Triangle mesh data structure allowing for convenient access of the elements. More...

#include <WTriangleMesh.h>

Inheritance diagram for WTriangleMesh:

Collaboration diagram for WTriangleMesh:

Public Types
typedef std::shared_ptr< WTriangleMesh >	SPtr
	Shared pointer. More...

typedef std::shared_ptr< const WTriangleMesh >	ConstSPtr
	Const shared pointer. More...

Public Member Functions
	WTriangleMesh (size_t vertNum, size_t triangleNum)
	constructor that already reserves space for a given number of triangles and vertexes More...

	WTriangleMesh (osg::ref_ptr< osg::Vec3Array > vertices, const std::vector< size_t > &triangles)
	Constructs a new mesh out of the given vertices and triangles. More...

virtual	~WTriangleMesh ()
	destructor More...

virtual const std::string	getName () const
	Gets the name of this prototype. More...

virtual const std::string	getDescription () const
	Gets the description for this prototype. More...

size_t	addVertex (osg::Vec3 vert)
	adds a vertex position to the mesh More...

size_t	addVertex (float x, float y, float z)
	adds a vertex position to the mesh More...

size_t	addVertex (WPosition vert)
	adds a vertex position to the mesh More...

void	addTextureCoordinate (osg::Vec3 texCoord)
	Adds a texture coordinate for the vertex. More...

void	addTextureCoordinate (float x, float y, float z)
	Adds a texture coordinate for the vertex. More...

void	addTriangle (size_t vert0, size_t vert1, size_t vert2)
	adds a tringle to the mesh More...

void	addTriangle (osg::Vec3 vert0, osg::Vec3 vert1, osg::Vec3 vert2)
	adds a tringle and its 3 vertexes to the mesh More...

void	setVertex (size_t index, osg::Vec3 vert)
	sets a vertex to a new position More...

void	setVertexNormal (size_t index, osg::Vec3 normal)
	sets the normal for a given vertex More...

void	setVertexNormal (size_t index, float x, float y, float z)
	sets the normal for a given vertex More...

void	setVertexNormal (size_t index, WPosition normal)
	sets the normal for a given vertex More...

void	setVertexColor (size_t index, osg::Vec4 color)
	sets the color for a given vertex More...

void	setTriangleColor (size_t index, osg::Vec4 color)
	sets the color for a given triangle More...

void	setTextureCoord (std::size_t index, osg::Vec3 texCoord)
	Set a texture coordinate. More...

osg::ref_ptr< osg::Vec4Array >	getTriangleColors () const
	Return triangle colors. More...

osg::ref_ptr< osg::Vec3Array >	getVertexArray ()
	getter More...

osg::ref_ptr< const osg::Vec3Array >	getVertexArray () const
	Returns a const reference pointer to the vertex array. More...

osg::ref_ptr< osg::Vec3Array >	getTextureCoordinateArray ()
	Returns a reference pointer to the texture coordinate array. More...

osg::ref_ptr< const osg::Vec3Array >	getTextureCoordinateArray () const
	Returns a const reference pointer to the texture coordinate array. More...

osg::ref_ptr< osg::Vec3Array >	getVertexNormalArray (bool forceRecalc=false)
	Get normal array containing smooth normals for each vertex. More...

osg::ref_ptr< osg::Vec3Array >	getVertexFlatNormalArray (bool forceRecalc=false)
	Get the normal array with flat normals for each vertex. More...

osg::ref_ptr< osg::Vec4Array >	getVertexColorArray ()
	Color array with a color for each vertex. More...

const std::vector< size_t > &	getTriangles () const
	Returns a const reference to the vertex ids of the triangles. More...

osg::ref_ptr< osg::Vec3Array >	getTriangleNormalArray (bool forceRecalc=false)
	Normal per triangle. More...

osg::Vec3	getVertex (size_t index) const
	getter More...

osg::Vec4	getVertColor (size_t index) const
	getter More...

osg::Vec3	getTriVert (size_t triId, size_t vertNum)
	getter More...

WVector3d	getNormal (size_t index)
	getter More...

size_t	vertSize () const
	getter More...

size_t	triangleSize () const
	getter More...

void	doLoopSubD ()
	performs a loop subdivision on the triangle mesh More...

size_t	getTriVertId0 (size_t triId) const
	returns the id of the first vertex of a triangle More...

size_t	getTriVertId1 (size_t triId) const
	returns the id of the second vertex of a triangle More...

size_t	getTriVertId2 (size_t triId) const
	return the id of the third vertex of a triangle More...

void	addMesh (std::shared_ptr< WTriangleMesh > mesh, float xOff=0., float yOff=0., float zOff=0.)
	adds a mesh to the existing, no check for duplicate vertexes is performed, an additional vector may be specified to move the mesh to add More...

void	translateMesh (float xOff, float yOff, float zOff)
	moves the entire mesh to a new postion More...

void	zoomMesh (float zoom)
	multiplies the vertex vectors of the mesh with a given number More...

bool	operator== (const WTriangleMesh &rhs) const
	Checks if two meshes are exactly the same. More...

void	rescaleVertexColors ()
	Rescale the vertex colors so that the maximum of all r, g and b values is 1. More...

void	performFeaturePreservingSmoothing (float sigmaDistance, float sigmaInfluence)
	Implements the feature-preserving mesh smoothing algorithm of Jones et al. More...

void	estimateCurvature ()
	Estimates the normal curvatures and their principal directions for every vertex using the algorithm of: More...

double	getMainCurvature (std::size_t vtxId) const
	Retreive the main (maximum) curvature of a vertex. More...

double	getSecondaryCurvature (std::size_t vtxId) const
	Retreive the secondary (minimum) curvature of a vertex. More...

std::shared_ptr< std::vector< float > > const &	getMainCurvatures () const
	Get the vector of main curvature values. More...

std::shared_ptr< std::vector< float > > const &	getSecondaryCurvatures () const
	Get the vector of secondary curvature values. More...

osg::Vec3	getCurvatureMainPrincipalDirection (std::size_t vtxId) const
	Retreive the 3d principal direction of curvature of a vertex. More...

osg::Vec3	getCurvatureSecondaryPrincipalDirection (std::size_t vtxId) const
	Retreive the 3d principal direction of curvature for the minimum normal curvature of a vertex. More...

osg::ref_ptr< osg::Vec3Array >	getMainPrincipalCurvatureDirectionArray ()
	Retreive the array of principal directions e.g. More...

osg::ref_ptr< osg::Vec3Array >	getSecondaryPrincipalCurvatureDirectionArray ()
	Retreive the array of principal directions e.g. More...

void	recalcVertNormals ()
	recalculates the vertex normals More...

void	setAutoRecalcNormals (bool autoRecalc=true)
	Set this to true to force automatic normal calculation. More...

Public Member Functions inherited from WTransferable
	WTransferable ()
	Default constructor. More...

virtual	~WTransferable ()
	Destructor. More...

Public Member Functions inherited from WPrototyped
	WPrototyped ()
	Default constructor. More...

virtual	~WPrototyped ()
	Destructor. More...

template<typename T >
bool	isA ()
	Checks whether the actual prototype has the specified runtime type. More...

Static Public Member Functions
static std::shared_ptr< WPrototyped >	getPrototype ()
	Returns a prototype instantiated with the true type of the deriving class. More...

Static Protected Attributes
static std::shared_ptr< WPrototyped >	m_prototype = std::shared_ptr< WPrototyped >()
	The prototype as singleton. More...

Private Member Functions
	WTriangleMesh ()
	we don't allow the standard constructor More...

void	removeVertex (size_t index)
	removes a vertex from the vertex array, if any triangles still index that vertex they will be removed if forceRemoveTriangle is true More...

void	removeTriangle (size_t index)
	removes a triangle from the mesh More...

osg::Vec3	calcTriangleNormal (size_t triangle)
	calculates a normal from the 3 points in space defining a triangle More...

osg::Vec3	calcNormal (osg::Vec3 vert0, osg::Vec3 vert1, osg::Vec3 vert2)
	calculates a normal from the 3 points in space More...

void	updateVertsInTriangles ()
	updates the list for which vertexes appear in which triangle More...

void	calcNeighbors ()
	calculates neighbor information for triangles More...

size_t	getNeighbor (const size_t coVert1, const size_t coVert2, const size_t triangleNum)
	returns the triangle index of a triangle neighboring a given edge of a vertex More...

void	setTriVert0 (size_t triId, size_t vertId)
	higher level access function to the triangle vector, sets the first vertex of a triangle to a given vertex id More...

void	setTriVert1 (size_t triId, size_t vertId)
	higher level access function to the triangle vector, sets the second vertex of a triangle to a given vertex id More...

void	setTriVert2 (size_t triId, size_t vertId)
	higher level access function to the triangle vector, sets the third vertex of a triangle to a given vertex id More...

void	loopSetTriangle (size_t triId, size_t vertId1, size_t vertId2, size_t vertId3)
	changes the vertex ids of a triangle More...

void	loopEraseTriangleFromVertex (size_t triId, size_t vertId)
	erases a triangle from the vertexe's list of triangles it is part of More...

osg::Vec3	loopCalcNewPosition (size_t vertId)
	calculates the new position of a vertex depending on it's location in the grid and number of neighbors More...

void	loopInsertCenterTriangle (size_t triId)
	inserts the center triangle in a given triangle, More...

void	loopInsertCornerTriangles (size_t triId)
	inserts the 3 corner triangles in a given triangle More...

size_t	loopCalcEdgeVert (size_t triId, size_t edgeV1, size_t edgeV2, size_t V3)
	calculates the vertex id for a given edge, inserts a new vertex of none exists yet More...

double	loopGetAlpha (int n)
	loop helper function More...

size_t	loopGetNextVertex (size_t triNum, size_t vertNum)
	returns the id of the next vertex int he triangle More...

size_t	loopGetThirdVert (size_t coVert1, size_t coVert2, size_t triangleNum)
	returns the id of the third vertex of a triangle for two given vertexes More...

void	performFeaturePreservingSmoothingMollificationPass (float sigmaDistance, float sigmaInfluence)
	Performs the first pass of the feature-preserving smoothing, only changing the triangle normals. More...

void	performFeaturePreservingSmoothingVertexPass (float sigmaDistance, float sigmaInfluence)
	Performs the second pass of the feature-preserving smoothing. More...

osg::Vec3	estimateSmoothedVertexPosition (std::size_t vtx, float sigmaDistance, float sigmaInfluence, bool mollify)
	Calculates Eq. More...

osg::Vec3	calcTriangleCenter (std::size_t triIdx) const
	Calculates the center position of a triangle. More...

float	calcTriangleArea (std::size_t triIdx) const
	Calculates the area of a triangle. More...

double	calcAngleBetweenNormalizedVectors (osg::Vec3 const &v1, osg::Vec3 const &v2)
	Calculates the angle between two NORMALIZED vectors. More...

Private Attributes
size_t	m_countVerts
	number of vertexes in the mesh More...

size_t	m_countTriangles
	number of triangles in the mesh More...

bool	m_meshDirty
	flag indicating a change took place which requires a recalculation of components More...

bool	m_autoNormal
	flag denoting whether normals should be calculated automatically. More...

bool	m_neighborsCalculated
	flag indicating whether the neighbor information has been calculated yet More...

bool	m_curvatureCalculated
	Indicates whether the curvature and its principal directions have been calculated. More...

osg::ref_ptr< osg::Vec3Array >	m_verts
	array containing the vertices More...

osg::ref_ptr< osg::Vec3Array >	m_textureCoordinates
	array containing the texture coordinates More...

osg::ref_ptr< osg::Vec3Array >	m_vertNormals
	array containing the vertex normals More...

osg::ref_ptr< osg::Vec3Array >	m_vertFlatNormals
	array containing the flat vertex normals More...

osg::ref_ptr< osg::Vec4Array >	m_vertColors
	array containing vertex colors More...

std::vector< size_t >	m_triangles
	array containing the triangles More...

osg::ref_ptr< osg::Vec3Array >	m_triangleNormals
	array containing the triangle normals More...

osg::ref_ptr< osg::Vec4Array >	m_triangleColors
	array containing the triangle colors More...

std::vector< std::vector< size_t > >	m_vertexIsInTriangle
	for each vertex, list of triangles it is part of More...

std::vector< std::vector< size_t > >	m_triangleNeighbors
	edge neighbors for each triangle More...

std::shared_ptr< std::vector< float > >	m_mainNormalCurvature
	Stores the maximum normal curvature (for the first principal direction) for each vertex. More...

std::shared_ptr< std::vector< float > >	m_secondaryNormalCurvature
	Stores the minimum normal curvature (for the second principal direction) for each vertex. More...

osg::ref_ptr< osg::Vec3Array >	m_mainCurvaturePrincipalDirection
	Stores the first principal curvature direction for each vertex. More...

osg::ref_ptr< osg::Vec3Array >	m_secondaryCurvaturePrincipalDirection
	Stores the second principal curvature direction for each vertex. More...

size_t	m_numTriVerts
	stores the number of vertexes before the loop subdivion is run, needed by the loop algorithm More...

size_t	m_numTriFaces
	stores the number of triangles before the loop subdivion is run, needed by the loop algorithm More...

Friends
class	WTriangleMeshTest
	Access for test class. More...

Detailed Description

Triangle mesh data structure allowing for convenient access of the elements.

Definition at line 45 of file WTriangleMesh.h.

Member Typedef Documentation

◆ ConstSPtr

typedef std::shared_ptr< const WTriangleMesh > WTriangleMesh::ConstSPtr

Const shared pointer.

Definition at line 60 of file WTriangleMesh.h.

◆ SPtr

typedef std::shared_ptr< WTriangleMesh > WTriangleMesh::SPtr

Shared pointer.

Definition at line 55 of file WTriangleMesh.h.

Constructor & Destructor Documentation

◆ WTriangleMesh() [1/3]

WTriangleMesh::WTriangleMesh	(	size_t	vertNum,
		size_t	triangleNum
	)

constructor that already reserves space for a given number of triangles and vertexes

Parameters

vertNum
triangleNum

Definition at line 61 of file WTriangleMesh.cpp.

References m_textureCoordinates, m_triangleColors, m_triangleNormals, m_triangles, m_vertColors, m_vertFlatNormals, m_vertNormals, and m_verts.

◆ WTriangleMesh() [2/3]

WTriangleMesh::WTriangleMesh	(	osg::ref_ptr< osg::Vec3Array >	vertices,
		const std::vector< size_t > &	triangles
	)

Constructs a new mesh out of the given vertices and triangles.

Parameters

vertices	Vec3Array storing all vertices
triangles	Vector of consecutive vertex indices where each 3 IDs are a triangle starting at 0,1,2 for first triangle 3,4,5 for the second

Definition at line 80 of file WTriangleMesh.cpp.

◆ ~WTriangleMesh()

WTriangleMesh::~WTriangleMesh ( )

virtual

destructor

Definition at line 98 of file WTriangleMesh.cpp.

◆ WTriangleMesh() [3/3]

WTriangleMesh::WTriangleMesh ( )

private

we don't allow the standard constructor

Referenced by getPrototype().

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Member Function Documentation

◆ addMesh()

void WTriangleMesh::addMesh	(	std::shared_ptr< WTriangleMesh >	mesh,
		float	xOff = `0.`,
		float	yOff = `0.`,
		float	zOff = `0.`
	)

adds a mesh to the existing, no check for duplicate vertexes is performed, an additional vector may be specified to move the mesh to add

Parameters

mesh
xOff
yOff
zOff

Definition at line 616 of file WTriangleMesh.cpp.

References addTriangle(), addVertex(), m_countVerts, m_meshDirty, and setVertexColor().

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◆ addTextureCoordinate() [1/2]

void WTriangleMesh::addTextureCoordinate	(	float	x,
		float	y,
		float	z
	)

inline

Adds a texture coordinate for the vertex.

Parameters

x	texture coordinate X
y	texture coordinate Y
z	texture coordinate Z

Definition at line 836 of file WTriangleMesh.h.

References addTextureCoordinate().

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◆ addTextureCoordinate() [2/2]

void WTriangleMesh::addTextureCoordinate ( osg::Vec3 texCoord )

inline

Adds a texture coordinate for the vertex.

Parameters

texCoord the texture coordinate

Definition at line 831 of file WTriangleMesh.h.

References m_countVerts.

Referenced by addTextureCoordinate().

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◆ addTriangle() [1/2]

void WTriangleMesh::addTriangle	(	osg::Vec3	vert0,
		osg::Vec3	vert1,
		osg::Vec3	vert2
	)

adds a tringle and its 3 vertexes to the mesh

Parameters

vert0	position of the first vertex
vert1	position of the second vertex
vert2	position of the third vertex

Definition at line 129 of file WTriangleMesh.cpp.

References addTriangle(), addVertex(), and m_countVerts.

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◆ addTriangle() [2/2]

void WTriangleMesh::addTriangle	(	size_t	vert0,
		size_t	vert1,
		size_t	vert2
	)

adds a tringle to the mesh

Parameters

vert0	index of the first vertex
vert1	index of the second vertex
vert2	index of the third vertex

Definition at line 117 of file WTriangleMesh.cpp.

References m_countTriangles, and m_triangles.

Referenced by addMesh(), addTriangle(), loopInsertCenterTriangle(), loopInsertCornerTriangles(), WTriangleMeshTest::testComponentDecomposition(), and WTriangleMeshTest::testEqualityOperator().

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◆ addVertex() [1/3]

size_t WTriangleMesh::addVertex	(	float	x,
		float	y,
		float	z
	)

adds a vertex position to the mesh

Parameters

x
y
z

Returns: the index of the vertex

Definition at line 107 of file WTriangleMesh.cpp.

References addVertex().

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◆ addVertex() [2/3]

size_t WTriangleMesh::addVertex ( osg::Vec3 vert )

inline

adds a vertex position to the mesh

Parameters

vert

Returns: the index of the vertex

Definition at line 841 of file WTriangleMesh.h.

References m_countVerts.

Referenced by addMesh(), addTriangle(), addVertex(), loopCalcEdgeVert(), WTriangleMeshTest::testComponentDecomposition(), and WTriangleMeshTest::testEqualityOperator().

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◆ addVertex() [3/3]

size_t WTriangleMesh::addVertex ( WPosition vert )

adds a vertex position to the mesh

Parameters

vert	vertex to add

Returns: the index of the vertex

Definition at line 112 of file WTriangleMesh.cpp.

References addVertex().

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◆ calcAngleBetweenNormalizedVectors()

double WTriangleMesh::calcAngleBetweenNormalizedVectors	(	osg::Vec3 const &	v1,
		osg::Vec3 const &	v2
	)

private

Calculates the angle between two NORMALIZED vectors.

Asserts in debug mode, in release mode when called with non-normalized vectors, results are undefined.

Parameters

v1	The first NORMALIZED vector.
v2	The second NORMALIZED vector.

Returns: The angle between the vectors in radians.

Definition at line 1146 of file WTriangleMesh.cpp.

Referenced by estimateCurvature().

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◆ calcNeighbors()

void WTriangleMesh::calcNeighbors ( )

private

calculates neighbor information for triangles

Definition at line 359 of file WTriangleMesh.cpp.

References getNeighbor(), getTriVertId0(), getTriVertId1(), getTriVertId2(), m_countTriangles, m_neighborsCalculated, and m_triangleNeighbors.

Referenced by estimateCurvature(), and performFeaturePreservingSmoothing().

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◆ calcNormal()

osg::Vec3 WTriangleMesh::calcNormal	(	osg::Vec3	vert0,
		osg::Vec3	vert1,
		osg::Vec3	vert2
	)

private

calculates a normal from the 3 points in space

Parameters

vert0	vertex 1
vert1	vertex 2
vert2	vertex 3

Returns: the normal of the plane defined by these three points

Definition at line 333 of file WTriangleMesh.cpp.

◆ calcTriangleArea()

float WTriangleMesh::calcTriangleArea ( std::size_t triIdx ) const

private

Calculates the area of a triangle.

Parameters

triIdx The id of the triangle to calculate the area of.

Returns: The area of the triangle.

Definition at line 913 of file WTriangleMesh.cpp.

References m_triangles, and m_verts.

Referenced by estimateSmoothedVertexPosition().

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◆ calcTriangleCenter()

osg::Vec3 WTriangleMesh::calcTriangleCenter ( std::size_t triIdx ) const

private

Calculates the center position of a triangle.

Parameters

triIdx The id of the triangle to calculate the center of.

Returns: The center of the triangle.

Definition at line 903 of file WTriangleMesh.cpp.

References m_triangles, and m_verts.

Referenced by estimateCurvature(), and estimateSmoothedVertexPosition().

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◆ calcTriangleNormal()

osg::Vec3 WTriangleMesh::calcTriangleNormal ( size_t triangle )

private

calculates a normal from the 3 points in space defining a triangle

Parameters

triangle

Returns: the normal of the triangle

Definition at line 317 of file WTriangleMesh.cpp.

References getTriVert().

Referenced by recalcVertNormals().

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◆ doLoopSubD()

void WTriangleMesh::doLoopSubD ( )

performs a loop subdivision on the triangle mesh

Definition at line 395 of file WTriangleMesh.cpp.

References loopCalcNewPosition(), loopInsertCenterTriangle(), loopInsertCornerTriangles(), m_countTriangles, m_countVerts, m_meshDirty, m_numTriFaces, m_numTriVerts, m_triangleColors, m_triangles, m_vertColors, m_vertexIsInTriangle, m_vertNormals, m_verts, and updateVertsInTriangles().

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◆ estimateCurvature()

void WTriangleMesh::estimateCurvature ( )

Estimates the normal curvatures and their principal directions for every vertex using the algorithm of:

DONG, Chen-shi; WANG, Guo-zhao. Curvatures estimation on triangular mesh. Journal of Zhejiang University SCIENCE, 2005, 6. Jg., Nr. 1, S. 128-136.

Definition at line 922 of file WTriangleMesh.cpp.

References calcAngleBetweenNormalizedVectors(), calcNeighbors(), calcTriangleCenter(), m_curvatureCalculated, m_mainCurvaturePrincipalDirection, m_mainNormalCurvature, m_secondaryCurvaturePrincipalDirection, m_secondaryNormalCurvature, m_triangleNormals, m_triangles, m_vertexIsInTriangle, m_verts, updateVertsInTriangles(), and wlog::warn().

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◆ estimateSmoothedVertexPosition()

osg::Vec3 WTriangleMesh::estimateSmoothedVertexPosition	(	std::size_t	vtx,
		float	sigmaDistance,
		float	sigmaInfluence,
		bool	mollify
	)

private

Calculates Eq.

3 of:

"Non-Iterative, Feature-Preserving Mesh Smoothing", Jones, T.R., Durand, F., Desbrun, M., ACM Trans. Graph. (22), 2003, 943-949

Parameters

vtx	The id of the vertex to calculate the new position for.
sigmaDistance	The standard deviation of the spatial weights.
sigmaInfluence	The standard deviation of the influence weights.
mollify	Whether this is a mollification pass (simple position estimates) or not.

Returns: The smoothed vertex position.

Definition at line 838 of file WTriangleMesh.cpp.

References calcTriangleArea(), calcTriangleCenter(), m_triangleNeighbors, m_triangleNormals, m_vertexIsInTriangle, and m_verts.

Referenced by performFeaturePreservingSmoothingMollificationPass(), and performFeaturePreservingSmoothingVertexPass().

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◆ getCurvatureMainPrincipalDirection()

osg::Vec3 WTriangleMesh::getCurvatureMainPrincipalDirection ( std::size_t vtxId ) const

Retreive the 3d principal direction of curvature of a vertex.

Parameters

vtxId The id of the vertex.

Returns: The first principal duirection.

Definition at line 1189 of file WTriangleMesh.cpp.

References m_mainCurvaturePrincipalDirection.

◆ getCurvatureSecondaryPrincipalDirection()

osg::Vec3 WTriangleMesh::getCurvatureSecondaryPrincipalDirection ( std::size_t vtxId ) const

Retreive the 3d principal direction of curvature for the minimum normal curvature of a vertex.

Parameters

vtxId The id of the vertex.

Returns: The second principal duirection.

Definition at line 1194 of file WTriangleMesh.cpp.

References m_secondaryCurvaturePrincipalDirection.

◆ getDescription()

const std::string WTriangleMesh::getDescription ( ) const

inlinevirtual

Gets the description for this prototype.

Returns: the description

Implements WPrototyped.

Definition at line 874 of file WTriangleMesh.h.

◆ getMainCurvature()

double WTriangleMesh::getMainCurvature ( std::size_t vtxId ) const

Retreive the main (maximum) curvature of a vertex.

Parameters

vtxId The id of the vertex.

Returns: The estimated main normal curvature.

Definition at line 1169 of file WTriangleMesh.cpp.

References m_mainNormalCurvature.

◆ getMainCurvatures()

std::shared_ptr< std::vector< float > > const & WTriangleMesh::getMainCurvatures ( ) const

Get the vector of main curvature values.

Returns: The curvature values for all the vertices.

Definition at line 1179 of file WTriangleMesh.cpp.

References m_mainNormalCurvature.

◆ getMainPrincipalCurvatureDirectionArray()

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::getMainPrincipalCurvatureDirectionArray ( )

Retreive the array of principal directions e.g.

for use as texture coords.

Returns: The full array of principal directions.

Definition at line 1204 of file WTriangleMesh.cpp.

References m_mainCurvaturePrincipalDirection.

◆ getName()

const std::string WTriangleMesh::getName ( ) const

inlinevirtual

Gets the name of this prototype.

Returns: the name.

Implements WPrototyped.

Definition at line 869 of file WTriangleMesh.h.

◆ getNeighbor()

size_t WTriangleMesh::getNeighbor	(	const size_t	coVert1,
		const size_t	coVert2,
		const size_t	triangleNum
	)

private

returns the triangle index of a triangle neighboring a given edge of a vertex

Parameters

coVert1
coVert2
triangleNum

Returns: the number of the neighboring triangle.

Definition at line 377 of file WTriangleMesh.cpp.

References m_vertexIsInTriangle.

Referenced by calcNeighbors(), and loopCalcEdgeVert().

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◆ getNormal()

WVector3d WTriangleMesh::getNormal ( size_t index )

getter

Parameters

index

Returns: normal

Definition at line 235 of file WTriangleMesh.cpp.

References m_countVerts, m_meshDirty, m_vertNormals, and recalcVertNormals().

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◆ getPrototype()

std::shared_ptr< WPrototyped > WTriangleMesh::getPrototype ( )

static

Returns a prototype instantiated with the true type of the deriving class.

Returns: the prototype.

Definition at line 49 of file WTriangleMesh.cpp.

References m_prototype, and WTriangleMesh().

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◆ getSecondaryCurvature()

double WTriangleMesh::getSecondaryCurvature ( std::size_t vtxId ) const

Retreive the secondary (minimum) curvature of a vertex.

Parameters

vtxId The id of the vertex.

Returns: The estimated secondary normal curvature.

Definition at line 1174 of file WTriangleMesh.cpp.

References m_secondaryNormalCurvature.

◆ getSecondaryCurvatures()

std::shared_ptr< std::vector< float > > const & WTriangleMesh::getSecondaryCurvatures ( ) const

Get the vector of secondary curvature values.

Returns: The curvature values for all the vertices.

Definition at line 1184 of file WTriangleMesh.cpp.

References m_secondaryNormalCurvature.

◆ getSecondaryPrincipalCurvatureDirectionArray()

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::getSecondaryPrincipalCurvatureDirectionArray ( )

Retreive the array of principal directions e.g.

for use as texture coords.

Returns: The full array of principal directions.

Definition at line 1209 of file WTriangleMesh.cpp.

References m_secondaryCurvaturePrincipalDirection.

◆ getTextureCoordinateArray() [1/2]

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::getTextureCoordinateArray ( )

Returns a reference pointer to the texture coordinate array.

Returns: texture coordinate array

Definition at line 175 of file WTriangleMesh.cpp.

References m_textureCoordinates.

◆ getTextureCoordinateArray() [2/2]

osg::ref_ptr< const osg::Vec3Array > WTriangleMesh::getTextureCoordinateArray ( ) const

Returns a const reference pointer to the texture coordinate array.

Returns: texture coordinate array

Definition at line 180 of file WTriangleMesh.cpp.

References m_textureCoordinates.

◆ getTriangleColors()

osg::ref_ptr< osg::Vec4Array > WTriangleMesh::getTriangleColors ( ) const

Return triangle colors.

Returns: OSG Vec4 Array of triangle colors

Definition at line 787 of file WTriangleMesh.cpp.

References m_triangleColors.

◆ getTriangleNormalArray()

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::getTriangleNormalArray ( bool forceRecalc = false )

Normal per triangle.

Be careful when using this in a geometry node. They do not support attributes on a per primitive basis. Use getVertexFlatNormalArray in this case.

Parameters

forceRecalc true to force recalc

Returns: pointer to the triangle normal array

Definition at line 203 of file WTriangleMesh.cpp.

References m_autoNormal, m_meshDirty, m_triangleNormals, and recalcVertNormals().

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◆ getTriangles()

const std::vector< size_t > & WTriangleMesh::getTriangles ( ) const

Returns a const reference to the vertex ids of the triangles.

Returns: The triangle vertex id list

Definition at line 218 of file WTriangleMesh.cpp.

References m_triangles.

Referenced by tm_utils::componentDecomposition(), and tm_utils::operator<<().

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◆ getTriVert()

osg::Vec3 WTriangleMesh::getTriVert	(	size_t	triId,
		size_t	vertNum
	)

inline

getter

Parameters

triId
vertNum

Returns: vertex

Definition at line 900 of file WTriangleMesh.h.

References m_countTriangles, m_triangles, and m_verts.

Referenced by calcTriangleNormal().

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◆ getTriVertId0()

size_t WTriangleMesh::getTriVertId0 ( size_t triId ) const

inline

returns the id of the first vertex of a triangle

Parameters

triId id of the triangle

Returns: id of the vertex

Definition at line 906 of file WTriangleMesh.h.

References m_countTriangles, and m_triangles.

Referenced by calcNeighbors(), loopCalcEdgeVert(), loopGetNextVertex(), loopGetThirdVert(), loopInsertCenterTriangle(), loopInsertCornerTriangles(), and updateVertsInTriangles().

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◆ getTriVertId1()

size_t WTriangleMesh::getTriVertId1 ( size_t triId ) const

inline

returns the id of the second vertex of a triangle

Parameters

triId id of the triangle

Returns: id of the vertex

Definition at line 912 of file WTriangleMesh.h.

References m_countTriangles, and m_triangles.

Referenced by calcNeighbors(), loopCalcEdgeVert(), loopGetNextVertex(), loopGetThirdVert(), loopInsertCenterTriangle(), loopInsertCornerTriangles(), loopSetTriangle(), and updateVertsInTriangles().

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◆ getTriVertId2()

size_t WTriangleMesh::getTriVertId2 ( size_t triId ) const

inline

return the id of the third vertex of a triangle

Parameters

triId id of the triangle

Returns: id of the vertex

Definition at line 918 of file WTriangleMesh.h.

References m_countTriangles, and m_triangles.

Referenced by calcNeighbors(), loopCalcEdgeVert(), loopGetNextVertex(), loopGetThirdVert(), loopInsertCenterTriangle(), loopInsertCornerTriangles(), loopSetTriangle(), and updateVertsInTriangles().

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◆ getVertColor()

osg::Vec4 WTriangleMesh::getVertColor ( size_t index ) const

getter

Parameters

index

Returns: color

Definition at line 229 of file WTriangleMesh.cpp.

References m_countVerts, and m_vertColors.

◆ getVertex()

osg::Vec3 WTriangleMesh::getVertex ( size_t index ) const

getter

Parameters

index

Returns: vertex

Definition at line 223 of file WTriangleMesh.cpp.

References m_countVerts, and m_verts.

Referenced by loopCalcNewPosition().

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◆ getVertexArray() [1/2]

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::getVertexArray ( )

getter

Returns: pointer to the vertex array

Definition at line 165 of file WTriangleMesh.cpp.

References m_verts.

Referenced by tm_utils::componentDecomposition(), and tm_utils::operator<<().

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◆ getVertexArray() [2/2]

osg::ref_ptr< const osg::Vec3Array > WTriangleMesh::getVertexArray ( ) const

Returns a const reference pointer to the vertex array.

Returns: vertex array

Definition at line 170 of file WTriangleMesh.cpp.

References m_verts.

◆ getVertexColorArray()

osg::ref_ptr< osg::Vec4Array > WTriangleMesh::getVertexColorArray ( )

Color array with a color for each vertex.

Returns: pointer to the vertex color array

Definition at line 213 of file WTriangleMesh.cpp.

References m_vertColors.

◆ getVertexFlatNormalArray()

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::getVertexFlatNormalArray ( bool forceRecalc = false )

Get the normal array with flat normals for each vertex.

These normals will be calculated. If you have a mesh with shared vertices, this will create some unwanted effects like having the flat normal of a neighbour triangle as the flat normal of a given vertex.

Parameters

forceRecalc true to force recalc

Returns: pointer to the vertex normal array

Definition at line 194 of file WTriangleMesh.cpp.

References m_autoNormal, m_meshDirty, m_vertFlatNormals, and recalcVertNormals().

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◆ getVertexNormalArray()

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::getVertexNormalArray ( bool forceRecalc = false )

Get normal array containing smooth normals for each vertex.

Parameters

forceRecalc true to force recalc

Returns: pointer to the vertex normal array

Definition at line 185 of file WTriangleMesh.cpp.

References m_autoNormal, m_meshDirty, m_vertNormals, and recalcVertNormals().

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◆ loopCalcEdgeVert()

size_t WTriangleMesh::loopCalcEdgeVert	(	size_t	triId,
		size_t	edgeV1,
		size_t	edgeV2,
		size_t	V3
	)

private

calculates the vertex id for a given edge, inserts a new vertex of none exists yet

Parameters

triId	the triangle id
edgeV1
edgeV2
V3

Returns: index of the vertex

Definition at line 480 of file WTriangleMesh.cpp.

References addVertex(), getNeighbor(), getTriVertId0(), getTriVertId1(), getTriVertId2(), loopGetThirdVert(), m_countVerts, and m_numTriFaces.

Referenced by loopInsertCenterTriangle().

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◆ loopCalcNewPosition()

osg::Vec3 WTriangleMesh::loopCalcNewPosition ( size_t vertId )

private

calculates the new position of a vertex depending on it's location in the grid and number of neighbors

Parameters

vertId the vertex id

Returns: new position in 3D space

Definition at line 444 of file WTriangleMesh.cpp.

References getVertex(), loopGetAlpha(), loopGetNextVertex(), and m_vertexIsInTriangle.

Referenced by doLoopSubD().

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◆ loopEraseTriangleFromVertex()

void WTriangleMesh::loopEraseTriangleFromVertex	(	size_t	triId,
		size_t	vertId
	)

private

erases a triangle from the vertexe's list of triangles it is part of

Parameters

triId
vertId

Definition at line 564 of file WTriangleMesh.cpp.

References m_vertexIsInTriangle.

Referenced by loopSetTriangle().

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◆ loopGetAlpha()

double WTriangleMesh::loopGetAlpha ( int n )

private

loop helper function

Parameters

n

Returns: alpha

Definition at line 575 of file WTriangleMesh.cpp.

Referenced by loopCalcNewPosition().

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◆ loopGetNextVertex()

size_t WTriangleMesh::loopGetNextVertex	(	size_t	triNum,
		size_t	vertNum
	)

private

returns the id of the next vertex int he triangle

Parameters

triNum	id of the triangle
vertNum	id of the vertex

Returns: id of the next vertex

Definition at line 590 of file WTriangleMesh.cpp.

References getTriVertId0(), getTriVertId1(), and getTriVertId2().

Referenced by loopCalcNewPosition().

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◆ loopGetThirdVert()

size_t WTriangleMesh::loopGetThirdVert	(	size_t	coVert1,
		size_t	coVert2,
		size_t	triangleNum
	)

private

returns the id of the third vertex of a triangle for two given vertexes

Parameters

coVert1
coVert2
triangleNum

Returns: id of the third vertex

Definition at line 603 of file WTriangleMesh.cpp.

References getTriVertId0(), getTriVertId1(), and getTriVertId2().

Referenced by loopCalcEdgeVert().

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◆ loopInsertCenterTriangle()

void WTriangleMesh::loopInsertCenterTriangle ( size_t triId )

private

inserts the center triangle in a given triangle,

Parameters

triId the triangle id

Definition at line 468 of file WTriangleMesh.cpp.

References addTriangle(), getTriVertId0(), getTriVertId1(), getTriVertId2(), and loopCalcEdgeVert().

Referenced by doLoopSubD().

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◆ loopInsertCornerTriangles()

void WTriangleMesh::loopInsertCornerTriangles ( size_t triId )

private

inserts the 3 corner triangles in a given triangle

Parameters

triId the triangle id

Definition at line 529 of file WTriangleMesh.cpp.

References addTriangle(), getTriVertId0(), getTriVertId1(), getTriVertId2(), loopSetTriangle(), and m_numTriFaces.

Referenced by doLoopSubD().

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◆ loopSetTriangle()

void WTriangleMesh::loopSetTriangle	(	size_t	triId,
		size_t	vertId1,
		size_t	vertId2,
		size_t	vertId3
	)

private

changes the vertex ids of a triangle

Parameters

triId
vertId1
vertId2
vertId3

Definition at line 551 of file WTriangleMesh.cpp.

References getTriVertId1(), getTriVertId2(), loopEraseTriangleFromVertex(), m_vertexIsInTriangle, setTriVert0(), setTriVert1(), and setTriVert2().

Referenced by loopInsertCornerTriangles().

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◆ operator==()

bool WTriangleMesh::operator== ( const WTriangleMesh & rhs ) const

inline

Checks if two meshes are exactly the same.

Same number of triangles, and points, and indices as well as same ordering. Keep in mind different ordering might result in the same structure but is considered different here.

Parameters

rhs	The other mesh to compare with

Returns: True if and only if both: vertices and triangles are exactly the same.

Definition at line 825 of file WTriangleMesh.h.

References m_triangles, and m_verts.

◆ performFeaturePreservingSmoothing()

void WTriangleMesh::performFeaturePreservingSmoothing	(	float	sigmaDistance,
		float	sigmaInfluence
	)

Implements the feature-preserving mesh smoothing algorithm of Jones et al.

:

"Non-Iterative, Feature-Preserving Mesh Smoothing", Jones, T.R., Durand, F., Desbrun, M., ACM Trans. Graph. (22), 2003, 943-949

Parameters

sigmaDistance	The standard deviation for the spatial weight.
sigmaInfluence	The standard deviation for the influence weight.

Definition at line 792 of file WTriangleMesh.cpp.

References calcNeighbors(), performFeaturePreservingSmoothingMollificationPass(), performFeaturePreservingSmoothingVertexPass(), and updateVertsInTriangles().

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◆ performFeaturePreservingSmoothingMollificationPass()

void WTriangleMesh::performFeaturePreservingSmoothingMollificationPass	(	float	sigmaDistance,
		float	sigmaInfluence
	)

private

Performs the first pass of the feature-preserving smoothing, only changing the triangle normals.

Parameters

sigmaDistance	The standard deviation of the spatial weights.
sigmaInfluence	The standard deviation of the influence weights.

Definition at line 806 of file WTriangleMesh.cpp.

References estimateSmoothedVertexPosition(), m_triangleNormals, m_triangles, and m_verts.

Referenced by performFeaturePreservingSmoothing().

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◆ performFeaturePreservingSmoothingVertexPass()

void WTriangleMesh::performFeaturePreservingSmoothingVertexPass	(	float	sigmaDistance,
		float	sigmaInfluence
	)

private

Performs the second pass of the feature-preserving smoothing.

This calculates new smoothed vertex positions and updates the normals accordingly. Triangle information and colors stay the same.

Parameters

sigmaDistance	The standard deviation of the spatial weights.
sigmaInfluence	The standard deviation of the influence weights.

Definition at line 828 of file WTriangleMesh.cpp.

References estimateSmoothedVertexPosition(), m_verts, and recalcVertNormals().

Referenced by performFeaturePreservingSmoothing().

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◆ recalcVertNormals()

void WTriangleMesh::recalcVertNormals ( )

recalculates the vertex normals

Definition at line 271 of file WTriangleMesh.cpp.

References calcTriangleNormal(), m_countTriangles, m_countVerts, m_meshDirty, m_vertexIsInTriangle, and updateVertsInTriangles().

Referenced by getNormal(), getTriangleNormalArray(), getVertexFlatNormalArray(), getVertexNormalArray(), and performFeaturePreservingSmoothingVertexPass().

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◆ removeTriangle()

void WTriangleMesh::removeTriangle ( size_t index )

private

removes a triangle from the mesh

Parameters

index the triangle to remove

Definition at line 264 of file WTriangleMesh.cpp.

References m_countTriangles, m_meshDirty, and m_triangles.

◆ removeVertex()

void WTriangleMesh::removeVertex ( size_t index )

private

removes a vertex from the vertex array, if any triangles still index that vertex they will be removed if forceRemoveTriangle is true

Parameters

index the index of the vertex to remove

Definition at line 245 of file WTriangleMesh.cpp.

References m_countTriangles, m_countVerts, m_meshDirty, m_triangles, and m_vertexIsInTriangle.

◆ rescaleVertexColors()

void WTriangleMesh::rescaleVertexColors ( )

Rescale the vertex colors so that the maximum of all r, g and b values is 1.

Definition at line 654 of file WTriangleMesh.cpp.

References m_vertColors.

◆ setAutoRecalcNormals()

void WTriangleMesh::setAutoRecalcNormals ( bool autoRecalc = true )

Set this to true to force automatic normal calculation.

Set it to false if you specify your own normals.

Parameters

autoRecalc auto normal calculation.

Definition at line 102 of file WTriangleMesh.cpp.

References m_autoNormal.

◆ setTextureCoord()

void WTriangleMesh::setTextureCoord	(	std::size_t	index,
		osg::Vec3	texCoord
	)

Set a texture coordinate.

Parameters

index	The id of the vertex to set the texture coord of.
texCoord	The texture coordinate to use.

Definition at line 1199 of file WTriangleMesh.cpp.

References m_textureCoordinates.

◆ setTriangleColor()

void WTriangleMesh::setTriangleColor	(	size_t	index,
		osg::Vec4	color
	)

sets the color for a given triangle

Parameters

index
color

Definition at line 159 of file WTriangleMesh.cpp.

References m_countTriangles.

◆ setTriVert0()

void WTriangleMesh::setTriVert0	(	size_t	triId,
		size_t	vertId
	)

inlineprivate

higher level access function to the triangle vector, sets the first vertex of a triangle to a given vertex id

Parameters

triId	the id of the triangle to modify
vertId	new id of the first vertex

Definition at line 879 of file WTriangleMesh.h.

References m_countTriangles, m_countVerts, and m_triangles.

Referenced by loopSetTriangle().

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◆ setTriVert1()

void WTriangleMesh::setTriVert1	(	size_t	triId,
		size_t	vertId
	)

inlineprivate

higher level access function to the triangle vector, sets the second vertex of a triangle to a given vertex id

Parameters

triId	the id of the triangle to modify
vertId	new id of the second vertex

Definition at line 886 of file WTriangleMesh.h.

References m_countTriangles, m_countVerts, and m_triangles.

Referenced by loopSetTriangle().

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◆ setTriVert2()

void WTriangleMesh::setTriVert2	(	size_t	triId,
		size_t	vertId
	)

inlineprivate

higher level access function to the triangle vector, sets the third vertex of a triangle to a given vertex id

Parameters

triId	the id of the triangle to modify
vertId	new id of the third vertex

Definition at line 893 of file WTriangleMesh.h.

References m_countTriangles, m_countVerts, and m_triangles.

Referenced by loopSetTriangle().

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◆ setVertex()

void WTriangleMesh::setVertex	(	size_t	index,
		osg::Vec3	vert
	)

inline

sets a vertex to a new position

Parameters

index
vert

Definition at line 924 of file WTriangleMesh.h.

◆ setVertexColor()

void WTriangleMesh::setVertexColor	(	size_t	index,
		osg::Vec4	color
	)

sets the color for a given vertex

Parameters

index
color

Definition at line 153 of file WTriangleMesh.cpp.

References m_countVerts.

Referenced by addMesh().

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◆ setVertexNormal() [1/3]

void WTriangleMesh::setVertexNormal	(	size_t	index,
		float	x,
		float	y,
		float	z
	)

sets the normal for a given vertex

Parameters

index
x	x coordinate
y	y coordinate
z	z coordinate

Definition at line 148 of file WTriangleMesh.cpp.

References setVertexNormal().

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◆ setVertexNormal() [2/3]

void WTriangleMesh::setVertexNormal	(	size_t	index,
		osg::Vec3	normal
	)

sets the normal for a given vertex

Parameters

index
normal

Definition at line 137 of file WTriangleMesh.cpp.

References m_countVerts.

Referenced by setVertexNormal().

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◆ setVertexNormal() [3/3]

void WTriangleMesh::setVertexNormal	(	size_t	index,
		WPosition	normal
	)

sets the normal for a given vertex

Parameters

index
normal

Definition at line 143 of file WTriangleMesh.cpp.

References setVertexNormal().

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◆ translateMesh()

void WTriangleMesh::translateMesh	(	float	xOff,
		float	yOff,
		float	zOff
	)

moves the entire mesh to a new postion

Parameters

xOff
yOff
zOff

Definition at line 637 of file WTriangleMesh.cpp.

◆ triangleSize()

size_t WTriangleMesh::triangleSize ( ) const

getter

Returns: number of triangles in the mesh

Definition at line 354 of file WTriangleMesh.cpp.

References m_countTriangles.

Referenced by tm_utils::componentDecomposition(), and tm_utils::operator<<().

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◆ updateVertsInTriangles()

void WTriangleMesh::updateVertsInTriangles ( )

private

updates the list for which vertexes appear in which triangle

Definition at line 303 of file WTriangleMesh.cpp.

References getTriVertId0(), getTriVertId1(), getTriVertId2(), m_countTriangles, and m_vertexIsInTriangle.

Referenced by doLoopSubD(), estimateCurvature(), performFeaturePreservingSmoothing(), and recalcVertNormals().

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◆ vertSize()

size_t WTriangleMesh::vertSize ( ) const

getter

Returns: number of vertices in the mesh

Definition at line 349 of file WTriangleMesh.cpp.

References m_countVerts.

Referenced by tm_utils::componentDecomposition(), and tm_utils::operator<<().

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◆ zoomMesh()

void WTriangleMesh::zoomMesh ( float zoom )

multiplies the vertex vectors of the mesh with a given number

Parameters

zoom

Definition at line 646 of file WTriangleMesh.cpp.

Friends And Related Function Documentation

◆ WTriangleMeshTest

friend class WTriangleMeshTest

friend

Access for test class.

Definition at line 50 of file WTriangleMesh.h.

Member Data Documentation

◆ m_autoNormal

bool WTriangleMesh::m_autoNormal

private

flag denoting whether normals should be calculated automatically.

Definition at line 755 of file WTriangleMesh.h.

Referenced by getTriangleNormalArray(), getVertexFlatNormalArray(), getVertexNormalArray(), and setAutoRecalcNormals().

◆ m_countTriangles

size_t WTriangleMesh::m_countTriangles

private

number of triangles in the mesh

Definition at line 751 of file WTriangleMesh.h.

Referenced by addTriangle(), calcNeighbors(), doLoopSubD(), getTriVert(), getTriVertId0(), getTriVertId1(), getTriVertId2(), recalcVertNormals(), removeTriangle(), removeVertex(), setTriangleColor(), setTriVert0(), setTriVert1(), setTriVert2(), triangleSize(), and updateVertsInTriangles().

◆ m_countVerts

size_t WTriangleMesh::m_countVerts

private

number of vertexes in the mesh

Definition at line 749 of file WTriangleMesh.h.

Referenced by addMesh(), addTextureCoordinate(), addTriangle(), addVertex(), doLoopSubD(), getNormal(), getVertColor(), getVertex(), loopCalcEdgeVert(), recalcVertNormals(), removeVertex(), setTriVert0(), setTriVert1(), setTriVert2(), setVertexColor(), setVertexNormal(), and vertSize().

◆ m_curvatureCalculated

bool WTriangleMesh::m_curvatureCalculated

private

Indicates whether the curvature and its principal directions have been calculated.

Definition at line 760 of file WTriangleMesh.h.

Referenced by estimateCurvature().

◆ m_mainCurvaturePrincipalDirection

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::m_mainCurvaturePrincipalDirection

private

Stores the first principal curvature direction for each vertex.

Definition at line 790 of file WTriangleMesh.h.

Referenced by estimateCurvature(), getCurvatureMainPrincipalDirection(), and getMainPrincipalCurvatureDirectionArray().

◆ m_mainNormalCurvature

std::shared_ptr< std::vector< float > > WTriangleMesh::m_mainNormalCurvature

private

Stores the maximum normal curvature (for the first principal direction) for each vertex.

Definition at line 784 of file WTriangleMesh.h.

Referenced by estimateCurvature(), getMainCurvature(), and getMainCurvatures().

◆ m_meshDirty

bool WTriangleMesh::m_meshDirty

private

flag indicating a change took place which requires a recalculation of components

Definition at line 753 of file WTriangleMesh.h.

Referenced by addMesh(), doLoopSubD(), getNormal(), getTriangleNormalArray(), getVertexFlatNormalArray(), getVertexNormalArray(), recalcVertNormals(), removeTriangle(), and removeVertex().

◆ m_neighborsCalculated

bool WTriangleMesh::m_neighborsCalculated

private

flag indicating whether the neighbor information has been calculated yet

Definition at line 757 of file WTriangleMesh.h.

Referenced by calcNeighbors().

◆ m_numTriFaces

size_t WTriangleMesh::m_numTriFaces

private

stores the number of triangles before the loop subdivion is run, needed by the loop algorithm

Definition at line 797 of file WTriangleMesh.h.

Referenced by doLoopSubD(), loopCalcEdgeVert(), and loopInsertCornerTriangles().

◆ m_numTriVerts

size_t WTriangleMesh::m_numTriVerts

private

stores the number of vertexes before the loop subdivion is run, needed by the loop algorithm

Definition at line 795 of file WTriangleMesh.h.

Referenced by doLoopSubD().

◆ m_prototype

std::shared_ptr< WPrototyped > WTriangleMesh::m_prototype = std::shared_ptr< WPrototyped >()

staticprotected

The prototype as singleton.

Definition at line 514 of file WTriangleMesh.h.

Referenced by getPrototype().

◆ m_secondaryCurvaturePrincipalDirection

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::m_secondaryCurvaturePrincipalDirection

private

Stores the second principal curvature direction for each vertex.

Definition at line 793 of file WTriangleMesh.h.

Referenced by estimateCurvature(), getCurvatureSecondaryPrincipalDirection(), and getSecondaryPrincipalCurvatureDirectionArray().

◆ m_secondaryNormalCurvature

std::shared_ptr< std::vector< float > > WTriangleMesh::m_secondaryNormalCurvature

private

Stores the minimum normal curvature (for the second principal direction) for each vertex.

Definition at line 787 of file WTriangleMesh.h.

Referenced by estimateCurvature(), getSecondaryCurvature(), and getSecondaryCurvatures().

◆ m_textureCoordinates

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::m_textureCoordinates

private

array containing the texture coordinates

Definition at line 764 of file WTriangleMesh.h.

Referenced by getTextureCoordinateArray(), setTextureCoord(), and WTriangleMesh().

◆ m_triangleColors

osg::ref_ptr< osg::Vec4Array > WTriangleMesh::m_triangleColors

private

array containing the triangle colors

Definition at line 776 of file WTriangleMesh.h.

Referenced by doLoopSubD(), getTriangleColors(), and WTriangleMesh().

◆ m_triangleNeighbors

std::vector< std::vector< size_t > > WTriangleMesh::m_triangleNeighbors

private

edge neighbors for each triangle

Definition at line 781 of file WTriangleMesh.h.

Referenced by calcNeighbors(), and estimateSmoothedVertexPosition().

◆ m_triangleNormals

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::m_triangleNormals

private

array containing the triangle normals

Definition at line 774 of file WTriangleMesh.h.

Referenced by estimateCurvature(), estimateSmoothedVertexPosition(), getTriangleNormalArray(), performFeaturePreservingSmoothingMollificationPass(), and WTriangleMesh().

◆ m_triangles

std::vector< size_t > WTriangleMesh::m_triangles

private

array containing the triangles

Definition at line 772 of file WTriangleMesh.h.

Referenced by addTriangle(), calcTriangleArea(), calcTriangleCenter(), doLoopSubD(), estimateCurvature(), getTriangles(), getTriVert(), getTriVertId0(), getTriVertId1(), getTriVertId2(), operator==(), performFeaturePreservingSmoothingMollificationPass(), removeTriangle(), removeVertex(), setTriVert0(), setTriVert1(), setTriVert2(), WTriangleMeshTest::testEqualityOperator(), and WTriangleMesh().

◆ m_vertColors

osg::ref_ptr< osg::Vec4Array > WTriangleMesh::m_vertColors

private

array containing vertex colors

Definition at line 770 of file WTriangleMesh.h.

Referenced by doLoopSubD(), getVertColor(), getVertexColorArray(), rescaleVertexColors(), and WTriangleMesh().

◆ m_vertexIsInTriangle

std::vector< std::vector< size_t > > WTriangleMesh::m_vertexIsInTriangle

private

for each vertex, list of triangles it is part of

Definition at line 779 of file WTriangleMesh.h.

Referenced by doLoopSubD(), estimateCurvature(), estimateSmoothedVertexPosition(), getNeighbor(), loopCalcNewPosition(), loopEraseTriangleFromVertex(), loopSetTriangle(), recalcVertNormals(), removeVertex(), and updateVertsInTriangles().

◆ m_vertFlatNormals

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::m_vertFlatNormals

private

array containing the flat vertex normals

Definition at line 768 of file WTriangleMesh.h.

Referenced by getVertexFlatNormalArray(), and WTriangleMesh().

◆ m_vertNormals

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::m_vertNormals

private

array containing the vertex normals

Definition at line 766 of file WTriangleMesh.h.

Referenced by doLoopSubD(), getNormal(), getVertexNormalArray(), and WTriangleMesh().

◆ m_verts

osg::ref_ptr< osg::Vec3Array > WTriangleMesh::m_verts

private

array containing the vertices

Definition at line 762 of file WTriangleMesh.h.

Referenced by calcTriangleArea(), calcTriangleCenter(), doLoopSubD(), estimateCurvature(), estimateSmoothedVertexPosition(), getTriVert(), getVertex(), getVertexArray(), operator==(), performFeaturePreservingSmoothingMollificationPass(), performFeaturePreservingSmoothingVertexPass(), and WTriangleMesh().

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

Public Types

Public Member Functions

Static Public Member Functions

Static Protected Attributes

Private Member Functions

Private Attributes

Friends

Detailed Description

Member Typedef Documentation

◆ ConstSPtr

◆ SPtr

Constructor & Destructor Documentation

◆ WTriangleMesh() [1/3]

◆ WTriangleMesh() [2/3]

◆ ~WTriangleMesh()

◆ WTriangleMesh() [3/3]

Member Function Documentation

◆ addMesh()

◆ addTextureCoordinate() [1/2]

◆ addTextureCoordinate() [2/2]

◆ addTriangle() [1/2]

◆ addTriangle() [2/2]

◆ addVertex() [1/3]

◆ addVertex() [2/3]

◆ addVertex() [3/3]

◆ calcAngleBetweenNormalizedVectors()

◆ calcNeighbors()

◆ calcNormal()

◆ calcTriangleArea()

◆ calcTriangleCenter()

◆ calcTriangleNormal()

◆ doLoopSubD()

◆ estimateCurvature()

◆ estimateSmoothedVertexPosition()

◆ getCurvatureMainPrincipalDirection()

◆ getCurvatureSecondaryPrincipalDirection()

◆ getDescription()

◆ getMainCurvature()

◆ getMainCurvatures()

◆ getMainPrincipalCurvatureDirectionArray()

◆ getName()

◆ getNeighbor()

◆ getNormal()

◆ getPrototype()

◆ getSecondaryCurvature()

◆ getSecondaryCurvatures()

◆ getSecondaryPrincipalCurvatureDirectionArray()

◆ getTextureCoordinateArray() [1/2]

◆ getTextureCoordinateArray() [2/2]

◆ getTriangleColors()

◆ getTriangleNormalArray()

◆ getTriangles()

◆ getTriVert()

◆ getTriVertId0()

◆ getTriVertId1()

◆ getTriVertId2()

◆ getVertColor()

◆ getVertex()

◆ getVertexArray() [1/2]

◆ getVertexArray() [2/2]

◆ getVertexColorArray()

◆ getVertexFlatNormalArray()

◆ getVertexNormalArray()

◆ loopCalcEdgeVert()

◆ loopCalcNewPosition()

◆ loopEraseTriangleFromVertex()

◆ loopGetAlpha()

◆ loopGetNextVertex()

◆ loopGetThirdVert()

◆ loopInsertCenterTriangle()

◆ loopInsertCornerTriangles()

◆ loopSetTriangle()

◆ operator==()

◆ performFeaturePreservingSmoothing()

◆ performFeaturePreservingSmoothingMollificationPass()

◆ performFeaturePreservingSmoothingVertexPass()

◆ recalcVertNormals()

◆ removeTriangle()

◆ removeVertex()

◆ rescaleVertexColors()