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New demo for CK3 using libQGLviewer

This commit is contained in:
Sébastien Loriot 2010-01-18 15:04:21 +00:00
parent 593e6cedc5
commit 2c90de93ed
27 changed files with 221 additions and 2607 deletions
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11
.gitattributes vendored
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@ -1091,15 +1091,8 @@ Circular_kernel_2/include/CGAL/global_functions_circular_kernel_2.h -text
Circular_kernel_2/test/Circular_kernel_2/test_Circular_kernel_basic.cpp -text
Circular_kernel_2/test/Circular_kernel_2/test_Exact_circular_kernel_basic.cpp -text
Circular_kernel_3/changes -text
Circular_kernel_3/demo/Circular_kernel_3/images/button_axis.gif -text svneol=unset#image/gif
Circular_kernel_3/demo/Circular_kernel_3/images/button_light.gif -text svneol=unset#image/gif
Circular_kernel_3/demo/Circular_kernel_3/images/button_line.gif -text svneol=unset#image/gif
Circular_kernel_3/demo/Circular_kernel_3/images/button_pivot.gif -text svneol=unset#image/gif
Circular_kernel_3/demo/Circular_kernel_3/images/button_solid.gif -text svneol=unset#image/gif
Circular_kernel_3/demo/Circular_kernel_3/images/button_texture.gif -text svneol=unset#image/gif
Circular_kernel_3/demo/Circular_kernel_3/images/button_wire.gif -text svneol=unset#image/gif
Circular_kernel_3/demo/Circular_kernel_3/images/d_solid_b.gif -text svneol=unset#image/gif
Circular_kernel_3/demo/Circular_kernel_3/images/d_wire_b.gif -text svneol=unset#image/gif
Circular_kernel_3/demo/Circular_kernel_3/Viewer.cpp -text
Circular_kernel_3/demo/Circular_kernel_3/Viewer.h -text
Circular_kernel_3/doc_tex/Circular_kernel_3/def_circles_extreme_pt.pdf -text
Circular_kernel_3/doc_tex/Circular_kernel_3/def_circles_extreme_pt.png -text
Circular_kernel_3/doc_tex/Circular_kernel_3/def_meridian.pdf -text

70
Circular_kernel_3/demo/Circular_kernel_3/CMakeLists.txt
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@ -1,54 +1,42 @@
# Created by the script cgal_create_cmake_script
# This is the CMake script for compiling a CGAL application.
project (Circular_kernel_3)
project( Circular_kernel_3_demo )
CMAKE_MINIMUM_REQUIRED(VERSION 2.4.5)
cmake_minimum_required(VERSION 2.4.5)
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
if ( COMMAND cmake_policy )
cmake_policy( SET CMP0003 NEW )
endif()
find_package(CGAL COMPONENTS Core Qt3 )
find_package(CGAL COMPONENTS Qt4)
include(${CGAL_USE_FILE})
if ( CGAL_FOUND )
set( QT_USE_QTXML TRUE )
set( QT_USE_QTMAIN TRUE )
set( QT_USE_QTSCRIPT TRUE )
set( QT_USE_QTOPENGL TRUE )
find_package(Qt4)
include( ${CGAL_USE_FILE} )
find_package(Qt3-patched )
# FindQt3-patched.cmake is FindQt3.cmake patched by CGAL developers, so
# that it can be used together with FindQt4: all its variables are prefixed
# by "QT3_" instead of "QT_".
if(CGAL_Qt3_FOUND AND QT3_FOUND)
include( Qt3Macros-patched )
qt3_automoc( Circular_kernel_3.cpp )
find_package(OpenGL)
find_package(QGLViewer)
# Make sure the compiler can find generated .moc files
include_directories(BEFORE ${CMAKE_CURRENT_BINARY_DIR})
include_directories( ${QT3_INCLUDE_DIR} )
if ( CGAL_FOUND AND CGAL_Qt4_FOUND AND QT4_FOUND AND OPENGL_FOUND AND QGLVIEWER_FOUND )
include(${QT_USE_FILE})
include_directories (${QGLVIEWER_INCLUDE_DIR})
include_directories (BEFORE ../../include ./ )
add_executable ( Circular_kernel_3 Circular_kernel_3.cpp Viewer.cpp )
add_to_cached_list( CGAL_EXECUTABLE_TARGETS Alpha_shape_3 )
target_link_libraries( Circular_kernel_3 ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_LIBRARIES})
target_link_libraries( Circular_kernel_3 ${QT_LIBRARIES} ${QGLVIEWER_LIBRARIES} )
target_link_libraries( Circular_kernel_3 ${OPENGL_gl_LIBRARY} ${OPENGL_glu_LIBRARY} )
add_executable (Circular_kernel_3 Circular_kernel_3.cpp)
add_to_cached_list( CGAL_EXECUTABLE_TARGETS Circular_kernel_3 )
# Link the executable to CGAL and third-party libraries
target_link_libraries(Circular_kernel_3 ${QT3_LIBRARIES} ${CGAL_LIBRARIES} ${CGAL_3RD_PARTY_LIBRARIES} )
else()
message(STATUS "NOTICE: This demo requires Qt3 and the CGAL Qt3 library, and will not be compiled.")
endif()
else()
message(STATUS "NOTICE: This demo requires the CGAL library, and will not be compiled.")
endif()
message(STATUS "NOTICE: This demo requires CGAL, the QGLViewer, OpenGL and Qt4, and will not be compiled.")
endif()

52
Circular_kernel_3/demo/Circular_kernel_3/Circular_kernel_3.cpp
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@ -1,40 +1,24 @@
// Copyright (c) 2008 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// $URL
// $Id
//
// Author(s) : Monique Teillaud, Sylvain Pion, Pedro Machado,
// Julien Hazebrouck, Damien Leroy
#include "Viewer.h"
#include <qapplication.h>
// Partially supported by the IST Programme of the EU as a
// STREP (FET Open) Project under Contract No IST-006413
// (ACS -- Algorithms for Complex Shapes)
int main(int argc, char** argv)
{
// Read command lines arguments.
QApplication application(argc,argv);
#include <CGAL/basic.h>
// Instantiate the viewer.
Viewer viewer;
#include "Circular_kernel_3.moc"
#if QT_VERSION < 0x040000
// Set the viewer as the application main widget.
application.setMainWidget(&viewer);
#else
viewer.setWindowTitle("Intersection points of randomly generated circles.");
#endif
int main (int argc, char** argv) {
QApplication app(argc, argv);
MyWindow *windows = new MyWindow(1100, 1100);
// Make the viewer window visible on screen.
viewer.show();
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();
// Run main loop.
return application.exec();
}

375
Circular_kernel_3/demo/Circular_kernel_3/Circular_kernel_3.h
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@ -1,375 +0,0 @@
// Copyright (c) 2008 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// $URL
// $Id
//
// Author(s) : Monique Teillaud, Sylvain Pion, Pedro Machado,
// Julien Hazebrouck, Damien Leroy
// Partially supported by the IST Programme of the EU as a
// STREP (FET Open) Project under Contract No IST-006413
// (ACS -- Algorithms for Complex Shapes)
#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 <cmath>
#include <cstdio>
#include <cstdlib>
//#include <unistd.h> // Header File For sleeping.
#include <vector>
// INCLUDES D'OPENGL
//#include <GL/glut.h> // Header File For The GLUT Library
#include <CGAL/gl.h> // Header File For The OpenGL32 Library
#include <CGAL/glu.h> // Header File For The GLu32 Library
#include <CGAL/Cartesian.h>
#include <CGAL/Algebraic_kernel_for_spheres_2_3.h>
#include <CGAL/Spherical_kernel_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++) {
CGAL::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, "Demo Circle 3D");
this->setCentralWidget(wGL);
this->setCaption("Demo Circle 3D");
//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
};

6
Circular_kernel_3/demo/Circular_kernel_3/README
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@ -1,6 +0,0 @@
To compile this demo you need to have an OpenGL library, like:
freeglut-2.4.0
You have to set the option:
-I{your OpenGL folder}/freeglut-2.4.0/include (to compile) [The include files]
-L{your OpenGL folder}/freeglut-2.4.0/src/.libs/ (to link) [The lib files]

155
Circular_kernel_3/demo/Circular_kernel_3/Viewer.cpp Normal file
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#include "Viewer.h"
#include <CGAL/point_generators_3.h>
#include <CGAL/squared_distance_3.h>
#include <CGAL/Exact_spherical_kernel_3.h>
#include <vector>
template <class Kernel>
void Viewer::draw_circle_on_unit_sphere(const typename CGAL::Point_3<Kernel>& center) const {
const typename Kernel::Point_3 origin(0,0,0);
const typename Kernel::Plane_3 plane(center, center-origin);
typename Kernel::Vector_3 base1=plane.base1();
typename Kernel::Vector_3 base2=plane.base2();
base1=base1/CGAL::sqrt(base1.squared_length());
base2=base2/CGAL::sqrt(base2.squared_length());
const double radius=CGAL::sqrt( CGAL::to_double( 1 - CGAL::squared_distance(origin,center) ) );
const double nb_pt_per_circle=100;
const double step=2 * CGAL_PI / nb_pt_per_circle;
::glDisable(GL_LIGHTING);
::glBegin(GL_LINE_LOOP);
for (double theta = 0; theta < 2 * CGAL_PI ; theta += step) {
const typename Kernel::Point_3 point=center + ( radius*cos(theta)*base1 + radius*sin(theta)*base2 );
::glVertex3f( point.x(),point.y(),point.z() );
}
::glEnd();
::glEnable(GL_LIGHTING);
}
void Viewer::draw()
{
const int sphere_res=30;
//draw central sphere
::glPushMatrix();
::glColor3f(1,1,1);
::gluSphere(qsphere,0.999,sphere_res,sphere_res);
::glCallList(dl_nb);
::glCallList(dl_nb+1);
::glPopMatrix();
}
void Viewer::init()
{
// Restore previous viewer state.
restoreStateFromFile();
//init quadric to store sphere.
qsphere=gluNewQuadric();
gluQuadricOrientation(qsphere,GLU_OUTSIDE);
//code for antialiasing
::glEnable(GL_BLEND);
::glEnable(GL_LINE_SMOOTH);
::glEnable(GL_POINT_SMOOTH);
::glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
//set intersection point size
::glPointSize(5);
//random generator of points within a sphere
typedef CGAL::Creator_uniform_3<EPIC::FT,EPIC::Point_3> Creator;
CGAL::Random_points_in_sphere_3<EPIC::Point_3, Creator> gen;
const unsigned nb_circles=20;
//vector to store input points
std::vector<EPIC::Point_3> points;
points.reserve(nb_circles);
//disable lighting before drawing segments and points
::glEnable(GL_LIGHTING);
//init call lists
dl_nb=::glGenLists(2);
//store circles in a display list
::glNewList(dl_nb,GL_COMPILE);
::glColor3f(1,0,0);
for (unsigned i=0;i<nb_circles;++i){
EPIC::Point_3 p=*++gen;
//prevent great circles
while (p.x()==0 && p.y()==0 && p.z()==0) { p=*++gen; }
draw_circle_on_unit_sphere(p);
points.push_back(p);
}
::glEndList();
std::vector<EPIC::Point_3> intersections;
naive_compute_intersection_points(points,std::back_inserter(intersections));
::glNewList(dl_nb+1,GL_COMPILE);
::glColor3f(0,1,0);
//draw points as small spheres
for (std::vector<EPIC::Point_3>::const_iterator it=intersections.begin();it!=intersections.end();++it){
glPushMatrix();
glTranslatef(it->x(),it->y(),it->z());
gluSphere(qsphere,0.005,10,10);
glPopMatrix();
}
::glEndList();
//lighting
::glEnable(GL_LIGHT0);
::glEnable(GL_LIGHTING);
float lpos[4] = { -.2f, .2f, .9797958971f, 0.0f };
::glLightfv(GL_LIGHT0,GL_POSITION,lpos);
::glLightModelf(GL_LIGHT_MODEL_TWO_SIDE, 1.0f);
::glEnable(GL_NORMALIZE);
::glShadeModel(GL_SMOOTH);
}
template<class Output_iterator>
void Viewer::naive_compute_intersection_points(const std::vector<EPIC::Point_3>& points,Output_iterator out) const {
typedef CGAL::Exact_spherical_kernel_3 SK;
SK::Sphere_3 sphere(SK::Point_3(0,0,0),1);
//converter point to exact SK point type
CGAL::Cartesian_converter<EPIC,SK> to_exact;
std::vector<SK::Circle_3> circles;
//create circles from points: need to use a converter to change floating points coordinates into an exact NT.
for (std::vector<EPIC::Point_3>::const_iterator it=points.begin();it!=points.end();++it){
const SK::Point_3 center=to_exact(*it);
circles.push_back( SK::Circle_3(sphere,SK::Plane_3(center,center-CGAL::ORIGIN) ) );
}
//Look for intersection points among pair of circles: use a naive and quadratic way
for (std::vector<SK::Circle_3>::const_iterator it_f=circles.begin();it_f!=--circles.end();++it_f){
std::vector<SK::Circle_3>::const_iterator it_s=it_f;
++it_s;
for (;it_s!=circles.end();++it_s){
std::vector <CGAL::Object> intersections;
//ensure_circles are different
CGAL_precondition(*it_s!=*it_f);
CGAL::intersection(*it_f,*it_s,std::back_inserter(intersections));
if (!intersections.empty()){
for (std::vector <CGAL::Object>::const_iterator it_pt=intersections.begin();it_pt!=intersections.end();++it_pt){
const std::pair<SK::Circular_arc_point_3,unsigned>* pt=
CGAL::object_cast< std::pair<SK::Circular_arc_point_3,unsigned> > (&(*it_pt));
assert(pt!=NULL);
*out++=EPIC::Point_3( CGAL::to_double(pt->first.x()),
CGAL::to_double(pt->first.y()),
CGAL::to_double(pt->first.z())
);
}
}
}
}
}

17
Circular_kernel_3/demo/Circular_kernel_3/Viewer.h Normal file
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@ -0,0 +1,17 @@
#include <QGLViewer/qglviewer.h>
#include <CGAL/Exact_predicates_inexact_constructions_kernel.h>
typedef CGAL::Exact_predicates_inexact_constructions_kernel EPIC;
class Viewer : public QGLViewer
{
GLUquadricObj *qsphere;
GLuint dl_nb;
protected :
virtual void draw();
virtual void init();
template <class Kernel>
void draw_circle_on_unit_sphere(const typename CGAL::Point_3<Kernel>&) const;
template<class Output_iterator>
void naive_compute_intersection_points(const std::vector<EPIC::Point_3>&,Output_iterator) const;
};

289
Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_down.xpm
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@ -1,289 +0,0 @@
/* XPM */
static const char * arrow_01_down_xpm[] = {
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290
Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_left.xpm
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@ -1,290 +0,0 @@
/* XPM */
static const char * arrow_01_left_xpm[] = {
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290
Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_right.xpm
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@ -1,290 +0,0 @@
/* XPM */
static const char * arrow_01_right_xpm[] = {
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289
Circular_kernel_3/demo/Circular_kernel_3/images/arrow_01_up.xpm
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@ -1,289 +0,0 @@
/* XPM */
static const char * arrow_01_up_xpm[] = {
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" . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+. ",
" . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+. ",
" . H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+H+. ",
" . . . . . . . . H+H+H+H+H+H+H+H+H+H+H+. . . . . . . . . ",
" . H+H+H+H+H+H+H+H+H+H+H+. ",
" . H+H+H+H+H+H+H+H+H+H+H+. ",
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" . H+H+H+H+H+H+H+H+H+H+H+. ",
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" . H+H+H+H+H+H+H+H+H+H+H+. ",
" . . . . . . . . . . . ",
" "};

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Circular_kernel_3/demo/Circular_kernel_3/images/button_axis.gif
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Circular_kernel_3/demo/Circular_kernel_3/images/button_light.gif
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Circular_kernel_3/demo/Circular_kernel_3/images/button_line.gif
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Circular_kernel_3/demo/Circular_kernel_3/images/button_pivot.gif
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Circular_kernel_3/demo/Circular_kernel_3/images/button_solid.gif
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35
Circular_kernel_3/demo/Circular_kernel_3/images/button_solid.xpm
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@ -1,35 +0,0 @@
/* XPM */
static const char * button_solid_xpm[] = {
"28 27 5 1",
" c None",
". c #000000",
"+ c #848684",
"@ c #737173",
"# c #525152",
" .... ",
" ....++++.. ",
" ....++++++++++... ",
" ....+++++++++++++++++... ",
"..++++++++++++++++++++++++..",
".@..+++++++++++++++++++++...",
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" ..@@.#... ",
" .... "};

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Circular_kernel_3/demo/Circular_kernel_3/images/button_texture.gif
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Circular_kernel_3/demo/Circular_kernel_3/images/button_wire.gif
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32
Circular_kernel_3/demo/Circular_kernel_3/images/button_wire.xpm
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@ -1,32 +0,0 @@
/* XPM */
static const char * button_wire_xpm[] = {
"28 27 2 1",
" c None",
". c #000000",
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" .... . ... ",
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133
Circular_kernel_3/demo/Circular_kernel_3/images/zoom_out.xpm
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@ -1,133 +0,0 @@
/* XPM */
static const char * zoom_out_xpm[] = {
"16 16 114 2",
" c None",
". c #000000",
"+ c #B7B7B7",
"@ c #060606",
"# c #090909",
"$ c #FDFDFF",
"% c #CFCFFF",
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"- c #8383FF",
"; c #ECECEF",
"> c #E9E9FF",
", c #555566",
"' c #EBEBFF",
") c #8282FF",
"! c #CDCDFF",
"~ c #FEFEFF",
"{ c #686871",
"] c #6E6EFF",
"^ c #8B8BA1",
"/ c #D8D8FF",
"( c #464673",
"_ c #FBFBFB",
": c #F9F9F9",
"< c #6F6F8B",
"[ c #6565AE",
"} c #6161AC",
"| c #2C2C6A",
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"O c #C0C0E1",
"P c #CECED6",
"Q c #6969FF",
"R c #B3B3D8",
"S c #030314",
"T c #8080C6",
"U c #464686",
"V c #5454D0",
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"` c #AEAEB6",
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": Y l n 3 w C 8 $.[ ( f ",
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"@.O s ' -.) M .. ",
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"* 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 # + ",
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83
Circular_kernel_3/include/CGAL/IO/Spherical_circle_gl.h
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@ -1,83 +0,0 @@
// Copyright (c) 2005-2006 INRIA Sophia-Antipolis (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public License as
// published by the Free Software Foundation; version 2.1 of the License.
// See the file LICENSE.LGPL distributed with CGAL.
//
// Licensees holding a valid commercial license may use this file in
// accordance with the commercial license agreement provided with the software.
//
// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
//
// Partially supported by the IST Programme of the EU as a Shared-cost
// RTD (FET Open) Project under Contract No IST-2000-26473
// (ECG - Effective Computational Geometry for Curves and Surfaces)
// and a STREP (FET Open) Project under Contract No IST-006413
// (ACS -- Algorithms for Complex Shapes)
//
// $URL$
// $Id$
//
// Author(s) : Monique Teillaud <Monique.Teillaud@sophia.inria.fr>
// Sylvain Pion
// Julien Hazebrouck
// Damien Leroy
#ifndef CGAL_SPHERICAL_CIRCLE_GL__H
#define CGAL_SPHERICAL_CIRCLE_GL__H
#include <cmath>
namespace CGAL {
#define COLOR_POINT(p) glColor3f(abs(p.x()),abs(p.y()),abs(p.z()))
#define AFFICHER_POINT_CONTOUR(p) COLOR_POINT(p),glVertex3f(CGAL::to_double(p.x()),CGAL::to_double(p.y()),CGAL::to_double(p.z()))
#define TRACE_SEGMENT(p1,p2) AFFICHER_POINT_CONTOUR(p1),AFFICHER_POINT_CONTOUR(p2)
#define COLOR_ROUGE glColor3f(1.0, 0.0, 0.0)
#define COLOR_POINT(p) glColor3f(abs(p.x()),abs(p.y()),abs(p.z()))
#define IMPRIMER_POINT(n,p) std::cout << n << " = (" << p.x() << ", " << p.y() << ", " << p.z() << ")" << std::endl
#define VECTOR_LENGTH(v) sqrt((v.x()*v.x())+(v.y()*v.y())+(v.z()*v.z()))
/**
* Function drawing the contour of the 3D circle passed as argument with the desired precision.
*/
template <class SK>
void dessiner_spherical_circle (const typename SK::Circle_3& circle, int precision) {
typedef typename SK::Point_3 Point_3;
typedef typename SK::Vector_3 Vector_3;
typedef typename SK::Has_on_3 Has_on_3;
const Point_3& centre = circle.center();
//IMPRIMER_POINT("centre", centre);
Vector_3 u = circle.supporting_plane().base1();
u = u / VECTOR_LENGTH(u);
//IMPRIMER_POINT("u", u);
Vector_3 v = circle.supporting_plane().base2();
v = v / VECTOR_LENGTH(v);
//IMPRIMER_POINT("v", v);
double rayon = sqrt(CGAL::to_double(circle.squared_radius()));
double pas = 2 * CGAL_PI / precision;
glLineWidth(5.0);
glDisable(GL_LIGHTING); // desactive la gestion de la lumiere
Point_3 pprec = centre + rayon * u;
Point_3 pcour;
glBegin(GL_LINES);
COLOR_ROUGE;
for (double theta = pas; theta < 2 * CGAL_PI + pas; theta = theta + pas) {
pcour = Point_3(
centre.x() + rayon * (u.x() * cos(theta) + v.x() * sin(theta)),
centre.y() + rayon * (u.y() * cos(theta) + v.y() * sin(theta)),
centre.z() + rayon * (u.z() * cos(theta) + v.z() * sin(theta))
);
TRACE_SEGMENT(pprec, pcour);
pprec = pcour;
}
glEnd();
}
}
#endif // CGAL_SPHERICAL_CIRCLE_GL__H