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/* This file is part of the Palabos library.
 *
 * Copyright (C) 2011-2015 FlowKit Sarl
 * Route d'Oron 2
 * 1010 Lausanne, Switzerland
 * E-mail contact: contact@flowkit.com
 *
 * The most recent release of Palabos can be downloaded at 
 * <http://www.palabos.org/>
 *
 * The library Palabos is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * The 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef VISUAL_PARTICLE_WRAPPER_3D_H
#define VISUAL_PARTICLE_WRAPPER_3D_H

#include "core/globalDefs.h"
#include "core/array.h"
#include "core/geometry3D.h"
#include "particles/visualParticleFunctional3D.h"
#include "offLattice/offLatticeBoundaryCondition3D.h"
#include "multiBlock/multiBlockLattice3D.h"

#include <memory>

namespace plb {

/// Create particles that contain the surface force.
/** Remember: a mesh is a non-parallel object, whereas particles are parallel
 *  objects. This function does not have parallel efficiency, because every
 *  processor needs to loop over the full mesh in order to create the parallel
 *  particles. If you already have the particles, use the version of
 *  computeSurfaceForce() that takes them as an argument, and you will get
 *  parallel efficiency.
 **/
template<typename T, template<typename U> class Descriptor>
std::auto_ptr<MultiParticleField3D<DenseParticleField3D<T,Descriptor> > >
    computeSurfaceForce (
            TriangleBoundary3D<T>& boundary,
            VoxelizedDomain3D<T>& voxelizedDomain,
            MultiBlockLattice3D<T,Descriptor>& lattice, Box3D domain,
            bool incompressibleModel, bool dynamicMesh=false );

/// Create particles that contain the surface force.
/** This version acts on the full domain of the lattice.  **/
template<typename T, template<typename U> class Descriptor>
std::auto_ptr<MultiParticleField3D<DenseParticleField3D<T,Descriptor> > >
    computeSurfaceForce (
            TriangleBoundary3D<T>& boundary,
            VoxelizedDomain3D<T>& voxelizedDomain,
            MultiBlockLattice3D<T,Descriptor>& lattice,
            bool incompressibleModel, bool dynamicMesh=false );

template<typename T, template<typename U> class Descriptor>
/// Create particles that contain the surface force.
/** This version supposes that you already possess a parallel representation
 *  of the wall in the form of particles. It's faster than the previous
 *  version of computeSurfaceForce().
 **/
std::auto_ptr<MultiParticleField3D<DenseParticleField3D<T,Descriptor> > >
    computeSurfaceForce (
            TriangleBoundary3D<T>& boundary,
            MultiParticleField3D<DenseParticleField3D<T,Descriptor> >& parallelWall,
            VoxelizedDomain3D<T>& voxelizedDomain,
            MultiBlockLattice3D<T,Descriptor>& lattice,
            bool incompressibleModel, bool dynamicMesh=false );

/// Requirement: particles must be of type point-particle.
template<typename T, template<typename U> class Descriptor>
std::auto_ptr<MultiParticleField3D<DenseParticleField3D<T,Descriptor> > >
    getParticlePosAndVelocity (
            MultiParticleField3D<DenseParticleField3D<T,Descriptor> >& originalParticles );

template<typename T, template<typename U> class Descriptor>
void injectVisualScalarFieldParticles (
        MultiScalarField3D<T>& scalarField,
        MultiParticleField3D<DenseParticleField3D<T,Descriptor> >& particleField,
        Box3D domain, Particle3D<T,Descriptor>* particleTemplate,
        T mostUnlikely, T mostLikely, T probability = 1., plint numShotsPerCell = 1 );

template<typename T, template<typename U> class Descriptor>
std::auto_ptr<MultiParticleField3D<DenseParticleField3D<T,Descriptor> > >
    injectVisualScalarFieldParticles (
        MultiScalarField3D<T>& scalarField,
        Box3D domain, Particle3D<T,Descriptor>* particleTemplate,
        T mostUnlikely, T mostLikely, T probability = 1., plint numShotsPerCell = 1 );

template<typename T, template<typename U> class Descriptor, class ParticleFieldT>
void scalarFieldToParticles(MultiScalarField3D<T>& scalar, MultiParticleField3D<ParticleFieldT>& particleField, Box3D domain);

template<typename T, template<typename U> class Descriptor>
std::auto_ptr<MultiParticleField3D<DenseParticleField3D<T,Descriptor> > >
    scalarFieldToSurface(TriangularSurfaceMesh<T>& mesh, MultiScalarField3D<T>& scalar, Box3D domain);

}  // namespace plb

#endif  // VISUAL_PARTICLE_WRAPPER_3D_H