HdMeshTopology Class Reference

Topology data for meshes. More...

#include <meshTopology.h>

Public Member Functions
HD_API	HdMeshTopology (const HdMeshTopology &, int refineLevel=0)
HD_API	HdMeshTopology (const PxOsdMeshTopology &, int refineLevel=0)
HD_API	HdMeshTopology (const TfToken &scheme, const TfToken &orientation, const VtIntArray &faceVertexCounts, const VtIntArray &faceVertexIndices, int refineLevel=0)
HD_API	HdMeshTopology (const TfToken &scheme, const TfToken &orientation, const VtIntArray &faceVertexCounts, const VtIntArray &faceVertexIndices, const VtIntArray &holeIndices, int refineLevel=0)
HD_API	HdMeshTopology (const HdMeshSchema &schema)
HD_API HdMeshTopology &	operator= (const HdMeshTopology &copy)
PxOsdMeshTopology const &	GetPxOsdMeshTopology () const
HD_API int	GetNumFaces () const
	Returns the num faces.
HD_API int	GetNumFaceVaryings () const
	Returns the num facevarying primvars.
HD_API int	GetNumPoints () const
	Returns the num points of the topology vert indices array.
TfToken const	GetScheme () const
	Returns the subdivision scheme.
int	GetRefineLevel () const
	Returns the refinement level.
VtIntArray const &	GetFaceVertexCounts () const
	Returns face vertex counts.
VtIntArray const &	GetFaceVertexIndices () const
	Returns face vertex indics.
TfToken const &	GetOrientation () const
	Returns orientation.
virtual HD_API ID	ComputeHash () const
	Returns the hash value of this topology to be used for instancing.
HD_API bool	operator== (HdMeshTopology const &other) const
	Equality check between two mesh topologies.
Hole
void	SetHoleIndices (VtIntArray const &holeIndices)
	Sets hole face indices.
VtIntArray const &	GetHoleIndices () const
	Returns the hole face indices.
Subdivision
void	SetSubdivTags (PxOsdSubdivTags const &subdivTags)
	Sets subdivision tags.
PxOsdSubdivTags const &	GetSubdivTags () const
	Returns subdivision tags.
Geometry subsets
HD_API void	SetGeomSubsets (HdGeomSubsets const &geomSubsets)
	Sets geometry subsets.
HD_API HdGeomSubsets const &	GetGeomSubsets () const
	Returns geometry subsets.
Topological invisibility
HD_API void	SetInvisiblePoints (VtIntArray const &invisiblePoints)
HD_API VtIntArray const &	GetInvisiblePoints () const
HD_API void	SetInvisibleFaces (VtIntArray const &invisibleFaces)
HD_API VtIntArray const &	GetInvisibleFaces () const

Static Public Member Functions
static HD_API bool	IsEnabledAdaptive ()
	Returns whether adaptive subdivision is enabled or not.
static HD_API int	ComputeNumPoints (VtIntArray const &verts)
	Returns the num points by looking vert indices array.

Protected Attributes
PxOsdMeshTopology	_topology
HdGeomSubsets	_geomSubsets
VtIntArray	_invisiblePoints
VtIntArray	_invisibleFaces
int	_refineLevel
int	_numPoints

Detailed Description

Topology data for meshes.

HdMeshTopology holds the raw input topology data for a mesh and is capable of computing derivative topological data (such as indices or subdivision stencil tables and patch tables).

Definition at line 40 of file meshTopology.h.

Member Function Documentation

ComputeHash()

virtual HD_API ID ComputeHash ( ) const

virtual

Returns the hash value of this topology to be used for instancing.

ComputeNumPoints()

static HD_API int ComputeNumPoints ( VtIntArray const & verts )

static

Returns the num points by looking vert indices array.

GetFaceVertexCounts()

VtIntArray const & GetFaceVertexCounts ( ) const

inline

Returns face vertex counts.

Definition at line 107 of file meshTopology.h.

GetFaceVertexIndices()

VtIntArray const & GetFaceVertexIndices ( ) const

inline

Returns face vertex indics.

Definition at line 112 of file meshTopology.h.

GetGeomSubsets()

HD_API HdGeomSubsets const & GetGeomSubsets ( ) const

inline

Returns geometry subsets.

Definition at line 174 of file meshTopology.h.

GetHoleIndices()

VtIntArray const & GetHoleIndices ( ) const

inline

Returns the hole face indices.

Definition at line 140 of file meshTopology.h.

GetInvisibleFaces()

HD_API VtIntArray const & GetInvisibleFaces ( ) const

inline

Definition at line 200 of file meshTopology.h.

GetInvisiblePoints()

HD_API VtIntArray const & GetInvisiblePoints ( ) const

inline

Definition at line 190 of file meshTopology.h.

GetNumFaces()

HD_API int GetNumFaces

(

)

const

Returns the num faces.

GetNumFaceVaryings()

HD_API int GetNumFaceVaryings

(

)

const

Returns the num facevarying primvars.

GetNumPoints()

HD_API int GetNumPoints

(

)

const

Returns the num points of the topology vert indices array.

GetOrientation()

TfToken const & GetOrientation ( ) const

inline

Returns orientation.

Definition at line 117 of file meshTopology.h.

GetPxOsdMeshTopology()

PxOsdMeshTopology const & GetPxOsdMeshTopology ( ) const

inline

Definition at line 76 of file meshTopology.h.

GetRefineLevel()

int GetRefineLevel ( ) const

inline

Returns the refinement level.

Definition at line 102 of file meshTopology.h.

GetScheme()

TfToken const GetScheme ( ) const

inline

Returns the subdivision scheme.

Definition at line 97 of file meshTopology.h.

GetSubdivTags()

PxOsdSubdivTags const & GetSubdivTags ( ) const

inline

Returns subdivision tags.

Definition at line 156 of file meshTopology.h.

IsEnabledAdaptive()

static HD_API bool IsEnabledAdaptive ( )

static

Returns whether adaptive subdivision is enabled or not.

operator==()

HD_API bool operator==

(

HdMeshTopology const &

other

)

const

Equality check between two mesh topologies.

SetGeomSubsets()

HD_API void SetGeomSubsets ( HdGeomSubsets const & geomSubsets )

inline

Sets geometry subsets.

Definition at line 168 of file meshTopology.h.

SetHoleIndices()

void SetHoleIndices ( VtIntArray const & holeIndices )

inline

Sets hole face indices.

faceIndices needs to be sorted in ascending order.

Definition at line 135 of file meshTopology.h.

SetInvisibleFaces()

HD_API void SetInvisibleFaces ( VtIntArray const & invisibleFaces )

inline

Definition at line 195 of file meshTopology.h.

SetInvisiblePoints()

HD_API void SetInvisiblePoints ( VtIntArray const & invisiblePoints )

inline

Definition at line 185 of file meshTopology.h.

SetSubdivTags()

void SetSubdivTags ( PxOsdSubdivTags const & subdivTags )

inline

Sets subdivision tags.

Definition at line 151 of file meshTopology.h.

Member Data Documentation

_geomSubsets

HdGeomSubsets _geomSubsets

protected

Definition at line 211 of file meshTopology.h.

_invisibleFaces

VtIntArray _invisibleFaces

protected

Definition at line 213 of file meshTopology.h.

_invisiblePoints

VtIntArray _invisiblePoints

protected

Definition at line 212 of file meshTopology.h.

_numPoints

int _numPoints

protected

Definition at line 215 of file meshTopology.h.

_refineLevel

int _refineLevel

protected

Definition at line 214 of file meshTopology.h.

_topology

PxOsdMeshTopology _topology

protected

Definition at line 210 of file meshTopology.h.

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

• pxr/imaging/hd/meshTopology.h