A collection of tools for triSurface. More...
Public Types | |
enum | sideType { UNKNOWN , INSIDE , OUTSIDE } |
On which side of surface. More... | |
Public Member Functions | |
triSurface | triangulateFaceCentre (const polyBoundaryMesh &mBesh, const labelHashSet &includePatches, const bool verbose=false) |
Face-centre triangulation of (selected patches of) boundaryMesh. More... | |
Static Public Member Functions | |
static void | writeOBJ (const fileName &fName, const pointField &pts) |
Write pointField to OBJ format file. More... | |
static void | writeOBJ (const triSurface &surf, const fileName &fName, const boolList &markedVerts) |
Write vertex subset to OBJ format file. More... | |
static void | getVertexTriangles (const triSurface &surf, const label edgeI, labelList &edgeTris) |
Get all triangles using edge endpoint. More... | |
static labelList | getVertexVertices (const triSurface &surf, const edge &e) |
Get all vertices (local numbering) connected to vertices of edge. More... | |
static label | otherFace (const triSurface &surf, const label facei, const label edgeI) |
Get face connected to edge not facei. More... | |
static void | otherEdges (const triSurface &surf, const label facei, const label edgeI, label &e1, label &e2) |
Get the two edges on facei counterclockwise after edgeI. More... | |
static void | otherVertices (const triSurface &surf, const label facei, const label vertI, label &vert1I, label &vert2I) |
Get the two vertices (local numbering) on facei counterclockwise. More... | |
static label | oppositeEdge (const triSurface &surf, const label facei, const label vertI) |
Get edge opposite vertex (local numbering) More... | |
static label | oppositeVertex (const triSurface &surf, const label facei, const label edgeI) |
Get vertex (local numbering) opposite edge. More... | |
static label | getEdge (const triSurface &surf, const label vert1I, const label vert2I) |
Returns edge label connecting v1, v2 (local numbering) More... | |
static label | getTriangle (const triSurface &surf, const label e0I, const label e1I, const label e2I) |
Return index of triangle (or -1) using all three edges. More... | |
static triSurface | collapseEdges (const triSurface &surf, const labelList &collapsableEdges) |
Create new triSurface by collapsing edges to edge mids. More... | |
static triSurface | collapseEdges (const triSurface &surf, const labelList &collapsableEdges, const pointField &edgeMids, labelList &faceStatus) |
Create new triSurface by collapsing edges to specified. More... | |
static triSurface | greenRefine (const triSurface &surf, const labelList &refineEdges) |
Refine edges by splitting to opposite vertex. More... | |
static triSurface | redGreenRefine (const triSurface &surf, const labelList &refineFaces) |
Refine face by splitting all edges. Neighbouring face is. More... | |
static label | minEdge (const triSurface &surf, const labelList &edgeIndices) |
Returns element in edgeIndices with minimum length. More... | |
static label | maxEdge (const triSurface &surf, const labelList &edgeIndices) |
Returns element in edgeIndices with minimum length. More... | |
static triSurface | mergePoints (const triSurface &surf, const scalar mergeTol) |
Merge points within distance. More... | |
static vector | surfaceNormal (const triSurface &surf, const label nearestFacei, const point &nearestPt) |
Triangle (unit) normal. If nearest point to triangle on edge use. More... | |
static sideType | edgeSide (const triSurface &surf, const point &sample, const point &nearestPoint, const label edgeI) |
If nearest point is on edgeI, determine on which side of surface. More... | |
static sideType | surfaceSide (const triSurface &surf, const point &sample, const label nearestFacei) |
Given nearest point (to sample) on surface determines which side. More... | |
static triSurface | triangulate (const polyBoundaryMesh &mBesh, const labelHashSet &includePatches, const bool verbose=false) |
Simple triangulation of (selected patches of) boundaryMesh. Needs. More... | |
static triSurface | triangulate (const polyBoundaryMesh &bMesh, const labelHashSet &includePatches, const boundBox &bBox, const bool verbose=false) |
static void | calcInterpolationWeights (const triPointRef &, const point &, FixedList< scalar, 3 > &weights) |
Calculate linear interpolation weights for point (guaranteed to be. More... | |
static void | calcInterpolationWeights (const triSurface &s, const pointField &samplePts, List< FixedList< label, 3 >> &verts, List< FixedList< scalar, 3 >> &weights) |
static triSurface | delaunay2D (const List< vector2D > &) |
Do unconstrained Delaunay of points. Returns triSurface with 3D. More... | |
static surfaceLocation | classify (const triSurface &, const label triI, const point &trianglePoint) |
Test point on plane of triangle to see if on edge or point or inside. More... | |
static surfaceLocation | trackToEdge (const triSurface &, const surfaceLocation &start, const surfaceLocation &end, const plane &cutPlane) |
Track on surface to get closer to point. More... | |
static void | track (const triSurface &, const surfaceLocation &endInfo, const plane &cutPlane, surfaceLocation &hitInfo) |
Track from edge to edge across surface. Uses trackToEdge. More... | |
Static Public Attributes | |
static const label | ANYEDGE = -1 |
Face collapse status. More... | |
static const label | NOEDGE = -2 |
static const label | COLLAPSED = -3 |
enum sideType |
On which side of surface.
Enumerator | |
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UNKNOWN | |
INSIDE | |
OUTSIDE |
Definition at line 437 of file triSurfaceTools.H.
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Write pointField to OBJ format file.
Definition at line 1250 of file triSurfaceTools.C.
References Foam::endl(), forAll, Foam::Pout, List< T >::size(), Vector< Cmpt >::x(), Vector< Cmpt >::y(), and Vector< Cmpt >::z().
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Write vertex subset to OBJ format file.
Definition at line 1269 of file triSurfaceTools.C.
References Foam::endl(), forAll, PrimitivePatch< FaceList, PointField >::localPoints(), Foam::Pout, Vector< Cmpt >::x(), Vector< Cmpt >::y(), and Vector< Cmpt >::z().
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Get all triangles using edge endpoint.
Definition at line 1299 of file triSurfaceTools.C.
References Foam::e, PrimitivePatch< FaceList, PointField >::edgeFaces(), PrimitivePatch< FaceList, PointField >::edges(), forAll, PrimitivePatch< FaceList, PointField >::pointFaces(), List< T >::setSize(), and List< T >::size().
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Get all vertices (local numbering) connected to vertices of edge.
Definition at line 1342 of file triSurfaceTools.C.
References Foam::e, PrimitivePatch< FaceList, PointField >::edges(), forAll, HashSet< Key, Hash >::insert(), PrimitivePatch< FaceList, PointField >::pointEdges(), and HashTable< T, Key, Hash >::toc().
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Get face connected to edge not facei.
Definition at line 1427 of file triSurfaceTools.C.
References PrimitivePatch< FaceList, PointField >::edgeFaces(), and List< T >::size().
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Get the two edges on facei counterclockwise after edgeI.
Definition at line 1455 of file triSurfaceTools.C.
References Foam::abort(), PrimitivePatch< FaceList, PointField >::edges(), PrimitivePatch< FaceList, PointField >::faceEdges(), Foam::FatalError, FatalErrorInFunction, UList< T >::fcIndex(), Foam::findIndex(), and PrimitivePatch< FaceList, PointField >::localFaces().
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Get the two vertices (local numbering) on facei counterclockwise.
vertI
Definition at line 1484 of file triSurfaceTools.C.
References Foam::abort(), f(), Foam::FatalError, FatalErrorInFunction, and PrimitivePatch< FaceList, PointField >::localFaces().
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Get edge opposite vertex (local numbering)
Definition at line 1519 of file triSurfaceTools.C.
References Foam::abort(), Foam::e, PrimitivePatch< FaceList, PointField >::edges(), PrimitivePatch< FaceList, PointField >::faceEdges(), Foam::FatalError, FatalErrorInFunction, and forAll.
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Get vertex (local numbering) opposite edge.
Definition at line 1549 of file triSurfaceTools.C.
References Foam::abort(), Foam::e, PrimitivePatch< FaceList, PointField >::edges(), f(), Foam::FatalError, FatalErrorInFunction, forAll, and PrimitivePatch< FaceList, PointField >::localFaces().
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Returns edge label connecting v1, v2 (local numbering)
Definition at line 1578 of file triSurfaceTools.C.
References Foam::e, PrimitivePatch< FaceList, PointField >::edges(), forAll, and PrimitivePatch< FaceList, PointField >::pointEdges().
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Return index of triangle (or -1) using all three edges.
Definition at line 1602 of file triSurfaceTools.C.
References Foam::abort(), PrimitivePatch< FaceList, PointField >::edgeFaces(), PrimitivePatch< FaceList, PointField >::faceEdges(), Foam::FatalError, FatalErrorInFunction, and forAll.
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Create new triSurface by collapsing edges to edge mids.
Definition at line 1649 of file triSurfaceTools.C.
References Foam::e, PrimitivePatch< FaceList, PointField >::edges(), forAll, PrimitivePatch< FaceList, PointField >::localPoints(), PrimitivePatch< FaceList, PointField >::nEdges(), and List< T >::size().
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Create new triSurface by collapsing edges to specified.
positions. faceStatus allows explicit control over which faces need to be protected (see above). faceStatus gets updated to protect collapsing already collapsed faces.
Definition at line 1702 of file triSurfaceTools.C.
References Foam::abort(), b, Foam::constant::universal::c, Foam::e, PrimitivePatch< FaceList, PointField >::edgeFaces(), PrimitivePatch< FaceList, PointField >::edges(), Foam::endl(), f(), Foam::FatalError, FatalErrorInFunction, forAll, PrimitivePatch< FaceList, PointField >::localFaces(), PrimitivePatch< FaceList, PointField >::localPoints(), Foam::min(), PrimitivePatch< FaceList, PointField >::nEdges(), triSurface::patches(), List< T >::setSize(), and List< T >::size().
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Refine edges by splitting to opposite vertex.
Definition at line 1883 of file triSurfaceTools.C.
References DynamicList< T, SizeInc, SizeMult, SizeDiv >::append(), Foam::e, PrimitivePatch< FaceList, PointField >::edgeFaces(), PrimitivePatch< FaceList, PointField >::edges(), forAll, PrimitivePatch< FaceList, PointField >::localFaces(), PrimitivePatch< FaceList, PointField >::localPoints(), PrimitivePatch< FaceList, PointField >::nEdges(), newPointi, PrimitivePatch< FaceList, PointField >::nPoints(), triSurface::patches(), List< T >::setSize(), DynamicList< T, SizeInc, SizeMult, SizeDiv >::shrink(), and List< T >::size().
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Refine face by splitting all edges. Neighbouring face is.
greenRefine'd.
Definition at line 1864 of file triSurfaceTools.C.
References forAll, and List< T >::size().
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Returns element in edgeIndices with minimum length.
Definition at line 1975 of file triSurfaceTools.C.
References Foam::e, PrimitivePatch< FaceList, PointField >::edges(), forAll, PrimitivePatch< FaceList, PointField >::localPoints(), and Foam::mag().
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Returns element in edgeIndices with minimum length.
Definition at line 2005 of file triSurfaceTools.C.
References Foam::e, PrimitivePatch< FaceList, PointField >::edges(), forAll, PrimitivePatch< FaceList, PointField >::localPoints(), and Foam::mag().
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Merge points within distance.
Definition at line 2035 of file triSurfaceTools.C.
References f(), forAll, PrimitivePatch< FaceList, PointField >::localFaces(), PrimitivePatch< FaceList, PointField >::localPoints(), Foam::mergePoints(), PrimitivePatch< FaceList, PointField >::nPoints(), triSurface::patches(), List< T >::setSize(), and List< T >::size().
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Triangle (unit) normal. If nearest point to triangle on edge use.
edge normal (calculated on the fly); if on vertex use vertex normal. Uses planarTol.
Definition at line 2094 of file triSurfaceTools.C.
References triangle< Point, PointRef >::EDGE, PrimitivePatch< FaceList, PointField >::edgeFaces(), f(), PrimitivePatch< FaceList, PointField >::faceEdges(), PrimitivePatch< FaceList, PointField >::faceNormals(), forAll, PrimitivePatch< FaceList, PointField >::localFaces(), Foam::mag(), triangle< Point, PointRef >::NONE, PrimitivePatch< FaceList, PointField >::pointNormals(), points, PrimitivePatch< FaceList, PointField >::points(), and Foam::Zero.
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If nearest point is on edgeI, determine on which side of surface.
sample is.
Definition at line 2138 of file triSurfaceTools.C.
References PrimitivePatch< FaceList, PointField >::edgeFaces(), PrimitivePatch< FaceList, PointField >::faceNormals(), n, and List< T >::size().
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Given nearest point (to sample) on surface determines which side.
sample is. Uses either face normal, edge normal or point normal (non-trivial). Uses triangle::classify.
Definition at line 2175 of file triSurfaceTools.C.
References Foam::abort(), Foam::constant::universal::c, Foam::e, triangle< Point, PointRef >::EDGE, PrimitivePatch< FaceList, PointField >::edges(), f(), PrimitivePatch< FaceList, PointField >::faceEdges(), PrimitivePatch< FaceList, PointField >::faceNormals(), Foam::FatalError, FatalErrorInFunction, forAll, PrimitivePatch< FaceList, PointField >::localFaces(), PrimitivePatch< FaceList, PointField >::localPoints(), Foam::mag(), Foam::magSqr(), triangle< Point, PointRef >::NONE, PrimitivePatch< FaceList, PointField >::pointEdges(), points, PrimitivePatch< FaceList, PointField >::points(), PointHit< Point >::rawPoint(), and Foam::sqr().
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Simple triangulation of (selected patches of) boundaryMesh. Needs.
polyMesh (or polyBoundaryMesh) since only at this level are the triangles on neighbouring patches connected.
Definition at line 2331 of file triSurfaceTools.C.
References DynamicList< T, SizeInc, SizeMult, SizeDiv >::append(), bMesh, Foam::endl(), f(), forAll, forAllConstIter, includePatches, PrimitivePatch< FaceList, PointField >::localFaces(), PrimitivePatch< FaceList, PointField >::localPoints(), polyBoundaryMesh::mesh(), patchIdentifier::name(), primitiveMesh::nFaces(), primitiveMesh::nInternalFaces(), triSurface::patches(), patchi, points, polyMesh::points(), PrimitivePatch< FaceList, PointField >::points(), Foam::Pout, List< T >::setSize(), DynamicList< T, SizeInc, SizeMult, SizeDiv >::shrink(), UList< T >::size(), and polygonTriangulate::triPoints().
Referenced by powerLawLopesdaCostaZone::powerLawLopesdaCostaZone().
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Definition at line 2416 of file triSurfaceTools.C.
References DynamicList< T, SizeInc, SizeMult, SizeDiv >::append(), bMesh, boundBox::containsAny(), Foam::endl(), f(), forAll, forAllConstIter, includePatches, PrimitivePatch< FaceList, PointField >::localFaces(), PrimitivePatch< FaceList, PointField >::localPoints(), polyBoundaryMesh::mesh(), patchIdentifier::name(), primitiveMesh::nFaces(), primitiveMesh::nInternalFaces(), triSurface::patches(), patchi, points, polyMesh::points(), PrimitivePatch< FaceList, PointField >::points(), Foam::Pout, List< T >::setSize(), DynamicList< T, SizeInc, SizeMult, SizeDiv >::shrink(), UList< T >::size(), and polygonTriangulate::triPoints().
Foam::triSurface triangulateFaceCentre | ( | const polyBoundaryMesh & | mBesh, |
const labelHashSet & | includePatches, | ||
const bool | verbose = false |
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Face-centre triangulation of (selected patches of) boundaryMesh.
Needs polyMesh (or polyBoundaryMesh) since only at this level are the triangles on neighbouring patches connected.
Definition at line 2506 of file triSurfaceTools.C.
References DynamicList< T, SizeInc, SizeMult, SizeDiv >::append(), bMesh, Foam::endl(), f(), primitiveMesh::faceCentres(), UList< T >::fcIndex(), forAll, forAllConstIter, includePatches, PrimitivePatch< FaceList, PointField >::localFaces(), PrimitivePatch< FaceList, PointField >::localPoints(), polyBoundaryMesh::mesh(), patchIdentifier::name(), newPointi, primitiveMesh::nFaces(), primitiveMesh::nInternalFaces(), triSurface::patches(), patchi, points, polyMesh::points(), Foam::Pout, List< T >::setSize(), DynamicList< T, SizeInc, SizeMult, SizeDiv >::shrink(), UList< T >::size(), List< T >::size(), and polyPatch::start().
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Calculate linear interpolation weights for point (guaranteed to be.
inside triangle)
Definition at line 2673 of file triSurfaceTools.C.
References triangle< Point, PointRef >::a(), triangle< Point, PointRef >::b(), triangle< Point, PointRef >::c(), Foam::mag(), Foam::max(), and p.
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Definition at line 2705 of file triSurfaceTools.C.
References PointHit< Point >::distance(), triangle< Point, PointRef >::EDGE, f(), UList< T >::fcIndex(), forAll, PointHit< Point >::hit(), Foam::mag(), Foam::max(), Foam::min(), triangle< Point, PointRef >::nearestPointClassify(), triangle< Point, PointRef >::POINT, points, PointHit< Point >::rawPoint(), s(), and List< T >::size().
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Do unconstrained Delaunay of points. Returns triSurface with 3D.
points with z=0. All triangles in region 0.
Definition at line 2608 of file triSurfaceTools.C.
References Foam::abort(), UList< T >::begin(), dtris2(), Foam::FatalError, FatalErrorInFunction, forAll, points, List< T >::setSize(), and List< T >::size().
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Test point on plane of triangle to see if on edge or point or inside.
Definition at line 2837 of file triSurfaceTools.C.
References triangle< Point, PointRef >::EDGE, surfaceLocation::elementType(), triangle< Point, PointRef >::NONE, triangle< Point, PointRef >::POINT, s(), PointIndexHit< Point >::setHit(), PointIndexHit< Point >::setIndex(), PointIndexHit< Point >::setMiss(), and PointIndexHit< Point >::setPoint().
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Track on surface to get closer to point.
Possible situations:
Definition at line 2881 of file triSurfaceTools.C.
References triangle< Point, PointRef >::EDGE, surfaceLocation::elementType(), PointIndexHit< Point >::hit(), PointIndexHit< Point >::index(), triangle< Point, PointRef >::NONE, pFaces, PointIndexHit< Point >::rawPoint(), s(), PointIndexHit< Point >::setMiss(), and surfaceLocation::triangle().
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Track from edge to edge across surface. Uses trackToEdge.
Not really useful by itself, more example of how to use trackToEdge. endInfo should be location on surface. hitInfo should be initialised to starting location (on surface as well). Upon return is set to end location.
Definition at line 2959 of file triSurfaceTools.C.
References PointIndexHit< Point >::hit(), s(), and surfaceLocation::triangle().
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Face collapse status.
anyEdge: any edge can be collapsed noEdge: no edge can be collapsed collapsed: already collapsed >0: edge label that can be collapsed
Definition at line 367 of file triSurfaceTools.H.
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Definition at line 368 of file triSurfaceTools.H.
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Definition at line 369 of file triSurfaceTools.H.