Name

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

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

Syntax

PUCSS (CSSLDR, CSSREC, ICUNKA, ICVNKA, INCSCP, ERRIND,
CUSORD, CVSORD, CUNKA, CVNKA, CUKNTS, CVKNTS, CRTYPE, CTYPES, NCC, UNCSCP,
VNCSCP, CSCP)

Argument        Data Type      Access     Description
-------------------------------------------------------------------------
CSSLDR          Integer        Read       Number of array elements used in
                                          CSSREC.
CSSREC(CSSLDR)  Character ∗80  Read       Data record.
ICUNKA          Integer        Read       Size of the CUKNTS array.
ICVNKA          Integer        Read       Size of the CVKNTS array.
INCSCP          Integer        Read       Size of the CSCP array.
ERRIND          Integer        Write      Error indicator.
CUSORD          Integer        Write      U color spline order.
CVSORD          Integer        Write      V color spline order.
CUNKA           Integer        Write      Number of U spline knots in the
                                          CUKNTS array.
CVNKA           Integer        Write      Number of V spline knots in the
                                          CVKNTS array.
CUKNTS(ICUNKA)  Real           Write      U color spline knots.
CVKNTS(ICVNKA)  Real           Write      V color spline knots.
CRTYPE          Integer        Write      Color spline rationality.
CTYPES          Integer        Write      Color type for the color spline.
NCC             Integer        Write      Number of color value components.
                                          This count does not include the
                                          homogeneous component in rational
                                          color splines.
UNCSCP          Integer        Write      U number of the color spline
                                          control points size.
VNCSCP          Integer        Write      V number of the color spline
                                          control points size.
CSCP(INCSCP)    Real           Write      Color spline control points.
                                          for the color spline curve.
-------------------------------------------------------------------------

Constants

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

Description

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

See Also

PPCSS