diff --git a/.gitattributes b/.gitattributes
index 01186938f56..27ab12f7197 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -398,6 +398,26 @@ Box_intersection_d/doc_tex/Box_intersection_d/fig/box_inters.eps -text svneol=un
 Box_intersection_d/doc_tex/Box_intersection_d/fig/box_inters.gif -text svneol=unset#image/gif
 Box_intersection_d/doc_tex/Box_intersection_d/fig/box_inters.pdf -text svneol=unset#application/pdf
 Box_intersection_d/test/Box_intersection_d/benchmark.plot -text svneol=native#application/postscript
+Circular_kernel_3/demo/Circular_kernel_3/demo_circle -text
+Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_down.xpm -text
+Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_left.xpm -text
+Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_right.xpm -text
+Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_up.xpm -text
+Circular_kernel_3/demo/Circular_kernel_3/images/button_axis.gif -text
+Circular_kernel_3/demo/Circular_kernel_3/images/button_light.gif -text
+Circular_kernel_3/demo/Circular_kernel_3/images/button_line.gif -text
+Circular_kernel_3/demo/Circular_kernel_3/images/button_pivot.gif -text
+Circular_kernel_3/demo/Circular_kernel_3/images/button_solid.gif -text
+Circular_kernel_3/demo/Circular_kernel_3/images/button_solid.xpm -text
+Circular_kernel_3/demo/Circular_kernel_3/images/button_texture.gif -text
+Circular_kernel_3/demo/Circular_kernel_3/images/button_wire.gif -text
+Circular_kernel_3/demo/Circular_kernel_3/images/button_wire.xpm -text
+Circular_kernel_3/demo/Circular_kernel_3/images/d_solid_b.gif -text
+Circular_kernel_3/demo/Circular_kernel_3/images/d_solid_b.xpm -text
+Circular_kernel_3/demo/Circular_kernel_3/images/d_wire_b.gif -text
+Circular_kernel_3/demo/Circular_kernel_3/images/d_wire_b.xpm -text
+Circular_kernel_3/demo/Circular_kernel_3/images/zoom_in.xpm -text
+Circular_kernel_3/demo/Circular_kernel_3/images/zoom_out.xpm -text
 Circular_kernel_3/examples/Circular_kernel_3/example_Circular_kernel_3 -text
 Convex_hull_2/demo/Convex_hull_2/help/index.html svneol=native#text/html
 Convex_hull_2/doc_tex/Convex_hull_2/saarhull.eps -text svneol=unset#application/postscript
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/demo_circle b/Circular_kernel_3/demo/Circular_kernel_3/demo_circle
new file mode 100755
index 00000000000..0882c6541b8
Binary files /dev/null and b/Circular_kernel_3/demo/Circular_kernel_3/demo_circle differ
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/demo_circle.C b/Circular_kernel_3/demo/Circular_kernel_3/demo_circle.C
new file mode 100644
index 00000000000..b8e3ce79b31
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/demo_circle.C
@@ -0,0 +1,27 @@
+
+#include "demo_circle.moc"
+
+int main (int argc, char** argv) {
+	QApplication app(argc, argv);
+	MyWindow *windows = new MyWindow(1100, 1100);
+
+	Sphere_3 laSphere(Point_3(0.,0.,0.), 1.5*1.5);
+	Plane_3 plan;
+	plan = Plane_3(Point_3(1., -1.,  1.), Point_3(1.,  1.,  0.), Point_3(1., -1., -1.));
+	windows->add_cercle(Circle_3(laSphere, plan), 100);
+	plan = Plane_3(Point_3(-1., 1.2,  1.), Point_3( 1., 1.2, -1.), Point_3( 1., 1.2,  1.));
+	windows->add_cercle(Circle_3(laSphere, plan), 100);
+	plan = Plane_3(Point_3(-1., -1.,  1.), Point_3( 1., -1.,  1.), Point_3( 1., -1., -1.));
+	windows->add_cercle(Circle_3(laSphere, plan), 100);
+	plan = Plane_3(Point_3(-1.,  1.,  0.), Point_3( 1., -1.,  1.), Point_3( 1., -1., -1.));
+	windows->add_cercle(Circle_3(laSphere, plan), 100);
+	plan = Plane_3(Point_3(-1., -1.,  1.), Point_3(-1., -1.,  0.), Point_3(-1.,  1., -1.));
+	windows->add_cercle(Circle_3(laSphere, plan), 100);
+	plan = Plane_3(Point_3( 1.,  0.,  0.), Point_3(-1.,  1.,  0.), Point_3(-1., -1.,  0.));
+	windows->add_cercle(Circle_3(laSphere, plan), 100);
+	
+	app.setMainWidget(windows);
+	windows->show();
+	return app.exec();
+}
+
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/demo_circle.h b/Circular_kernel_3/demo/Circular_kernel_3/demo_circle.h
new file mode 100644
index 00000000000..d5d52bda68b
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/demo_circle.h
@@ -0,0 +1,364 @@
+#include <qgl.h>
+#include <CGAL/IO/Qt_widget_OpenGL.h>
+#include <CGAL/IO/Qt_widget.h>
+
+// INCLUDES DE QT
+#include <qmainwindow.h>
+#include <qstatusbar.h>
+#include <qfiledialog.h>
+#include <qmessagebox.h>
+#include <qpopupmenu.h>
+#include <qmenubar.h>
+#include <qtoolbutton.h>
+#include <qtoolbar.h>
+#include <qinputdialog.h>
+
+// INCLUDES DES IMAGES
+
+#include "images/button_solid.xpm"
+#include "images/button_wire.xpm"
+#include "images/arrow_01_down.xpm"
+#include "images/arrow_01_up.xpm"
+#include "images/arrow_01_left.xpm"
+#include "images/arrow_01_right.xpm"
+#include "images/zoom_in.xpm"
+#include "images/zoom_out.xpm"
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h> // Header File For sleeping.
+#include <vector>
+
+// INCLUDES D'OPENGL
+#include <GL/glut.h> // Header File For The GLUT Library 
+#include <GL/gl.h> // Header File For The OpenGL32 Library
+#include <GL/glu.h> // Header File For The GLu32 Library
+
+#include <CGAL/Cartesian.h>
+#include <CGAL/Spherical_kernel_3.h>
+#include <CGAL/Algebraic_kernel_for_spheres_2_3.h>
+#include <CGAL/MP_Float.h>
+#include <CGAL/Quotient.h>
+#include <CGAL/IO/Spherical_circle_gl.h>
+
+// DEFINITION DES TYPES
+typedef double                                           NT;
+typedef CGAL::Cartesian<NT>                              Linear_k1;
+typedef CGAL::Algebraic_kernel_for_spheres_2_3<NT>       Algebraic_k1;
+typedef CGAL::Spherical_kernel_3<Linear_k1,Algebraic_k1> SK;
+typedef SK::Plane_3                                      Plane_3;
+typedef SK::Point_3                                      Point_3;
+typedef SK::Sphere_3                                     Sphere_3;
+typedef SK::Circle_3                                     Circle_3;
+
+class MyGLDrawer : public QGLWidget {
+
+	Q_OBJECT
+
+	public:
+
+		MyGLDrawer (QWidget* parent, const char* name)
+			: QGLWidget(parent, name), showContour(false) {
+				this->x = 0.f;
+				this->y = 0.f;
+				this->z = -6.f;
+				this->rx = 0.f;
+				this->ry = 0.f;
+				this->rz = 0.f;
+				this->list_cercle = 0;
+			}
+
+		void paintGL () {
+			//std::cout << "MyGLDrawer.paintGL();" << std::endl;
+			glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear The Screen And The Depth Buffer
+			glLoadIdentity(); // Reset The View
+			glTranslatef(this->x, this->y, this->z);
+			glRotatef(this->rx, 1.0f, 0.0f, 0.0f);
+			glRotatef(this->ry, 0.0f, 1.0f, 0.0f);
+			glRotatef(this->rz, 0.0f, 0.0f, 1.0f);
+			glCallList(this->list_cercle);
+			this->swapBuffers();
+		}
+
+		void initializeGL () {
+			glClearColor(1.0f, 1.0f, 1.0f, 0.0f); // This Will Clear The Background Color To Black
+			glClearDepth(1.0); // Enables Clearing Of The Depth Buffer
+			glDepthFunc(GL_LESS); // The Type Of Depth Test To Do
+			glEnable(GL_DEPTH_TEST); // Enables Depth Testing
+			glShadeModel(GL_SMOOTH); // Enables Smooth Color Shading
+			glMatrixMode(GL_PROJECTION);
+			glLoadIdentity(); // Reset The Projection Matrix
+			glMatrixMode(GL_MODELVIEW);
+
+			// creation de la liste openGL
+			if (this->list_cercle != 0) glDeleteLists(this->list_cercle, 1);
+			this->list_cercle = glGenLists(1);
+			//On cree une liste dans laquelle on met l'objet 3ds 
+			//On cree une liste dans laquelle on met l'objet 3ds 
+			glNewList(this->list_cercle, GL_COMPILE);
+			for (std::size_t i = 0; i < this->cercles.size(); i++) {
+				dessiner_spherical_circle<SK>(this->cercles[i].first, this->cercles[i].second);
+			}
+			glEndList();
+
+		}
+
+		void resizeGL (int w, int h) {
+			glViewport(0, 0, w, h); // Reset The Current Viewport And Perspective Transformation
+			glMatrixMode(GL_PROJECTION);
+			glLoadIdentity();
+			gluPerspective(45.0f, (GLfloat) w / (GLfloat) w, 0.1f, 100.0f);
+			glMatrixMode(GL_MODELVIEW);
+		}
+
+		inline void add_cercle (const Circle_3& c, int precision) {
+			this->cercles.push_back(std::pair<Circle_3, int>(c, precision));
+		}
+
+	public slots:
+
+		void wire_display () {
+			glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
+			this->paintGL();
+		}
+
+		void surface_display () {
+			glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
+			this->paintGL();
+		}
+
+		void translate(float x, float y, float z){
+			this->x = x;
+			this->y = y;
+			this->z = z;
+		}
+
+		void rotate(float rx, float ry, float rz){
+			this->rx = rx;
+			this->ry = ry;
+			this->rz = rz;
+		}
+
+		inline void show_contour () {this->showContour = true; paintGL();}
+		inline void hide_contour () {this->showContour = false; paintGL();}
+
+	private:
+		float x, y, z, rx, ry, rz;
+		int list_cercle;
+		bool showContour;
+		std::vector<std::pair<Circle_3, int> > cercles;
+
+};
+
+
+class MyWindow : public QMainWindow {
+	Q_OBJECT
+
+	public:
+
+		MyWindow (int w, int h) {
+			//initialization of coordonnate of camera
+			this->x = 0.f;
+			this->y = 0.f;
+			this->z = -6.f;
+			this->rx = 0.f;
+			this->ry = 0.f;
+			this->rz = 0.f;
+
+			this->resize(w, h);
+			wGL = new MyGLDrawer(this, "ProjetDamienJulien");
+			this->setCentralWidget(wGL);
+			this->setCaption("ProjetDamienJulien");
+			//File Menu
+			QPopupMenu* file = new QPopupMenu(this);
+			file->insertItem("&Quit", qApp, SLOT(closeAllWindows()),'');
+			//Display Menu
+			QPopupMenu * affichage = new QPopupMenu(this);
+			affichage->insertItem("&Wire Mode",this,SLOT(mode_wire()), 'r');
+			affichage->insertItem("&Surface Mode",this,SLOT(mode_surface()),'t');
+			affichage->insertItem("Show &Border",this,SLOT(show_contour()),'f');
+			affichage->insertItem("&Hide Border",this,SLOT(hide_contour()),'g');
+			//Move Menu
+			QPopupMenu * move = new QPopupMenu(this);
+			move->insertItem("Rotate &Left",this,SLOT(rotate_left()), 4116);
+			move->insertItem("Rotate &Right",this,SLOT(rotate_right()), 4114);
+			move->insertItem("Rotate Z Left",this,SLOT(rotate_tonneau_left()),'q');
+			move->insertItem("Rotate Z Right",this,SLOT(rotate_tonneau_right()), 'e');
+			move->insertItem("Rotate &Up",this,SLOT(rotate_up()),4115);
+			move->insertItem("Rotate &Down",this,SLOT(rotate_down()), 4117);
+			move->insertItem("Zoom &In",this,SLOT(zoom_in()), 4118);
+			move->insertItem("Zoom &Out",this,SLOT(zoom_out()), 4119);
+			//Menu bar
+			this->menuBar()->insertItem("&File", file);
+			this->menuBar()->insertItem("&Display", affichage);
+			this->menuBar()->insertItem("&Move", move);
+			//tool bar
+			this->layers_toolbar = new QToolBar("Tools", this,
+					QMainWindow::Top, TRUE, "Tools");
+			//buttons in tool bar
+			this->show_wire_button =
+				new QToolButton(QPixmap((const char**)::button_wire_xpm),
+						"Wire Mode",
+						0,
+						this,
+						SLOT(mode_wire()),
+						this->layers_toolbar,
+						"Wire Mode");
+			this->show_wire_button->setToggleButton(true);
+			this->show_surface_button =
+				new QToolButton(QPixmap((const char**)::button_solid_xpm),
+						"Surface Mode",
+						0,
+						this,
+						SLOT(mode_surface()),
+						this->layers_toolbar,
+						"Mode Surface");
+			this->show_surface_button->setToggleButton(true);
+			this->show_surface_button->toggle();
+			this->layers_toolbar->addSeparator();
+			this->rotate_left_button =
+				new QToolButton(QPixmap((const char**)::arrow_01_left_xpm),
+						"Rotate Left",
+						0,
+						this,
+						SLOT(rotate_left()),
+						this->layers_toolbar,
+						"Rotate Left");
+			this->rotate_right_button =
+				new QToolButton(QPixmap((const char**)::arrow_01_right_xpm),
+						"Rotate Right",
+						0,
+						this,
+						SLOT(rotate_right()),
+						layers_toolbar,
+						"Rotate Right");
+
+			this->rotate_up_button =
+				new QToolButton(QPixmap((const char**)::arrow_01_up_xpm),
+						"Rotate Up",
+						0,
+						this,
+						SLOT(rotate_up()),
+						this->layers_toolbar,
+						"Rotate UP");
+			this->rotate_down_button =
+				new QToolButton(QPixmap((const char**)::arrow_01_down_xpm),
+						"Rotate Down",
+						0,
+						this,
+						SLOT(rotate_down()),
+						this->layers_toolbar,
+						"Rotate Down");
+			this->zoom_in_button =
+				new QToolButton(QPixmap((const char**)::zoom_in_xpm),
+						"Zoom In",
+						0,
+						this,
+						SLOT(zoom_in()),
+						this->layers_toolbar,
+						"Zoom In");
+			this->zoom_out_button =
+				new QToolButton(QPixmap((const char**)::zoom_out_xpm),
+						"Zoom Out",
+						0,
+						this,
+						SLOT(zoom_out()),
+						this->layers_toolbar,
+						"Zoom Out");
+		}
+
+	protected:
+
+		void keyPressEvent (QKeyEvent* qke) {
+			//std::cout << "Key ascii<" << qke->ascii() << "> key<" << qke->key() << ">" << std::endl;
+		}
+
+	public slots:
+
+		inline void show_contour() {this->wGL->show_contour();}
+		inline void hide_contour() {this->wGL->hide_contour();}
+
+		void mode_wire () {
+			std::cout << "Mode Wire" << std::endl;
+			this->show_wire_button->setOn(true);
+			this->show_surface_button->setOn(false);
+			this->wGL->wire_display();
+		}
+
+		void mode_surface () {
+			std::cout << "Mode Surface" << std::endl;
+			this->show_wire_button->setOn(false);
+			this->show_surface_button->setOn(true);
+			this->wGL->surface_display();
+		}
+
+		inline void add_cercle (const Circle_3& p, int i) {
+			this->wGL->add_cercle(p,i);
+		}
+
+		void rotate_tonneau_right () {
+			//std::cout << "Rotation en tonneau a droite" << std::endl;
+			this->rz -= 1.f;
+			this->wGL->rotate(this->rx, this->ry, this->rz);
+			this->wGL->paintGL();
+		}
+		void rotate_tonneau_left () {
+			//std::cout << "Rotation en tonneau a gauche" << std::endl;
+			this->rz += 1.f;
+			this->wGL->rotate(this->rx, this->ry, this->rz);
+			this->wGL->paintGL();
+		}
+		void rotate_right(){
+			//std::cout << "Rotation a droite" << std::endl;
+			this->ry += 1.f;
+			this->wGL->rotate(this->rx, this->ry, this->rz);
+			this->wGL->paintGL();
+		}
+		void rotate_left(){
+			//std::cout << "Rotation a gauche" << std::endl;
+			this->ry -= 1.f;
+			this->wGL->rotate(this->rx, this->ry, this->rz);
+			this->wGL->paintGL();
+		}
+		void rotate_up(){
+			//std::cout << "Rotation vers le haut" << std::endl;
+			this->rx -= 1.f;
+			this->wGL->rotate(this->rx, this->ry, this->rz);
+			this->wGL->paintGL();
+		}
+		void rotate_down(){
+			//std::cout << "Rotation vers le bas" << std::endl;
+			this->rx += 1.f;
+			this->wGL->rotate(this->rx, this->ry, this->rz);
+			this->wGL->paintGL();
+		}
+		void zoom_in(){
+			//std::cout << "Augmentation du zoom" << std::endl;
+			this->z += 0.1f;
+			this->wGL->translate(this->x, this->y, this->z);
+			this->wGL->paintGL();
+		}
+		void zoom_out(){
+			//std::cout << "Diminution du zoom" << std::endl;
+			this->z -= 0.1f;
+			this->wGL->translate(this->x, this->y, this->z);
+			this->wGL->paintGL();
+		}
+
+	private:
+		MyGLDrawer* wGL;
+		QToolBar* layers_toolbar;
+		QToolButton* show_wire_button;
+		QToolButton* show_surface_button;
+		QToolButton* rotate_right_button;
+		QToolButton* rotate_left_button;
+		QToolButton* rotate_up_button;
+		QToolButton* rotate_down_button;
+		QToolButton* zoom_in_button;
+		QToolButton* zoom_out_button;
+		float x, y, z, rx, ry, rz; //coordinate of camera
+
+};
+
+
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/demo_circle.moc b/Circular_kernel_3/demo/Circular_kernel_3/demo_circle.moc
new file mode 100644
index 00000000000..e7d2b1240ec
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/demo_circle.moc
@@ -0,0 +1,248 @@
+/****************************************************************************
+** MyGLDrawer meta object code from reading C++ file 'demo_circle.h'
+**
+** Created: Mon Aug 21 16:54:29 2006
+**      by: The Qt MOC ($Id$)
+**
+** WARNING! All changes made in this file will be lost!
+*****************************************************************************/
+
+#undef QT_NO_COMPAT
+#include "demo_circle.h"
+#include <qmetaobject.h>
+#include <qapplication.h>
+
+#include <private/qucomextra_p.h>
+#if !defined(Q_MOC_OUTPUT_REVISION) || (Q_MOC_OUTPUT_REVISION != 26)
+#error "This file was generated using the moc from 3.3.4. It"
+#error "cannot be used with the include files from this version of Qt."
+#error "(The moc has changed too much.)"
+#endif
+
+const char *MyGLDrawer::className() const
+{
+    return "MyGLDrawer";
+}
+
+QMetaObject *MyGLDrawer::metaObj = 0;
+static QMetaObjectCleanUp cleanUp_MyGLDrawer( "MyGLDrawer", &MyGLDrawer::staticMetaObject );
+
+#ifndef QT_NO_TRANSLATION
+QString MyGLDrawer::tr( const char *s, const char *c )
+{
+    if ( qApp )
+	return qApp->translate( "MyGLDrawer", s, c, QApplication::DefaultCodec );
+    else
+	return QString::fromLatin1( s );
+}
+#ifndef QT_NO_TRANSLATION_UTF8
+QString MyGLDrawer::trUtf8( const char *s, const char *c )
+{
+    if ( qApp )
+	return qApp->translate( "MyGLDrawer", s, c, QApplication::UnicodeUTF8 );
+    else
+	return QString::fromUtf8( s );
+}
+#endif // QT_NO_TRANSLATION_UTF8
+
+#endif // QT_NO_TRANSLATION
+
+QMetaObject* MyGLDrawer::staticMetaObject()
+{
+    if ( metaObj )
+	return metaObj;
+    QMetaObject* parentObject = QGLWidget::staticMetaObject();
+    static const QUMethod slot_0 = {"wire_display", 0, 0 };
+    static const QUMethod slot_1 = {"surface_display", 0, 0 };
+    static const QUParameter param_slot_2[] = {
+	{ "x", &static_QUType_ptr, "float", QUParameter::In },
+	{ "y", &static_QUType_ptr, "float", QUParameter::In },
+	{ "z", &static_QUType_ptr, "float", QUParameter::In }
+    };
+    static const QUMethod slot_2 = {"translate", 3, param_slot_2 };
+    static const QUParameter param_slot_3[] = {
+	{ "rx", &static_QUType_ptr, "float", QUParameter::In },
+	{ "ry", &static_QUType_ptr, "float", QUParameter::In },
+	{ "rz", &static_QUType_ptr, "float", QUParameter::In }
+    };
+    static const QUMethod slot_3 = {"rotate", 3, param_slot_3 };
+    static const QUMethod slot_4 = {"show_contour", 0, 0 };
+    static const QUMethod slot_5 = {"hide_contour", 0, 0 };
+    static const QMetaData slot_tbl[] = {
+	{ "wire_display()", &slot_0, QMetaData::Public },
+	{ "surface_display()", &slot_1, QMetaData::Public },
+	{ "translate(float,float,float)", &slot_2, QMetaData::Public },
+	{ "rotate(float,float,float)", &slot_3, QMetaData::Public },
+	{ "show_contour()", &slot_4, QMetaData::Public },
+	{ "hide_contour()", &slot_5, QMetaData::Public }
+    };
+    metaObj = QMetaObject::new_metaobject(
+	"MyGLDrawer", parentObject,
+	slot_tbl, 6,
+	0, 0,
+#ifndef QT_NO_PROPERTIES
+	0, 0,
+	0, 0,
+#endif // QT_NO_PROPERTIES
+	0, 0 );
+    cleanUp_MyGLDrawer.setMetaObject( metaObj );
+    return metaObj;
+}
+
+void* MyGLDrawer::qt_cast( const char* clname )
+{
+    if ( !qstrcmp( clname, "MyGLDrawer" ) )
+	return this;
+    return QGLWidget::qt_cast( clname );
+}
+
+bool MyGLDrawer::qt_invoke( int _id, QUObject* _o )
+{
+    switch ( _id - staticMetaObject()->slotOffset() ) {
+    case 0: wire_display(); break;
+    case 1: surface_display(); break;
+    case 2: translate((float)(*((float*)static_QUType_ptr.get(_o+1))),(float)(*((float*)static_QUType_ptr.get(_o+2))),(float)(*((float*)static_QUType_ptr.get(_o+3)))); break;
+    case 3: rotate((float)(*((float*)static_QUType_ptr.get(_o+1))),(float)(*((float*)static_QUType_ptr.get(_o+2))),(float)(*((float*)static_QUType_ptr.get(_o+3)))); break;
+    case 4: show_contour(); break;
+    case 5: hide_contour(); break;
+    default:
+	return QGLWidget::qt_invoke( _id, _o );
+    }
+    return TRUE;
+}
+
+bool MyGLDrawer::qt_emit( int _id, QUObject* _o )
+{
+    return QGLWidget::qt_emit(_id,_o);
+}
+#ifndef QT_NO_PROPERTIES
+
+bool MyGLDrawer::qt_property( int id, int f, QVariant* v)
+{
+    return QGLWidget::qt_property( id, f, v);
+}
+
+bool MyGLDrawer::qt_static_property( QObject* , int , int , QVariant* ){ return FALSE; }
+#endif // QT_NO_PROPERTIES
+
+
+const char *MyWindow::className() const
+{
+    return "MyWindow";
+}
+
+QMetaObject *MyWindow::metaObj = 0;
+static QMetaObjectCleanUp cleanUp_MyWindow( "MyWindow", &MyWindow::staticMetaObject );
+
+#ifndef QT_NO_TRANSLATION
+QString MyWindow::tr( const char *s, const char *c )
+{
+    if ( qApp )
+	return qApp->translate( "MyWindow", s, c, QApplication::DefaultCodec );
+    else
+	return QString::fromLatin1( s );
+}
+#ifndef QT_NO_TRANSLATION_UTF8
+QString MyWindow::trUtf8( const char *s, const char *c )
+{
+    if ( qApp )
+	return qApp->translate( "MyWindow", s, c, QApplication::UnicodeUTF8 );
+    else
+	return QString::fromUtf8( s );
+}
+#endif // QT_NO_TRANSLATION_UTF8
+
+#endif // QT_NO_TRANSLATION
+
+QMetaObject* MyWindow::staticMetaObject()
+{
+    if ( metaObj )
+	return metaObj;
+    QMetaObject* parentObject = QMainWindow::staticMetaObject();
+    static const QUMethod slot_0 = {"show_contour", 0, 0 };
+    static const QUMethod slot_1 = {"hide_contour", 0, 0 };
+    static const QUMethod slot_2 = {"mode_wire", 0, 0 };
+    static const QUMethod slot_3 = {"mode_surface", 0, 0 };
+    static const QUParameter param_slot_4[] = {
+	{ "p", &static_QUType_ptr, "Circle_3", QUParameter::In },
+	{ "i", &static_QUType_int, 0, QUParameter::In }
+    };
+    static const QUMethod slot_4 = {"add_cercle", 2, param_slot_4 };
+    static const QUMethod slot_5 = {"rotate_tonneau_right", 0, 0 };
+    static const QUMethod slot_6 = {"rotate_tonneau_left", 0, 0 };
+    static const QUMethod slot_7 = {"rotate_right", 0, 0 };
+    static const QUMethod slot_8 = {"rotate_left", 0, 0 };
+    static const QUMethod slot_9 = {"rotate_up", 0, 0 };
+    static const QUMethod slot_10 = {"rotate_down", 0, 0 };
+    static const QUMethod slot_11 = {"zoom_in", 0, 0 };
+    static const QUMethod slot_12 = {"zoom_out", 0, 0 };
+    static const QMetaData slot_tbl[] = {
+	{ "show_contour()", &slot_0, QMetaData::Public },
+	{ "hide_contour()", &slot_1, QMetaData::Public },
+	{ "mode_wire()", &slot_2, QMetaData::Public },
+	{ "mode_surface()", &slot_3, QMetaData::Public },
+	{ "add_cercle(const Circle_3&,int)", &slot_4, QMetaData::Public },
+	{ "rotate_tonneau_right()", &slot_5, QMetaData::Public },
+	{ "rotate_tonneau_left()", &slot_6, QMetaData::Public },
+	{ "rotate_right()", &slot_7, QMetaData::Public },
+	{ "rotate_left()", &slot_8, QMetaData::Public },
+	{ "rotate_up()", &slot_9, QMetaData::Public },
+	{ "rotate_down()", &slot_10, QMetaData::Public },
+	{ "zoom_in()", &slot_11, QMetaData::Public },
+	{ "zoom_out()", &slot_12, QMetaData::Public }
+    };
+    metaObj = QMetaObject::new_metaobject(
+	"MyWindow", parentObject,
+	slot_tbl, 13,
+	0, 0,
+#ifndef QT_NO_PROPERTIES
+	0, 0,
+	0, 0,
+#endif // QT_NO_PROPERTIES
+	0, 0 );
+    cleanUp_MyWindow.setMetaObject( metaObj );
+    return metaObj;
+}
+
+void* MyWindow::qt_cast( const char* clname )
+{
+    if ( !qstrcmp( clname, "MyWindow" ) )
+	return this;
+    return QMainWindow::qt_cast( clname );
+}
+
+bool MyWindow::qt_invoke( int _id, QUObject* _o )
+{
+    switch ( _id - staticMetaObject()->slotOffset() ) {
+    case 0: show_contour(); break;
+    case 1: hide_contour(); break;
+    case 2: mode_wire(); break;
+    case 3: mode_surface(); break;
+    case 4: add_cercle((const Circle_3&)*((const Circle_3*)static_QUType_ptr.get(_o+1)),(int)static_QUType_int.get(_o+2)); break;
+    case 5: rotate_tonneau_right(); break;
+    case 6: rotate_tonneau_left(); break;
+    case 7: rotate_right(); break;
+    case 8: rotate_left(); break;
+    case 9: rotate_up(); break;
+    case 10: rotate_down(); break;
+    case 11: zoom_in(); break;
+    case 12: zoom_out(); break;
+    default:
+	return QMainWindow::qt_invoke( _id, _o );
+    }
+    return TRUE;
+}
+
+bool MyWindow::qt_emit( int _id, QUObject* _o )
+{
+    return QMainWindow::qt_emit(_id,_o);
+}
+#ifndef QT_NO_PROPERTIES
+
+bool MyWindow::qt_property( int id, int f, QVariant* v)
+{
+    return QMainWindow::qt_property( id, f, v);
+}
+
+bool MyWindow::qt_static_property( QObject* , int , int , QVariant* ){ return FALSE; }
+#endif // QT_NO_PROPERTIES
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_down.xpm b/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_down.xpm
new file mode 100644
index 00000000000..855cd30bdf2
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_down.xpm
@@ -0,0 +1,289 @@
+/* XPM */
+static char * arrow_01_down_xpm[] = {
+"30 29 257 2",
+"  	c None",
+". 	c #000000",
+"+ 	c #0C0C0C",
+"@ 	c #008000",
+"# 	c #808000",
+"$ 	c #000080",
+"% 	c #800080",
+"& 	c #008080",
+"* 	c #BFBFBF",
+"= 	c #0C0C0C",
+"- 	c #A4C8F0",
+"; 	c #550000",
+"> 	c #AA0000",
+", 	c #D50000",
+"' 	c #002B00",
+") 	c #552B00",
+"! 	c #802B00",
+"~ 	c #AA2B00",
+"{ 	c #D52B00",
+"] 	c #FF2B00",
+"^ 	c #005500",
+"/ 	c #555500",
+"( 	c #805500",
+"_ 	c #AA5500",
+": 	c #D55500",
+"< 	c #FF5500",
+"[ 	c #558000",
+"} 	c #AA8000",
+"| 	c #D58000",
+"1 	c #FF8000",
+"2 	c #00AA00",
+"3 	c #55AA00",
+"4 	c #80AA00",
+"5 	c #AAAA00",
+"6 	c #D5AA00",
+"7 	c #FFAA00",
+"8 	c #00D500",
+"9 	c #55D500",
+"0 	c #80D500",
+"a 	c #AAD500",
+"b 	c #D5D500",
+"c 	c #FFD500",
+"d 	c #55FF00",
+"e 	c #80FF00",
+"f 	c #AAFF00",
+"g 	c #D5FF00",
+"h 	c #000055",
+"i 	c #550055",
+"j 	c #800055",
+"k 	c #AA0055",
+"l 	c #D50055",
+"m 	c #FF0055",
+"n 	c #002B55",
+"o 	c #552B55",
+"p 	c #802B55",
+"q 	c #AA2B55",
+"r 	c #D52B55",
+"s 	c #FF2B55",
+"t 	c #005555",
+"u 	c #555555",
+"v 	c #805555",
+"w 	c #AA5555",
+"x 	c #D55555",
+"y 	c #FF5555",
+"z 	c #008055",
+"A 	c #558055",
+"B 	c #808055",
+"C 	c #AA8055",
+"D 	c #D58055",
+"E 	c #FF8055",
+"F 	c #00AA55",
+"G 	c #55AA55",
+"H 	c #80AA55",
+"I 	c #AAAA55",
+"J 	c #D5AA55",
+"K 	c #FFAA55",
+"L 	c #00D555",
+"M 	c #55D555",
+"N 	c #80D555",
+"O 	c #AAD555",
+"P 	c #D5D555",
+"Q 	c #FFD555",
+"R 	c #00FF55",
+"S 	c #55FF55",
+"T 	c #80FF55",
+"U 	c #AAFF55",
+"V 	c #D5FF55",
+"W 	c #FFFF55",
+"X 	c #550080",
+"Y 	c #AA0080",
+"Z 	c #D50080",
+"` 	c #FF0080",
+" .	c #002B80",
+"..	c #552B80",
+"+.	c #802B80",
+"@.	c #AA2B80",
+"#.	c #D52B80",
+"$.	c #FF2B80",
+"%.	c #005580",
+"&.	c #555580",
+"*.	c #805580",
+"=.	c #AA5580",
+"-.	c #D55580",
+";.	c #FF5580",
+">.	c #558080",
+",.	c #AA8080",
+"'.	c #D58080",
+").	c #FF8080",
+"!.	c #00AA80",
+"~.	c #55AA80",
+"{.	c #80AA80",
+"].	c #AAAA80",
+"^.	c #D5AA80",
+"/.	c #FFAA80",
+"(.	c #00D580",
+"_.	c #55D580",
+":.	c #80D580",
+"<.	c #AAD580",
+"[.	c #D5D580",
+"}.	c #FFD580",
+"|.	c #00FF80",
+"1.	c #55FF80",
+"2.	c #80FF80",
+"3.	c #AAFF80",
+"4.	c #D5FF80",
+"5.	c #FFFF80",
+"6.	c #0000AA",
+"7.	c #5500AA",
+"8.	c #8000AA",
+"9.	c #AA00AA",
+"0.	c #D500AA",
+"a.	c #FF00AA",
+"b.	c #002BAA",
+"c.	c #552BAA",
+"d.	c #802BAA",
+"e.	c #AA2BAA",
+"f.	c #D52BAA",
+"g.	c #FF2BAA",
+"h.	c #0055AA",
+"i.	c #5555AA",
+"j.	c #8055AA",
+"k.	c #AA55AA",
+"l.	c #D555AA",
+"m.	c #FF55AA",
+"n.	c #0080AA",
+"o.	c #5580AA",
+"p.	c #8080AA",
+"q.	c #AA80AA",
+"r.	c #D580AA",
+"s.	c #FF80AA",
+"t.	c #00AAAA",
+"u.	c #55AAAA",
+"v.	c #80AAAA",
+"w.	c #AAAAAA",
+"x.	c #D5AAAA",
+"y.	c #FFAAAA",
+"z.	c #00D5AA",
+"A.	c #55D5AA",
+"B.	c #80D5AA",
+"C.	c #AAD5AA",
+"D.	c #D5D5AA",
+"E.	c #FF8020",
+"F.	c #00FFAA",
+"G.	c #55FFAA",
+"H.	c #80FFAA",
+"I.	c #AAFFAA",
+"J.	c #D5FFAA",
+"K.	c #FFFFAA",
+"L.	c #0000D5",
+"M.	c #5500D5",
+"N.	c #8000D5",
+"O.	c #AA00D5",
+"P.	c #D500D5",
+"Q.	c #FF00D5",
+"R.	c #002BD5",
+"S.	c #552BD5",
+"T.	c #802BD5",
+"U.	c #AA2BD5",
+"V.	c #D52BD5",
+"W.	c #FF2BD5",
+"X.	c #0055D5",
+"Y.	c #5555D5",
+"Z.	c #8055D5",
+"`.	c #AA55D5",
+" +	c #D555D5",
+".+	c #FF55D5",
+"++	c #0080D5",
+"@+	c #5580D5",
+"#+	c #8080D5",
+"$+	c #AA80D5",
+"%+	c #D580D5",
+"&+	c #FF80D5",
+"*+	c #00AAD5",
+"=+	c #55AAD5",
+"-+	c #80AAD5",
+";+	c #AAAAD5",
+">+	c #D5AAD5",
+",+	c #FFAAD5",
+"'+	c #00D5D5",
+")+	c #55D5D5",
+"!+	c #80D5D5",
+"~+	c #AAD5D5",
+"{+	c #D5D5D5",
+"]+	c #FFD5D5",
+"^+	c #00FFD5",
+"/+	c #55FFD5",
+"(+	c #80FFD5",
+"_+	c #AAFFD5",
+":+	c #D5FFD5",
+"<+	c #FFFFD5",
+"[+	c #5500FF",
+"}+	c #8000FF",
+"|+	c #AA00FF",
+"1+	c #D500FF",
+"2+	c #002BFF",
+"3+	c #552BFF",
+"4+	c #802BFF",
+"5+	c #AA2BFF",
+"6+	c #D52BFF",
+"7+	c #FF2BFF",
+"8+	c #0055FF",
+"9+	c #5555FF",
+"0+	c #8055FF",
+"a+	c #AA55FF",
+"b+	c #D555FF",
+"c+	c #FF55FF",
+"d+	c #0080FF",
+"e+	c #5580FF",
+"f+	c #8080FF",
+"g+	c #AA80FF",
+"h+	c #D580FF",
+"i+	c #FF80FF",
+"j+	c #00AAFF",
+"k+	c #55AAFF",
+"l+	c #80AAFF",
+"m+	c #AAAAFF",
+"n+	c #D5AAFF",
+"o+	c #FFAAFF",
+"p+	c #00D5FF",
+"q+	c #55D5FF",
+"r+	c #80D5FF",
+"s+	c #AAD5FF",
+"t+	c #D5D5FF",
+"u+	c #FFD5FF",
+"v+	c #55FFFF",
+"w+	c #80FFFF",
+"x+	c #AAFFFF",
+"y+	c #FFFBF0",
+"z+	c #A0A0A4",
+"A+	c #808080",
+"B+	c #FF0000",
+"C+	c #00FF00",
+"D+	c #FFFF00",
+"E+	c #0000FF",
+"F+	c #FF00FF",
+"G+	c #00FFFF",
+"H+	c #FFFFFF",
+"                                                            ",
+"                  . . . . . . . . . . .                     ",
+"                . H+H+H+H+H+H+H+H+H+H+H+.                   ",
+"                . H+H+H+H+H+H+H+H+H+H+H+.                   ",
+"                . H+H+H+H+H+H+H+H+H+H+H+.                   ",
+"                . H+H+H+H+H+H+H+H+H+H+H+.                   ",
+"                . H+H+H+H+H+H+H+H+H+H+H+.                   ",
+"                . H+H+H+H+H+H+H+H+H+H+H+.                   ",
+"                . H+H+H+H+H+H+H+H+H+H+H+.                   ",
+"                . H+H+H+H+H+H+H+H+H+H+H+.                   ",
+"                . H+H+H+H+H+H+H+H+H+H+H+.                   ",
+"                . H+H+H+H+H+H+H+H+H+H+H+.                   ",
+"                . H+H+H+H+H+H+H+H+H+H+H+.                   ",
+"  . . . . . . . . H+H+H+H+H+H+H+H+H+H+H+. . . . . . . . .   ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"    . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.     ",
+"      . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.       ",
+"        . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.         ",
+"          . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.           ",
+"            . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.             ",
+"              . H+H+H+H+H+H+H+H+H+H+H+H+H+H+.               ",
+"                . H+H+H+H+H+H+H+H+H+H+H+H+.                 ",
+"                  . H+H+H+H+H+H+H+H+H+H+.                   ",
+"                    . H+H+H+H+H+H+H+H+.                     ",
+"                      . H+H+H+H+H+H+.                       ",
+"                        . H+H+H+H+.                         ",
+"                          . H+H+.                           ",
+"                            . .                             ",
+"                                                            "};
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_left.xpm b/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_left.xpm
new file mode 100644
index 00000000000..72a25274426
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_left.xpm
@@ -0,0 +1,290 @@
+/* XPM */
+static char * arrow_01_left_xpm[] = {
+"29 30 257 2",
+"  	c None",
+". 	c #000000",
+"+ 	c #0C0C0C",
+"@ 	c #008000",
+"# 	c #808000",
+"$ 	c #000080",
+"% 	c #800080",
+"& 	c #008080",
+"* 	c #BFBFBF",
+"= 	c #0C0C0C",
+"- 	c #A4C8F0",
+"; 	c #550000",
+"> 	c #AA0000",
+", 	c #D50000",
+"' 	c #002B00",
+") 	c #552B00",
+"! 	c #802B00",
+"~ 	c #AA2B00",
+"{ 	c #D52B00",
+"] 	c #FF2B00",
+"^ 	c #005500",
+"/ 	c #555500",
+"( 	c #805500",
+"_ 	c #AA5500",
+": 	c #D55500",
+"< 	c #FF5500",
+"[ 	c #558000",
+"} 	c #AA8000",
+"| 	c #D58000",
+"1 	c #FF8000",
+"2 	c #00AA00",
+"3 	c #55AA00",
+"4 	c #80AA00",
+"5 	c #AAAA00",
+"6 	c #D5AA00",
+"7 	c #FFAA00",
+"8 	c #00D500",
+"9 	c #55D500",
+"0 	c #80D500",
+"a 	c #AAD500",
+"b 	c #D5D500",
+"c 	c #FFD500",
+"d 	c #55FF00",
+"e 	c #80FF00",
+"f 	c #AAFF00",
+"g 	c #D5FF00",
+"h 	c #000055",
+"i 	c #550055",
+"j 	c #800055",
+"k 	c #AA0055",
+"l 	c #D50055",
+"m 	c #FF0055",
+"n 	c #002B55",
+"o 	c #552B55",
+"p 	c #802B55",
+"q 	c #AA2B55",
+"r 	c #D52B55",
+"s 	c #FF2B55",
+"t 	c #005555",
+"u 	c #555555",
+"v 	c #805555",
+"w 	c #AA5555",
+"x 	c #D55555",
+"y 	c #FF5555",
+"z 	c #008055",
+"A 	c #558055",
+"B 	c #808055",
+"C 	c #AA8055",
+"D 	c #D58055",
+"E 	c #FF8055",
+"F 	c #00AA55",
+"G 	c #55AA55",
+"H 	c #80AA55",
+"I 	c #AAAA55",
+"J 	c #D5AA55",
+"K 	c #FFAA55",
+"L 	c #00D555",
+"M 	c #55D555",
+"N 	c #80D555",
+"O 	c #AAD555",
+"P 	c #D5D555",
+"Q 	c #FFD555",
+"R 	c #00FF55",
+"S 	c #55FF55",
+"T 	c #80FF55",
+"U 	c #AAFF55",
+"V 	c #D5FF55",
+"W 	c #FFFF55",
+"X 	c #550080",
+"Y 	c #AA0080",
+"Z 	c #D50080",
+"` 	c #FF0080",
+" .	c #002B80",
+"..	c #552B80",
+"+.	c #802B80",
+"@.	c #AA2B80",
+"#.	c #D52B80",
+"$.	c #FF2B80",
+"%.	c #005580",
+"&.	c #555580",
+"*.	c #805580",
+"=.	c #AA5580",
+"-.	c #D55580",
+";.	c #FF5580",
+">.	c #558080",
+",.	c #AA8080",
+"'.	c #D58080",
+").	c #FF8080",
+"!.	c #00AA80",
+"~.	c #55AA80",
+"{.	c #80AA80",
+"].	c #AAAA80",
+"^.	c #D5AA80",
+"/.	c #FFAA80",
+"(.	c #00D580",
+"_.	c #55D580",
+":.	c #80D580",
+"<.	c #AAD580",
+"[.	c #D5D580",
+"}.	c #FFD580",
+"|.	c #00FF80",
+"1.	c #55FF80",
+"2.	c #80FF80",
+"3.	c #AAFF80",
+"4.	c #D5FF80",
+"5.	c #FFFF80",
+"6.	c #0000AA",
+"7.	c #5500AA",
+"8.	c #8000AA",
+"9.	c #AA00AA",
+"0.	c #D500AA",
+"a.	c #FF00AA",
+"b.	c #002BAA",
+"c.	c #552BAA",
+"d.	c #802BAA",
+"e.	c #AA2BAA",
+"f.	c #D52BAA",
+"g.	c #FF2BAA",
+"h.	c #0055AA",
+"i.	c #5555AA",
+"j.	c #8055AA",
+"k.	c #AA55AA",
+"l.	c #D555AA",
+"m.	c #FF55AA",
+"n.	c #0080AA",
+"o.	c #5580AA",
+"p.	c #8080AA",
+"q.	c #AA80AA",
+"r.	c #D580AA",
+"s.	c #FF80AA",
+"t.	c #00AAAA",
+"u.	c #55AAAA",
+"v.	c #80AAAA",
+"w.	c #AAAAAA",
+"x.	c #D5AAAA",
+"y.	c #FFAAAA",
+"z.	c #00D5AA",
+"A.	c #55D5AA",
+"B.	c #80D5AA",
+"C.	c #AAD5AA",
+"D.	c #D5D5AA",
+"E.	c #FF8020",
+"F.	c #00FFAA",
+"G.	c #55FFAA",
+"H.	c #80FFAA",
+"I.	c #AAFFAA",
+"J.	c #D5FFAA",
+"K.	c #FFFFAA",
+"L.	c #0000D5",
+"M.	c #5500D5",
+"N.	c #8000D5",
+"O.	c #AA00D5",
+"P.	c #D500D5",
+"Q.	c #FF00D5",
+"R.	c #002BD5",
+"S.	c #552BD5",
+"T.	c #802BD5",
+"U.	c #AA2BD5",
+"V.	c #D52BD5",
+"W.	c #FF2BD5",
+"X.	c #0055D5",
+"Y.	c #5555D5",
+"Z.	c #8055D5",
+"`.	c #AA55D5",
+" +	c #D555D5",
+".+	c #FF55D5",
+"++	c #0080D5",
+"@+	c #5580D5",
+"#+	c #8080D5",
+"$+	c #AA80D5",
+"%+	c #D580D5",
+"&+	c #FF80D5",
+"*+	c #00AAD5",
+"=+	c #55AAD5",
+"-+	c #80AAD5",
+";+	c #AAAAD5",
+">+	c #D5AAD5",
+",+	c #FFAAD5",
+"'+	c #00D5D5",
+")+	c #55D5D5",
+"!+	c #80D5D5",
+"~+	c #AAD5D5",
+"{+	c #D5D5D5",
+"]+	c #FFD5D5",
+"^+	c #00FFD5",
+"/+	c #55FFD5",
+"(+	c #80FFD5",
+"_+	c #AAFFD5",
+":+	c #D5FFD5",
+"<+	c #FFFFD5",
+"[+	c #5500FF",
+"}+	c #8000FF",
+"|+	c #AA00FF",
+"1+	c #D500FF",
+"2+	c #002BFF",
+"3+	c #552BFF",
+"4+	c #802BFF",
+"5+	c #AA2BFF",
+"6+	c #D52BFF",
+"7+	c #FF2BFF",
+"8+	c #0055FF",
+"9+	c #5555FF",
+"0+	c #8055FF",
+"a+	c #AA55FF",
+"b+	c #D555FF",
+"c+	c #FF55FF",
+"d+	c #0080FF",
+"e+	c #5580FF",
+"f+	c #8080FF",
+"g+	c #AA80FF",
+"h+	c #D580FF",
+"i+	c #FF80FF",
+"j+	c #00AAFF",
+"k+	c #55AAFF",
+"l+	c #80AAFF",
+"m+	c #AAAAFF",
+"n+	c #D5AAFF",
+"o+	c #FFAAFF",
+"p+	c #00D5FF",
+"q+	c #55D5FF",
+"r+	c #80D5FF",
+"s+	c #AAD5FF",
+"t+	c #D5D5FF",
+"u+	c #FFD5FF",
+"v+	c #55FFFF",
+"w+	c #80FFFF",
+"x+	c #AAFFFF",
+"y+	c #FFFBF0",
+"z+	c #A0A0A4",
+"A+	c #808080",
+"B+	c #FF0000",
+"C+	c #00FF00",
+"D+	c #FFFF00",
+"E+	c #0000FF",
+"F+	c #FF00FF",
+"G+	c #00FFFF",
+"H+	c #FFFFFF",
+"                                                          ",
+"                            . .                           ",
+"                          . H+.                           ",
+"                        . H+H+.                           ",
+"                      . H+H+H+.                           ",
+"                    . H+H+H+H+.                           ",
+"                  . H+H+H+H+H+.                           ",
+"                . H+H+H+H+H+H+.                           ",
+"              . H+H+H+H+H+H+H+. . . . . . . . . . . .     ",
+"            . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"          . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"        . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"      . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"    . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"    . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"      . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"        . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"          . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"            . H+H+H+H+H+H+H+H+. . . . . . . . . . . .     ",
+"              . H+H+H+H+H+H+H+.                           ",
+"                . H+H+H+H+H+H+.                           ",
+"                  . H+H+H+H+H+.                           ",
+"                    . H+H+H+H+.                           ",
+"                      . H+H+H+.                           ",
+"                        . H+H+.                           ",
+"                          . H+.                           ",
+"                            . .                           ",
+"                                                          "};
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_right.xpm b/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_right.xpm
new file mode 100644
index 00000000000..22d145ace8c
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_right.xpm
@@ -0,0 +1,290 @@
+/* XPM */
+static char * arrow_01_right_xpm[] = {
+"29 30 257 2",
+"  	c None",
+". 	c #000000",
+"+ 	c #0C0C0C",
+"@ 	c #008000",
+"# 	c #808000",
+"$ 	c #000080",
+"% 	c #800080",
+"& 	c #008080",
+"* 	c #BFBFBF",
+"= 	c #0C0C0C",
+"- 	c #A4C8F0",
+"; 	c #550000",
+"> 	c #AA0000",
+", 	c #D50000",
+"' 	c #002B00",
+") 	c #552B00",
+"! 	c #802B00",
+"~ 	c #AA2B00",
+"{ 	c #D52B00",
+"] 	c #FF2B00",
+"^ 	c #005500",
+"/ 	c #555500",
+"( 	c #805500",
+"_ 	c #AA5500",
+": 	c #D55500",
+"< 	c #FF5500",
+"[ 	c #558000",
+"} 	c #AA8000",
+"| 	c #D58000",
+"1 	c #FF8000",
+"2 	c #00AA00",
+"3 	c #55AA00",
+"4 	c #80AA00",
+"5 	c #AAAA00",
+"6 	c #D5AA00",
+"7 	c #FFAA00",
+"8 	c #00D500",
+"9 	c #55D500",
+"0 	c #80D500",
+"a 	c #AAD500",
+"b 	c #D5D500",
+"c 	c #FFD500",
+"d 	c #55FF00",
+"e 	c #80FF00",
+"f 	c #AAFF00",
+"g 	c #D5FF00",
+"h 	c #000055",
+"i 	c #550055",
+"j 	c #800055",
+"k 	c #AA0055",
+"l 	c #D50055",
+"m 	c #FF0055",
+"n 	c #002B55",
+"o 	c #552B55",
+"p 	c #802B55",
+"q 	c #AA2B55",
+"r 	c #D52B55",
+"s 	c #FF2B55",
+"t 	c #005555",
+"u 	c #555555",
+"v 	c #805555",
+"w 	c #AA5555",
+"x 	c #D55555",
+"y 	c #FF5555",
+"z 	c #008055",
+"A 	c #558055",
+"B 	c #808055",
+"C 	c #AA8055",
+"D 	c #D58055",
+"E 	c #FF8055",
+"F 	c #00AA55",
+"G 	c #55AA55",
+"H 	c #80AA55",
+"I 	c #AAAA55",
+"J 	c #D5AA55",
+"K 	c #FFAA55",
+"L 	c #00D555",
+"M 	c #55D555",
+"N 	c #80D555",
+"O 	c #AAD555",
+"P 	c #D5D555",
+"Q 	c #FFD555",
+"R 	c #00FF55",
+"S 	c #55FF55",
+"T 	c #80FF55",
+"U 	c #AAFF55",
+"V 	c #D5FF55",
+"W 	c #FFFF55",
+"X 	c #550080",
+"Y 	c #AA0080",
+"Z 	c #D50080",
+"` 	c #FF0080",
+" .	c #002B80",
+"..	c #552B80",
+"+.	c #802B80",
+"@.	c #AA2B80",
+"#.	c #D52B80",
+"$.	c #FF2B80",
+"%.	c #005580",
+"&.	c #555580",
+"*.	c #805580",
+"=.	c #AA5580",
+"-.	c #D55580",
+";.	c #FF5580",
+">.	c #558080",
+",.	c #AA8080",
+"'.	c #D58080",
+").	c #FF8080",
+"!.	c #00AA80",
+"~.	c #55AA80",
+"{.	c #80AA80",
+"].	c #AAAA80",
+"^.	c #D5AA80",
+"/.	c #FFAA80",
+"(.	c #00D580",
+"_.	c #55D580",
+":.	c #80D580",
+"<.	c #AAD580",
+"[.	c #D5D580",
+"}.	c #FFD580",
+"|.	c #00FF80",
+"1.	c #55FF80",
+"2.	c #80FF80",
+"3.	c #AAFF80",
+"4.	c #D5FF80",
+"5.	c #FFFF80",
+"6.	c #0000AA",
+"7.	c #5500AA",
+"8.	c #8000AA",
+"9.	c #AA00AA",
+"0.	c #D500AA",
+"a.	c #FF00AA",
+"b.	c #002BAA",
+"c.	c #552BAA",
+"d.	c #802BAA",
+"e.	c #AA2BAA",
+"f.	c #D52BAA",
+"g.	c #FF2BAA",
+"h.	c #0055AA",
+"i.	c #5555AA",
+"j.	c #8055AA",
+"k.	c #AA55AA",
+"l.	c #D555AA",
+"m.	c #FF55AA",
+"n.	c #0080AA",
+"o.	c #5580AA",
+"p.	c #8080AA",
+"q.	c #AA80AA",
+"r.	c #D580AA",
+"s.	c #FF80AA",
+"t.	c #00AAAA",
+"u.	c #55AAAA",
+"v.	c #80AAAA",
+"w.	c #AAAAAA",
+"x.	c #D5AAAA",
+"y.	c #FFAAAA",
+"z.	c #00D5AA",
+"A.	c #55D5AA",
+"B.	c #80D5AA",
+"C.	c #AAD5AA",
+"D.	c #D5D5AA",
+"E.	c #FF8020",
+"F.	c #00FFAA",
+"G.	c #55FFAA",
+"H.	c #80FFAA",
+"I.	c #AAFFAA",
+"J.	c #D5FFAA",
+"K.	c #FFFFAA",
+"L.	c #0000D5",
+"M.	c #5500D5",
+"N.	c #8000D5",
+"O.	c #AA00D5",
+"P.	c #D500D5",
+"Q.	c #FF00D5",
+"R.	c #002BD5",
+"S.	c #552BD5",
+"T.	c #802BD5",
+"U.	c #AA2BD5",
+"V.	c #D52BD5",
+"W.	c #FF2BD5",
+"X.	c #0055D5",
+"Y.	c #5555D5",
+"Z.	c #8055D5",
+"`.	c #AA55D5",
+" +	c #D555D5",
+".+	c #FF55D5",
+"++	c #0080D5",
+"@+	c #5580D5",
+"#+	c #8080D5",
+"$+	c #AA80D5",
+"%+	c #D580D5",
+"&+	c #FF80D5",
+"*+	c #00AAD5",
+"=+	c #55AAD5",
+"-+	c #80AAD5",
+";+	c #AAAAD5",
+">+	c #D5AAD5",
+",+	c #FFAAD5",
+"'+	c #00D5D5",
+")+	c #55D5D5",
+"!+	c #80D5D5",
+"~+	c #AAD5D5",
+"{+	c #D5D5D5",
+"]+	c #FFD5D5",
+"^+	c #00FFD5",
+"/+	c #55FFD5",
+"(+	c #80FFD5",
+"_+	c #AAFFD5",
+":+	c #D5FFD5",
+"<+	c #FFFFD5",
+"[+	c #5500FF",
+"}+	c #8000FF",
+"|+	c #AA00FF",
+"1+	c #D500FF",
+"2+	c #002BFF",
+"3+	c #552BFF",
+"4+	c #802BFF",
+"5+	c #AA2BFF",
+"6+	c #D52BFF",
+"7+	c #FF2BFF",
+"8+	c #0055FF",
+"9+	c #5555FF",
+"0+	c #8055FF",
+"a+	c #AA55FF",
+"b+	c #D555FF",
+"c+	c #FF55FF",
+"d+	c #0080FF",
+"e+	c #5580FF",
+"f+	c #8080FF",
+"g+	c #AA80FF",
+"h+	c #D580FF",
+"i+	c #FF80FF",
+"j+	c #00AAFF",
+"k+	c #55AAFF",
+"l+	c #80AAFF",
+"m+	c #AAAAFF",
+"n+	c #D5AAFF",
+"o+	c #FFAAFF",
+"p+	c #00D5FF",
+"q+	c #55D5FF",
+"r+	c #80D5FF",
+"s+	c #AAD5FF",
+"t+	c #D5D5FF",
+"u+	c #FFD5FF",
+"v+	c #55FFFF",
+"w+	c #80FFFF",
+"x+	c #AAFFFF",
+"y+	c #FFFBF0",
+"z+	c #A0A0A4",
+"A+	c #808080",
+"B+	c #FF0000",
+"C+	c #00FF00",
+"D+	c #FFFF00",
+"E+	c #0000FF",
+"F+	c #FF00FF",
+"G+	c #00FFFF",
+"H+	c #FFFFFF",
+"                                                          ",
+"                          . .                             ",
+"                          . H+.                           ",
+"                          . H+H+.                         ",
+"                          . H+H+H+.                       ",
+"                          . H+H+H+H+.                     ",
+"                          . H+H+H+H+H+.                   ",
+"                          . H+H+H+H+H+H+.                 ",
+"    . . . . . . . . . . . . H+H+H+H+H+H+H+.               ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.             ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.           ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.         ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.       ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.     ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.   ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.     ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.       ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.         ",
+"  . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+.           ",
+"    . . . . . . . . . . . . H+H+H+H+H+H+H+H+.             ",
+"                          . H+H+H+H+H+H+H+.               ",
+"                          . H+H+H+H+H+H+.                 ",
+"                          . H+H+H+H+H+.                   ",
+"                          . H+H+H+H+.                     ",
+"                          . H+H+H+.                       ",
+"                          . H+H+.                         ",
+"                          . H+.                           ",
+"                          . .                             ",
+"                                                          "};
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_up.xpm b/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_up.xpm
new file mode 100644
index 00000000000..6c5f8e66c82
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_up.xpm
@@ -0,0 +1,289 @@
+/* XPM */
+static char * arrow_01_up_xpm[] = {
+"30 29 257 2",
+"  	c None",
+". 	c #000000",
+"+ 	c #0C0C0C",
+"@ 	c #008000",
+"# 	c #808000",
+"$ 	c #000080",
+"% 	c #800080",
+"& 	c #008080",
+"* 	c #BFBFBF",
+"= 	c #0C0C0C",
+"- 	c #A4C8F0",
+"; 	c #550000",
+"> 	c #AA0000",
+", 	c #D50000",
+"' 	c #002B00",
+") 	c #552B00",
+"! 	c #802B00",
+"~ 	c #AA2B00",
+"{ 	c #D52B00",
+"] 	c #FF2B00",
+"^ 	c #005500",
+"/ 	c #555500",
+"( 	c #805500",
+"_ 	c #AA5500",
+": 	c #D55500",
+"< 	c #FF5500",
+"[ 	c #558000",
+"} 	c #AA8000",
+"| 	c #D58000",
+"1 	c #FF8000",
+"2 	c #00AA00",
+"3 	c #55AA00",
+"4 	c #80AA00",
+"5 	c #AAAA00",
+"6 	c #D5AA00",
+"7 	c #FFAA00",
+"8 	c #00D500",
+"9 	c #55D500",
+"0 	c #80D500",
+"a 	c #AAD500",
+"b 	c #D5D500",
+"c 	c #FFD500",
+"d 	c #55FF00",
+"e 	c #80FF00",
+"f 	c #AAFF00",
+"g 	c #D5FF00",
+"h 	c #000055",
+"i 	c #550055",
+"j 	c #800055",
+"k 	c #AA0055",
+"l 	c #D50055",
+"m 	c #FF0055",
+"n 	c #002B55",
+"o 	c #552B55",
+"p 	c #802B55",
+"q 	c #AA2B55",
+"r 	c #D52B55",
+"s 	c #FF2B55",
+"t 	c #005555",
+"u 	c #555555",
+"v 	c #805555",
+"w 	c #AA5555",
+"x 	c #D55555",
+"y 	c #FF5555",
+"z 	c #008055",
+"A 	c #558055",
+"B 	c #808055",
+"C 	c #AA8055",
+"D 	c #D58055",
+"E 	c #FF8055",
+"F 	c #00AA55",
+"G 	c #55AA55",
+"H 	c #80AA55",
+"I 	c #AAAA55",
+"J 	c #D5AA55",
+"K 	c #FFAA55",
+"L 	c #00D555",
+"M 	c #55D555",
+"N 	c #80D555",
+"O 	c #AAD555",
+"P 	c #D5D555",
+"Q 	c #FFD555",
+"R 	c #00FF55",
+"S 	c #55FF55",
+"T 	c #80FF55",
+"U 	c #AAFF55",
+"V 	c #D5FF55",
+"W 	c #FFFF55",
+"X 	c #550080",
+"Y 	c #AA0080",
+"Z 	c #D50080",
+"` 	c #FF0080",
+" .	c #002B80",
+"..	c #552B80",
+"+.	c #802B80",
+"@.	c #AA2B80",
+"#.	c #D52B80",
+"$.	c #FF2B80",
+"%.	c #005580",
+"&.	c #555580",
+"*.	c #805580",
+"=.	c #AA5580",
+"-.	c #D55580",
+";.	c #FF5580",
+">.	c #558080",
+",.	c #AA8080",
+"'.	c #D58080",
+").	c #FF8080",
+"!.	c #00AA80",
+"~.	c #55AA80",
+"{.	c #80AA80",
+"].	c #AAAA80",
+"^.	c #D5AA80",
+"/.	c #FFAA80",
+"(.	c #00D580",
+"_.	c #55D580",
+":.	c #80D580",
+"<.	c #AAD580",
+"[.	c #D5D580",
+"}.	c #FFD580",
+"|.	c #00FF80",
+"1.	c #55FF80",
+"2.	c #80FF80",
+"3.	c #AAFF80",
+"4.	c #D5FF80",
+"5.	c #FFFF80",
+"6.	c #0000AA",
+"7.	c #5500AA",
+"8.	c #8000AA",
+"9.	c #AA00AA",
+"0.	c #D500AA",
+"a.	c #FF00AA",
+"b.	c #002BAA",
+"c.	c #552BAA",
+"d.	c #802BAA",
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index 00000000000..c5df09e77b0
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/images/button_solid.xpm
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index 00000000000..e7ac0b66f08
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/images/button_wire.xpm
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index 00000000000..023ab24a574
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/images/d_solid_b.xpm
@@ -0,0 +1,286 @@
+/* XPM */
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+", - & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & z+  ",
+", - & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & z+  ",
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+"                                                                        "};
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/images/d_wire_b.gif b/Circular_kernel_3/demo/Circular_kernel_3/images/d_wire_b.gif
new file mode 100644
index 00000000000..c5c3acc8845
Binary files /dev/null and b/Circular_kernel_3/demo/Circular_kernel_3/images/d_wire_b.gif differ
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/images/d_wire_b.xpm b/Circular_kernel_3/demo/Circular_kernel_3/images/d_wire_b.xpm
new file mode 100644
index 00000000000..5b2cd1cc037
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/images/d_wire_b.xpm
@@ -0,0 +1,286 @@
+/* XPM */
+static char * d_wire_b_xpm[] = {
+"36 34 249 2",
+"  	c #000000",
+". 	c #800000",
+"+ 	c #008000",
+"@ 	c #808000",
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+", - & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & z+  ",
+", - & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & z+  ",
+", - & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & z+  ",
+", - & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & & z+  ",
+", z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+z+  ",
+"                                                                        "};
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/images/zoom_in.xpm b/Circular_kernel_3/demo/Circular_kernel_3/images/zoom_in.xpm
new file mode 100644
index 00000000000..ea71c6f2a46
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/images/zoom_in.xpm
@@ -0,0 +1,129 @@
+/* XPM */
+static char * zoom_in_xpm[] = {
+"16 16 110 2",
+"  	c None",
+". 	c #000000",
+"+ 	c #B7B7B7",
+"@ 	c #090909",
+"# 	c #060606",
+"$ 	c #CFCFFF",
+"% 	c #F0F0F0",
+"& 	c #4E4E5B",
+"* 	c #ECECEF",
+"= 	c #6C6CFF",
+"- 	c #D7D7FF",
+"; 	c #EDEDEF",
+"> 	c #CDCDFF",
+", 	c #7A7AAE",
+"' 	c #6E6EFF",
+") 	c #D5D5FF",
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+"~ 	c #6B6B73",
+"{ 	c #F9F9F9",
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+": 	c #C0C0F0",
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+"` 	c #6B6B75",
+" .	c #DBDBF0",
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+"                      + # . @ ;.",
+"                        + # . m ",
+"                          +.n L "};
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/images/zoom_out.xpm b/Circular_kernel_3/demo/Circular_kernel_3/images/zoom_out.xpm
new file mode 100644
index 00000000000..f73084de23d
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/images/zoom_out.xpm
@@ -0,0 +1,133 @@
+/* XPM */
+static char * zoom_out_xpm[] = {
+"16 16 114 2",
+"  	c None",
+". 	c #000000",
+"+ 	c #B7B7B7",
+"@ 	c #060606",
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+";.	c #EDEDEF",
+">.	c #9C9C9C",
+",.	c #28286D",
+"'.	c #A4A4AA",
+").	c #6E6EFB",
+"!.	c #7979FF",
+"~.	c #ADADFF",
+"{.	c #6565F9",
+"].	c #8787BE",
+"^.	c #25255D",
+"/.	c #6464FF",
+"    _ ` q ,  .< N $             ",
+"  z { ^ R v F *.e d y           ",
+": Y l n 3 w C 8 $.[ ( f         ",
+"'.K / ! > $ $ 7 i Z J %.        ",
+"@.O s '         -.) M ..        ",
+"= #.. . . . . . . . ).=.        ",
+"* x . . . . . . . . {.^.        ",
+"g G & &.        % Q p a         ",
+"D +.~.m o ~   % A 5 j B         ",
+";.1 T 9 E - !.] /.L ,.h         ",
+"  P 2 } r b 0 V W X S # +       ",
+"    ; k I t | U ].4 @ . # +     ",
+"                    + @ . # +   ",
+"                      + @ . # H ",
+"                        + @ . c ",
+"                          6 u >."};
diff --git a/Circular_kernel_3/demo/Circular_kernel_3/makefile b/Circular_kernel_3/demo/Circular_kernel_3/makefile
new file mode 100644
index 00000000000..c396b125160
--- /dev/null
+++ b/Circular_kernel_3/demo/Circular_kernel_3/makefile
@@ -0,0 +1,66 @@
+# Created by the script create_makefile
+# This is the makefile for compiling a CGAL application.
+
+#---------------------------------------------------------------------#
+#                    include platform specific settings
+#---------------------------------------------------------------------#
+# Choose the right include file from the <cgalroot>/make directory.
+
+# CGAL_MAKEFILE = ENTER_YOUR_INCLUDE_MAKEFILE_HERE
+include $(CGAL_MAKEFILE)
+
+#---------------------------------------------------------------------#
+#                    compiler flags
+#---------------------------------------------------------------------#
+
+CXXFLAGS = \
+           -I/user/pmachado/home/CGAL_I/include \
+           -I../../include\
+           -I../../../Algebraic_kernel_for_spheres/include \
+	   -I/user/pmachado/home/freeglut-2.4.0/include \
+	   -Winline \
+           $(CGAL_CXXFLAGS) \
+           $(LONG_NAME_PROBLEM_CXXFLAGS)
+
+#---------------------------------------------------------------------#
+#                    linker flags
+#---------------------------------------------------------------------#
+
+LIBPATH = \
+          $(CGAL_LIBPATH) \
+	  -L/usr/X11R6/lib \
+	  -L/user/pmachado/home/freeglut-2.4.0/src/.libs/
+
+LDFLAGS = \
+          $(LONG_NAME_PROBLEM_LDFLAGS) \
+          $(CGAL_LDFLAGS) \
+	  $(CGAL_QT_LDFLAGS) \
+	   -lgmpxx -lmpfr -lX11 -lXi -lXmu -lglut -lGL -lGLU -lm 
+
+#---------------------------------------------------------------------#
+#                    target entries
+#---------------------------------------------------------------------#
+
+all: \
+	demo_circle$(EXE_EXT) 
+
+
+%.moc : %.h
+	${QT_MOC} -o $@ $<;
+
+demo_circle.o : demo_circle.C demo_circle.h demo_circle.moc
+
+% : %.o %.moc
+	$(CGAL_CXX) $(LIBPATH) $(EXE_OPT) $@ $< $(LDFLAGS)
+
+clean : \
+	demo_circle.clean
+
+
+#---------------------------------------------------------------------#
+#                    suffix rules
+#---------------------------------------------------------------------#
+
+.C$(OBJ_EXT):
+	$(CGAL_CXX) $(CXXFLAGS) $(OBJ_OPT) $<
+