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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 itkFEMLoadNode_h
#define itkFEMLoadNode_h
#include "itkFEMLoadBase.h"
#include "ITKFEMExport.h"
#include "vnl/vnl_vector.h"
namespace itk
{
namespace fem
{
/**
* \class LoadNode
* \brief This load is applied on a specific point within the system.
*
* The point is defined as a point within an element object.
*
* You must provide a pointer to an element object and a number
* of point on which on which the load acts. Force vector F should have
* element->GetNumberOfDegreesOfFreedomPerNode() dimensions.
* \ingroup ITKFEM
*/
class ITKFEM_EXPORT LoadNode : public Load
{
public:
/** Standard class typedefs. */
typedef LoadNode Self;
typedef Load Superclass;
typedef SmartPointer<Self> Pointer;
typedef SmartPointer<const Self> ConstPointer;
/** New macro for creation of through the object factory. */
itkSimpleNewMacro(Self);
/** Run-time type information (and related methods). */
itkTypeMacro(LoadNode, Load);
typedef Element::Node::Float Float;
/**
* Set the force acting at the node
*/
void SetForce(const vnl_vector<Float> force);
/**
* Get the force acting at the node
*/
vnl_vector<Float> GetForce() const;
/**
* Set the node number on which the load is being applied.
*/
void SetNode(int num);
/**
* Get the node number on which the load is being applied.
*/
int GetNode() const;
LoadNode():
m_Point(0)
{
} // default constructor
LoadNode(Element::ConstPointer element_, unsigned int pt_, vnl_vector<Float> F_) :
m_Point(pt_), m_Force(F_)
{
this->m_Element = element_;
}
/** CreateAnother method will clone the existing instance of this type,
* including its internal member variables. */
virtual::itk::LightObject::Pointer CreateAnother(void) const ITK_OVERRIDE;
protected:
virtual void PrintSelf(std::ostream& os, Indent indent) const ITK_OVERRIDE;
/**
* Point within the element on which the force acts.
*/
unsigned int m_Point;
/**
* Force applied on the node. Dimension of F should equal
* element->GetNumberOfDegreesOfFreedomPerNode().
*/
vnl_vector<Float> m_Force;
};
}
} // end namespace itk::fem
#endif // #ifndef itkFEMLoadDOF_h
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