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#include "config.h"
#include "Scene_points_with_normal_item.h"
#include <CGAL/Three/CGAL_Lab_plugin_helper.h>
#include <CGAL/Three/CGAL_Lab_plugin_interface.h>
#include <CGAL/wlop_simplify_and_regularize_point_set.h>
#include <CGAL/compute_average_spacing.h>
#include <CGAL/Timer.h>
#include <CGAL/Memory_sizer.h>
#include <QObject>
#include <QAction>
#include <QMainWindow>
#include <QApplication>
#include <QtPlugin>
#include <QMessageBox>
#include "run_with_qprogressdialog.h"
#include "ui_Point_set_wlop_plugin.h"
// Concurrency
typedef CGAL::Parallel_if_available_tag Concurrency_tag;
struct Compute_average_spacing_functor
: public Functor_with_signal_callback
{
Point_set* points;
const int nb_neighbors;
std::shared_ptr<double> result;
Compute_average_spacing_functor (Point_set* points, const int nb_neighbors)
: points (points), nb_neighbors (nb_neighbors), result (new double(0)) { }
void operator()()
{
*result = CGAL::compute_average_spacing<Concurrency_tag>(
points->all_or_selection_if_not_empty(),
nb_neighbors,
points->parameters().
callback (*(this->callback())));
}
};
struct Wlop_functor
: public Functor_with_signal_callback
{
Point_set* points;
double select_percentage;
double neighbor_radius;
Scene_points_with_normal_item* new_item;
Wlop_functor (Point_set* points, double select_percentage, double neighbor_radius,
Scene_points_with_normal_item* new_item)
: points (points), select_percentage (select_percentage)
, neighbor_radius (neighbor_radius), new_item (new_item)
{ }
void operator()()
{
CGAL::wlop_simplify_and_regularize_point_set<Concurrency_tag>
(points->all_or_selection_if_not_empty(),
new_item->point_set()->point_back_inserter(),
points->parameters().
select_percentage (select_percentage).
neighbor_radius (neighbor_radius).
callback (*(this->callback())));
}
};
using namespace CGAL::Three;
class CGAL_Lab_point_set_wlop_plugin :
public QObject,
public CGAL_Lab_plugin_helper
{
Q_OBJECT
Q_INTERFACES(CGAL::Three::CGAL_Lab_plugin_interface)
Q_PLUGIN_METADATA(IID "com.geometryfactory.CGALLab.PluginInterface/1.0")
QAction* actionSimplifyAndRegularize;
public:
void init(QMainWindow* mainWindow, CGAL::Three::Scene_interface* scene_interface, Messages_interface*) {
scene = scene_interface;
mw = mainWindow;
actionSimplifyAndRegularize = new QAction(tr("WLOP Simplification and Regularization Selection"), mainWindow);
actionSimplifyAndRegularize->setProperty("subMenuName","Point Set Processing");
actionSimplifyAndRegularize->setObjectName("actionSimplifyAndRegularize");
autoConnectActions();
}
bool applicable(QAction*) const {
return qobject_cast<Scene_points_with_normal_item*>(scene->item(scene->mainSelectionIndex()));
}
QList<QAction*> actions() const {
return QList<QAction*>() << actionSimplifyAndRegularize;
}
public Q_SLOTS:
void on_actionSimplifyAndRegularize_triggered();
}; // end CGAL_Lab_point_set_wlop_plugin
class Point_set_demo_point_set_wlop_simplification_and_regularization_dialog : public QDialog, private Ui::WLOPRegularizationAndSimplificationDialog
{
Q_OBJECT
public:
Point_set_demo_point_set_wlop_simplification_and_regularization_dialog(QWidget * /*parent*/ = nullptr)
{
setupUi(this);
}
double retainedPercentage() const { return m_retainedPercentage->value(); }
double neighborhoodRadius() const { return m_neighborhoodRadius->value(); }
};
void CGAL_Lab_point_set_wlop_plugin::on_actionSimplifyAndRegularize_triggered()
{
const CGAL::Three::Scene_interface::Item_id index = scene->mainSelectionIndex();
Scene_points_with_normal_item* item =
qobject_cast<Scene_points_with_normal_item*>(scene->item(index));
if(item)
{
// Gets point set
Point_set* points = item->point_set();
if(points == nullptr)
return;
// Gets options
Point_set_demo_point_set_wlop_simplification_and_regularization_dialog dialog;
if(!dialog.exec())
return;
QApplication::setOverrideCursor(Qt::BusyCursor);
CGAL::Timer task_timer; task_timer.start();
std::cerr << "Point cloud simplification and regularization by WLOP ("
<< dialog.retainedPercentage () << "% retained points, neighborhood radius = "
<< dialog.neighborhoodRadius() <<" * average spacing)...\n";
// Computes average spacing
Compute_average_spacing_functor functor_as (points, 6);
run_with_qprogressdialog (functor_as, "WLOP: computing average spacing...", mw);
double average_spacing = *functor_as.result;
Scene_points_with_normal_item* new_item
= new Scene_points_with_normal_item();
new_item->setName (tr("%1 (WLOP processed)").arg(item->name()));
new_item->setVisible(true);
item->setVisible(false);
scene->addItem(new_item);
Wlop_functor functor (points, dialog.retainedPercentage(),
dialog.neighborhoodRadius() * average_spacing, new_item);
run_with_qprogressdialog (functor, "WLOP simplification and regularization...", mw);
std::size_t memory = CGAL::Memory_sizer().virtual_size();
std::cerr << "Simplification and regularization: "
<< new_item->point_set ()->size () << " point(s) created ("
<< task_timer.time() << " seconds, "
<< (memory>>20) << " Mb allocated)"
<< std::endl;
QApplication::restoreOverrideCursor();
}
}
#include "Point_set_wlop_plugin.moc"
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