Enhanced operator(). Made the type of the coordinate index iterator a template parameter

Patch exceptionally accepted in master on a file not used by CGAL.
Approved by the interim release manager.
This commit is contained in:
Efi Fogel 2014-09-27 22:31:40 +03:00 committed by Sébastien Loriot
parent aabd9dc557
commit 16151c46ff
1 changed files with 116 additions and 120 deletions

View File

@ -12,9 +12,6 @@
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// $URL$
// $Id$
//
// Author(s): Efi Fogel <efif@post.tau.ac.il>
// Naama mayer <naamamay@post.tau.ac.il>
@ -68,14 +65,11 @@ private:
typedef typename PolyhedralSgm::Geometry_traits_2 Geometry_traits_2;
typedef typename Geometry_traits_2::Point_2 Point_2;
typedef typename Geometry_traits_2::X_monotone_curve_2 X_monotone_curve_2;
typedef typename Geometry_traits_2::Curve_2 Curve_2;
typedef typename Geometry_traits_2::Curve_2 Curve_2;
typedef typename Geometry_traits_2::Point_3 Point_3;
typedef typename Geometry_traits_2::Vector_3 Vector_3;
/*! */
typedef unsigned int* Coord_index_iter;
// Polyhedron types:
typedef typename Polyhedron::Vertex_const_handle
Polyhedron_vertex_const_handle;
@ -94,9 +88,13 @@ private:
typedef boost::is_same<typename Polyhedron::Plane_3, Vector_3>
Polyhedron_has_normal;
typedef typename Polyhedron::HalfedgeDS HDS;
typedef Polyhedron_incremental_builder_3<HDS> Builder;
typedef typename Builder::size_type size_type;
/*! Transforms a (planar) facet into a normal */
struct Normal_equation {
template <class Facet>
template <typename Facet>
typename Facet::Plane_3 operator()(Facet& f) {
typename Facet::Halfedge_handle h = f.halfedge();
return CGAL::cross_product(h->next()->vertex()->point() -
@ -111,7 +109,7 @@ private:
std::transform(polyhedron.facets_begin(), polyhedron.facets_end(),
polyhedron.planes_begin(), Normal_equation());
}
/*! Compute the equation of the undelying plane of a facet */
struct Plane_equation {
template <typename Facet>
@ -128,9 +126,9 @@ private:
std::transform(polyhedron.facets_begin(), polyhedron.facets_end(),
polyhedron.planes_begin(), Plane_equation());
}
/*! A point adder */
template <class HDS, class PointIterator_3>
template <typename HDS, typename PointIterator>
class Point_adder {
private:
typedef Polyhedron_incremental_builder_3<HDS> Builder;
@ -142,8 +140,8 @@ private:
/*! Constructor */
Point_adder(Builder& B) : m_B(B) {}
Polyhedron_vertex_handle operator()(PointIterator_3 pi)
Polyhedron_vertex_handle operator()(PointIterator pi)
{
typedef typename HDS::Vertex Vertex;
typedef typename Vertex::Point Point;
@ -152,7 +150,7 @@ private:
};
/*! Specialized point adder */
template <class HDS> class Point_adder<HDS, Point_3*> {
template <typename HDS> class Point_adder<HDS, Point_3*> {
private:
typedef Polyhedron_incremental_builder_3<HDS> Builder;
Builder& m_B;
@ -163,13 +161,13 @@ private:
/*! Constructor */
Point_adder(Builder& B) : m_B(B) {}
Polyhedron_vertex_handle operator()(Point_3* pi)
{ return m_B.add_vertex(*pi); }
};
/*! */
template <class PointIterator_3>
template <typename PointIterator, typename CoordIndexIter>
class Build_surface : public Modifier_base<typename Polyhedron::HalfedgeDS>
{
private:
@ -180,45 +178,44 @@ private:
typedef typename Polyhedron::HalfedgeDS HDS;
typedef Polyhedron_incremental_builder_3<HDS> Builder;
typedef typename Builder::size_type size_type;
typedef unsigned int* Coord_index_iter;
/*! The begin iterator of the points */
const PointIterator_3& m_points_begin;
const PointIterator& m_points_begin;
/*! The end iterator of the points */
const PointIterator_3& m_points_end;
const PointIterator& m_points_end;
/*! The number of points */
size_type m_num_points;
/*! The begin iterator of the indices */
const Coord_index_iter& m_indices_begin;
const CoordIndexIter& m_indices_begin;
/*! The end iterator of the indices */
const Coord_index_iter& m_indices_end;
const CoordIndexIter& m_indices_end;
/*! The number of facest */
size_type m_num_facets;
/*! The type of the facets. */
size_type m_num_vertices_per_facet;
/*! The index of the marked vertex */
unsigned int m_marked_vertex_index;
size_type m_marked_vertex_index;
/*! The index of the marked edge */
unsigned int m_marked_edge_index;
size_type m_marked_edge_index;
/*! The index of the marked face */
unsigned int m_marked_facet_index;
size_type m_marked_facet_index;
public:
/*! Constructor */
Build_surface(const PointIterator_3& points_begin,
const PointIterator_3& points_end,
unsigned int num_points,
const Coord_index_iter& indices_begin,
const Coord_index_iter& indices_end,
Build_surface(const PointIterator& points_begin,
const PointIterator& points_end,
size_type num_points,
const CoordIndexIter& indices_begin,
const CoordIndexIter& indices_end,
size_type num_facets,
size_type num_vertices_per_facet = 0) :
m_points_begin(points_begin), m_points_end(points_end),
@ -235,13 +232,13 @@ private:
virtual ~Build_surface() {}
/*! Set the marked-vertex index */
void set_marked_vertex_index(unsigned int id) {m_marked_vertex_index = id;}
void set_marked_vertex_index(size_type id) {m_marked_vertex_index = id;}
/*! Set the marked-edge index */
void set_marked_edge_index(unsigned int id) {m_marked_edge_index = id;}
void set_marked_edge_index(size_type id) {m_marked_edge_index = id;}
/*! Set the marked-face index */
void set_marked_facet_index(unsigned int id) {m_marked_facet_index = id;}
void set_marked_facet_index(size_type id) {m_marked_facet_index = id;}
/*! builds the polyhedron */
void operator()(HDS& hds)
@ -250,20 +247,20 @@ private:
Builder B(hds, true);
B.begin_surface(m_num_points, m_num_facets);
// Add the points:
unsigned int counter = 0;
Point_adder<HDS, PointIterator_3> add(B);
for (PointIterator_3 pi = m_points_begin; pi != m_points_end; ++pi) {
size_type counter = 0;
Point_adder<HDS, PointIterator> add(B);
for (PointIterator pi = m_points_begin; pi != m_points_end; ++pi) {
Polyhedron_vertex_handle vh = add(pi);
if (counter == m_marked_vertex_index) vh->set_marked(true);
++counter;
}
// Add the facets:
counter = 0;
switch (m_num_vertices_per_facet) {
case 0: // '0' indicates variant number of vertices per facet
{
Coord_index_iter ii = m_indices_begin;
CoordIndexIter ii = m_indices_begin;
while (ii != m_indices_end) {
Polyhedron_facet_handle fh = B.begin_facet();
if (counter == m_marked_facet_index) fh->set_marked(true);
@ -271,16 +268,16 @@ private:
while (index != -1) {
B.add_vertex_to_facet(index);
index = *ii++;
}
}
B.end_facet();
++counter;
}
}
break;
case 3:
// Unfold for to improve preformance:
for (Coord_index_iter ii = m_indices_begin; ii != m_indices_end;
for (CoordIndexIter ii = m_indices_begin; ii != m_indices_end;
ii += m_num_vertices_per_facet)
{
Polyhedron_facet_handle fh = B.begin_facet();
@ -294,7 +291,7 @@ private:
break;
default:
for (Coord_index_iter ii = m_indices_begin; ii != m_indices_end;
for (CoordIndexIter ii = m_indices_begin; ii != m_indices_end;
ii += m_num_vertices_per_facet)
{
Polyhedron_facet_handle fh = B.begin_facet();
@ -312,15 +309,15 @@ private:
/*! A visitor class */
Visitor* m_visitor;
/*! The index of the marked vertex */
unsigned int m_marked_vertex_index;
size_type m_marked_vertex_index;
/*! The index of the marked edge */
unsigned int m_marked_edge_index;
size_type m_marked_edge_index;
/*! The index of the marked face */
unsigned int m_marked_facet_index;
size_type m_marked_facet_index;
/*! */
Polyhedron_vertex_const_handle m_src_vertex;
@ -336,7 +333,7 @@ private:
{
typedef typename Base::Face_handle Arr_face_handle;
typedef typename Base::Vertex_handle Arr_vertex_handle;
Arr_face_handle src_face = edge->twin()->face();
Arr_face_handle trg_face = edge->face();
src_face->set_point(m_src_vertex->point());
@ -354,20 +351,20 @@ private:
// m_visitor->update_dual_face(m_halfedge->facet(), edge->target());
}
}
/*! Update the polyhedron */
template <class PointIterator_3>
template <typename PointIterator, typename CoordIndexIter>
void update_polyhedron(Polyhedron& polyhedron,
const PointIterator_3& points_begin,
const PointIterator_3& points_end,
unsigned int num_points,
const Coord_index_iter indices_begin,
Coord_index_iter indices_end,
unsigned int num_facets,
unsigned int num_vertices_per_facet = 0)
const PointIterator& points_begin,
const PointIterator& points_end,
size_type num_points,
const CoordIndexIter indices_begin,
const CoordIndexIter indices_end,
size_type num_facets,
size_type num_vertices_per_facet = 0)
{
/*! The builder */
Build_surface<PointIterator_3>
Build_surface<PointIterator, CoordIndexIter>
surface(points_begin, points_end, num_points,
indices_begin, indices_end, num_facets, num_vertices_per_facet);
surface.set_marked_vertex_index(m_marked_vertex_index);
@ -376,7 +373,7 @@ private:
polyhedron.delegate(surface);
// Mark the marked (half) edges:
unsigned int counter = 0;
size_type counter = 0;
typedef typename Polyhedron::Edge_iterator Polyhedron_edge_iterator;
Polyhedron_edge_iterator ei;
for (ei = polyhedron.edges_begin(); ei != polyhedron.edges_end(); ++ei) {
@ -393,7 +390,7 @@ private:
template <typename Facet>
const Vector_3& get_normal(const Facet& facet, boost::true_type) const
{ return facet->plane(); }
/*! Obtain the normal of a facet of a polyhedron that supports planes */
template <typename Facet>
Vector_3 get_normal(const Facet& facet, boost::false_type) const
@ -413,7 +410,7 @@ private:
typedef typename Base::Halfedge_handle Halfedge_handle;
Vertex_handle invalid_vertex;
// For each vertex, traverse incident faces:
Polyhedron_halfedge_around_vertex_circulator hec = src->vertex_begin();
@ -461,7 +458,7 @@ private:
<< static_cast<float>(todouble(m_trg_vertex->point().z()))
<< std::endl;
#endif
m_halfedge = next_hec;
#if 0
Halfedge_handle he = this->insert(normal1, normal2);
@ -526,7 +523,7 @@ private:
++hec;
} while (hec != begin_hec);
}
/*! Compute the spherical gaussian map of a convex polyhedron
* \param polyhedron the input polyhedron
*/
@ -552,7 +549,7 @@ private:
// Traverse all verticess recursively:
process_vertex(polyhedron.vertices_begin(), true);
}
public:
/*! Constructor */
Arr_polyhedral_sgm_initializer(PolyhedralSgm& sgm) :
@ -562,7 +559,7 @@ public:
m_marked_edge_index(0),
m_marked_facet_index(0)
{}
/*! Destructor */
virtual ~Arr_polyhedral_sgm_initializer() {}
@ -592,20 +589,20 @@ public:
compute_sgm(polyhedron);
}
/*! Initialize the Spherical Gaussian map */
template <class PointIterator_3>
void operator()(const PointIterator_3& points_begin,
const PointIterator_3& points_end,
unsigned int num_points,
const Coord_index_iter indices_begin,
Coord_index_iter indices_end,
unsigned int num_facets,
unsigned int num_vertices_per_facet = 0,
template <typename PointIterator, typename CoordIndexIter>
void operator()(const PointIterator& points_begin,
const PointIterator& points_end,
size_type num_points,
const CoordIndexIter indices_begin,
const CoordIndexIter indices_end,
size_type num_facets,
size_type num_vertices_per_facet = 0,
Visitor* visitor = NULL)
{
m_visitor = visitor;
Polyhedron polyhedron;
update_polyhedron(polyhedron, points_begin, points_end, num_points,
indices_begin, indices_end, num_facets,
@ -631,35 +628,37 @@ public:
}
/*! Set the marked-vertex index */
void set_marked_vertex_index(unsigned int id) {m_marked_vertex_index = id;}
void set_marked_vertex_index(size_type id) {m_marked_vertex_index = id;}
/*! Set the marked-edge index */
void set_marked_edge_index(unsigned int id) {m_marked_edge_index = id;}
void set_marked_edge_index(size_type id) {m_marked_edge_index = id;}
/*! Set the marked-face index */
void set_marked_facet_index(unsigned int id) {m_marked_facet_index = id;}
void set_marked_facet_index(size_type id) {m_marked_facet_index = id;}
};
/*!
*/
template <class Geometry_traits_2,
template <typename Geometry_traits_2,
template <class T>
class T_Dcel = Arr_polyhedral_sgm_arr_dcel>
class Dcel_T = Arr_polyhedral_sgm_arr_dcel>
class Arr_polyhedral_sgm :
public Arr_spherical_gaussian_map_3<Geometry_traits_2, T_Dcel>
public Arr_spherical_gaussian_map_3<Geometry_traits_2, Dcel_T>
{
private:
typedef Arr_polyhedral_sgm<Geometry_traits_2, T_Dcel> Self;
typedef Arr_polyhedral_sgm<Geometry_traits_2, Dcel_T> Self;
public:
typedef typename Geometry_traits_2::Point_3 Point_3;
typedef typename Geometry_traits_2::Vector_3 Vector_3;
typedef T_Dcel<Geometry_traits_2> Dcel;
typedef Dcel_T<Geometry_traits_2> Dcel;
typedef typename Dcel::Size size_type;
// For some reason MSVC barfs on the friend statement below. Therefore,
// we declare the Base to be public to overcome the problem.
typedef Arr_spherical_gaussian_map_3<Geometry_traits_2, T_Dcel> Base;
typedef Arr_spherical_gaussian_map_3<Geometry_traits_2, Dcel_T> Base;
// WE NEED TO ADD THE CGAL NAMESPACE TO PACIFY THE G++ 4.3.3 COMPILER.
typedef CGAL::Arr_polyhedral_sgm_overlay<Self>
@ -667,17 +666,17 @@ public:
#if 0
/*! Allow the initializer to update the SGM data members */
template <class Polyhedron, class Visitor>
template <typename Polyhedron, typename Visitor>
friend class Arr_polyhedral_sgm_initializer<Self, Polyhedron, Visitor>;
#endif
private:
/*! The gravity center */
Point_3 m_center;
/*! Indicated whether the center has been calculated */
bool m_dirty_center;
/*! Calculate the center of the polyhedron */
void calculate_center()
{
@ -695,16 +694,13 @@ private:
m_dirty_center = false;
}
public:
/*! Parameter-less Constructor */
Arr_polyhedral_sgm() : m_dirty_center(true) {}
/*! Copy Constructor */
Arr_polyhedral_sgm(const Self& sgm)
{
assign(sgm);
}
Arr_polyhedral_sgm(const Self& sgm) { assign(sgm); }
/*! Assign a spherical Gaussian map to this */
void assign(const Self& sgm)
@ -714,15 +710,15 @@ public:
typename Dcel::Face_iterator fit;
typename Base::Face_const_iterator fit1 = sgm.faces_begin();
// Set the points of the faces.
for (fit = this->_dcel().faces_begin(); fit != this->_dcel().faces_end();
++fit)
{
fit->set_point (fit1->point());
fit->set_point(fit1->point());
++fit1;
}
typename Dcel::Edge_iterator eit;
typename Base::Edge_const_iterator eit1 = sgm.edges_begin();
@ -735,7 +731,7 @@ public:
++eit1;
}
}
/*! Destructor */
virtual ~Arr_polyhedral_sgm() { clear(); }
@ -746,11 +742,11 @@ public:
m_dirty_center = true;
Base::clear();
}
// /*! Compute the minkowski sum of a range of objects of type
// * Arr_polyhedral_sgm
// */
// template <class SgmIterator>
// template <typename SgmIterator>
// void minkowski_sum(SgmIterator begin, SgmIterator end)
// {
//typename SgmIterator::value_type* sgm1 = *begin++;
@ -761,7 +757,7 @@ public:
// /*! Compute the minkowski sum of a range of objects of type
// * Arr_polyhedral_sgm
// */
// template <typename SgmIterator, typename OverlayTraits>
// template <typename SgmIterator, typename OverlayTraits>
// void minkowski_sum(SgmIterator begin, SgmIterator end,
// OverlayTraits& overlay_traits)
// {
@ -769,12 +765,12 @@ public:
// typename SgmIterator::value_type* sgm2 = *begin;
// minkowski_sum(sgm1, sgm2, overlay_traits);
// }
/*! Compute the Minkowski sum of 2 objects of type Arr_polyhedral_sgm
* \param sgm1 the first Arr_polyhedral_sgm object
* \param sgm2 the second Arr_polyhedral_sgm object
*/
template <class Arr_polyhedral_sgm>
template <typename Arr_polyhedral_sgm>
void minkowski_sum(const Arr_polyhedral_sgm& sgm1,
const Arr_polyhedral_sgm& sgm2)
{
@ -788,25 +784,25 @@ public:
* \param sgm1 the first Arr_polyhedral_sgm object
* \param sgm2 the second Arr_polyhedral_sgm object
*/
template <class Arr_polyhedral_sgm, typename OverlayTraits>
template <typename Arr_polyhedral_sgm, typename OverlayTraits>
void minkowski_sum(const Arr_polyhedral_sgm& sgm1,
const Arr_polyhedral_sgm& sgm2,
OverlayTraits& overlay_traits)
{ CGAL::overlay(sgm1, sgm2, *this, overlay_traits); }
/*! Obtain the number of (primal) vertices */
unsigned int number_of_vertices() const
size_type number_of_vertices() const
{ return (static_cast<const Base*>(this))->number_of_faces(); }
/*! Obtain the number of (primal) edges
* \return the number of (primal) edges.
* Edges that connect vertices of degree 2 are not counted, as they have
* been introduced only to make non-x-monotone curves x-monotone.
*
*/
unsigned int number_of_edges() const
size_type number_of_edges() const
{
unsigned int size = 0;
size_type size = 0;
typename Base::Vertex_const_iterator vit;
for (vit = this->vertices_begin(); vit != this->vertices_end(); ++vit)
if (vit->degree() == 2) size++;
@ -818,17 +814,17 @@ public:
* Vertices of degree 2 are not counted, as they have been introduced only
* to make non-x-monotone curves x-monotone.
*/
unsigned int number_of_facets() const
size_type number_of_facets() const
{
unsigned int size = 0;
size_type size = 0;
typename Base::Vertex_const_iterator vit;
for (vit = this->vertices_begin(); vit != this->vertices_end(); ++vit)
if (vit->degree() > 2) size++;
return size;
}
/* Print the sgm vertices */
void print_vertices()
void print_vertices()
{
typename Base::Face_const_iterator vit;
for (vit = this->faces_begin(); vit != this->faces_end(); ++vit)
@ -839,7 +835,7 @@ public:
void print_stat()
{
Base::print_stat();
std::cout << "Polyhedron"
<< ", no. facets: " << number_of_facets()
<< ", no. edges: " << number_of_edges()