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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkFEMElement3DC0LinearHexahedron.h,v $
Language: C++
Date: $Date: 2009-01-29 20:09:11 $
Version: $Revision: 1.12 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef __itkFEMElement3DC0LinearHexahedron_h
#define __itkFEMElement3DC0LinearHexahedron_h
#include "itkFEMElementStd.h"
namespace itk {
namespace fem {
/**
* \class Element3DC0LinearHexahedron
* \brief 8-noded, linear, C0 continuous finite element in 3D space.
*/
class Element3DC0LinearHexahedron : public ElementStd<8,3>
{
typedef ElementStd<8,3> TemplatedParentClass;
FEM_ABSTRACT_CLASS( Element3DC0LinearHexahedron, TemplatedParentClass )
public:
//////////////////////////////////////////////////////////////////////////
/**
* Methods related to numeric integration
*/
virtual void GetIntegrationPointAndWeight(unsigned int i, VectorType& pt, Float& w, unsigned int order) const;
virtual unsigned int GetNumberOfIntegrationPoints(unsigned int order) const;
//////////////////////////////////////////////////////////////////////////
/**
* Methods related to the geometry of an element
*/
virtual VectorType ShapeFunctions( const VectorType& pt ) const;
virtual void ShapeFunctionDerivatives( const VectorType& pt, MatrixType& shapeD ) const;
virtual bool GetLocalFromGlobalCoordinates( const VectorType& globalPt , VectorType& localPt) const;
/**
* Draw the element on the specified device context
*/
#ifdef FEM_BUILD_VISUALIZATION
void Draw(CDC* pDC, Solution::ConstPointer sol) const;
#endif
};
}} // end namespace itk::fem
#endif // #ifndef __itkFEMElement3DC0LinearHexahedron_h
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