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126 lines
4.6 KiB
126 lines
4.6 KiB
/*===========================================================================*\
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* *
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* IsoEx *
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* Copyright (C) 2002 by Computer Graphics Group, RWTH Aachen *
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* www.rwth-graphics.de *
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* *
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*---------------------------------------------------------------------------*
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* *
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* License *
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* *
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* This library is free software; you can redistribute it and/or modify it *
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* under the terms of the GNU Library General Public License as published *
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* by the Free Software Foundation, version 2. *
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* *
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* This library is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; if not, write to the Free Software *
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
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* *
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\*===========================================================================*/
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//=============================================================================
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//
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// CLASS ImplicitSphere
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//
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//=============================================================================
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#ifndef ISOEX_IMPLICITSPHERE_HH
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#define ISOEX_IMPLICITSINTERFACE_HH
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//== INCLUDES =================================================================
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#include "Implicit.hh"
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#include <IsoEx/Config/IsoExDefines.hh>
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#include <IsoSurfGen/ImplicitFunc.h>
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//== NAMESPACES ===============================================================
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namespace IsoEx {
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//== CLASS DEFINITION =========================================================
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template< class Vec3 >
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class ISOEXDLLEXPORT ImplicitInterface : public Implicit<Vec3>
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{
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public:
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typedef typename Vec3::value_type real;
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/// \name Constructor & destructor
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//@{
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ImplicitInterface(ImplicitFunc<real>* func = 0)
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: m_func(func)
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{}
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/// Empty destructor
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~ImplicitInterface() {}
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//@}
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/// \name Abstract interface of implicit objects, see also IsoEx::Implicit.
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//@{
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bool is_inside(const Vec3& _point, const real _isovalue) const
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{
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return m_func->is_inside(TinyVector<real, 3>(_point[0], _point[1], _point[2]), _isovalue);
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}
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real scalar_distance(const Vec3& _point) const
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{
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return m_func->scalar_value(TinyVector<real, 3>(_point[0], _point[1], _point[2]));
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}
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bool directed_distance(const Vec3& _p0,
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const Vec3& _p1,
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Vec3& _point,
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Vec3& _normal,
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real& _distance,
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const real _isovalue = 0) const
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{
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TinyVector<real, 3> p, n;
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if (m_func->directed_distance(
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TinyVector<real, 3>(_p0[0], _p0[1], _p0[2]),
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TinyVector<real, 3>(_p1[0], _p1[1], _p1[2]),
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p, n, _distance, _isovalue)
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)
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{
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_point[0] = p[0], _point[1] = p[1], _point[2] = p[2];
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_normal[0] = n[0], _normal[1] = n[1], _normal[2] = n[2];
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return true;
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}
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return false;
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}
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void directed_distance(
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const std::vector<TinyVector<real, 3>>& _p0vec,
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const std::vector<TinyVector<real, 3>>& _p1vec,
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const std::vector<real>& _p0vec_values,
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const std::vector<real>& _p1vec_values,
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std::vector<TinyVector<real, 3>>& _point,
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std::vector<TinyVector<real, 3>>& _normal,
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const real _isovalue = 0) const
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{
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m_func->directed_distance(_p0vec, _p1vec, _p0vec_values, _p1vec_values, _point, _normal, _isovalue);
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}
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void scalar_value(
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const std::vector<TinyVector<real, 3>>& pvec,
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std::vector<real>& vec_values) const
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{
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m_func->scalar_value(pvec, vec_values);
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}
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//@}
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private:
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ImplicitFunc<real>* m_func;
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};
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//=============================================================================
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} // namespace IsoEx
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//=============================================================================
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#endif
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//=============================================================================
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