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FEM
include
itkFEMElement2DC0LinearLine.h
Go to the documentation of this file.
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/*=========================================================================
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*
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* Copyright Insight Software Consortium
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0.txt
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*=========================================================================*/
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#ifndef __itkFEMElement2DC0LinearLine_h
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#define __itkFEMElement2DC0LinearLine_h
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#include "
itkFEMElementStd.h
"
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namespace
itk
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{
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namespace
fem
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{
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class
Element2DC0LinearLine
:
public
ElementStd
<2, 2>
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{
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public
:
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typedef
Element2DC0LinearLine
Self
;
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typedef
ElementStd<2, 2>
TemplatedParentClass
;
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typedef
TemplatedParentClass
Superclass
;
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typedef
SmartPointer<Self>
Pointer
;
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typedef
SmartPointer<const Self>
ConstPointer
;
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itkTypeMacro(
Element2DC0LinearLine
,
TemplatedParentClass
);
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// ////////////////////////////////////////////////////////////////////////
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enum
{
DefaultIntegrationOrder
= 1 };
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virtual
void
GetIntegrationPointAndWeight
(
unsigned
int
i,
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VectorType
& pt,
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Float
& w,
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unsigned
int
order)
const
;
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virtual
unsigned
int
GetNumberOfIntegrationPoints
(
unsigned
int
order)
const
;
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// ////////////////////////////////////////////////////////////////////////
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virtual
VectorType
ShapeFunctions
(
const
VectorType
& pt)
const
;
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virtual
void
ShapeFunctionDerivatives
(
const
VectorType
& pt,
MatrixType
& shapeD)
const
;
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virtual
bool
GetLocalFromGlobalCoordinates
(
const
VectorType
& globalPt,
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VectorType
& localPt)
const
;
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virtual
void
Jacobian
(
const
VectorType
& pt,
MatrixType
& J,
const
MatrixType
*pshapeD = 0)
const
;
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Float
DistanceToLine
(
const
VectorType
& x,
const
VectorType
& p1,
const
VectorType
& p2,
Float
& t,
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VectorType
& closestPoint)
const
;
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protected
:
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virtual
void
PrintSelf
(std::ostream& os,
Indent
indent)
const
;
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virtual
void
PopulateEdgeIds
(
void
);
// HACK: Should PopulateEdgeIds
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// be const or not in this
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// hierarchy. Sometimes it is,
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// sometimes it is not.
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};
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}
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}
// end namespace itk::fem
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#endif // #ifndef __itkFEMElement2DC0LinearLine_h
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