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aka_plane.hh
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Created
Tue, Aug 27, 15:59
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text/x-c++
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Thu, Aug 29, 15:59 (1 d, 23 h)
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rAKA akantu
aka_plane.hh
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/**
* @file aka_plane.hh
*
* @author Alejandro M. Aragón <alejandro.aragon@epfl.ch>
*
* @date creation: Fri Jan 04 2013
* @date last modification: Tue Jun 17 2014
*
* @brief Geometry class representing planes
*
* @section LICENSE
*
* Copyright (©) 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu 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 3 of the License, or (at your option) any
* later version.
*
* Akantu 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
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_AKA_PLANE_HH__
#define __AKANTU_AKA_PLANE_HH__
#include "aka_point.hh"
__BEGIN_AKANTU__
//! Plane class
struct
Plane
{
typedef
Point
<
3
>
point_type
;
typedef
point_type
::
value_type
value_type
;
//! Parameter constructor creates a plane out of 3 points
Plane
(
const
point_type
&
a
,
const
point_type
&
b
,
const
point_type
&
c
)
{
n_
=
cross
(
b
-
a
,
c
-
a
).
normalize
();
d_
=
n_
*
a
;
}
//! Return the plane normal
const
point_type
&
normal
()
const
{
return
n_
;
}
//! Return the disctance to the origin
value_type
distance
()
const
{
return
d_
;
}
//! Standard output stream operator
friend
std
::
ostream
&
operator
<<
(
std
::
ostream
&
os
,
const
Plane
&
pi
)
{
os
<<
"Plane[normal: "
<<
pi
.
normal
()
<<
", origin distance: "
<<
pi
.
distance
()
<<
"]"
<<
std
::
endl
;
return
os
;
}
private
:
point_type
n_
;
//!< Plane unit normal
value_type
d_
;
//!< Distance from the plane to the origin
};
__END_AKANTU__
#endif
/* __AKANTU_AKA_PLANE_HH__ */
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