data
                                        spline control points
DDIMS          Integer        Read      Data size for the spline
DSCP(∗)        Real           Read      Data spline control points
MLDR           Integer        Read      Size of the data record array for
                                        the data spline surface
ERRIND         Integer        Write     Error indicator
DSSLDR         Integer        Write     Number of array elements used in
                                        DSSREC
DSSREC(DSSLDR) Character ∗80  Write     Data record for the data spline
                                        surface
-------------------------------------------------------------------------

Constants

Defined Argument     Constant     Description
-------------------------------------------------------------------------
DRTYPE               PRAT         Rational (4D) control points
                     PNRAT        Nonrational (3D) control points
-------------------------------------------------------------------------

Description

PPDSS packs the spline surface data for the PBSS3D structure element or primitive. 

See Also

PBSS3D
PUDSS