Name

PUDSS − Unpacks spline surface data for the PBSS3D element or primitive. 

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

Syntax

PUDSS (DSSLDR, DSSREC, IDS, IDUNKA, IDVNKA, IDNSCP, ERRIND,
DUSORD, DVSORD, DUNKA, DVNKA, DUKNTS, DVKNTS, DRTYPE, UNDSCP, VNDSCP,
DDIMS, DSCP)

Argument        Data Type      Access     Description
---------------------------------------------------------------------------
DSSLDR          Integer        Read       Number of array elements used in
                                          DSSREC
DSSREC(CSCLDR)  Character ∗80  Read       Data record for the data spline
                                          surface
IDS             Integer        Read       Which data spline
IDUNKA          Integer        Read       Size of the DUKNTS array
IDVNKA          Integer        Read       Size of the DVKNTS array
IDNSCP          Integer        Read       Size of the DSCP array
ERRIND          Integer        Write      Error indicator.
DUSORD          Integer        Write      U data spline order
DVSORD          Integer        Write      V data spline order
DUNKA           Integer        Write      Number of U spline knots in the
                                          array
DVNKA           Integer        Write      Number of V spline knots in the
                                          array
DUKNTS(IDUNKA)  Real           Write      U data spline knots
DVKNTS(IDVNKA)  Real           Write      V data spline knots
DRTYPE          Integer        Write      Data spline rationality
UNDSCP          Integer        Write      U number of the size of the data
                                          spline control points
VNDSCP          Integer        Write      V number of the size of the data
                                          spline control points
DDIMS           Integer        Write      Data size for the spline
DSCP(IDNSCP)    Real           Write      Data spline control points
-------------------------------------------------------------------------

Constants

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

Description

PUDSS unpacks the spline surface data for the PBSS3D structure element or primitive. 

See Also

PPDSS