mirror of https://github.com/CGAL/cgal
Readability changes
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@ -63,7 +63,7 @@ regular_neighbor_coordinates_vertex_2(const Rt& rt,
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// (=^ inside convex hull of neighbors)
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//out: the result of the coordinate computation
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//vor_vertices: the vertices of the power cell of p (to avoid recomputation)
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CGAL_precondition(rt.dimension()==2);
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CGAL_precondition(rt.dimension() == 2);
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typedef typename Rt::Geom_traits Traits;
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typedef typename Traits::FT Coord_type;
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@ -88,13 +88,14 @@ regular_neighbor_coordinates_vertex_2(const Rt& rt,
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return make_triple(out, Coord_type(1), true);
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}
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std::vector<Bare_point> vor(3);
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std::vector<Bare_point> vor(3);
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Coord_type area_sum(0);
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//determine the last vertex of the hole:
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EdgeIterator hit = hole_end;
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--hit;
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//to start: prev is the "last" vertex of the hole
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// to start: prev is the "last" vertex of the hole
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// later: prev is the last vertex processed (previously)
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Vertex_handle prev = hit->first->vertex(rt.cw(hit->second));
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hit = hole_begin;
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@ -103,17 +104,17 @@ regular_neighbor_coordinates_vertex_2(const Rt& rt,
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Coord_type area(0);
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Vertex_handle current = hit->first->vertex(rt.cw(hit->second));
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//a first Voronoi vertex of the cell of p:
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vor[0] = rt.geom_traits().construct_weighted_circumcenter_2_object()
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(current->point(),
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hit->first->vertex(rt.ccw(hit->second))->point(), p);
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// a first Voronoi vertex of the cell of p:
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vor[0] = rt.geom_traits().construct_weighted_circumcenter_2_object()(
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current->point(), hit->first->vertex(rt.ccw(hit->second))->point(), p);
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*vor_vertices++= vor[0];
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//triangulation of the Voronoi subcell:
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//a second vertex as base
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// triangulation of the Voronoi subcell:
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// a second vertex as base
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Face_circulator fc = rt.incident_faces(current, hit->first);
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++fc;
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vor[1] = rt.dual(fc);
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// iteration over all other "old" Voronoi vertices
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while(!fc->has_vertex(prev))
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{
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@ -125,26 +126,24 @@ regular_neighbor_coordinates_vertex_2(const Rt& rt,
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}
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//the second Voronoi vertex of the cell of p:
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vor[2] =
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rt.geom_traits().construct_weighted_circumcenter_2_object()
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(prev->point(),current->point(),p);
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*vor_vertices++= vor[2];
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vor[2] = rt.geom_traits().construct_weighted_circumcenter_2_object()(
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prev->point(),current->point(), p);
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*vor_vertices++ = vor[2];
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area += polygon_area_2(vor.begin(), vor.end(), rt.geom_traits());
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*out++= std::make_pair(current,area);
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*out++= std::make_pair(current, area);
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area_sum += area;
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//update prev and hit:
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prev= current;
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prev = current;
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++hit;
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}
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//get coordinate for hidden vertices
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// <=> the area of their Voronoi cell.
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//decomposition of the cell into triangles
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// vor1: dual of first triangle
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// vor2, vor 3: duals of two consecutive triangles
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// get coordinate for hidden vertices <=> the area of their Voronoi cell.
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// decomposition of the cell into triangles
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// vor1: dual of first triangle
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// vor2, vor 3: duals of two consecutive triangles
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Face_circulator fc, fc_begin;
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for(; hidden_vertices_begin != hidden_vertices_end; ++hidden_vertices_begin)
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{
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@ -164,7 +163,7 @@ regular_neighbor_coordinates_vertex_2(const Rt& rt,
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++fc;
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}
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*out++= std::make_pair((*hidden_vertices_begin),area);
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*out++ = std::make_pair((*hidden_vertices_begin), area);
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area_sum += area;
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}
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@ -215,26 +214,24 @@ regular_neighbor_coordinates_vertex_2(const Rt& rt,
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int li;
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Face_handle fh = rt.locate(p, lt, li, start);
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// the point must lie inside the convex hull otherwisereturn false:
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// the point must lie inside the convex hull, otherwise return false:
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if(lt == Rt::OUTSIDE_AFFINE_HULL || lt == Rt::OUTSIDE_CONVEX_HULL
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|| (lt == Rt::EDGE
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&& (rt.is_infinite(fh) || rt.is_infinite(fh->neighbor(li)))))
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|| (lt == Rt::EDGE && (rt.is_infinite(fh) || rt.is_infinite(fh->neighbor(li)))))
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return make_triple(out, Coord_type(1), false);
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if (lt == Rt::VERTEX)
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if(lt == Rt::VERTEX)
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{
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//the point must be in conflict:
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CGAL_precondition(rt.power_test(fh->vertex(li)->point(), p) != ON_NEGATIVE_SIDE);
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if (rt.power_test(fh->vertex(li)->point(), p) ==ON_ORIENTED_BOUNDARY)
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if (rt.power_test(fh->vertex(li)->point(), p) == ON_ORIENTED_BOUNDARY)
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{
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*out++= std::make_pair(fh->vertex(li),Coord_type(1));
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*out++ = std::make_pair(fh->vertex(li), Coord_type(1));
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return make_triple(out, Coord_type(1), true);
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}
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}
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std::list<Edge> hole;
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std::list<Vertex_handle> hidden_vertices;
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rt.get_boundary_of_conflicts_and_hidden_vertices(p,
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std::back_inserter(hole),
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std::back_inserter(hidden_vertices),
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@ -308,7 +308,8 @@ surface_neighbor_coordinates_3(const Dt& dt,
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dt.vertices_on_conflict_zone_boundary(p, c, std::back_inserter(conflict_vertices));
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for (typename std::list< Vertex_handle >::iterator it = conflict_vertices.begin();
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it != conflict_vertices.end();){
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it != conflict_vertices.end();)
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{
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if(dt.is_infinite(*it)){
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typename std::list< Vertex_handle >::iterator itp = it;
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it++;
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