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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126 | /* *****************************************************************
MESQUITE -- The Mesh Quality Improvement Toolkit
Copyright 2007 Sandia National Laboratories. Developed at the
University of Wisconsin--Madison under SNL contract number
624796. The U.S. Government and the University of Wisconsin
retain certain rights to this software.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
(lgpl.txt) along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
(2010) [email protected]
***************************************************************** */
/** \file ConicDomain.hpp
* \brief
* \author Jason Kraftcheck
*/
#ifndef MSQ_CONIC_DOMAIN_HPP
#define MSQ_CONIC_DOMAIN_HPP
#include "Mesquite.hpp"
#include "MeshInterface.hpp"
#include "Vector3D.hpp"
namespace MBMesquite
{
/*! \class ConicDomain
Define the geometry of an unbounded cone with circular cross-section.
*/
class MESQUITE_EXPORT ConicDomain : public MBMesquite::MeshDomain
{
public:
/**
*\param radius_at_point The radius of the cone at axis_point
*\param height_to_apex The distance in the direction of
* axis_direction from axis_point to the apex
*\param axis_direction Vector defining the direction of the axis
*\param axis_point A point through which the axis passes.
*\NOTE Cone is not bounded at apex. It extends infinitely in both
* directions.
*/
inline ConicDomain( double radius_at_point,
double height_to_apex,
Vector3D axis_direction = Vector3D( 0, 0, 1 ),<--- Function parameter 'axis_direction' should be passed by const reference. [+]Parameter 'axis_direction' is passed by value. It could be passed as a const reference which is usually faster and recommended in C++.
Vector3D axis_point = Vector3D( 0, 0, 0 ),<--- Function parameter 'axis_point' should be passed by const reference. [+]Parameter 'axis_point' is passed by value. It could be passed as a const reference which is usually faster and recommended in C++.
bool outward_normal = true )
: mAxis( axis_direction / axis_direction.length() ), mPoint( axis_point ), mRadius( radius_at_point ),
mHeight( height_to_apex ), outwardSign( outward_normal ? 1.0 : -1.0 )
{
}
inline ConicDomain() {}
virtual ~ConicDomain();
virtual void snap_to( Mesh::VertexHandle entity_handle, Vector3D& coordinate ) const;
virtual void vertex_normal_at( Mesh::VertexHandle entity_handle, Vector3D& coordinate ) const;
virtual void element_normal_at( Mesh::ElementHandle entity_handle, Vector3D& coordinate ) const;
virtual void vertex_normal_at( const Mesh::VertexHandle* handle,
Vector3D coords[],
unsigned count,
MsqError& err ) const;
virtual void closest_point( Mesh::VertexHandle handle,
const Vector3D& position,
Vector3D& closest,
Vector3D& normal,
MsqError& err ) const;
virtual void domain_DoF( const Mesh::VertexHandle* handle_array,
unsigned short* dof_array,
size_t count,
MsqError& err ) const;
const Vector3D& axis() const
{
return mAxis;
}
const Vector3D& point() const
{
return mPoint;
}
double point_radius() const
{
return mRadius;
}
double height_from_point() const
{
return mHeight;
}
protected:
virtual void evaluate( Mesh::VertexHandle handle,
const Vector3D& point,
Vector3D& closest,
Vector3D& normal ) const;
private:
Vector3D mAxis; //!< Direction of central axis of cone. Unit vector.
Vector3D mPoint; //!< A point on the axis of the cone.
double mRadius; //!< Radius at mPoint
double mHeight; //!< Distance from mPoint to apex, in direction of mAxis
double outwardSign; //!< 1.0 if normal points away from axis, -1.0 otherwise
};
} // namespace MBMesquite
#endif
|