CGAL users discussion list

["Sebastien Loriot (GeometryFactory)" <>]

Code looks OK except normals.
We need to see the "24 unresolved externals" to help here.


On 07/07/2016 09:39 AM, Kelvin_Piroddi wrote:
> The Code is:
>
> #define CGAL_EIGEN3_ENABLED
>
> #include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
> #include <CGAL/pca_estimate_normals.h>
> #include <CGAL/mst_orient_normals.h>
> #include <CGAL/property_map.h>
> #include <CGAL/IO/read_xyz_points.h>
> #include <CGAL/Poisson_reconstruction_function.h>
>
> #include <CGAL/trace.h>
> #include <CGAL/Polyhedron_3.h>
> #include <CGAL/IO/Polyhedron_iostream.h>
> #include <CGAL/Surface_mesh_default_triangulation_3.h>
> #include <CGAL/make_surface_mesh.h>
> #include <CGAL/Implicit_surface_3.h>
> #include <CGAL/IO/output_surface_facets_to_polyhedron.h>
> #include <CGAL/Point_with_normal_3.h>
> #include <CGAL/compute_average_spacing.h>
>
> #include <Eigen/Eigen>
> #include <CGAL/Eigen_solver_traits.h>
>
> #include <utility> // defines std::pair
> #include <list>
> #include <fstream>
>
>
>
>
> // Types
> typedef CGAL::Exact_predicates_inexact_constructions_kernel Kernel;
> typedef Kernel::FT FT;
> typedef Kernel::Point_3 Point;
> typedef Kernel::Vector_3 Vector;
>
> typedef CGAL::Poisson_reconstruction_function<Kernel>
> Poisson_reconstruction_function;
> typedef CGAL::Surface_mesh_default_triangulation_3 STr;
> typedef CGAL::Surface_mesh_complex_2_in_triangulation_3<STr> C2t3;
> typedef CGAL::Implicit_surface_3<Kernel, Poisson_reconstruction_function>
> Surface_3;
>
>
> // Concurrency
> #ifdef CGAL_LINKED_WITH_TBB
> typedef CGAL::Parallel_tag Concurrency_tag;
> #else
> typedef CGAL::Sequential_tag Concurrency_tag;
> #endif
>
> // Point with normal vector stored in a std::pair.
> typedef std::pair<Point, Vector> PointVectorPair;
>
> int main()
> {
>      // Reads a .txt point set file in points[].
>
>
>      std::list<PointVectorPair> points;
>      std::cout << "Begin Reading" << std::endl;
>
>      std::ifstream stream("Apples1.txt");
>      if (!stream ||
>          !CGAL::read_xyz_points(stream,
>                                 std::back_inserter(points),
>
> CGAL::First_of_pair_property_map<PointVectorPair>()))
>
>
>      std::cout << "reading done" << std::endl;
>
>      const int nb_neighbors = 18;
>      CGAL::pca_estimate_normals<Concurrency_tag>(points.begin(),
> points.end(),
>
> CGAL::First_of_pair_property_map<PointVectorPair>(),
>
> CGAL::Second_of_pair_property_map<PointVectorPair>(),
>                                 nb_neighbors);
>
>
>
>      std::list<PointVectorPair>::iterator unoriented_points_begin =
>        CGAL::mst_orient_normals(points.begin(), points.end(),
>
> CGAL::First_of_pair_property_map<PointVectorPair>(),
>
> CGAL::Second_of_pair_property_map<PointVectorPair>(),
>                                   nb_neighbors);
>
>      // Optional: delete points with an unoriented normal
>      // if you plan to call a reconstruction algorithm that expects oriented
> normals.
>      points.erase(unoriented_points_begin, points.end());
>
>      std::cout << points.size() << std::endl;
>
>      //std::cout << points[0].first.x() << std::endl;
>
>      Poisson_reconstruction_function function(points.begin(), points.end(),
>
> CGAL::First_of_pair_property_map<PointVectorPair>(),
>
> CGAL::Second_of_pair_property_map<PointVectorPair>());
>
>
>      // Computes the Poisson indicator function f()
>      // at each vertex of the triangulation.
>      if (!function.compute_implicit_function() )
>        return EXIT_FAILURE;
>
>      return 0;
> }
>
>
> My profile file looks like this:
>
> QT += core
> QT -= gui
>
> CONFIG += c++11
>
> TARGET = begin
> CONFIG += console
> CONFIG -= app_bundle
>
> TEMPLATE = app
>
> SOURCES += main.cpp
>
>
> INCLUDEPATH += C:/boost_1_61_0/boost_1_61_0
> INCLUDEPATH += C:/dev/CGAL-4.8.1/include
> INCLUDEPATH += C:/dev/CGAL-4.8.1/auxiliary/gmp/include
> INCLUDEPATH += C:eigen/eigen
>
> INCLUDEPATH += C:/dev/CGAL-4.8.1/buildnew/include
>
>
> win32:CONFIG(release, debug|release): LIBS += -L$$PWD/./release/
> -lCGAL_Core-vc140-mt-gd-4.8.1
> else:win32:CONFIG(debug, debug|release): LIBS += -L$$PWD/./debug/
> -lCGAL_Core-vc140-mt-gd-4.8.1
>
> INCLUDEPATH += $$PWD/debug
> DEPENDPATH += $$PWD/debug
>
>
> win32:CONFIG(release, debug|release): LIBS += -L$$PWD/./release/
> -lCGAL-vc140-mt-gd-4.8.1
> else:win32:CONFIG(debug, debug|release): LIBS += -L$$PWD/./debug/
> -lCGAL-vc140-mt-gd-4.8.1
>
> INCLUDEPATH += $$PWD/debug
> DEPENDPATH += $$PWD/debug
>
> The Compilation error:
>
> debug\begin.exe : fatal error LNK1120: 24 unresolved externals
> jom: C:\Thesis\Start_code\begin\Makefile.Debug [debug\begin.exe] Error 1120
> jom: C:\Thesis\Start_code\begin\Makefile [debug] Error 2
> 10:19:25: The process "C:\Qt\Qt5.7.0\Tools\QtCreator\bin\jom.exe" exited
> with code 2.
> Error while building/deploying project begin (kit: Desktop Qt 5.7.0 MSVC2015
> 32bit)
> When executing step "Make"
>
> Thank you
> Kelvin Piroddi
>
>
>
>
>
> --
> View this message in context: 
> http://cgal-discuss.949826.n4.nabble.com/CGAL-Examples-using-Eigen-tp4662030p4662036.html
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