Update lcc viewer with path to deal with Surface mesh and Polyhedron

This commit is contained in:
Guillaume Damiand 2019-04-04 18:47:49 +02:00
parent 260b3e54e3
commit afa2417c16
2 changed files with 98 additions and 31 deletions

View File

@ -68,6 +68,7 @@ public:
/// The dimension of the combinatorial map.
static const unsigned int dimension=2;
static const unsigned int ambient_dimension=3;
typedef typename boost::graph_traits<HEG>::vertex_descriptor vertex_descriptor;
typedef typename boost::graph_traits<HEG>::edge_descriptor edge_descriptor;
@ -826,6 +827,49 @@ protected:
storage_type m_map;
};
template<class Mesh_>
struct Get_traits
{
typedef Mesh_ Mesh;
typedef typename Mesh::Traits Kernel;
typedef typename Mesh::Point Point;
typedef typename Mesh::Vector Vector;
template<class Dart_handle>
static const Point& get_point(const Mesh& m, Dart_handle dh)
{ return m.point(dh); }
};
template<class P>
struct Get_traits<CGAL::Surface_mesh<P> >
{
typedef CGAL::Surface_mesh<P> Mesh;
typedef typename CGAL::Kernel_traits<P>::Kernel Kernel;
typedef typename Kernel::Point_3 Point;
typedef typename Kernel::Vector_3 Vector;
template<class Dart_handle>
static const Point& get_point(const Mesh& m, Dart_handle dh)
{ return m.point(m.source(dh)); }
};
template<class PolyhedronTraits_3,
class PolyhedronItems_3,
template<class T, class I, class A> class T_HDS,
class Alloc>
struct Get_traits<CGAL::Polyhedron_3<PolyhedronTraits_3,
PolyhedronItems_3, T_HDS, Alloc> >
{
typedef CGAL::Polyhedron_3<PolyhedronTraits_3, PolyhedronItems_3, T_HDS, Alloc> Mesh;
typedef PolyhedronTraits_3 Kernel;
typedef typename Kernel::Point_3 Point;
typedef typename Kernel::Vector_3 Vector;
template<class Dart_handle>
static const Point& get_point(const Mesh& /*m*/, Dart_handle dh)
{ return dh->vertex()->point(); }
};
} // Namespace CGAL
#endif // CGAL_FACE_GRAPH_WRAPPER_H //

View File

@ -1,4 +1,4 @@
// Copyright (c) 2017 CNRS and LIRIS' Establishments (France).
// Copyright (c) 2017 CNRS and LIRIS' Establishments (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
@ -30,6 +30,24 @@
namespace CGAL
{
template<class Mesh, class Kernel>
struct LCC_geom_utils<CGAL::Face_graph_wrapper<Mesh>, Kernel, 3>
{
static typename Kernel::Vector_3
get_vertex_normal(const CGAL::Face_graph_wrapper<Mesh>& mesh,
typename CGAL::Face_graph_wrapper<Mesh>::Dart_const_handle dh)
{
typename Kernel::Vector_3 n; // TODO =
// we can use mesh.get_fg() to retreine the initial mesh
//internal::Geom_utils<typename LCC::Traits>::
//get_local_vector(CGAL::compute_normal_of_cell_0<LCC>(lcc,dh));
n = n/(CGAL::sqrt(n*n));
return n;
}
};
// Viewer class for LCC with paths.
template<class Mesh, class DrawingFunctorLCC>
class LCC_with_path_viewer : public Basic_viewer_qt
@ -37,10 +55,10 @@ class LCC_with_path_viewer : public Basic_viewer_qt
typedef Basic_viewer_qt Base;
typedef typename Get_map<Mesh, Mesh>::type LCC;
typedef typename LCC::Dart_const_handle Dart_const_handle;
typedef typename CGAL::Kernel_traits<typename LCC::Point_3>::Kernel Kernel;
typedef typename Kernel::Point_3 Point;
typedef typename Kernel::Vector_3 Vector;
typedef typename CGAL::Get_traits<Mesh>::Kernel Kernel;
typedef typename CGAL::Get_traits<Mesh>::Point Point;
typedef typename CGAL::Get_traits<Mesh>::Vector Vector;
public:
/// Construct the viewer.
/// @param alcc the lcc to view
@ -49,11 +67,12 @@ public:
/// usefull for very big object where this time could be long)
LCC_with_path_viewer(QWidget* parent,
const Mesh& amesh,
const std::vector<Path_on_surface<LCC> >* paths=NULL,
const std::vector<Path_on_surface<Mesh> >* paths=NULL,
std::size_t amark=LCC::INVALID_MARK,
const char* title="", bool anofaces=false,
const DrawingFunctorLCC& drawing_functor=DrawingFunctorLCC()) :
Base(parent, title, true, true, true, false, true),
mesh(amesh),
lcc(amesh),
m_nofaces(anofaces),
m_drawing_functor(drawing_functor),
@ -68,6 +87,9 @@ public:
protected:
const Point& get_point(Dart_const_handle dh) const
{ return CGAL::Get_traits<Mesh>::get_point(mesh, dh); }
void compute_elements()
{
clear();
@ -78,9 +100,9 @@ protected:
if (m_current_dart!=lcc.number_of_darts())
{ // We want to draw only one dart
Dart_const_handle selected_dart=lcc.darts().iterator_to(lcc.darts()[m_current_dart]);
if (lcc.is_dart_used(selected_dart))
if (lcc.darts().is_used(m_current_dart))
{
Dart_const_handle selected_dart=lcc.dart_handle(m_current_dart);
compute_edge(selected_dart, CGAL::Color(255,0,0));
lcc.template mark_cell<1>(selected_dart, markedges);
compute_vertex(selected_dart);
@ -156,7 +178,7 @@ protected:
cur=dh;
do
{
add_point_in_face(lcc.point(cur),
add_point_in_face(get_point(cur),
LCC_geom_utils<LCC, Local_kernel>::
get_vertex_normal(lcc, cur));
cur=lcc.next(cur);
@ -168,28 +190,28 @@ protected:
void compute_edge(Dart_const_handle dh)
{
Point p1 = lcc.point(dh);
Point p1 = get_point(dh);
Dart_const_handle d2 = lcc.other_extremity(dh);
if (d2!=NULL)
{
if (m_draw_marked_darts && m_amark!=LCC::INVALID_MARK &&
(lcc.is_marked(dh, m_amark) || lcc.is_marked(lcc.beta(dh, 2), m_amark)))
{ add_segment(p1, lcc.point(d2), CGAL::Color(0, 0, 255)); }
{ add_segment(p1, get_point(d2), CGAL::Color(0, 0, 255)); }
else
{ add_segment(p1, lcc.point(d2)); }
{ add_segment(p1, get_point(d2)); }
}
}
void compute_edge(Dart_const_handle dh, const CGAL::Color& color)
{
Point p1 = lcc.point(dh);
Point p1 = get_point(dh);
Dart_const_handle d2 = lcc.other_extremity(dh);
if (d2!=NULL)
{ add_segment(p1, lcc.point(d2), color); }
{ add_segment(p1, get_point(d2), color); }
}
void compute_vertex(Dart_const_handle dh)
{ add_point(lcc.point(dh)); }
{ add_point(get_point(dh)); }
virtual void keyPressEvent(QKeyEvent *e)
{
@ -262,7 +284,7 @@ protected:
CGAL::Random random(i);
CGAL::Color color=get_random_color(random);
add_point(lcc.point((*m_paths)[i].get_ith_dart(0)), color);
add_point(get_point((*m_paths)[i].get_ith_dart(0)), color);
for (unsigned int j=0; j<(*m_paths)[i].length(); ++j)
{
if ( !lcc.is_marked( (*m_paths)[i].get_ith_dart(j), amark) )
@ -274,20 +296,21 @@ protected:
}
protected:
const typename Get_map<LCC, LCC>::storage_type lcc;
const Mesh& mesh;
const typename Get_map<Mesh, Mesh>::storage_type lcc;
bool m_nofaces;
const DrawingFunctorLCC& m_drawing_functor;
const std::vector<Path_on_surface<LCC> >* m_paths;
const std::vector<Path_on_surface<Mesh> >* m_paths;
unsigned int m_current_path;
unsigned int m_current_dart;
bool m_draw_marked_darts;
std::size_t m_amark; // If !=INVALID_MARK, show darts marked with this mark
};
template<class LCC, class DrawingFunctor>
void draw(const LCC& alcc,
const std::vector<Path_on_surface<LCC> >& paths,
const char* title="LCC Viewer",
template<class Mesh, class DrawingFunctor>
void draw(const Mesh& alcc,
const std::vector<Path_on_surface<Mesh> >& paths,
const char* title="Mesh Viewer",
std::size_t amark=-1,
bool nofill=false,
const DrawingFunctor& drawing_functor=DrawingFunctor())
@ -303,25 +326,25 @@ void draw(const LCC& alcc,
int argc=1;
const char* argv[2]={"lccviewer","\0"};
QApplication app(argc,const_cast<char**>(argv));
LCC_with_path_viewer<LCC, DrawingFunctor> mainwindow(app.activeWindow(),
alcc, &paths, amark,
title, nofill,
drawing_functor);
LCC_with_path_viewer<Mesh, DrawingFunctor> mainwindow(app.activeWindow(),
alcc, &paths, amark,
title, nofill,
drawing_functor);
mainwindow.show();
app.exec();
}
}
template<class LCC>
void draw(const LCC& alcc,
const std::vector<Path_on_surface<LCC> >& paths,
template<class Mesh>
void draw(const Mesh& alcc,
const std::vector<Path_on_surface<Mesh> >& paths,
const char* title="LCC Viewer",
std::size_t amark=-1,
bool nofill=false)
{
DefaultDrawingFunctorLCC f;
return draw<LCC, DefaultDrawingFunctorLCC>(alcc, paths, title,
amark, nofill, f);
return draw<Mesh, DefaultDrawingFunctorLCC>(alcc, paths, title,
amark, nofill, f);
}
} // End namespace CGAL