Mesh Class Reference

Public Member Functions
void	pack ()
	tightly packs all arrays eliminating lone edges and invalid faces, vertices and points
void	packOptimally ()
number	volume ()
number	area ()
	returns the area of given face
Box3f	computeBoundingBox ()
void	invalidateCaches ()
void	transform (AffineXf3f xf)
number	averageEdgeLength ()
	computes average length of an edge in this mesh
void	addMesh (Mesh from)
	appends another mesh as separate connected component(s) to this
number	edgeLength (number e)
	returns Euclidean length of the edge
number	edgeLengthSq (number e)
	returns squared Euclidean length of the edge (faster to compute than length)
Vector3f	normal (number v)
	computes triangular face normal from its vertices
Vector3f	findCenterFromPoints ()
	computes average position of all valid mesh vertices
Vector3f	findCenterFromFaces ()
	computes center of mass considering that density of all triangles is the same
Vector3f	findCenterFromBBox ()
	computes bounding box and returns its center
MeshTriPoint	toTriPoint (number f, Vector3f p)
	converts vertex into barycentric representation

Static Public Member Functions
static Mesh	fromTriangles (VertCoords vertexCoordinates, Triangulation t)
	construct mesh from vertex coordinates and a set of triangles with given ids
static Mesh	fromTrianglesDuplicatingNonManifoldVertices (VertCoords vertexCoordinates, Triangulation t)

Public Attributes
MeshTopology	topology
VertCoords	points

Detailed Description

This class represents a mesh, including topology (connectivity) information and point coordinates, as well as some caches to accelerate search algorithms

Member Function Documentation

addMesh()

void Mesh::addMesh

(

Mesh

from

)

appends another mesh as separate connected component(s) to this

area()

number Mesh::area

(

)

returns the area of given face

averageEdgeLength()

number Mesh::averageEdgeLength

(

)

computes average length of an edge in this mesh

computeBoundingBox()

Box3f Mesh::computeBoundingBox

(

)

passes through all valid vertices and finds the minimal bounding box containing all of them; if toWorld transformation is given then returns minimal bounding box in world space

edgeLength()

number Mesh::edgeLength

(

number

e

)

returns Euclidean length of the edge

edgeLengthSq()

number Mesh::edgeLengthSq

(

number

e

)

returns squared Euclidean length of the edge (faster to compute than length)

findCenterFromBBox()

Vector3f Mesh::findCenterFromBBox

(

)

computes bounding box and returns its center

findCenterFromFaces()

Vector3f Mesh::findCenterFromFaces

(

)

computes center of mass considering that density of all triangles is the same

findCenterFromPoints()

Vector3f Mesh::findCenterFromPoints

(

)

computes average position of all valid mesh vertices

fromTriangles()

Mesh Mesh::fromTriangles ( VertCoords vertexCoordinates, Triangulation t )

static

construct mesh from vertex coordinates and a set of triangles with given ids

fromTrianglesDuplicatingNonManifoldVertices()

Mesh Mesh::fromTrianglesDuplicatingNonManifoldVertices ( VertCoords vertexCoordinates, Triangulation t )

static

construct mesh from vertex coordinates and a set of triangles with given ids; unlike simple fromTriangles() it tries to resolve non-manifold vertices by creating duplicate vertices

invalidateCaches()

void Mesh::invalidateCaches

(

)

invalidates caches (aabb-trees) after any change in mesh geometry or topology

Parameters

pointsChanged

specifies whether points have changed (otherwise only topology has changed)

normal()

Vector3f Mesh::normal

(

number

v

)

computes triangular face normal from its vertices

pack()

void Mesh::pack

(

)

tightly packs all arrays eliminating lone edges and invalid faces, vertices and points

packOptimally()

void Mesh::packOptimally

(

)

packs tightly and rearranges vertices, triangles and edges to put close in space elements in close indices

Parameters

preserveAABBTree

whether to keep valid mesh's AABB tree after return (it will take longer to compute and it will occupy more memory)

toTriPoint()

MeshTriPoint Mesh::toTriPoint	(	number	f,
		Vector3f	p )

converts vertex into barycentric representation

transform()

void Mesh::transform

(

AffineXf3f

xf

)

applies given transformation to specified vertices if region is nullptr, all valid mesh vertices are used

volume()

number Mesh::volume

(

)

returns volume of the object surrounded by given region (or whole mesh if (region) is nullptr); if the region has holes then each hole will be virtually filled by adding triangles for each edge and the hole's geometrical center

Member Data Documentation

points

VertCoords Mesh::points

topology

MeshTopology Mesh::topology

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

• bindings.d.mts