CGAL users discussion list

[Michael Jeulin-L <>]

Laurent Saboret wrote:
> Hi Michael,
>
> Please post your code in order for CGAL developers to reproduce this 
> compilation error.
>
> Best regards,
> Laurent Saboret
>
>
> Michael Jeulin-L wrote:
> > Hi,
> >
> > I have a conflict about multiple definition of a function in CGAL 
> > when I try to
> > include "CGAL/mst_orient_normals.h" and 
> > "CGAL/Surface_mesh_Simplification/edge_collapse.h"
> > at the same time.
> >
> > I`am under VS2K8 pro and I receive the following error :
> > (It`s a french version, so I try to translate it into English error 
> > report)
> >
> > "
> > Files : mst_orient_normals.h
> > error C2668 'boost:visitor' : ambiguous call to an overload function
> > error C2780: 'void boost::breadth_first_search(const VertexListGraph &,
> > graph_traits<G>::vertex_descriptor, Buffer &, BFSVisitor, ColorMap)' : 5
> > arguments wait- 3 provided) "
> >
> > When I try to compute the function with default parameters, I have 
> > exactly
> > contrary error (3 arguments wait - 5 provided)
> >
> > I think I can cut some code from edge_collapse header to resolve it, 
> > but the
> > solution is not convenient ^^. So could someone tell me what about this
> > conflict and how can I resolve it properly please ?
> >
> > Thank you very much.
> > Kind Regards.
>
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>
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The following code cause the error :
#include <list>
#include <vector>
#include <fstream>

#include <CGAL/Cartesian.h>
#include <CGAL/Polygon_2.h>
#include <CGAL/property_map.h>
#include <CGAL/remove_outliers.h>
#include <CGAL/pca_estimate_normals.h>
#include <CGAL/mst_orient_normals.h>
#include <CGAL/Triangulation_euclidean_traits_xy_3.h>
#include <CGAL/Triangulation_hierarchy_3.h>
#include <CGAL/Delaunay_triangulation_2.h>
#include <CGAL/Delaunay_triangulation_3.h>
#include <CGAL/alpha_shape_2.h>
#include <CGAL/Alpha_shape_3.h>
#include <CGAL/linear_least_squares_fitting_2.h>
#include <CGAL/linear_least_squares_fitting_3.h>

#include <CGAL/Polyhedron_3.h>
#include <CGAL/Surface_mesh_default_triangulation_3.h>
#include <CGAL/make_surface_mesh.h>
#include <CGAL/Implicit_surface_3.h>
#include <CGAL/Poisson_reconstruction_function.h>
#include <CGAL/Point_with_normal_3.h>
#include <CGAL/compute_average_spacing.h>

#include <CGAL/Surface_mesh_simplification/HalfedgeGraph_Polyhedron_3.h>
*#include <CGAL/Surface_mesh_simplification/edge_collapse.h>*
#include 
<CGAL/Surface_mesh_simplification/Policies/Edge_collapse/Count_stop_predicate.h>


#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/Unique_hash_map.h>


using namespace std;

[...typedef....]

++

void PBuilding::EstimateNormals()
{
PointList pointsVect;
unsigned int nb_neighbors=26;

_completion=0 ;
int size=_Buildings.size() ;
global_bar->setMaximum(size);

for(ElementsPts::iterator building=_Buildings.begin(); 
building!=_Buildings.end(); ++building)
{
global_bar->setValue(_completion++);

for(PointsList::iterator point=building->begin();point!=building->end(); 
++point)
pointsVect.push_back(PointVectorPair((*point), Vector(0, 0, 0)));

CGAL::pca_estimate_normals(pointsVect.begin(), pointsVect.end(),
CGAL::First_of_pair_property_map<PointVectorPair>(),
CGAL::Second_of_pair_property_map<PointVectorPair>(),
nb_neighbors);

pointsVect.erase(CGAL::mst_orient_normals(pointsVect.begin(), 
pointsVect.end(),
CGAL::First_of_pair_property_map<PointVectorPair>(),
CGAL::Second_of_pair_property_map<PointVectorPair>(),
nb_neighbors),
pointsVect.end());

_pointsNormals.push_back(pointsVect);
pointsVect.clear();
}

global_bar->setValue(size);
global_bar->reset();
}

Thank you.
Kind Regards.

--
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Michael Jeulin-L, ComputaMaps

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