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Add a plugin for polylines simplification

This commit is contained in:
Maxime Gimeno 2020-10-30 14:30:18 +01:00
parent 61174c8359
commit 07efe75a70
1 changed files with 39 additions and 1 deletions
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40
Polyhedron/demo/Polyhedron/Plugins/IO/Polylines_io_plugin.cpp
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@ -4,10 +4,13 @@
#include <CGAL/Three/Polyhedron_demo_io_plugin_interface.h>
#include <CGAL/Three/Polyhedron_demo_plugin_interface.h>
#include <CGAL/Three/Polyhedron_demo_plugin_helper.h>
#include <CGAL/Polygon_mesh_processing/internal/simplify_polyline.h>
#include <CGAL/Three/Three.h>
#include <fstream>
#include <QVariant>
#include <QMessageBox>
#include <QInputDialog>
using namespace CGAL::Three;
class Polyhedron_demo_polylines_io_plugin :
public QObject,
@ -40,8 +43,14 @@ public:
actionSplit_polylines= new QAction(tr("Split Selected Polylines"), mainWindow);
actionSplit_polylines->setProperty("subMenuName", "Operations on Polylines");
actionSplit_polylines->setObjectName("actionSplitPolylines");
actionSimplify_polylines = new QAction(tr("Simplify Selected Polyline"), mainWindow);
actionSimplify_polylines->setProperty("subMenuName", "Operations on Polylines");
actionSimplify_polylines->setObjectName("actionSimplifyPolylines");
connect(actionSplit_polylines, &QAction::triggered, this, &Polyhedron_demo_polylines_io_plugin::split);
connect(actionJoin_polylines, &QAction::triggered, this, &Polyhedron_demo_polylines_io_plugin::join);
connect(actionSimplify_polylines, &QAction::triggered, this, &Polyhedron_demo_polylines_io_plugin::simplify);
}
QString name() const override{ return "polylines_io_plugin"; }
@ -52,6 +61,9 @@ public:
bool canSave(const CGAL::Three::Scene_item*) override;
bool save(QFileInfo fileinfo,QList<CGAL::Three::Scene_item*>&) override;
bool applicable(QAction* a) const override{
if( a == actionSimplify_polylines)
return qobject_cast<Scene_polylines_item*>(scene->item(
scene->mainSelectionIndex()));
bool all_polylines_selected = true;
Q_FOREACH(int index, scene->selectionIndices())
{
@ -73,7 +85,8 @@ public:
QList<QAction*> actions() const override{
return QList<QAction*>()<<actionSplit_polylines
<<actionJoin_polylines;
<<actionJoin_polylines
<<actionSimplify_polylines;
}
bool isDefaultLoader(const Scene_item* item) const override{
@ -86,10 +99,12 @@ public:
void split();
//!Joins the selected Scene_polylines_items in a single item containing all their polylines.
void join();
void simplify();
private:
QAction* actionSplit_polylines;
QAction* actionJoin_polylines;
QAction* actionSimplify_polylines;
};
bool Polyhedron_demo_polylines_io_plugin::canLoad(QFileInfo fileinfo) const{
@ -253,6 +268,29 @@ void Polyhedron_demo_polylines_io_plugin::split()
}
}
void Polyhedron_demo_polylines_io_plugin::simplify()
{
Scene_polylines_item* item = qobject_cast<Scene_polylines_item*>(scene->item(scene->mainSelectionIndex()));
bool ok;
double err = QInputDialog::getDouble(mw, "Brechet Distance", "Enter the approximation error:", pow(0.01*item->diagonalBbox(),2),0,999,8,&ok);
if(!ok)
return;
for(Scene_polylines_item::Polylines_container::iterator
it = item->polylines.begin();
it!= item->polylines.end();
++it)
{
Scene_polylines_item::Polyline out_range;
CGAL::Polygon_mesh_processing::experimental::simplify_polyline(*it,
out_range,
err);
it->clear();
it->insert(it->begin(), out_range.begin(), out_range.end());
}
item->invalidateOpenGLBuffers();
item->redraw();
}
void Polyhedron_demo_polylines_io_plugin::join()
{