surfaceFeatureExtract.C File Reference

Extracts and writes surface features to file. All but the basic feature extraction is WIP. More...

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Functions
scalar	calcVertexNormalWeight (const triFace &f, const label pI, const vector &fN, const pointField &points)
point	randomPointInPlane (const plane &p)
triadField	calcVertexCoordSys (const triSurface &surf, const vectorField &pointNormals)
vectorField	calcVertexNormals (const triSurface &surf)
triSurfacePointScalarField	calcCurvature (const word &name, const Time &runTime, const triSurface &surf, const vectorField &pointNormals, const triadField &pointCoordSys)
bool	edgesConnected (const edge &e1, const edge &e2)
scalar	calcProximityOfFeaturePoints (const List< pointIndexHit > &hitList, const scalar defaultCellSize)
scalar	calcProximityOfFeatureEdges (const extendedFeatureEdgeMesh &efem, const List< pointIndexHit > &hitList, const scalar defaultCellSize)
void	dumpBox (const treeBoundBox &bb, const fileName &fName)
void	deleteBox (const triSurface &surf, const treeBoundBox &bb, const bool removeInside, List< surfaceFeatures::edgeStatus > &edgeStat)
bool	onLine (const point &p, const linePointRef &line)
void	deleteEdges (const triSurface &surf, const plane &cutPlane, List< surfaceFeatures::edgeStatus > &edgeStat)
void	drawHitProblem (label fI, const triSurface &surf, const pointField &start, const pointField &faceCentres, const pointField &end, const List< pointIndexHit > &hitInfo)
void	unmarkBaffles (const triSurface &surf, const scalar includedAngle, List< surfaceFeatures::edgeStatus > &edgeStat)
surfaceFeatures::edgeStatus	checkFlatRegionEdge (const triSurface &surf, const scalar tol, const scalar includedAngle, const label edgeI)
	Divide into multiple normal bins. More...
void	writeStats (const extendedFeatureEdgeMesh &fem, Ostream &os)
int	main (int argc, char *argv[])

Detailed Description

Extracts and writes surface features to file. All but the basic feature extraction is WIP.

Original source file surfaceFeatureExtract.C

Curvature calculation is an implementation of the algorithm from:

"Estimating Curvatures and their Derivatives on Triangle Meshes" by S. Rusinkiewicz

Definition in file surfaceFeatureExtract.C.

Function Documentation

calcVertexNormalWeight()

scalar calcVertexNormalWeight	(	const triFace &	f,
		const label	pI,
		const vector &	fN,
		const pointField &	points
	)

Definition at line 62 of file surfaceFeatureExtract.C.

References Foam::abort(), f(), Foam::FatalError, FatalErrorInFunction, Foam::findIndex(), Foam::mag(), Foam::magSqr(), and points.

Referenced by calcCurvature(), and calcVertexNormals().

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randomPointInPlane()

point randomPointInPlane

(

const plane &

p

)

Definition at line 84 of file surfaceFeatureExtract.C.

References Foam::e, Foam::mag(), p, x, Vector< Cmpt >::x(), y, Vector< Cmpt >::y(), and Vector< Cmpt >::z().

Referenced by calcVertexCoordSys().

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calcVertexCoordSys()

triadField calcVertexCoordSys	(	const triSurface &	surf,
		const vectorField &	pointNormals
	)

Definition at line 152 of file surfaceFeatureExtract.C.

References forAll, Foam::mag(), PrimitivePatch< Face, FaceList, PointField, PointType >::meshPointMap(), p, points, PrimitivePatch< Face, FaceList, PointField, PointType >::points(), randomPointInPlane(), and triad::unset.

Referenced by main().

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calcVertexNormals()

vectorField calcVertexNormals

(

const triSurface &

surf

)

Definition at line 189 of file surfaceFeatureExtract.C.

References calcVertexNormalWeight(), Foam::endl(), f(), forAll, Foam::Info, Foam::mag(), PrimitivePatch< Face, FaceList, PointField, PointType >::meshPoints(), PrimitivePatch< Face, FaceList, PointField, PointType >::nPoints(), pFaces, PrimitivePatch< Face, FaceList, PointField, PointType >::pointFaces(), points, PrimitivePatch< Face, FaceList, PointField, PointType >::points(), and Vector< scalar >::zero.

Referenced by main().

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calcCurvature()

triSurfacePointScalarField calcCurvature	(	const word &	name,
		const Time &	runTime,
		const triSurface &	surf,
		const vectorField &	pointNormals,
		const triadField &	pointCoordSys
	)

Definition at line 232 of file surfaceFeatureExtract.C.

References calcVertexNormalWeight(), TimePaths::constant(), Foam::dimLength, Foam::e, Foam::eigenValues(), Foam::endl(), f(), forAll, Foam::Info, Foam::LUsolve(), Foam::mag(), Foam::magSqr(), Foam::max(), PrimitivePatch< Face, FaceList, PointField, PointType >::meshPointMap(), PrimitivePatch< Face, FaceList, PointField, PointType >::meshPoints(), Foam::name(), IOobject::NO_READ, IOobject::NO_WRITE, triad::normalize(), points, PrimitivePatch< Face, FaceList, PointField, PointType >::points(), Foam::rotationTensor(), triad::set(), List::size(), Foam::sqr(), Foam::T(), x, Tensor2D< Cmpt >::x(), y, Tensor2D< Cmpt >::y(), SymmTensor2D< Cmpt >::zero, and Vector< scalar >::zero.

Referenced by main().

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edgesConnected()

bool edgesConnected	(	const edge &	e1,
		const edge &	e2
	)

Definition at line 430 of file surfaceFeatureExtract.C.

References edge::end(), and edge::start().

Referenced by calcProximityOfFeatureEdges().

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calcProximityOfFeaturePoints()

scalar calcProximityOfFeaturePoints	(	const List< pointIndexHit > &	hitList,
		const scalar	defaultCellSize
	)

Definition at line 448 of file surfaceFeatureExtract.C.

References PointIndexHit< Point >::hit(), PointIndexHit< Point >::hitPoint(), Foam::mag(), Foam::min(), and List::size().

Referenced by main().

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calcProximityOfFeatureEdges()

scalar calcProximityOfFeatureEdges	(	const extendedFeatureEdgeMesh &	efem,
		const List< pointIndexHit > &	hitList,
		const scalar	defaultCellSize
	)

Definition at line 490 of file surfaceFeatureExtract.C.

References edgeMesh::edges(), edgesConnected(), PointIndexHit< Point >::hit(), PointIndexHit< Point >::hitPoint(), PointIndexHit< Point >::index(), Foam::mag(), Foam::min(), and List::size().

Referenced by main().

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dumpBox()

void dumpBox	(	const treeBoundBox &	bb,
		const fileName &	fName
	)

Definition at line 541 of file surfaceFeatureExtract.C.

References Foam::e, treeBoundBox::edges, Foam::endl(), forAll, Foam::Info, OFstream::name(), Foam::nl, treeBoundBox::points(), and Foam::meshTools::writeOBJ().

Referenced by main().

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deleteBox()

void deleteBox	(	const triSurface &	surf,
		const treeBoundBox &	bb,
		const bool	removeInside,
		List< surfaceFeatures::edgeStatus > &	edgeStat
	)

Definition at line 567 of file surfaceFeatureExtract.C.

References treeBoundBox::contains(), PrimitivePatch< Face, FaceList, PointField, PointType >::edges(), forAll, PrimitivePatch< Face, FaceList, PointField, PointType >::localPoints(), and surfaceFeatures::NONE.

Referenced by main().

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onLine()

bool onLine	(	const point &	p,
		const linePointRef &	line
	)

Definition at line 586 of file surfaceFeatureExtract.C.

References Foam::constant::physicoChemical::b, line::end(), Foam::max(), Foam::min(), p, line::start(), Vector< Cmpt >::x(), Vector< Cmpt >::y(), and Vector< Cmpt >::z().

Referenced by deleteEdges().

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deleteEdges()

void deleteEdges	(	const triSurface &	surf,
		const plane &	cutPlane,
		List< surfaceFeatures::edgeStatus > &	edgeStat
	)

Definition at line 607 of file surfaceFeatureExtract.C.

References Foam::e, PrimitivePatch< Face, FaceList, PointField, PointType >::edges(), forAll, intersect(), plane::lineIntersect(), PrimitivePatch< Face, FaceList, PointField, PointType >::meshPoints(), surfaceFeatures::NONE, onLine(), points, and PrimitivePatch< Face, FaceList, PointField, PointType >::points().

Referenced by main().

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drawHitProblem()

void drawHitProblem	(	label	fI,
		const triSurface &	surf,
		const pointField &	start,
		const pointField &	faceCentres,
		const pointField &	end,
		const List< pointIndexHit > &	hitInfo
	)

Definition at line 637 of file surfaceFeatureExtract.C.

References Foam::endl(), forAll, Foam::Info, Foam::nl, PrimitivePatch< Face, FaceList, PointField, PointType >::points(), and Foam::meshTools::writeOBJ().

Referenced by main().

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unmarkBaffles()

void unmarkBaffles	(	const triSurface &	surf,
		const scalar	includedAngle,
		List< surfaceFeatures::edgeStatus > &	edgeStat
	)

Definition at line 685 of file surfaceFeatureExtract.C.

References Foam::cos(), Foam::degToRad(), PrimitivePatch< Face, FaceList, PointField, PointType >::edgeFaces(), PrimitivePatch< Face, FaceList, PointField, PointType >::faceNormals(), forAll, Foam::mag(), n, surfaceFeatures::NONE, and List::size().

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checkFlatRegionEdge()

surfaceFeatures::edgeStatus checkFlatRegionEdge	(	const triSurface &	surf,
		const scalar	tol,
		const scalar	includedAngle,
		const label	edgeI
	)

Divide into multiple normal bins.

• return REGION if != 2 normals

return REGION if 2 normals that make feature angle

• otherwise return NONE and set normals,bins

Definition at line 737 of file surfaceFeatureExtract.C.

References DynamicList::append(), Foam::cos(), Foam::degToRad(), Foam::e, triFace::edgeDirection(), PrimitivePatch< Face, FaceList, PointField, PointType >::edgeFaces(), PrimitivePatch< Face, FaceList, PointField, PointType >::edges(), Foam::exit(), PrimitivePatch< Face, FaceList, PointField, PointType >::faceNormals(), Foam::FatalError, FatalErrorInFunction, Foam::findIndex(), forAll, PrimitivePatch< Face, FaceList, PointField, PointType >::localFaces(), Foam::mag(), n, surfaceFeatures::NONE, surfaceFeatures::REGION, labelledTri::region(), and List::size().

Referenced by main().

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writeStats()

void writeStats	(	const extendedFeatureEdgeMesh &	fem,
		Ostream &	os
	)

Definition at line 902 of file surfaceFeatureExtract.C.

References extendedEdgeMesh::concaveStart(), edgeMesh::edges(), Foam::endl(), extendedEdgeMesh::flatStart(), extendedEdgeMesh::internalStart(), extendedEdgeMesh::mixedStart(), extendedEdgeMesh::multipleStart(), Foam::nl, extendedEdgeMesh::nonFeatureStart(), extendedEdgeMesh::openStart(), edgeMesh::points(), and List::size().

Referenced by autoSnapDriver::calcNearestSurfaceFeature(), distributedTriSurfaceMesh::distributedTriSurfaceMesh(), autoSnapDriver::featureAttractionUsingFeatureEdges(), and main().

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main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 930 of file surfaceFeatureExtract.C.

References extendedEdgeMesh::add(), argList::addNote(), extendedEdgeMesh::allNearestFeatureEdges(), extendedEdgeMesh::allNearestFeaturePoints(), Switch::asText(), IOobject::AUTO_WRITE, searchableSurface::bounds(), calcCurvature(), calcProximityOfFeatureEdges(), calcProximityOfFeaturePoints(), calcVertexCoordSys(), calcVertexNormals(), checkFlatRegionEdge(), triangle::circumCentre(), triangle::circumRadius(), TimePaths::constant(), TimePaths::constantPath(), Foam::cos(), Foam::degToRad(), deleteBox(), deleteEdges(), dict, dictIO(), dictName(), Foam::dimLength, drawHitProblem(), dumpBox(), Foam::e, PrimitivePatch< Face, FaceList, PointField, PointType >::edgeFaces(), edgeMesh::edges(), clock::elapsedClockTime(), cpuTime::elapsedCpuTime(), Foam::endl(), Foam::exit(), PrimitivePatch< Face, FaceList, PointField, PointType >::faceCentres(), PrimitivePatch< Face, FaceList, PointField, PointType >::faceNormals(), Foam::FatalError, FatalErrorInFunction, surfaceFeatures::featureEdges(), surfaceFeatures::featurePoints(), Foam::findIndex(), triSurfaceMesh::findLineAll(), forAll, forAllConstIter(), dictionary::found(), Foam::Info, dictionary::isDict(), k, fileName::lessExt(), dictionary::lookup(), dictionary::lookupOrAddDefault(), dictionary::lookupOrDefault(), boundBox::mag(), Foam::mag(), Foam::min(), Foam::mkDir(), IOobject::MUST_READ, fileName::name(), Foam::name(), IOobject::name(), surfaceFeatures::nExternalEdges(), surfaceFeatures::nInternalEdges(), Foam::nl, IOobject::NO_READ, IOobject::NO_WRITE, surfaceFeatures::NONE, argList::noParallel(), plane::normal(), surfaceFeatures::nRegionEdges(), IOobject::objectPath(), triSurface::patches(), IOobject::path(), edgeMesh::points(), PrimitivePatch< Face, FaceList, PointField, PointType >::points(), dictionary::readIfPresent(), Foam::readScalar(), plane::refPoint(), surfaceFeatures::REGION, autoPtr::set(), surfaceFeatures::setFromStatus(), List::size(), Foam::sqr(), dictionary::subDict(), objectRegistry::time(), vtkSurfaceWriter::write(), extendedFeatureEdgeMesh::write(), writeObj(), extendedEdgeMesh::writeObj(), triSurface::writeStats(), writeStats(), and Foam::writeVTK().