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Fix cutting_plane plugin.

This commit is contained in:
Stéphane Tayeb 2010-02-24 10:56:56 +00:00
parent b869316bab
commit a96911a47d
1 changed files with 85 additions and 53 deletions
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138
Polyhedron/demo/Polyhedron/Polyhedron_demo_cut_plugin.cpp
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@ -1,4 +1,5 @@
#include <QtCore/qglobal.h>
#include <CGAL/AABB_intersections.h>
#include "Messages_interface.h"
#include "Scene_item_with_display_list.h"
@ -9,8 +10,9 @@
#include <CGAL/AABB_tree.h>
#include <CGAL/AABB_traits.h>
#include <CGAL/AABB_polyhedron_triangle_primitive.h>
#include <CGAL/AABB_polyhedron_segment_primitive.h>
#include <CGAL/AABB_drawing_traits.h>
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
#include <CGAL/bounding_box.h>
@ -22,12 +24,13 @@
#include <QMainWindow>
#include <QApplication>
typedef CGAL::Simple_cartesian<double> Simple_cartesian_kernel;
//typedef CGAL::Simple_cartesian<double> Epic_kernel;
typedef CGAL::Exact_predicates_inexact_constructions_kernel Epic_kernel;
typedef class CGAL::AABB_polyhedron_triangle_primitive<
Simple_cartesian_kernel,
typedef class CGAL::AABB_polyhedron_segment_primitive<
Epic_kernel,
Polyhedron> AABB_primitive;
typedef class CGAL::AABB_traits<Simple_cartesian_kernel,
typedef class CGAL::AABB_traits<Epic_kernel,
AABB_primitive> AABB_traits;
typedef class CGAL::AABB_tree<AABB_traits> AABB_tree;
@ -131,8 +134,8 @@ public:
for(size_t i = 0, end = edges.size();
i < end; ++i)
{
const Simple_cartesian_kernel::Point_3& a = edges[i].source();
const Simple_cartesian_kernel::Point_3& b = edges[i].target();
const Epic_kernel::Point_3& a = edges[i].source();
const Epic_kernel::Point_3& b = edges[i].target();
::glVertex3d(a.x(), a.y(), a.z());
::glVertex3d(b.x(), b.y(), b.z());
}
@ -140,7 +143,7 @@ public:
}
public:
std::vector<Simple_cartesian_kernel::Segment_3> edges;
std::vector<Epic_kernel::Segment_3> edges;
}; // end class Scene_edges_item
@ -154,6 +157,8 @@ class Polyhedron_demo_cut_plugin :
public:
Polyhedron_demo_cut_plugin() : QObject(), edges_item(0) {
}
virtual ~Polyhedron_demo_cut_plugin();
void init(QMainWindow* mainWindow, Scene_interface* scene_interface,
Messages_interface* m);
@ -178,6 +183,17 @@ private:
Trees trees;
}; // end Polyhedron_demo_cut_plugin
Polyhedron_demo_cut_plugin::~Polyhedron_demo_cut_plugin()
{
for ( Trees::iterator it = trees.begin(), end = trees.end() ;
it != end ; ++it)
{
delete it->second;
}
}
void Polyhedron_demo_cut_plugin::init(QMainWindow* mainWindow,
Scene_interface* scene_interface,
Messages_interface* m)
@ -210,55 +226,71 @@ void Polyhedron_demo_cut_plugin::createCutPlane() {
this, SLOT(cut()));
scene->addItem(plane_item);
actionCreateCutPlane->setEnabled(false);
// Hide polyhedrons and call cut() (avoid that nothing shows up until user
// decides to move the plane item)
for(size_t i = 0, end = scene->numberOfEntries(); i < end; ++i) {
Scene_item* item = scene->item(i);
Scene_polyhedron_item* poly_item = qobject_cast<Scene_polyhedron_item*>(item);
if ( NULL != poly_item )
poly_item->setVisible(false);
}
cut();
}
// ST 27/04/2009: Function disabled
// TODO: Fix compilation with AABB_tree 3.5
void Polyhedron_demo_cut_plugin::cut() {
// QApplication::setOverrideCursor(Qt::WaitCursor);
// if(!edges_item) {
// edges_item = new Scene_edges_item;
// edges_item->setName("Edges of the cut");
// edges_item->setColor(Qt::red);
// connect(edges_item, SIGNAL(destroyed()),
// this, SLOT(reset_edges()));
// scene->addItem(edges_item);
// }
// const qglviewer::Vec& pos = plane_item->manipulatedFrame()->position();
// const qglviewer::Vec& n =
// plane_item->manipulatedFrame()->inverseTransformOf(qglviewer::Vec(0.f, 0.f, 1.f));
// Simple_cartesian_kernel::Plane_3 plane(n[0], n[1], n[2], - n * pos);
// std::cerr << plane << std::endl;
// edges_item->edges.clear();
// QTime time;
// time.start();
// for(size_t i = 0, end = scene->numberOfEntries(); i < end; ++i) {
// Scene_item* item = scene->item(i);
// Scene_polyhedron_item* poly_item = qobject_cast<Scene_polyhedron_item*>(item);
// if(!poly_item) continue;
// Trees::iterator it = trees.find(poly_item);
// if(it == trees.end()) {
// it = trees.insert(trees.begin(),
// std::make_pair(poly_item,
// new AABB_tree(poly_item->polyhedron()->facets_begin(),
// poly_item->polyhedron()->facets_end() )));
// Scene_aabb_item* aabb_item = new Scene_aabb_item(*it->second);
// aabb_item->setName(tr("AABB tree of %1").arg(poly_item->name()));
// aabb_item->setRenderingMode(Wireframe);
// aabb_item->setVisible(false);
// scene->addItem(aabb_item);
// std::cerr << "size: " << it->second->size() << std::endl;
// }
// if(!CGAL::do_intersect(plane, it->second->bbox()))
// std::cerr << "no intersection\n";
// std::cerr << "all_intersection\n";
// //it->second.all_intersection<Simple_cartesian_kernel::Segment_3>(plane, std::back_inserter(edges_item->edges));
// }
// messages->information(QString("cut (%1 ms). %2 edges.").arg(time.elapsed()).arg(edges_item->edges.size()));
// scene->itemChanged(edges_item);
// QApplication::restoreOverrideCursor();
QApplication::setOverrideCursor(Qt::WaitCursor);
if(!edges_item) {
edges_item = new Scene_edges_item;
edges_item->setName("Edges of the cut");
edges_item->setColor(Qt::red);
connect(edges_item, SIGNAL(destroyed()),
this, SLOT(reset_edges()));
scene->addItem(edges_item);
}
const qglviewer::Vec& pos = plane_item->manipulatedFrame()->position();
const qglviewer::Vec& n =
plane_item->manipulatedFrame()->inverseTransformOf(qglviewer::Vec(0.f, 0.f, 1.f));
Epic_kernel::Plane_3 plane(n[0], n[1], n[2], - n * pos);
//std::cerr << plane << std::endl;
edges_item->edges.clear();
QTime time;
time.start();
for(size_t i = 0, end = scene->numberOfEntries(); i < end; ++i) {
Scene_item* item = scene->item(i);
Scene_polyhedron_item* poly_item = qobject_cast<Scene_polyhedron_item*>(item);
if(!poly_item) continue;
Trees::iterator it = trees.find(poly_item);
if(it == trees.end()) {
it = trees.insert(trees.begin(),
std::make_pair(poly_item,
new AABB_tree(poly_item->polyhedron()->edges_begin(),
poly_item->polyhedron()->edges_end() )));
Scene_aabb_item* aabb_item = new Scene_aabb_item(*it->second);
aabb_item->setName(tr("AABB tree of %1").arg(poly_item->name()));
aabb_item->setRenderingMode(Wireframe);
aabb_item->setVisible(false);
scene->addItem(aabb_item);
//std::cerr << "size: " << it->second->size() << std::endl;
}
if(!CGAL::do_intersect(plane, it->second->bbox()))
continue;
std::vector<AABB_primitive> intersections;
it->second->all_intersected_primitives(plane, std::back_inserter(intersections));
for ( std::vector<AABB_primitive>::iterator it = intersections.begin(),
end = intersections.end() ; it != end ; ++it )
{
edges_item->edges.push_back(it->datum());
}
}
messages->information(QString("cut (%1 ms). %2 edges.").arg(time.elapsed()).arg(edges_item->edges.size()));
scene->itemChanged(edges_item);
QApplication::restoreOverrideCursor();
}
void Polyhedron_demo_cut_plugin::enableAction() {