triSurfaceDetectFeatureEdges.C

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  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
 
\*---------------------------------------------------------------------------*/
 
#include "triSurfaceDetectFeatureEdges.H"
#include "helperFunctions.H"
#include "demandDrivenData.H"
#include "triSurfModifier.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
triSurfaceDetectFeatureEdges::triSurfaceDetectFeatureEdges
(
    triSurf& surface,
    const scalar angleDeviation
)
:
    surf_(surface),
    featureEdges_(surf_.edges().size(), direction(0)),
    angleTolerance_(angleDeviation)
{
    if( Pstream::parRun() )
        FatalError << "Feature edges detection does not run in parallel"
            << exit(FatalError);
 
    detectFeatureEdgesAngleCriterion();
}
 
triSurfaceDetectFeatureEdges::~triSurfaceDetectFeatureEdges()
{}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
void triSurfaceDetectFeatureEdges::detectFeatureEdges()
{
    const edgeLongList& edges = surf_.edges();
    triSurfModifier surfMod(surf_);
    edgeLongList& featureEdges = surfMod.featureEdgesAccess();
    featureEdges.clear();
 
    forAll(featureEdges_, eI)
    {
        if( featureEdges_[eI] )
            featureEdges.append(edges[eI]);
    }
}
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// ************************************************************************* //