FreeCAD / src /Mod /ReverseEngineering /App /SurfaceTriangulation.h
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// SPDX-License-Identifier: LGPL-2.1-or-later
/***************************************************************************
* Copyright (c) 2012 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This 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 Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef REEN_SURFACETRIANGULATION_H
#define REEN_SURFACETRIANGULATION_H
#include <vector>
#include <Base/Vector3D.h>
namespace Points
{
class PointKernel;
}
namespace Mesh
{
class MeshObject;
}
namespace pcl
{
struct PolygonMesh;
}
namespace Reen
{
class MeshConversion
{
public:
static void convert(const pcl::PolygonMesh&, Mesh::MeshObject&);
};
class SurfaceTriangulation
{
public:
SurfaceTriangulation(const Points::PointKernel&, Mesh::MeshObject&);
/** \brief Set the number of k nearest neighbors to use for the normal estimation.
* \param[in] k the number of k-nearest neighbors
*/
void perform(int ksearch);
/** \brief Pass the normals to the points given in the constructor.
* \param[in] normals the normals to the given points.
*/
void perform(const std::vector<Base::Vector3f>& normals);
/** \brief Set the multiplier of the nearest neighbor distance to obtain the final search radius
* for each point (this will make the algorithm adapt to different point densities in the
* cloud). \param[in] mu the multiplier
*/
inline void setMu(double mu)
{
this->mu = mu;
}
/** \brief Set the sphere radius that is to be used for determining the k-nearest neighbors used
* for triangulating. \param[in] radius the sphere radius that is to contain all k-nearest
* neighbors \note This distance limits the maximum edge length!
*/
inline void setSearchRadius(double radius)
{
this->searchRadius = radius;
}
private:
const Points::PointKernel& myPoints;
Mesh::MeshObject& myMesh;
double mu;
double searchRadius;
};
class PoissonReconstruction
{
public:
PoissonReconstruction(const Points::PointKernel&, Mesh::MeshObject&);
/** \brief Set the number of k nearest neighbors to use for the normal estimation.
* \param[in] k the number of k-nearest neighbors
*/
void perform(int ksearch = 5);
/** \brief Pass the normals to the points given in the constructor.
* \param[in] normals the normals to the given points.
*/
void perform(const std::vector<Base::Vector3f>& normals);
/** \brief Set the maximum depth of the tree that will be used for surface reconstruction.
* \note Running at depth d corresponds to solving on a voxel grid whose resolution is no larger
* than 2^d x 2^d x 2^d. Note that since the reconstructor adapts the octree to the sampling
* density, the specified reconstruction depth is only an upper bound. \param[in] depth the
* depth parameter
*/
inline void setDepth(int depth)
{
this->depth = depth;
}
/** \brief Set the depth at which a block Gauss-Seidel solver is used to solve the Laplacian
* equation \note Using this parameter helps reduce the memory overhead at the cost of a small
* increase in reconstruction time. (In practice, we have found that for reconstructions of
* depth 9 or higher a subdivide depth of 7 or 8 can greatly reduce the memory usage.)
* \param[in] solver_divide the given parameter value
*/
inline void setSolverDivide(int solverDivide)
{
this->solverDivide = solverDivide;
}
/** \brief Set the minimum number of sample points that should fall within an octree node as the
* octree construction is adapted to sampling density \note For noise-free samples, small values
* in the range [1.0 - 5.0] can be used. For more noisy samples, larger values in the range
* [15.0 - 20.0] may be needed to provide a smoother, noise-reduced, reconstruction. \param[in]
* samples_per_node the given parameter value
*/
inline void setSamplesPerNode(float samplesPerNode)
{
this->samplesPerNode = samplesPerNode;
}
private:
const Points::PointKernel& myPoints;
Mesh::MeshObject& myMesh;
int depth;
int solverDivide;
float samplesPerNode;
};
class GridReconstruction
{
public:
GridReconstruction(const Points::PointKernel&, Mesh::MeshObject&);
/** \brief Set the number of k nearest neighbors to use for the normal estimation.
* \param[in] k the number of k-nearest neighbors
*/
void perform(int ksearch = 5);
/** \brief Pass the normals to the points given in the constructor.
* \param[in] normals the normals to the given points.
*/
void perform(const std::vector<Base::Vector3f>& normals);
private:
const Points::PointKernel& myPoints;
Mesh::MeshObject& myMesh;
};
class ImageTriangulation
{
public:
ImageTriangulation(int width, int height, const Points::PointKernel&, Mesh::MeshObject&);
void perform();
private:
int width, height;
const Points::PointKernel& myPoints;
Mesh::MeshObject& myMesh;
};
class MarchingCubesRBF
{
public:
MarchingCubesRBF(const Points::PointKernel&, Mesh::MeshObject&);
/** \brief Set the number of k nearest neighbors to use for the normal estimation.
* \param[in] k the number of k-nearest neighbors
*/
void perform(int ksearch = 5);
/** \brief Pass the normals to the points given in the constructor.
* \param[in] normals the normals to the given points.
*/
void perform(const std::vector<Base::Vector3f>& normals);
private:
const Points::PointKernel& myPoints;
Mesh::MeshObject& myMesh;
};
class MarchingCubesHoppe
{
public:
MarchingCubesHoppe(const Points::PointKernel&, Mesh::MeshObject&);
/** \brief Set the number of k nearest neighbors to use for the normal estimation.
* \param[in] k the number of k-nearest neighbors
*/
void perform(int ksearch = 5);
/** \brief Pass the normals to the points given in the constructor.
* \param[in] normals the normals to the given points.
*/
void perform(const std::vector<Base::Vector3f>& normals);
private:
const Points::PointKernel& myPoints;
Mesh::MeshObject& myMesh;
};
} // namespace Reen
#endif // REEN_SURFACETRIANGULATION_H