triSurfaceCurvatureEstimator Class Reference

Collaboration diagram for triSurfaceCurvatureEstimator:

Public Member Functions
	triSurfaceCurvatureEstimator (const triSurf &surface)
	Construct from triSurface. More...
	~triSurfaceCurvatureEstimator ()
scalar	edgePointCurvature (const label) const
	return curvature of points at feature edges More...
scalar	curvatureAtEdge (const label) const
scalar	gaussianCurvatureAtTriangle (const label) const
	return average curvature on a surface triangle More...
scalar	meanCurvatureAtTriangle (const label) const
scalar	maxCurvatureAtTriangle (const label) const
scalar	minCurvatureAtTriangle (const label) const
vector	maxCurvatureVectorAtTriangle (const label) const
vector	minCurvatureVectorAtTriangle (const label) const

Private Member Functions
void	calculateEdgeCurvature ()
	calculate curvature of feature edges More...
void	calculateSurfaceCurvatures ()
	calculate curvatures of other surface points More...
void	calculateGaussianCurvature ()
	calculate Gaussian curvature More...
void	calculateMeanCurvature ()
	calculation of mean curvature More...
void	calculateMinAndMaxCurvature ()
	calculation of min and max curvature More...
	triSurfaceCurvatureEstimator (const triSurfaceCurvatureEstimator &)
	Disallow default bitwise copy construct. More...
void	operator= (const triSurfaceCurvatureEstimator &)
	Disallow default bitwise assignment. More...

Private Attributes
const triSurf &	surface_
	reference to triSurface More...
scalarField	edgePointCurvature_
	curvature of points at feature edges More...
FRWGraph< label, 3 >	patchPositions_
	curvatures of other points More...
List< DynList< scalar, 1 > >	gaussianCurvature_
List< DynList< scalar, 1 > >	meanCurvature_
List< DynList< scalar, 1 > >	maxCurvature_
List< DynList< scalar, 1 > >	minCurvature_
List< DynList< vector, 1 > >	maxCurvatureVector_
List< DynList< vector, 1 > >	minCurvatureVector_

Detailed Description

Definition at line 51 of file triSurfaceCurvatureEstimator.H.

Constructor & Destructor Documentation

triSurfaceCurvatureEstimator() [1/2]

triSurfaceCurvatureEstimator ( const triSurfaceCurvatureEstimator &  )

private

Disallow default bitwise copy construct.

triSurfaceCurvatureEstimator() [2/2]

triSurfaceCurvatureEstimator

(

const triSurf &

surface

)

Construct from triSurface.

Definition at line 45 of file triSurfaceCurvatureEstimator.C.

~triSurfaceCurvatureEstimator()

~triSurfaceCurvatureEstimator

(

)

Definition at line 66 of file triSurfaceCurvatureEstimator.C.

Member Function Documentation

calculateEdgeCurvature()

void calculateEdgeCurvature ( )

private

calculate curvature of feature edges

mark feature edges

loop through the points and calculate the curvature for points attached to two feature edges

calculate the curvature and store it in the map

Definition at line 208 of file triSurfaceCurvatureEstimatorCalculate.C.

References Foam::acos(), DynList< T, staticSize >::append(), triSurfAddressing::edgeFacets(), triSurfaceCurvatureEstimator::edgePointCurvature_, triSurfAddressing::edges(), forAll, forAllRow, Foam::mag(), Foam::max(), Foam::min(), triSurfAddressing::pointEdges(), points, triSurfPoints::points(), LongList< T, Offset >::size(), DynList< T, staticSize >::size(), VRWGraph::sizeOfRow(), and triSurfaceCurvatureEstimator::surface_.

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calculateSurfaceCurvatures()

void calculateSurfaceCurvatures ( )

private

calculate curvatures of other surface points

store the patches

find the position of point in the patch triangles

store point coordinates

fit the quadric patch to the surface

store curvatures

smooth curvatures using weighted Laplace

find neighbouring points for each patch

update min curvature for all point patches

store the value

update Gaussian and mean curvatures

Definition at line 293 of file triSurfaceCurvatureEstimatorCalculate.C.

References DynList< T, staticSize >::append(), List::append(), Foam::constRow, Foam::endl(), forAll, forAllConstIter(), forAllIter, forAllRow, quadricFitting::gaussianCurvature(), triSurfaceCurvatureEstimator::gaussianCurvature_, Foam::Info, HashSet< Key, Hash >::insert(), Foam::mag(), quadricFitting::maxCurvature(), triSurfaceCurvatureEstimator::maxCurvature_, quadricFitting::maxCurvatureVector(), triSurfaceCurvatureEstimator::maxCurvatureVector_, quadricFitting::meanCurvature(), triSurfaceCurvatureEstimator::meanCurvature_, quadricFitting::minCurvature(), triSurfaceCurvatureEstimator::minCurvature_, quadricFitting::minCurvatureVector(), triSurfaceCurvatureEstimator::minCurvatureVector_, Foam::name(), triSurfaceCurvatureEstimator::patchPositions_, triSurfAddressing::pointFacets(), points, triSurfPoints::points(), Foam::pos(), labelledTri::region(), Foam::help::scalarToText(), FRWGraph< T, width >::setSize(), List::setSize(), triSurfFacets::size(), DynList< T, staticSize >::size(), triSurfaceCurvatureEstimator::surface_, Foam::writeSurfaceToVTK(), and Vector< scalar >::zero.

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calculateGaussianCurvature()

void calculateGaussianCurvature ( )

private

calculate Gaussian curvature

calculateMeanCurvature()

void calculateMeanCurvature ( )

private

calculation of mean curvature

calculateMinAndMaxCurvature()

void calculateMinAndMaxCurvature ( )

private

calculation of min and max curvature

operator=()

void operator= ( const triSurfaceCurvatureEstimator &  )

private

Disallow default bitwise assignment.

edgePointCurvature()

scalar edgePointCurvature

(

const label

pI

)

const

return curvature of points at feature edges

Definition at line 71 of file triSurfaceCurvatureEstimator.C.

References triSurfaceCurvatureEstimator::edgePointCurvature_.

curvatureAtEdge()

scalar curvatureAtEdge

(

const label

edgeI

)

const

Definition at line 76 of file triSurfaceCurvatureEstimator.C.

References triSurfaceCurvatureEstimator::edgePointCurvature_, triSurfAddressing::edges(), edge::end(), edge::start(), and triSurfaceCurvatureEstimator::surface_.

Referenced by meshOctreeAutomaticRefinement::refineBasedOnCurvature().

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gaussianCurvatureAtTriangle()

scalar gaussianCurvatureAtTriangle

(

const label

triI

)

const

return average curvature on a surface triangle

Definition at line 87 of file triSurfaceCurvatureEstimator.C.

meanCurvatureAtTriangle()

scalar meanCurvatureAtTriangle

(

const label

triI

)

const

Definition at line 102 of file triSurfaceCurvatureEstimator.C.

Referenced by meshOctreeAutomaticRefinement::refineBasedOnCurvature().

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maxCurvatureAtTriangle()

scalar maxCurvatureAtTriangle

(

const label

triI

)

const

Definition at line 117 of file triSurfaceCurvatureEstimator.C.

minCurvatureAtTriangle()

scalar minCurvatureAtTriangle

(

const label

triI

)

const

Definition at line 132 of file triSurfaceCurvatureEstimator.C.

maxCurvatureVectorAtTriangle()

vector maxCurvatureVectorAtTriangle

(

const label

triI

)

const

Definition at line 147 of file triSurfaceCurvatureEstimator.C.

References Vector< scalar >::zero.

minCurvatureVectorAtTriangle()

vector minCurvatureVectorAtTriangle

(

const label

triI

)

const

Definition at line 162 of file triSurfaceCurvatureEstimator.C.

References Vector< scalar >::zero.

Field Documentation

surface_

const triSurf& surface_

private

reference to triSurface

Definition at line 55 of file triSurfaceCurvatureEstimator.H.

Referenced by triSurfaceCurvatureEstimator::calculateEdgeCurvature(), triSurfaceCurvatureEstimator::calculateSurfaceCurvatures(), and triSurfaceCurvatureEstimator::curvatureAtEdge().

edgePointCurvature_

scalarField edgePointCurvature_

private

curvature of points at feature edges

Definition at line 58 of file triSurfaceCurvatureEstimator.H.

Referenced by triSurfaceCurvatureEstimator::calculateEdgeCurvature(), triSurfaceCurvatureEstimator::curvatureAtEdge(), and triSurfaceCurvatureEstimator::edgePointCurvature().

patchPositions_

FRWGraph<label, 3> patchPositions_

private

curvatures of other points

Definition at line 61 of file triSurfaceCurvatureEstimator.H.

Referenced by triSurfaceCurvatureEstimator::calculateSurfaceCurvatures().

gaussianCurvature_

List<DynList<scalar, 1> > gaussianCurvature_

private

Definition at line 62 of file triSurfaceCurvatureEstimator.H.

Referenced by triSurfaceCurvatureEstimator::calculateSurfaceCurvatures().

meanCurvature_

List<DynList<scalar, 1> > meanCurvature_

private

Definition at line 63 of file triSurfaceCurvatureEstimator.H.

Referenced by triSurfaceCurvatureEstimator::calculateSurfaceCurvatures().

maxCurvature_

List<DynList<scalar, 1> > maxCurvature_

private

Definition at line 64 of file triSurfaceCurvatureEstimator.H.

Referenced by triSurfaceCurvatureEstimator::calculateSurfaceCurvatures().

minCurvature_

List<DynList<scalar, 1> > minCurvature_

private

Definition at line 65 of file triSurfaceCurvatureEstimator.H.

Referenced by triSurfaceCurvatureEstimator::calculateSurfaceCurvatures().

maxCurvatureVector_

List<DynList<vector, 1> > maxCurvatureVector_

private

Definition at line 66 of file triSurfaceCurvatureEstimator.H.

Referenced by triSurfaceCurvatureEstimator::calculateSurfaceCurvatures().

minCurvatureVector_

List<DynList<vector, 1> > minCurvatureVector_

private

Definition at line 67 of file triSurfaceCurvatureEstimator.H.

Referenced by triSurfaceCurvatureEstimator::calculateSurfaceCurvatures().

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

• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/triSurfaceTools/triSurfaceCurvatureEstimator/triSurfaceCurvatureEstimator.H
• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/triSurfaceTools/triSurfaceCurvatureEstimator/triSurfaceCurvatureEstimator.C
• applications/extra/cfMesh-v1.1.2/meshLibrary/utilities/triSurfaceTools/triSurfaceCurvatureEstimator/triSurfaceCurvatureEstimatorCalculate.C