示例#1
0
SBasis compose(Linear2d const &a, D2<SBasis> const &p) {
    D2<SBasis> omp(-p[X] + 1, -p[Y] + 1);
    return multiply(omp[0], omp[1])*a[0] +
           multiply(p[0], omp[1])*a[1] +
           multiply(omp[0], p[1])*a[2] +
           multiply(p[0], p[1])*a[3];
}
  bool project_mesh::generic_run( int target_dimension )
  {
    if (viennagrid::result_of::geometric_dimension<OutputMeshT>::value != target_dimension)
      return false;

    typedef viennagrid::segmented_mesh<InputMeshT, InputSegmentationT> InputSegmentedMeshType;
    typename viennamesh::result_of::const_parameter_handle<InputSegmentedMeshType>::type imp = input_mesh.get<InputSegmentedMeshType>();
    if (imp)
    {
      typedef viennagrid::segmented_mesh<OutputMeshT, OutputSegmentationT> OutputSegmentedMeshType;

      output_parameter_proxy<OutputSegmentedMeshType> omp(output_mesh);

      project_mesh_impl( imp().mesh, imp().segmentation, omp().mesh, omp().segmentation );
      return true;
    }

    return false;
  }
示例#3
0
	void CSimPetriDoc::CreateOMPDoc(CString pathToFile)
	{
		ompMode = TRUE;
		delete stepper;

		//Créer le squelette
		const std::wstring pathName(pathToFile);
		const wchar_t *separator = _T(";");
		omp::Reader dataReader(pathName, separator);
		omp::PetriOMP omp(dataReader, skeleton);

		//Créer le stepper
		stepper = new pm::TrackableStepper(&skeleton, &timer);

		//Ajouter les places
		double radiusPlaces = ((double)(3)/4) * min(size.cx/2, size.cy/2);
		pm::Places places = skeleton.getPlaces();
		unsigned index = 0;
		for(auto it=places.begin(); it!=places.end(); ++it)
		{
			int x(size.cx/2 + radiusPlaces*std::cos(((double)(index)/places.size())*2*3.14));
			int y(-size.cy/2 + radiusPlaces*std::sin(((double)(index)/places.size())*2*3.14));
			shapesMap.insert(std::make_pair(*it, AddPlace(Point(x,y), *it)));
			++index;
		}

		//Ajouter les transitions
		double radiusTrans = ((double)(1)/2) * min(size.cx/2, size.cy/2);
		pm::Transitions transitions = skeleton.getTransitions();
		index = 0;
		for(auto it=transitions.begin(); it!=transitions.end(); ++it)
		{
			Point source = shapesMap.at((*it)->getInputArcs().front()->getSourceNode())->GetPosition();
			Point end = shapesMap.at((*it)->getOutputArcs().front()->getEndNode())->GetPosition();
			//int x(size.cx/2 + radiusTrans*std::cos(((double)(index)/transitions.size())*2*3.14));
			//int y(-size.cy/2 + radiusTrans*std::sin(((double)(index)/transitions.size())*2*3.14));
			shapesMap.insert(std::make_pair(*it, AddTransition(Geometry::MiddlePoint(source, end), *it)));
			++index;
		}

		//Ajouter les arcs
		pm::Arcs arcs = skeleton.getArcs();
		std::vector<Point> nullVector;
		for(auto it=arcs.begin(); it!=arcs.end(); ++it)
			AddArc(shapesMap.at((*it)->getSourceNode()),
			shapesMap.at((*it)->getEndNode()),
			nullVector,
			*it);
	}
    bool make_mesh::run_impl()
    {
      output_parameter_proxy<netgen::mesh> omp(output_mesh);

      StdCaptureHandle capture_handle;

      if (omp != input_mesh)
        omp() = input_mesh();


      ::netgen::MeshingParameters mesh_parameters;

      if (cell_size.valid())
      {
        ::netgen::Point3d pmin;
        ::netgen::Point3d pmax;
        omp()().GetBox(pmin, pmax);

        double bb_volume = std::abs( (pmax.X() - pmin.X()) * (pmax.Y() - pmin.Y()) * (pmax.Z() - pmin.Z()) );
        double cell_volume = cell_size()*cell_size()*cell_size();
        double max_cell_count = 100000000;

        if ( cell_volume * max_cell_count < bb_volume )
        {
          warning(1) << "Cell size is too small and might result in too much elements" << std::endl;
          warning(1) << "Cell size                = " << cell_size() << std::endl;
          warning(1) << "Mesh max cell count      = " << max_cell_count << std::endl;
          warning(1) << "Mesh bounding box        = " << pmin << "," << pmax << std::endl;
          warning(1) << "Mesh bounding box volume = " << bb_volume << std::endl;
          warning(1) << "Mesh max cell volume     = " << cell_volume * max_cell_count << std::endl;
        }

        mesh_parameters.maxh = cell_size();
      }

      try
      {
        omp()().CalcLocalH(mesh_parameters.grading);
        MeshVolume (mesh_parameters, omp()());
        RemoveIllegalElements (omp()());
        OptimizeVolume (mesh_parameters, omp()());
      }
      catch (::netgen::NgException const & ex)
      {
        error(1) << "Netgen Error: " << ex.What() << std::endl;
        return false;
      }

      return true;
    }
    bool occ_make_mesh::run_impl()
    {
      io::FileType ft;
      if (filetype.valid())
        ft = io::from_string( filetype() );
      else
        ft = io::from_filename( filename() );

      try
      {
        output_parameter_proxy<netgen::mesh> omp(output_mesh);
        ::netgen::OCCGeometry * geometry;

        if (ft == io::OCC_STEP)
          geometry = ::netgen::LoadOCC_STEP( filename().c_str() );
        else if (ft == io::OCC_IGES)
          geometry = ::netgen::LoadOCC_IGES( filename().c_str() );
        else
        {
          error(1) << "File type \"" << io::to_string(ft) << "\" is not supported" << std::endl;
          return false;
        }

        // http://sourceforge.net/p/netgen-mesher/discussion/905307/thread/7176bc7d/
        TopTools_IndexedMapOfShape FMap;
        FMap.Assign( geometry->fmap );
        if (!FMap.Extent())
        {
          std::cout << "Error retrieving Face map... (OpenCascade error)" << endl;
          return false;
        }

        ::netgen::MeshingParameters mp;

        mp.elementorder = 0;
        mp.quad = 0;
        mp.inverttets = 0;
        mp.inverttrigs = 0;

        if (cell_size.valid())
        {
          mp.uselocalh = 1;
          mp.maxh = cell_size();
        }


        mp.curvaturesafety = curvature_safety_factor();
        mp.segmentsperedge = segments_per_edge();
        mp.grading = grading();

        int perfstepsend = 6;

        omp()().geomtype = ::netgen::Mesh::GEOM_OCC;
        ::netgen::occparam.resthcloseedgeenable = 0; //mp.closeedgeenable;
        ::netgen::occparam.resthcloseedgefac = 1.0; //mp.closeedgefact;

        ::netgen::mparam = mp;

        omp()().DeleteMesh();
        ::netgen::OCCSetLocalMeshSize( *geometry, omp()() );


        ::netgen::OCCFindEdges(*geometry, omp()());

        ::netgen::OCCMeshSurface(*geometry, omp()(), perfstepsend);
        omp()().CalcSurfacesOfNode();

        ::netgen::MeshVolume(mp, omp()());
        ::netgen::RemoveIllegalElements( omp()() );
        ::netgen::MeshQuality3d( omp()() );

        ::netgen::OptimizeVolume(mp, omp()() );
      }
      catch (::netgen::NgException const & ex)
      {
        error(1) << "Netgen Error: " << ex.What() << std::endl;
        return false;
      }

      return true;
    }
    bool adapt_hull::run_impl()
    {
      typedef viennagrid::triangular_3d_mesh                MeshType;
      typedef viennagrid::triangular_3d_segmentation        SegmentationType;
      typedef viennagrid::triangular_hull_3d_segmentation   OrientedSegmentationType;

      typedef viennagrid::segmented_mesh<MeshType, SegmentationType> SegmentedMeshType;
      typedef viennagrid::segmented_mesh<MeshType, OrientedSegmentationType> OrientedSegmentedMeshType;

      {
        viennamesh::result_of::const_parameter_handle<OrientedSegmentedMeshType>::type imp = input_mesh.get<OrientedSegmentedMeshType>();
        if (imp)
        {
          output_parameter_proxy<OrientedSegmentedMeshType> omp(output_mesh);

          ::vgmodeler::hull_adaptor adaptor;
          if (cell_size.valid())
            adaptor.maxsize() = cell_size();
          adaptor.process( imp().mesh, imp().segmentation, omp().mesh, omp().segmentation );

          return true;
        }
      }

//       {
//         viennamesh::result_of::const_parameter_handle<SegmentedMeshType>::type imp = input_mesh.get<SegmentedMeshType>();
//         if (imp)
//         {
//           output_parameter_proxy<OrientedSegmentedMeshType> omp(output_mesh);
//
//           viennamesh::algorithm_handle segmenting_algo( new hull_segmenting() );
//           segmenting_algo->set_input( "mesh", imp );
//           segmenting_algo->run();
//
//           viennamesh::result_of::const_parameter_handle<OrientedSegmentedMeshType>::type tmp =
//             dynamic_handle_cast<OrientedSegmentedMeshType>(segmenting_algo->get_output("mesh"));
//
//           ::vgmodeler::hull_adaptor adaptor;
//           if (cell_size.valid())
//             adaptor.maxsize() = cell_size();
//           adaptor.process( tmp().mesh, tmp().segmentation, omp().mesh, omp().segmentation );
//
//           return true;
//         }
//       }
//
//       {
//         viennamesh::result_of::const_parameter_handle<MeshType>::type imp = input_mesh.get<MeshType>();
//         if (imp)
//         {
//           output_parameter_proxy<OrientedSegmentedMeshType> omp(output_mesh);
//
//           viennamesh::algorithm_handle segmenting_algo( new hull_segmenting() );
//           segmenting_algo->set_input( "mesh", imp );
//           segmenting_algo->run();
//
//           viennamesh::result_of::const_parameter_handle<OrientedSegmentedMeshType>::type tmp =
//             dynamic_handle_cast<OrientedSegmentedMeshType>(segmenting_algo->get_output("mesh"));
//
//           ::vgmodeler::hull_adaptor adaptor;
//           if (cell_size.valid())
//             adaptor.maxsize() = cell_size();
//           adaptor.process( tmp().mesh, tmp().segmentation, omp().mesh, omp().segmentation );
//
//           return true;
//         }
//       }

      return false;
    }