PatchDescriptor Class Reference

Describes the type of a patch. More...

#include <patchDescriptor.h>

Public Types
enum	Type {   NON_PATCH = 0 ,   POINTS ,   LINES ,   QUADS ,   TRIANGLES ,   LOOP ,   REGULAR ,   GREGORY ,   GREGORY_BOUNDARY ,   GREGORY_BASIS ,   GREGORY_TRIANGLE }

Public Member Functions
	PatchDescriptor ()
	Default constructor.
	PatchDescriptor (int type)
	Constructor.
	PatchDescriptor (PatchDescriptor const &d)
	Copy Constructor.
PatchDescriptor &	operator= (PatchDescriptor const &d)
	Assignment operator.
Type	GetType () const
	Returns the type of the patch.
bool	IsAdaptive () const
	Returns true if the type is an adaptive patch.
short	GetNumControlVertices () const
	Returns the number of control vertices expected for a patch of the type described.
short	GetNumFVarControlVertices () const
	Deprecated.
bool	operator< (PatchDescriptor const other) const
	Allows ordering of patches by type.
bool	operator== (PatchDescriptor const other) const
	True if the descriptors are identical.
void	print () const

Static Public Member Functions
static bool	IsAdaptive (Type type)
	Returns true if the type is an adaptive (non-linear) patch.
static short	GetNumControlVertices (Type t)
	Returns the number of control vertices expected for a patch of the type described.
static short	GetNumFVarControlVertices (Type t)
	Deprecated.
static short	GetRegularPatchSize ()
	Number of control vertices of Regular Patches in table.
static short	GetGregoryPatchSize ()
	Number of control vertices of Gregory (and Gregory Boundary) Patches in table.
static short	GetGregoryBasisPatchSize ()
	Number of control vertices of Gregory patch basis (20)
static Vtr::ConstArray< PatchDescriptor >	GetAdaptivePatchDescriptors (Sdc::SchemeType type)
	Returns a vector of all the legal patch descriptors for the given adaptive subdivision scheme.

Detailed Description

Describes the type of a patch.

Uniquely identifies all the different types of patches

Definition at line 44 of file patchDescriptor.h.

Member Enumeration Documentation

Type

enum Type

Enumerator
NON_PATCH	undefined
POINTS	points (useful for cage drawing)
LINES	lines (useful for cage drawing)
QUADS	4-sided quadrilateral (bilinear)
TRIANGLES	3-sided triangle
LOOP	regular triangular patch for the Loop scheme
REGULAR	regular B-Spline patch for the Catmark scheme
GREGORY
GREGORY_BOUNDARY
GREGORY_BASIS
GREGORY_TRIANGLE

Definition at line 48 of file patchDescriptor.h.

Constructor & Destructor Documentation

PatchDescriptor() [1/3]

PatchDescriptor ( )

inline

Default constructor.

Definition at line 69 of file patchDescriptor.h.

PatchDescriptor() [2/3]

PatchDescriptor ( int  type )

inline

Constructor.

Definition at line 73 of file patchDescriptor.h.

PatchDescriptor() [3/3]

PatchDescriptor ( PatchDescriptor const &  d )

inline

Copy Constructor.

Definition at line 77 of file patchDescriptor.h.

Member Function Documentation

GetAdaptivePatchDescriptors()

static Vtr::ConstArray< PatchDescriptor > GetAdaptivePatchDescriptors ( Sdc::SchemeType  type )

static

Returns a vector of all the legal patch descriptors for the given adaptive subdivision scheme.

GetGregoryBasisPatchSize()

static short GetGregoryBasisPatchSize ( )

inlinestatic

Number of control vertices of Gregory patch basis (20)

Definition at line 126 of file patchDescriptor.h.

GetGregoryPatchSize()

static short GetGregoryPatchSize ( )

inlinestatic

Number of control vertices of Gregory (and Gregory Boundary) Patches in table.

Definition at line 123 of file patchDescriptor.h.

GetNumControlVertices() [1/2]

short GetNumControlVertices ( ) const

inline

Returns the number of control vertices expected for a patch of the type described.

Definition at line 110 of file patchDescriptor.h.

GetNumControlVertices() [2/2]

short GetNumControlVertices ( Type  t )

inlinestatic

Returns the number of control vertices expected for a patch of the type described.

Definition at line 150 of file patchDescriptor.h.

GetNumFVarControlVertices() [1/2]

short GetNumFVarControlVertices ( ) const

inline

Deprecated.

See also

PatchDescriptor::GetNumControlVertices

Definition at line 115 of file patchDescriptor.h.

GetNumFVarControlVertices() [2/2]

short GetNumFVarControlVertices ( Type  t )

inlinestatic

Deprecated.

See also

PatchDescriptor::GetNumControlVertices

Definition at line 168 of file patchDescriptor.h.

GetRegularPatchSize()

static short GetRegularPatchSize ( )

inlinestatic

Number of control vertices of Regular Patches in table.

Definition at line 120 of file patchDescriptor.h.

GetType()

Type GetType ( ) const

inline

Returns the type of the patch.

Definition at line 87 of file patchDescriptor.h.

IsAdaptive() [1/2]

bool IsAdaptive ( ) const

inline

Returns true if the type is an adaptive patch.

Definition at line 97 of file patchDescriptor.h.

IsAdaptive() [2/2]

static bool IsAdaptive ( Type  type )

inlinestatic

Returns true if the type is an adaptive (non-linear) patch.

Definition at line 92 of file patchDescriptor.h.

operator<()

bool operator< ( PatchDescriptor const  other ) const

inline

Allows ordering of patches by type.

Definition at line 173 of file patchDescriptor.h.

operator=()

PatchDescriptor & operator= ( PatchDescriptor const &  d )

inline

Assignment operator.

Definition at line 81 of file patchDescriptor.h.

operator==()

bool operator== ( PatchDescriptor const  other ) const

inline

True if the descriptors are identical.

Definition at line 180 of file patchDescriptor.h.

print()

void print

(

)

const

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The documentation for this class was generated from the following file:

• opensubdiv/far/patchDescriptor.h