1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
|
/*=========================================================================
*
* 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 itkEllipsoidInteriorExteriorSpatialFunction_h
#define itkEllipsoidInteriorExteriorSpatialFunction_h
#include "itkInteriorExteriorSpatialFunction.h"
#include "vnl/vnl_matrix_fixed.h"
namespace itk
{
/**
* \class EllipsoidInteriorExteriorSpatialFunction
* \brief Function implementation of an ellipsoid
*
* Implements a function that returns 1 for points inside or on the
* surface of a ellipsoid and 0 for points outside the ellipsoid. The
* orientation of the n-dimensional ellipsoid axes are defined by n
* orthogonal vectors. See
* Examples/EllipsoidInteriorExteriorSpatialFunction/README for an
* example of creating an Ellipsoid in an image.
* \ingroup ITKCommon
*/
template< unsigned int VDimension = 3,
typename TInput = Point< double, VDimension > >
class ITK_TEMPLATE_EXPORT EllipsoidInteriorExteriorSpatialFunction:
public InteriorExteriorSpatialFunction< VDimension, TInput >
{
public:
/** Standard class typedefs. */
typedef EllipsoidInteriorExteriorSpatialFunction Self;
typedef InteriorExteriorSpatialFunction< VDimension, TInput > Superclass;
typedef SmartPointer< Self > Pointer;
typedef SmartPointer< const Self > ConstPointer;
/** Run-time type information (and related methods). */
itkTypeMacro(EllipsoidInteriorExteriorSpatialFunction, InteriorExteriorSpatialFunction);
/** Method for creation through the object factory. */
itkNewMacro(Self);
/** Input type for the function */
typedef typename Superclass::InputType InputType;
/** Output type for the function */
typedef typename Superclass::OutputType OutputType;
/** Typedef for the orientation matrix */
typedef vnl_matrix_fixed< double, VDimension, VDimension > OrientationType;
/** Set/Get and set the center of the ellipsoid. */
itkGetConstMacro(Center, InputType);
itkSetMacro(Center, InputType);
/** Get and set the axes lengths of the ellipsoid. */
itkGetConstMacro(Axes, InputType);
itkSetMacro(Axes, InputType);
/** Set the orientation vectors (must be orthogonal) of the ellipsoid axes.
* Must be normalized!!!!! */
void SetOrientations(const OrientationType &);
/** Evaluates the function at a given position. */
OutputType Evaluate(const InputType & position) const ITK_OVERRIDE;
protected:
EllipsoidInteriorExteriorSpatialFunction();
virtual ~EllipsoidInteriorExteriorSpatialFunction() ITK_OVERRIDE;
void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;
private:
ITK_DISALLOW_COPY_AND_ASSIGN(EllipsoidInteriorExteriorSpatialFunction);
/** The center of the ellipsoid. */
InputType m_Center;
/** The axes lenths of the ellipsoid. */
InputType m_Axes;
/** The orientation vectors (must be orthogonal) of the ellipsoid axes. */
double **m_Orientations;
};
} // end namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkEllipsoidInteriorExteriorSpatialFunction.hxx"
#endif
#endif
|
