Name

PQBSSF − Returns information on polynomial curve types and data. 

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

Syntax

PQBSSF (WTYPE, N, ERRIND, MNUBSS, NCAST, CAST)

Argument          Data Type      Access    Description
---------------------------------------------------------------------------
WTYPE             Integer        Read      Workstation type
N                 Integer        Read      Surface approximation criteria
                                           element requested
ERRIND            Integer        Write     Error indicator
MNUBSS            Integer        Write     Maximum B-spline surface order
                                           supported
NCAST             Integer        Write     Number of available surface
                                           approximation criteria types
CAST              Integer        Write     Nth element of the list of surface
                                           approximation criteria types
---------------------------------------------------------------------------

Constants

Defined Argument     Constant     Description
---------------------------------------------------------------------------
CAST                 PWDSA        Workstation-dependent method
                     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)
---------------------------------------------------------------------------

Description

PQBSSF returns information on polynomial curve types and data. 

Digital PHIGS Version 3.1 does not support this function.

See Also

PBSC3
PBSS3