#include <mesh.h>

Collaboration diagram for Mesh:

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Public Member Functions
unsigned int	loadGmshMesh (const char *meshfile, unsigned int &curLine, bool allowBadMeshes=true)

unsigned int	saveGmshMesh (const char *meshfile) const

size_t	elementCount () const

void	setTriangleMesh (const std::vector< float > &ptsA, const std::vector< float > &ptsB, const std::vector< float > &ptsC)

void	reassignGroups (unsigned int i)
	reassign the physical groups to a single number More...

void	removeDuplicateTris ()
	Remove exact duplicate triangles. More...

void	removeStrayTris ()

void	mergeDuplicateVertices (float tolerance)

bool	isSane (bool output=false, std::ostream &outStream=std::cerr) const
	Perform various sanity tests on mesh. Should return true if your mesh is sane. More...

void	getBounds (BoundCube &b) const
	Get the Axis aligned bounding box for this mesh. More...

unsigned int	countTriNodes () const
	Count the number of unique nodes shared by triangles. More...

void	translate ()
	Translate mesh around node centroid. More...

void	translate (const Point3f &origin)
	Translate mesh to specified position. More...

void	translate (const Point3D &origin)

void	scale (const Point3f &origin, float scalefactor)
	Scale the mesh around a specified origin. More...

void	scale (const Point3D &origin, float scaleFactor)
	Scale the mesh around a specified origin. More...

void	scale (float scaleFactor)
	Scale the mesh around origin. More...

void	rotate (const Point3f &axis, const Point3f &origin, float angle)
	Rotate mesh. More...

float	getVolume () const
	Obtain the volume of the triangulated space. More...

void	resurface (unsigned int newPhys)
	place triangles over exposed tetrahedral faces More...

void	clear ()
	Clear the mesh. More...

bool	isTetFullyConnected (unsigned int &badTet) const
	Check to see if the mesh is a single unit of tetrahedra. More...

void	refineTetrahedra (std::vector< size_t > &refineTets)
	Refine the selected tetrahedra using a midpoint division method. More...

void	getAttachedComponents (size_t tet, std::vector< size_t > &tris, std::vector< size_t > &l) const
	Get the line and triangle segments that are connected to a particular tetrahedron. More...

void	getContainedNodes (const BoundCube &b, std::vector< size_t > &nodes) const
	Return all the nodes that are contained within specified bounding box. More...

void	getIntersectingPrimitives (std::vector< size_t > &searchNodes, std::vector< size_t > &lines, std::vector< size_t > &triangles, std::vector< size_t > &tetrahedra) const
	Return all primitives that are WHOLLY contained withing bounding box. More...

unsigned int	divideMeshSurface (float divisionAngle, unsigned int newPhysGroupStart, const std::vector< size_t > &physGroupsToSplit)

void	getCurPhysGroups (std::vector< std::pair< unsigned int, size_t > > &curPhys) const

void	erasePhysGroup (unsigned int group, unsigned int typeMask)

unsigned int	numDupVertices (float tolerance) const

unsigned int	numDupTris () const

void	print (std::ostream &o) const

void	orientTriEdgesCoherently ()

bool	isOrientedCoherently () const

void	killOrphanNodes ()
	Kill specified orphan nodes within this dataset. More...

void	relax (size_t iterations, float relaxFactor)
	Perform vertex weighted relaxation. More...

void	pointsInside (const std::vector< Point3D > &p, std::vector< bool > &meshResults, std::ostream &msgs, bool wantProg) const

size_t	getNearestTri (const Point3D &p, float &distance) const

void	getTriNormal (size_t tri, Point3D &normal) const

Public Attributes
std::vector< Point3D >	nodes
	Point storage for 3D Data (nodes/coords/vertices..) More...

std::vector< std::string >	physGroupNames
	Physical group storage. More...

std::vector< TETRAHEDRON >	tetrahedra
	Storage for node connectivity in tet. form. More...

std::vector< TRIANGLE >	triangles
	Storage for node connectivity in triangle form (take in groups of 3) More...

std::vector< LINE >	lines
	Storage for line segments. .size()%2 should always==0. More...

std::vector< unsigned long long >	points

Member Function Documentation

◆ clear()

void Mesh::clear ( )

Clear the mesh.

References lines, nodes, physGroupNames, points, tetrahedra, and triangles.

Referenced by setTriangleMesh().

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◆ countTriNodes()

unsigned int Mesh::countTriNodes ( ) const

Count the number of unique nodes shared by triangles.

References triangles.

◆ divideMeshSurface()

unsigned int Mesh::divideMeshSurface	(	float	divisionAngle,
		unsigned int	newPhysGroupStart,
		const std::vector< size_t > &	physGroupsToSplit
	)

References ASSERT, BoundCube::expand(), nodes, BoundCube::setBounds(), BoundCube::setInverseLimits(), and triangles.

◆ elementCount()

size_t Mesh::elementCount ( ) const

References lines, points, tetrahedra, and triangles.

◆ erasePhysGroup()

void Mesh::erasePhysGroup	(	unsigned int	group,
		unsigned int	typeMask
	)

References ELEMENT_LINE, ELEMENT_TETRAHEDRON, ELEMENT_TRIANGLE, tetrahedra, and triangles.

◆ getAttachedComponents()

void Mesh::getAttachedComponents	(	size_t	tet,
		std::vector< size_t > &	tris,
		std::vector< size_t > &	l
	)		const

Get the line and triangle segments that are connected to a particular tetrahedron.

References Point3D::angle(), ASSERT, getTriNormal(), lines, tetrahedra, and triangles.

Referenced by isSane().

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◆ getBounds()

void Mesh::getBounds ( BoundCube & b ) const

Get the Axis aligned bounding box for this mesh.

References nodes, and BoundCube::setBounds().

◆ getContainedNodes()

void Mesh::getContainedNodes	(	const BoundCube &	b,
		std::vector< size_t > &	nodes
	)		const

Return all the nodes that are contained within specified bounding box.

References ASSERT, BoundCube::containsPt(), and nodes.

◆ getCurPhysGroups()

void Mesh::getCurPhysGroups ( std::vector< std::pair< unsigned int, size_t > > & curPhys ) const

References triangles.

Referenced by resurface().

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◆ getIntersectingPrimitives()

void Mesh::getIntersectingPrimitives	(	std::vector< size_t > &	searchNodes,
		std::vector< size_t > &	lines,
		std::vector< size_t > &	triangles,
		std::vector< size_t > &	tetrahedra
	)		const

Return all primitives that are WHOLLY contained withing bounding box.

References ASSERT, lines, tetrahedra, and triangles.

◆ getNearestTri()

size_t Mesh::getNearestTri	(	const Point3D &	p,
		float &	distance
	)		const

◆ getTriNormal()

void Mesh::getTriNormal	(	size_t	tri,
		Point3D &	normal
	)		const

References ASSERT, Point3D::crossProd(), nodes, Point3D::normalise(), and triangles.

Referenced by getAttachedComponents().

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◆ getVolume()

float Mesh::getVolume ( ) const

Obtain the volume of the triangulated space.

References ASSERT, Point3D::crossProd(), Point3D::dotProd(), isSane(), nodes, TRIANGLE::p, and triangles.

Referenced by relax().

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◆ isOrientedCoherently()

bool Mesh::isOrientedCoherently ( ) const

◆ isSane()

bool Mesh::isSane	(	bool	output = `false`,
		std::ostream &	outStream = `std::cerr`
	)		const

Perform various sanity tests on mesh. Should return true if your mesh is sane.

References ASSERT, getAttachedComponents(), lines, nodes, tetrahedra, and triangles.

Referenced by getVolume(), killOrphanNodes(), mergeDuplicateVertices(), numDupTris(), print(), relax(), removeDuplicateTris(), resurface(), saveGmshMesh(), and setTriangleMesh().

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◆ isTetFullyConnected()

bool Mesh::isTetFullyConnected ( unsigned int & badTet ) const

Check to see if the mesh is a single unit of tetrahedra.

References ASSERT, nodes, and tetrahedra.

◆ killOrphanNodes()

void Mesh::killOrphanNodes ( )

Kill specified orphan nodes within this dataset.

References ASSERT, isSane(), lines, nodes, points, tetrahedra, and triangles.

Referenced by mergeDuplicateVertices(), and print().

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◆ loadGmshMesh()

unsigned int Mesh::loadGmshMesh	(	const char *	meshfile,
		unsigned int &	curLine,
		bool	allowBadMeshes = `true`
	)

◆ mergeDuplicateVertices()

void Mesh::mergeDuplicateVertices ( float tolerance )

References ASSERT, findNearVerticies(), isSane(), killOrphanNodes(), lines, nodes, points, tetrahedra, and triangles.

◆ numDupTris()

unsigned int Mesh::numDupTris ( ) const

References ASSERT, isSane(), nodes, and triangles.

◆ numDupVertices()

unsigned int Mesh::numDupVertices ( float tolerance ) const

References nodes.

◆ orientTriEdgesCoherently()

void Mesh::orientTriEdgesCoherently ( )

◆ pointsInside()

void Mesh::pointsInside	(	const std::vector< Point3D > &	p,
		std::vector< bool > &	meshResults,
		std::ostream &	msgs,
		bool	wantProg
	)		const

References ASSERT, BoundCube::containsPt(), intersect_RayTriangle(), nodes, PROGRESS_REDUCE, BoundCube::setBounds(), tetrahedra, and triangles.

◆ print()

void Mesh::print ( std::ostream & o ) const

References ASSERT, fourDeterminant(), isSane(), killOrphanNodes(), lines, nodes, TRIANGLE::p, points, BoundCube::setBounds(), tetrahedra, and triangles.

◆ reassignGroups()

void Mesh::reassignGroups ( unsigned int i )

reassign the physical groups to a single number

References lines, tetrahedra, and triangles.

◆ refineTetrahedra()

void Mesh::refineTetrahedra ( std::vector< size_t > & refineTets )

Refine the selected tetrahedra using a midpoint division method.

References ASSERT, nodes, TETRAHEDRON::p, tetrahedra, and triangles.

◆ relax()

void Mesh::relax	(	size_t	iterations,
		float	relaxFactor
	)

Perform vertex weighted relaxation.

References ASSERT, getVolume(), isSane(), lines, M_PI, nodes, tetrahedra, and triangles.

◆ removeDuplicateTris()

void Mesh::removeDuplicateTris ( )

Remove exact duplicate triangles.

References ASSERT, isSane(), nodes, and triangles.

◆ removeStrayTris()

void Mesh::removeStrayTris ( )

References edgeIdx(), and triangles.

◆ resurface()

void Mesh::resurface ( unsigned int newPhys )

place triangles over exposed tetrahedral faces

References ASSERT, BoundCube::expand(), getCurPhysGroups(), isSane(), nodes, TRIANGLE::p, TRIANGLE::physGroup, BoundCube::setBounds(), BoundCube::setInverseLimits(), tetrahedra, and triangles.

◆ rotate()

void Mesh::rotate	(	const Point3f &	axis,
		const Point3f &	origin,
		float	angle
	)

Rotate mesh.

◆ saveGmshMesh()

unsigned int Mesh::saveGmshMesh ( const char * meshfile ) const

References ASSERT, ELEM_FOUR_NODE_TETRAHEDRON, ELEM_SINGLE_NODE_POINT, ELEM_THREE_NODE_TRIANGLE, ELEM_TWO_NODE_LINE, isSane(), lines, nodes, points, tetrahedra, and triangles.

◆ scale() [1/3]

void Mesh::scale	(	const Point3f &	origin,
		float	scalefactor
	)

Scale the mesh around a specified origin.

References Point3f::fx, Point3f::fy, Point3f::fz, and nodes.

◆ scale() [2/3]

void Mesh::scale	(	const Point3D &	origin,
		float	scaleFactor
	)

Scale the mesh around a specified origin.

References nodes.

◆ scale() [3/3]

void Mesh::scale ( float scaleFactor )

Scale the mesh around origin.

References nodes.

◆ setTriangleMesh()

void Mesh::setTriangleMesh	(	const std::vector< float > &	ptsA,
		const std::vector< float > &	ptsB,
		const std::vector< float > &	ptsC
	)

References ASSERT, clear(), findNearVerticies(), isSane(), nodes, TRIANGLE::p, and triangles.

◆ translate() [1/3]

void Mesh::translate ( )

Translate mesh around node centroid.

References nodes.

◆ translate() [2/3]

void Mesh::translate ( const Point3f & origin )

Translate mesh to specified position.

References Point3f::fx, Point3f::fy, Point3f::fz, and nodes.

◆ translate() [3/3]

void Mesh::translate ( const Point3D & origin )

References nodes.

Member Data Documentation

◆ lines

std::vector<LINE> Mesh::lines

Storage for line segments. .size()%2 should always==0.

Referenced by clear(), elementCount(), getAttachedComponents(), getIntersectingPrimitives(), isSane(), killOrphanNodes(), mergeDuplicateVertices(), print(), reassignGroups(), relax(), and saveGmshMesh().

◆ nodes

std::vector<Point3D> Mesh::nodes

Point storage for 3D Data (nodes/coords/vertices..)

Referenced by clear(), divideMeshSurface(), getBounds(), getContainedNodes(), getTriNormal(), getVolume(), TRIANGLE::isSane(), isSane(), isTetFullyConnected(), killOrphanNodes(), mergeDuplicateVertices(), numDupTris(), numDupVertices(), pointsInside(), print(), refineTetrahedra(), relax(), removeDuplicateTris(), resurface(), saveGmshMesh(), scale(), setTriangleMesh(), and translate().

◆ physGroupNames

std::vector<std::string> Mesh::physGroupNames

Physical group storage.

Referenced by clear().

◆ points

std::vector<unsigned long long> Mesh::points

Referenced by clear(), elementCount(), killOrphanNodes(), mergeDuplicateVertices(), print(), and saveGmshMesh().

◆ tetrahedra

std::vector<TETRAHEDRON> Mesh::tetrahedra

Storage for node connectivity in tet. form.

Referenced by clear(), elementCount(), erasePhysGroup(), getAttachedComponents(), getIntersectingPrimitives(), isSane(), isTetFullyConnected(), killOrphanNodes(), mergeDuplicateVertices(), pointsInside(), print(), reassignGroups(), refineTetrahedra(), relax(), resurface(), and saveGmshMesh().

◆ triangles

std::vector<TRIANGLE> Mesh::triangles

Storage for node connectivity in triangle form (take in groups of 3)

Referenced by clear(), countTriNodes(), divideMeshSurface(), elementCount(), erasePhysGroup(), getAttachedComponents(), getCurPhysGroups(), getIntersectingPrimitives(), getTriNormal(), getVolume(), TRIANGLE::isSane(), isSane(), killOrphanNodes(), mergeDuplicateVertices(), numDupTris(), pointsInside(), print(), reassignGroups(), refineTetrahedra(), relax(), removeDuplicateTris(), removeStrayTris(), resurface(), saveGmshMesh(), and setTriangleMesh().

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

Public Member Functions

Public Attributes

Member Function Documentation

◆ clear()

◆ countTriNodes()

◆ divideMeshSurface()

◆ elementCount()

◆ erasePhysGroup()

◆ getAttachedComponents()

◆ getBounds()

◆ getContainedNodes()

◆ getCurPhysGroups()

◆ getIntersectingPrimitives()

◆ getNearestTri()

◆ getTriNormal()

◆ getVolume()

◆ isOrientedCoherently()

◆ isSane()

◆ isTetFullyConnected()

◆ killOrphanNodes()

◆ loadGmshMesh()

◆ mergeDuplicateVertices()

◆ numDupTris()

◆ numDupVertices()

◆ orientTriEdgesCoherently()

◆ pointsInside()

◆ print()

◆ reassignGroups()

◆ refineTetrahedra()

◆ relax()

◆ removeDuplicateTris()

◆ removeStrayTris()

◆ resurface()

◆ rotate()

◆ saveGmshMesh()

◆ scale() [1/3]

◆ scale() [2/3]

◆ scale() [3/3]

◆ setTriangleMesh()

◆ translate() [1/3]

◆ translate() [2/3]

◆ translate() [3/3]

Member Data Documentation

◆ lines

◆ nodes

◆ physGroupNames

◆ points

◆ tetrahedra

◆ triangles