/usr/include/ITK-4.5/itkQuadEdgeMeshEulerOperatorSplitVertexFunction.hxx is in libinsighttoolkit4-dev 4.5.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Copyright Insight Software Consortium
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#ifndef __itkQuadEdgeMeshEulerOperatorSplitVertexFunction_hxx
#define __itkQuadEdgeMeshEulerOperatorSplitVertexFunction_hxx
#include "itkQuadEdgeMeshEulerOperatorSplitVertexFunction.h"
namespace itk
{
template< typename TMesh, typename TQEType >
typename QuadEdgeMeshEulerOperatorSplitVertexFunction< TMesh, TQEType >::OutputType
QuadEdgeMeshEulerOperatorSplitVertexFunction< TMesh, TQEType >::Evaluate(QEType *h, QEType *g)
{
if ( !this->m_Mesh )
{
itkDebugMacro("No mesh present.");
return ( (QEType *)0 );
}
if ( ( h == (QEType *)( 0 ) ) || ( g == (QEType *)( 0 ) ) )
{
itkDebugMacro("One or more argument(s) is(are) null.");
return ( (QEType *)0 );
}
if ( h == g )
{
itkDebugMacro("The two half-edges are the same. No antenna allowed.");
return ( (QEType *)0 );
}
if ( h->GetDestination() != g->GetDestination() )
{
itkDebugMacro("The two half-edges must be incident to the same vertex.");
return ( (QEType *)0 );
}
// delete the faces
this->m_Mesh->DeleteFace( h->GetRight() );
this->m_Mesh->DeleteFace( g->GetRight() );
// splice to create a new point and disconnect the rings
this->m_NewPoint = this->m_Mesh->Splice( h->GetSym(), g->GetSym() );
// then add a new edge
QEType *ReturnedEdge = this->m_Mesh->AddEdge( g->GetDestination(),
h->GetDestination() );
// Build two new faces
this->m_Mesh->AddFace( h->GetSym() );
this->m_Mesh->AddFace( g->GetSym() );
this->m_Mesh->Modified();
return ( ReturnedEdge );
}
} // namespace itk
#endif
// eof - itkQuadEdgeMeshEulerOperatorSplitVertexFunction.hxx
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