ON_SubDSurfaceNurbsFragment Class Reference

#include <opennurbs_subd.h>

Public Types
enum	BispanAccuracy : unsigned char { BispanAccuracy::None = 0, BispanAccuracy::Exact = 1, BispanAccuracy::Approximate = 2 }
	ON_SubDSurfaceNurbsFragment::BispanAccuracy specifies if a bispan surface is an exact or approximate. More...
enum	Type : unsigned char { Type::Unset = 0, Type::BicubicSingle = 1, Type::BicubicQuadrant = 4 }
	ON_SubDSurfaceNurbsFragment::Type are types bezier bispans covering a portion of a SubD face. More...

Public Member Functions
	ON_SubDSurfaceNurbsFragment ()=default
	ON_SubDSurfaceNurbsFragment (const ON_SubDSurfaceNurbsFragment &)=default
	~ON_SubDSurfaceNurbsFragment ()=default
ON_NurbsSurface *	GetQuadrantSurface (unsigned int quadrant_index, ON_NurbsSurface *destination_surface) const
ON_NurbsSurface *	GetSurface (ON_NurbsSurface *destination_surface) const
bool	IsApproximate () const
bool	IsEmpty () const
unsigned int	MaximumBispanCount () const
ON_SubDSurfaceNurbsFragment &	operator= (const ON_SubDSurfaceNurbsFragment &)=default
unsigned int	SetBispanCount () const
unsigned int	UnsetBispanCount () const

Public Attributes
ON_SubDSurfaceNurbsFragment::BispanAccuracy	m_bispan_type [4] = {}
ON_SubDFaceRegion	m_face_region
	m_face_region identifies what part of the SubD is represented by this patch More...
double	m_patch_cv [5][5][3]
	knot vector is uniform and not clamped. For example {-2,-1,0,1,2,3,4}. More...
ON_SubDSurfaceNurbsFragment::Type	m_type = ON_SubDSurfaceNurbsFragment::Type::Unset

Static Public Attributes
static const ON_SubDSurfaceNurbsFragment	Empty
	Every field of ON_SubDSurfaceNurbsFragment::Empty is zero. More...
static const ON_SubDSurfaceNurbsFragment	Nan
static const ON_SubDSurfaceNurbsFragment	Unset