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Implemented the empty circumcircle button

This commit is contained in:
Nico Kruithof 2013-01-25 17:18:44 +01:00
parent ae5565d912
commit 5487601ae1
2 changed files with 14 additions and 19 deletions
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32
GraphicsView/demo/Periodic_2_triangulation_2/TriangulationCircumcircle.h
View File

@ -33,7 +33,6 @@ protected:
private: private:
DT * dt; DT * dt;
typename DT::Vertex_handle hint;
typename DT::Face_handle fh; typename DT::Face_handle fh;
QGraphicsScene *scene_; QGraphicsScene *scene_;
QGraphicsEllipseItem* circle; QGraphicsEllipseItem* circle;
@ -46,7 +45,6 @@ TriangulationCircumcircle<DT>::TriangulationCircumcircle(QGraphicsScene* s,
QObject* parent) QObject* parent)
: GraphicsViewInput(parent), dt(dt_), scene_(s) : GraphicsViewInput(parent), dt(dt_), scene_(s)
{ {
hint = typename DT::Vertex_handle();
circle = new QGraphicsEllipseItem(); circle = new QGraphicsEllipseItem();
circle->hide(); circle->hide();
scene_->addItem(circle); scene_->addItem(circle);
@ -87,28 +85,26 @@ template <typename DT>
void void
TriangulationCircumcircle<DT>::mouseMoveEvent(QGraphicsSceneMouseEvent *event) TriangulationCircumcircle<DT>::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
{ {
if(dt->dimension() != 2){ // std::cout << __PRETTY_FUNCTION__ << std::endl;
circle->hide(); if(dt->dimension() != 2){
return; circle->hide();
} return;
}
typename DT::Point p = typename DT::Point(event->scenePos().x(), event->scenePos().y()); typename DT::Point p = typename DT::Point(event->scenePos().x(), event->scenePos().y());
double dx = dt->domain().xmax() - dt->domain().xmin(); double dx = dt->domain().xmax() - dt->domain().xmin();
double dy = dt->domain().ymax() - dt->domain().ymin(); double dy = dt->domain().ymax() - dt->domain().ymin();
p = typename DT::Point(p.x()- std::floor(p.x()/dx), p.y()- std::floor(p.y()/dy)); p = typename DT::Point(p.x()- std::floor(p.x()/dx), p.y()- std::floor(p.y()/dy));
fh = dt->locate(p, hint->face()); fh = dt->locate(p);
hint = fh->vertex(0);
if(!dt->is_infinite(fh)){ typename DT::Triangle triangle = dt->triangle(dt->periodic_triangle(fh));
typename DT::Geom_traits::Circle_2 c(fh->vertex(0)->point(), typename DT::Geom_traits::Circle_2 c(triangle[0],
fh->vertex(1)->point(), triangle[1],
fh->vertex(2)->point()); triangle[2]);
CGAL::Bbox_2 bb = c.bbox(); CGAL::Bbox_2 bb = c.bbox();
circle->setRect(bb.xmin(), bb.ymin(), bb.xmax()-bb.xmin(), bb.ymax()-bb.ymin()); circle->setRect(bb.xmin(), bb.ymin(), bb.xmax()-bb.xmin(), bb.ymax()-bb.ymin());
circle->show(); circle->show();
} else {
circle->hide();
}
} }

1
GraphicsView/demo/Periodic_2_triangulation_2/TriangulationRemoveVertex.h
View File

@ -1,4 +1,3 @@
#ifndef CGAL_QT_TRIANGULATION_REMOVE_VERTEX_H #ifndef CGAL_QT_TRIANGULATION_REMOVE_VERTEX_H
#define CGAL_QT_TRIANGULATION_REMOVE_VERTEX_H #define CGAL_QT_TRIANGULATION_REMOVE_VERTEX_H