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/* This file is part of the OpenLB library
*
* Copyright (C) 2014-2016 Cyril Masquelier, Albert Mink, Mathias J. Krause, Benjamin Förster
* E-mail contact: info@openlb.net
* The most recent release of OpenLB can be downloaded at
* <http://www.openlb.net/>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef INDICATOR_BASE_F_3D_H
#define INDICATOR_BASE_F_3D_H
#include <vector>
#include "core/vector.h"
#include "functors/genericF.h"
namespace olb {
/** IndicatorF3D is an application from \f$ \Omega \subset R^3 \to \{0,1\} \f$.
* \param _myMin holds minimal(component wise) vector of the domain \f$ \Omega \f$.
* \param _myMax holds maximal(component wise) vector of the domain \f$ \Omega \f$.
*/
template <typename S>
class IndicatorF3D : public GenericF<bool,S> {
protected:
IndicatorF3D();
Vector<S,3> _myMin;
Vector<S,3> _myMax;
public:
virtual Vector<S,3>& getMin();
virtual Vector<S,3>& getMax();
/** \returns false or true and pos. distance if there was one found for a given origin and direction.
* Mind that the default computation is done by a numerical approximation which searches .. [TODO: CYRIL]
*/
virtual bool distance(S& distance, const Vector<S,3>& origin, const Vector<S,3>& direction, int iC=-1);
virtual bool distance(S& distance, const Vector<S,3>& origin);
/// returns true and the normal if there was one found for an given origin and direction
/**
* (mind that the default computation is done by a numerical approximation which searches .. [TODO])
*/
virtual bool normal(Vector<S,3>& normal, const Vector<S,3>& origin, const Vector<S,3>& direction, int iC=-1);
///Rotate vector around axis by angle theta
virtual bool rotOnAxis(Vector<S,3>& vec_rot, const Vector<S,3>& vec, const Vector<S,3>& axis, S& theta);
/// Returns true if `point` is inside a cube with corners `_myMin` and `_myMax`
bool isInsideBox(Vector<S,3> point);
};
template <typename S>
class IndicatorIdentity3D : public IndicatorF3D<S> {
public:
std::shared_ptr<IndicatorF3D<S>> _f;
IndicatorIdentity3D(std::shared_ptr<IndicatorF3D<S>> f);
bool operator() (bool output[1], const S input[3]) override;
};
}
#endif
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