本文整理汇总了C++中Face_handle::ccw方法的典型用法代码示例。如果您正苦于以下问题：C++ Face_handle::ccw方法的具体用法？C++ Face_handle::ccw怎么用？C++ Face_handle::ccw使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Face_handle的用法示例。
在下文中一共展示了Face_handle::ccw方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: as
/**
* Returns an alpha shape but as lines instead of only points.
*/
std::list<std::pair<Shared_Point,Shared_Point> > Hull::alphaHull2D(const std::list<Point> points,double alpha){
//iHt dt;
std::list<std::pair<Shared_Point,Shared_Point> > resultingEdges;
if(points.size() < 3) return resultingEdges;
#ifdef NO_HULL_CALCULATION
if(points.size() == 4){
std::list<Point>::const_iterator it = points.begin();
Shared_Point p0(new Point(it->p[0], 0, it->p[2]));
it++;
Shared_Point p1(new Point(it->p[0], 0, it->p[2]));
it++;
Shared_Point p2(new Point(it->p[0], 0, it->p[2]));
it++;
Shared_Point p3(new Point(it->p[0], 0, it->p[2]));
resultingEdges.push_back(std::pair<Shared_Point,Shared_Point>(p0,p1));
resultingEdges.push_back(std::pair<Shared_Point,Shared_Point>(p1,p2));
resultingEdges.push_back(std::pair<Shared_Point,Shared_Point>(p2,p3));
resultingEdges.push_back(std::pair<Shared_Point,Shared_Point>(p3,p0));
return resultingEdges;
}else{
fprintf(stderr,"Cannot Compute no hull\n");
}
#endif
std::vector<K::Point_2> dt;
dt.reserve(points.size());
for(std::list<Point>::const_iterator it=points.begin(); it!=points.end(); it++){
K::Point_2 p((*it).p[0],(*it).p[2]);
dt.push_back(p);
}
try{
Alpha_shape_2 as(dt.begin(),dt.end(),alpha);//Alpha_shape_2::REGULARIZED);
//Alpha_shape_2 as(dt.begin(),dt.end(),Alpha_shape_2::REGULARIZED);
//std::cout << "Alpha shape computed in REGULARIZED mode by defaut."<< std::endl;
//Alpha_iterator opt = as.find_optimal_alpha(1);
//as.set_alpha(*opt);
for(Alpha_shape_2::Alpha_shape_edges_iterator it = as.alpha_shape_edges_begin(); it != as.alpha_shape_edges_end(); it++){
Edge e = (*it);
Face_handle f = e.first;
int i = e.second;
Alpha_shape_2::Vertex_handle vh1 = f->vertex(f->cw(i));
Alpha_shape_2::Vertex_handle vh2 = f->vertex(f->ccw(i));
K::Point_2& p1 = vh1->point();
K::Point_2& p2 = vh2->point();
std::pair<Shared_Point,Shared_Point> pair(Shared_Point(new Point(p1.x(),0,p1.y())),Shared_Point(new Point(p2.x(),0,p2.y())));
resultingEdges.push_back(pair);
}
}catch( ...){
printf("Catched Unknown Cgal Exception adding plane without generatig shape\n");
}
return resultingEdges;
}