Name

PQPSF − Returns polynomial surface information. 

Operating States: PHOP, ∗, ∗, ∗
PHIGS PLUS function
 

Syntax

PQPSF (WTYPE, N, ERRIND, NPSCT, PSCT, NPPSI)

Argument          Data Type      Access    Description
---------------------------------------------------------------------------
WTYPE             Integer        Read      Workstation type
N                 Integer        Read      Curve approximation criteria
                                           element requested
ERRIND            Integer        Write     Error indicator
NPSCT             Integer        Write     Number of available parametric
                                           surface characteristics
PSCT              Integer        Write     Nth element of the list of
                                           parametric surface
                                           characteristics types
NPPSI             Integer        Write     Number of predefined parametric
                                           surface indexes
---------------------------------------------------------------------------

Constants

Defined Argument     Constant     Description
---------------------------------------------------------------------------
Curve approximation  PWDSA        Workstation-dependent method
types                PCBKSA       Constant parametric subdivision between
                                  knots
                     PCSWSA       Chordal size, in world coordinates
                     PCSNSA       Chordal size, in normalized projection
                                  coordinates
                     PCSDSA       Chordal size, in world coordinates
                     PPDWSA       Planar deviation, in world coordinates
                     PPDNSA       Planar deviation, in normalized projection
                                  coordinates
                     PPDDSA       Planar deviation, in device coordinates
                     PRWSA        Relative, in world coordinates
                     PRNSA        Relative, in normalized projection
                                  coordinates
                     PRDSA        Relative, in device coordinates
                     DCSDSA       Constant subdivision (non-PEX only)
                     DIDSA        Implementation-dependent method (PEX only)
PSCT                 PNOPC        None
                     PWDPC        Workstation-dependent characteristics
                     PICPC        Isoparametric curve
                     PLCMPC       Level curve, in modeling coordinates
                     PLCWPC       Level curve, in world coordinates
---------------------------------------------------------------------------

Description

PQPSF returns information on polynomial surface types and data. 

Digital PHIGS Version 3.1 does not support this function.

See Also

PQEPSI
PQPSR
PSPPSR
PSPSI
PSPSR