182 lines
6.1 KiB
C
182 lines
6.1 KiB
C
|
/*---------------------------------------------------------------------------*\
|
||
|
|
========= |
|
||
|
|
\\ / F ield | cfMesh: A library for mesh generation
|
||
|
|
\\ / O peration |
|
||
|
|
\\ / A nd | Author: Franjo Juretic (franjo.juretic@c-fields.com)
|
||
|
|
\\/ M anipulation | Copyright (C) Creative Fields, Ltd.
|
||
|
|
-------------------------------------------------------------------------------
|
||
|
|
License
|
||
|
|
This file is part of cfMesh.
|
||
|
|
|
||
|
|
cfMesh 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.
|
||
|
|
|
||
|
|
cfMesh 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 cfMesh. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
Description
|
||
|
|
Finds feature edges and corners of a triangulated surface
|
||
|
|
|
||
|
|
\*---------------------------------------------------------------------------*/
|
||
|
|
|
||
|
|
#include "argList.H"
|
||
|
|
#include "IFstream.H"
|
||
|
|
#include "fileName.H"
|
||
|
|
#include "triSurface.H"
|
||
|
|
#include "boundBox.H"
|
||
|
|
#include "OFstream.H"
|
||
|
|
#include <cstdlib>
|
||
|
|
#include <sstream>
|
||
|
|
|
||
|
|
#include "triSurfaceDetectFeatureEdges.H"
|
||
|
|
|
||
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
||
|
|
// Main program:
|
||
|
|
using namespace Foam;
|
||
|
|
|
||
|
|
int main(int argc, char *argv[])
|
||
|
|
{
|
||
|
|
argList::noParallel();
|
||
|
|
argList::validArgs.clear();
|
||
|
|
argList::validArgs.append("input surface file");
|
||
|
|
argList::validArgs.append("output surface file");
|
||
|
|
argList::validArgs.append("x-neg");
|
||
|
|
argList::validArgs.append("x-pos");
|
||
|
|
argList::validArgs.append("y-neg");
|
||
|
|
argList::validArgs.append("y-pos");
|
||
|
|
argList::validArgs.append("z-neg");
|
||
|
|
argList::validArgs.append("z-pos");
|
||
|
|
|
||
|
|
argList args(argc, argv);
|
||
|
|
|
||
|
|
fileName inFileName(args.args()[1]);
|
||
|
|
fileName outFileName(args.args()[2]);
|
||
|
|
|
||
|
|
if (outFileName == inFileName)
|
||
|
|
{
|
||
|
|
FatalErrorIn(args.executable())
|
||
|
|
<< "Output file " << outFileName
|
||
|
|
<< " would overwrite the input file."
|
||
|
|
<< exit(FatalError);
|
||
|
|
}
|
||
|
|
|
||
|
|
triSurface origSurface(inFileName);
|
||
|
|
const pointField& points = origSurface.points();
|
||
|
|
|
||
|
|
const boundBox bb(points);
|
||
|
|
|
||
|
|
vector negOffset, posOffset;
|
||
|
|
for(label i=3;i<9;++i)
|
||
|
|
{
|
||
|
|
std::stringstream ss;
|
||
|
|
ss << args.args()[i];
|
||
|
|
|
||
|
|
scalar s;
|
||
|
|
ss >> s;
|
||
|
|
|
||
|
|
if( i % 2 )
|
||
|
|
{
|
||
|
|
negOffset[(i-3)/2] = s;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
posOffset[(i-3)/2] = s;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Info << "Neg offset " << negOffset << endl;
|
||
|
|
Info << "Pos offset " << posOffset << endl;
|
||
|
|
|
||
|
|
const boundBox newBB(bb.min()-negOffset, bb.max()+posOffset);
|
||
|
|
Info << "Surface bounding box " << bb << endl;
|
||
|
|
Info << "Generated bounding box " << newBB << endl;
|
||
|
|
|
||
|
|
//- generate bounding box points
|
||
|
|
const label nPoints = points.size();
|
||
|
|
pointField newPoints(nPoints+8);
|
||
|
|
forAll(points, pointI)
|
||
|
|
newPoints[pointI] = points[pointI];
|
||
|
|
|
||
|
|
newPoints[nPoints] = newBB.min();
|
||
|
|
newPoints[nPoints+1] =
|
||
|
|
point(newBB.max().x(), newBB.min().y(), newBB.min().z());
|
||
|
|
newPoints[nPoints+2] =
|
||
|
|
point(newBB.min().x(), newBB.max().y(), newBB.min().z());
|
||
|
|
newPoints[nPoints+3] =
|
||
|
|
point(newBB.max().x(), newBB.max().y(), newBB.min().z());
|
||
|
|
newPoints[nPoints+4] =
|
||
|
|
point(newBB.min().x(), newBB.min().y(), newBB.max().z());
|
||
|
|
newPoints[nPoints+5] =
|
||
|
|
point(newBB.max().x(), newBB.min().y(), newBB.max().z());
|
||
|
|
newPoints[nPoints+6] =
|
||
|
|
point(newBB.min().x(), newBB.max().y(), newBB.max().z());
|
||
|
|
newPoints[nPoints+7] = newBB.max();
|
||
|
|
|
||
|
|
//- generate bounding bound triangles
|
||
|
|
const label nTriangles = origSurface.size();
|
||
|
|
List<labelledTri> newTriangles(nTriangles+12);
|
||
|
|
forAll(origSurface, triI)
|
||
|
|
newTriangles[triI] = origSurface[triI];
|
||
|
|
|
||
|
|
//- create patches
|
||
|
|
const label nPatches = origSurface.patches().size();
|
||
|
|
geometricSurfacePatchList newPatches(nPatches+6);
|
||
|
|
forAll(origSurface.patches(), patchI)
|
||
|
|
newPatches[patchI] = origSurface.patches()[patchI];
|
||
|
|
newPatches[nPatches].name() = "xMin";
|
||
|
|
newPatches[nPatches+1].name() = "xMax";
|
||
|
|
newPatches[nPatches+2].name() = "yMin";
|
||
|
|
newPatches[nPatches+3].name() = "yMax";
|
||
|
|
newPatches[nPatches+4].name() = "zMin";
|
||
|
|
newPatches[nPatches+5].name() = "zMax";
|
||
|
|
|
||
|
|
//- negative x direction
|
||
|
|
newTriangles[nTriangles] =
|
||
|
|
labelledTri(nPoints, nPoints+6, nPoints+2, nPatches);
|
||
|
|
newTriangles[nTriangles+1] =
|
||
|
|
labelledTri(nPoints, nPoints+4, nPoints+6, nPatches);
|
||
|
|
//- positive x direction
|
||
|
|
newTriangles[nTriangles+2] =
|
||
|
|
labelledTri(nPoints+1, nPoints+3, nPoints+7, nPatches+1);
|
||
|
|
newTriangles[nTriangles+3] =
|
||
|
|
labelledTri(nPoints+1, nPoints+7, nPoints+5, nPatches+1);
|
||
|
|
//- negative y direction
|
||
|
|
newTriangles[nTriangles+4] =
|
||
|
|
labelledTri(nPoints, nPoints+1, nPoints+5, nPatches+2);
|
||
|
|
newTriangles[nTriangles+5] =
|
||
|
|
labelledTri(nPoints, nPoints+5, nPoints+4, nPatches+2);
|
||
|
|
//- positive y direction
|
||
|
|
newTriangles[nTriangles+6] =
|
||
|
|
labelledTri(nPoints+2, nPoints+7, nPoints+3, nPatches+3);
|
||
|
|
newTriangles[nTriangles+7] =
|
||
|
|
labelledTri(nPoints+2, nPoints+6, nPoints+7, nPatches+3);
|
||
|
|
//- negative z direction
|
||
|
|
newTriangles[nTriangles+8] =
|
||
|
|
labelledTri(nPoints, nPoints+2, nPoints+3, nPatches+4);
|
||
|
|
newTriangles[nTriangles+9] =
|
||
|
|
labelledTri(nPoints, nPoints+3, nPoints+1, nPatches+4);
|
||
|
|
//- positive z direction
|
||
|
|
newTriangles[nTriangles+10] =
|
||
|
|
labelledTri(nPoints+4, nPoints+7, nPoints+6, nPatches+5);
|
||
|
|
newTriangles[nTriangles+11] =
|
||
|
|
labelledTri(nPoints+4, nPoints+5, nPoints+7, nPatches+5);
|
||
|
|
|
||
|
|
//- write the surface
|
||
|
|
triSurface newSurface(newTriangles, newPatches, newPoints);
|
||
|
|
newSurface.write(outFileName);
|
||
|
|
|
||
|
|
Info << "End\n" << endl;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// ************************************************************************* //
|