surfaceFeatureExtract: Moved feature edge editing functions to the surfaceFeatures class

This commit is contained in:
Henry Weller
2018-04-17 20:38:15 +01:00
parent ded92d5951
commit 1b0e09faf0
8 changed files with 158 additions and 235 deletions

View File

@ -1,4 +1,3 @@
surfaceFeatureExtractUtilities.C
surfaceFeatureExtract.C
EXE = $(FOAM_APPBIN)/surfaceFeatureExtract

View File

@ -23,12 +23,12 @@ License
\*---------------------------------------------------------------------------*/
#include "surfaceFeatureExtract.H"
#include "argList.H"
#include "Time.H"
#include "triSurfaceMesh.H"
#include "featureEdgeMesh.H"
#include "extendedFeatureEdgeMesh.H"
#include "surfaceFeatures.H"
#include "triSurfaceFields.H"
#include "vtkSurfaceWriter.H"
#include "IOdictionary.H"
@ -37,6 +37,37 @@ using namespace Foam;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
void writeStats(const extendedFeatureEdgeMesh& fem, Ostream& os)
{
os << " points : " << fem.points().size() << nl
<< " of which" << nl
<< " convex : "
<< fem.concaveStart() << nl
<< " concave : "
<< (fem.mixedStart() - fem.concaveStart()) << nl
<< " mixed : "
<< (fem.nonFeatureStart() - fem.mixedStart()) << nl
<< " non-feature : "
<< (fem.points().size() - fem.nonFeatureStart()) << nl
<< " edges : " << fem.edges().size() << nl
<< " of which" << nl
<< " external edges : "
<< fem.internalStart() << nl
<< " internal edges : "
<< (fem.flatStart() - fem.internalStart()) << nl
<< " flat edges : "
<< (fem.openStart() - fem.flatStart()) << nl
<< " open edges : "
<< (fem.multipleStart() - fem.openStart()) << nl
<< " multiply connected : "
<< (fem.edges().size() - fem.multipleStart()) << endl;
}
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
int main(int argc, char *argv[])
{
argList::addNote
@ -234,19 +265,19 @@ int main(int argc, char *argv[])
{
treeBoundBox bb(subsetDict.lookup("insideBox")());
Info<< "Removing all edges outside bb " << bb
<< " see subsetBox.obj" << endl;
bb.writeOBJ("subsetBox.obj");
deleteBox(surf, bb, false, edgeStat);
Info<< "Selecting edges inside bb " << bb
<< " see insideBox.obj" << endl;
bb.writeOBJ("insideBox.obj");
selectBox(surf, bb, true, edgeStat);
}
else if (subsetDict.found("outsideBox"))
{
treeBoundBox bb(subsetDict.lookup("outsideBox")());
Info<< "Removing all edges inside bb " << bb
<< " see deleteBox.obj" << endl;
bb.writeOBJ("deleteBox.obj");
deleteBox(surf, bb, true, edgeStat);
<< " see outsideBox.obj" << endl;
bb.writeOBJ("outsideBox.obj");
selectBox(surf, bb, false, edgeStat);
}
const Switch nonManifoldEdges =
@ -258,7 +289,7 @@ int main(int argc, char *argv[])
<< " (edges with > 2 connected faces) unless they"
<< " cross multiple regions" << endl;
deleteNonManifoldEdges(surf, 1e-5, includedAngle, edgeStat);
selectManifoldEdges(surf, 1e-5, includedAngle, edgeStat);
}
const Switch openEdges =
@ -280,9 +311,9 @@ int main(int argc, char *argv[])
if (subsetDict.found("plane"))
{
plane cutPlane(subsetDict.lookup("plane")());
const plane cutPlane(subsetDict.lookup("plane")());
deleteEdges(surf, cutPlane, edgeStat);
selectCutEdges(surf, cutPlane, edgeStat);
Info<< "Only edges that intersect the plane with normal "
<< cutPlane.normal()

View File

@ -1,67 +0,0 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2018 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Application
surfaceFeatureExtract
Description
Utility functions for surfaceFeatureExtract
\*---------------------------------------------------------------------------*/
#include "surfaceFeatures.H"
#include "extendedFeatureEdgeMesh.H"
#include "plane.H"
namespace Foam
{
//- Deletes all edges inside/outside bounding box from set.
void deleteBox
(
const triSurface& surf,
const boundBox& bb,
const bool removeInside,
List<surfaceFeatures::edgeStatus>& edgeStat
);
//- Deletes all edges inside/outside bounding box from set.
void deleteEdges
(
const triSurface& surf,
const plane& cutPlane,
List<surfaceFeatures::edgeStatus>& edgeStat
);
void deleteNonManifoldEdges
(
const triSurface& surf,
const scalar tol,
const scalar includedAngle,
List<surfaceFeatures::edgeStatus>& edgeStat
);
void writeStats(const extendedFeatureEdgeMesh& fem, Ostream& os);
}
// ************************************************************************* //

View File

@ -1,151 +0,0 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2018 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
OpenFOAM is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
Application
surfaceFeatureExtract
Description
Extracts and writes surface features to file. All but the basic feature
extraction is WIP.
\*---------------------------------------------------------------------------*/
#include "surfaceFeatureExtract.H"
#include "triSurface.H"
#include "Time.H"
#include "tensor2D.H"
#include "symmTensor2D.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
void Foam::deleteBox
(
const triSurface& surf,
const boundBox& bb,
const bool removeInside,
List<surfaceFeatures::edgeStatus>& edgeStat
)
{
forAll(edgeStat, edgei)
{
const point eMid = surf.edges()[edgei].centre(surf.localPoints());
if (removeInside ? bb.contains(eMid) : !bb.contains(eMid))
{
edgeStat[edgei] = surfaceFeatures::NONE;
}
}
}
void Foam::deleteEdges
(
const triSurface& surf,
const plane& cutPlane,
List<surfaceFeatures::edgeStatus>& edgeStat
)
{
const pointField& points = surf.points();
const labelList& meshPoints = surf.meshPoints();
forAll(edgeStat, edgei)
{
const edge& e = surf.edges()[edgei];
const point& p0 = points[meshPoints[e.start()]];
const point& p1 = points[meshPoints[e.end()]];
const linePointRef line(p0, p1);
// If edge does not intersect the plane, delete.
scalar intersect = cutPlane.lineIntersect(line);
point featPoint = intersect * (p1 - p0) + p0;
if (!line.insideBoundBox(featPoint))
{
edgeStat[edgei] = surfaceFeatures::NONE;
}
}
}
void Foam::deleteNonManifoldEdges
(
const triSurface& surf,
const scalar tol,
const scalar includedAngle,
List<surfaceFeatures::edgeStatus>& edgeStat
)
{
forAll(edgeStat, edgei)
{
const labelList& eFaces = surf.edgeFaces()[edgei];
if
(
eFaces.size() > 2
&& edgeStat[edgei] == surfaceFeatures::REGION
&& (eFaces.size() % 2) == 0
)
{
edgeStat[edgei] = checkNonManifoldEdge
(
surf,
tol,
includedAngle,
edgei
);
}
}
}
void Foam::writeStats(const extendedFeatureEdgeMesh& fem, Ostream& os)
{
os << " points : " << fem.points().size() << nl
<< " of which" << nl
<< " convex : "
<< fem.concaveStart() << nl
<< " concave : "
<< (fem.mixedStart() - fem.concaveStart()) << nl
<< " mixed : "
<< (fem.nonFeatureStart() - fem.mixedStart()) << nl
<< " non-feature : "
<< (fem.points().size() - fem.nonFeatureStart()) << nl
<< " edges : " << fem.edges().size() << nl
<< " of which" << nl
<< " external edges : "
<< fem.internalStart() << nl
<< " internal edges : "
<< (fem.flatStart() - fem.internalStart()) << nl
<< " flat edges : "
<< (fem.openStart() - fem.flatStart()) << nl
<< " open edges : "
<< (fem.multipleStart() - fem.openStart()) << nl
<< " multiply connected : "
<< (fem.edges().size() - fem.multipleStart()) << endl;
}
// ************************************************************************* //

View File

@ -2,7 +2,7 @@
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2017 OpenFOAM Foundation
\\ / A nd | Copyright (C) 2011-2018 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
@ -30,10 +30,8 @@ License
namespace Foam
{
defineTypeNameAndDebug(closedTriSurfaceMesh, 0);
addToRunTimeSelectionTable(searchableSurface, closedTriSurfaceMesh, dict);
defineTypeNameAndDebug(closedTriSurfaceMesh, 0);
addToRunTimeSelectionTable(searchableSurface, closedTriSurfaceMesh, dict);
}

View File

@ -316,12 +316,16 @@ public:
// indices) get the specified field. Misses do not get set.
virtual void getField(const List<pointIndexHit>&, labelList&) const;
//- Return a pair of triSurfaceScalarFields representing the
// internal and external closeness of regions of the surface
Pair<tmp<triSurfaceScalarField>> extractCloseness
(
const scalar internalAngleTolerance = 80,
const scalar externalAngleTolerance = 10
) const;
//- Return a pair of triSurfaceScalarPointFields representing the
// internal and external closeness of regions of the surface
Pair<tmp<triSurfacePointScalarField>> extractPointCloseness
(
const scalar internalAngleTolerance = 80,

View File

@ -1501,6 +1501,56 @@ void Foam::surfaceFeatures::operator=(const surfaceFeatures& rhs)
// * * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * //
void Foam::selectBox
(
const triSurface& surf,
const boundBox& bb,
const bool inside,
List<surfaceFeatures::edgeStatus>& edgeStat
)
{
forAll(edgeStat, edgei)
{
const point eMid = surf.edges()[edgei].centre(surf.localPoints());
if (!inside ? bb.contains(eMid) : !bb.contains(eMid))
{
edgeStat[edgei] = surfaceFeatures::NONE;
}
}
}
void Foam::selectCutEdges
(
const triSurface& surf,
const plane& cutPlane,
List<surfaceFeatures::edgeStatus>& edgeStat
)
{
const pointField& points = surf.points();
const labelList& meshPoints = surf.meshPoints();
forAll(edgeStat, edgei)
{
const edge& e = surf.edges()[edgei];
const point& p0 = points[meshPoints[e.start()]];
const point& p1 = points[meshPoints[e.end()]];
const linePointRef line(p0, p1);
// If edge does not intersect the plane, delete.
const scalar intersect = cutPlane.lineIntersect(line);
const point featPoint = intersect*(p1 - p0) + p0;
if (!line.insideBoundBox(featPoint))
{
edgeStat[edgei] = surfaceFeatures::NONE;
}
}
}
Foam::surfaceFeatures::edgeStatus Foam::checkNonManifoldEdge
(
const triSurface& surf,
@ -1662,4 +1712,35 @@ Foam::surfaceFeatures::edgeStatus Foam::checkNonManifoldEdge
}
void Foam::selectManifoldEdges
(
const triSurface& surf,
const scalar tol,
const scalar includedAngle,
List<surfaceFeatures::edgeStatus>& edgeStat
)
{
forAll(edgeStat, edgei)
{
const labelList& eFaces = surf.edgeFaces()[edgei];
if
(
eFaces.size() > 2
&& edgeStat[edgei] == surfaceFeatures::REGION
&& (eFaces.size() % 2) == 0
)
{
edgeStat[edgei] = checkNonManifoldEdge
(
surf,
tol,
includedAngle,
edgei
);
}
}
}
// ************************************************************************* //

View File

@ -51,6 +51,8 @@ SourceFiles
#include "pointIndexHit.H"
#include "edgeList.H"
#include "typeInfo.H"
#include "boundBox.H"
#include "plane.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
@ -419,6 +421,23 @@ public:
};
//- Select edges inside or outside bounding box
void selectBox
(
const triSurface& surf,
const boundBox& bb,
const bool removeInside,
List<surfaceFeatures::edgeStatus>& edgeStat
);
//- Select edges that are intersected by the given plane
void selectCutEdges
(
const triSurface& surf,
const plane& cutPlane,
List<surfaceFeatures::edgeStatus>& edgeStat
);
//- Divide into multiple normal bins
// - return REGION if != 2 normals
// - return REGION if 2 normals that make feature angle
@ -431,6 +450,15 @@ surfaceFeatures::edgeStatus checkNonManifoldEdge
const label edgei
);
//- Select manifold edges
void selectManifoldEdges
(
const triSurface& surf,
const scalar tol,
const scalar includedAngle,
List<surfaceFeatures::edgeStatus>& edgeStat
);
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //