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ellipsoid.hh
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/**
* @file ellipsoid.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Mon Jan 07 16:36:30 2013
*
* @brief Ellipsoid geometry
*
* @section LICENSE
*
* Copyright INRIA and CEA
*
* The LibMultiScale is a C++ parallel framework for the multiscale
* coupling methods dedicated to material simulations. This framework
* provides an API which makes it possible to program coupled simulations
* and integration of already existing codes.
*
* This Project was initiated in a collaboration between INRIA Futurs Bordeaux
* within ScAlApplix team and CEA/DPTA Ile de France.
* The project is now continued at the Ecole Polytechnique Fédérale de Lausanne
* within the LSMS/ENAC laboratory.
*
* This software is governed by the CeCILL-C license under French law and
* abiding by the rules of distribution of free software. You can use,
* modify and/ or redistribute the software under the terms of the CeCILL-C
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty and the software's author, the holder of the
* economic rights, and the successive licensors have only limited
* liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading, using, modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean that it is complicated to manipulate, and that also
* therefore means that it is reserved for developers and experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and, more generally, to use and operate it in the
* same conditions as regards security.
*
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL-C license and that you accept its terms.
*
*/
#ifndef __LIBMULTISCALE_ELLIPSOID_HH__
#define __LIBMULTISCALE_ELLIPSOID_HH__
/* -------------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
/**
* Class Ellipsoid
*
*/
class Ellipsoid : public Geometry{
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
Ellipsoid(UInt Dim, GeomID id) : Geometry(Dim,ELLIPSOID, id){
a=1;
b=1;
c=1;
};
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
bool contains(Real my_x,Real my_y=0,Real my_z=0){
rotate(my_x,my_y,my_z);
Real x = my_x - center[0];
Real y = my_y - center[1];
Real z = my_z - center[2];
Real factor = x*x/(a*a) + y*y/(b*b) + z*z/(c*c);
DUMP(x << " " << y << " " << z << " factor=" << factor,DBG_ALL);
if (factor <= 1)
return true;
return false;
};
//! set the minor,major and z-axis values of hte ellispoid
void SetDimensions(Real dimx,Real dimy,Real dimz){
a = dimx;
b = dimy;
c = dimz;
};
//! return length axis of ellipsoid for the specified space base element
Real GetAxes(UInt i){
switch (i){
case 0: return a;
case 1: return b;
case 2: return c;
}
LM_FATAL("bad requested index in ellipsoid axe objet");
return -1;
};
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
//! minor,major and z-axis values
Real a,b,c;
};
__END_LIBMULTISCALE__
#endif /* __LIBMULTISCALE_ELLIPSOID_HH__ */

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