Scene_interface::Bbox
Scene_polylines_item::bbox() const {
if(isEmpty())
return Bbox();
std::list<Point_3> boxes;
for(std::list<std::vector<Point_3> >::const_iterator it = polylines.begin();
it != polylines.end();
++it){
if(it->begin() != it->end()) {
Iso_cuboid_3 cub = CGAL::bounding_box(it->begin(), it->end());
boxes.push_back((cub.min)());
boxes.push_back((cub.max)());
}
}
Iso_cuboid_3 bbox =
boxes.begin() != boxes.end() ?
CGAL::bounding_box(boxes.begin(), boxes.end()) :
Iso_cuboid_3();
return Bbox(bbox.xmin(),
bbox.ymin(),
bbox.zmin(),
bbox.xmax(),
bbox.ymax(),
bbox.zmax());
}
void
Viewer::sceneChanged()
{
Iso_cuboid_3 bb = CGAL::bounding_box(scene->points.begin(), scene->points.end());
this->camera()->setSceneBoundingBox(qglviewer::Vec(bb.xmin(), bb.ymin(), bb.zmin()),
qglviewer::Vec(bb.xmax(),
bb.ymax(),
bb.zmax()));
this->showEntireScene();
}
void
MainWindow::loadPoints()
{
QString fileName = QFileDialog
::getOpenFileName(this, tr("Open point set"),
".", tr("All files (*)"));
if(fileName.isEmpty()) return;
std::ifstream ifs(fileName.toLatin1().data() );
scene.points.clear();
Iso_cuboid_3 dom;
ifs >> dom;
std::copy(std::istream_iterator<Point_3>(ifs),
std::istream_iterator<Point_3>(),
std::back_inserter(scene.points));
scene.periodic_triangulation.set_domain(dom);
scene.periodic_triangulation.insert(scene.points.begin(), scene.points.end());
FT cx(0),cy(0),cz(0);
for (int i=0 ; i<8 ; i++) {
cx += dom[i].x();
cy += dom[i].y();
cy += dom[i].y();
}
qglviewer::Vec center(cx/8.,cy/8.,cz/8.);
viewer->setSceneCenter(center);
viewer->setSceneRadius(std::sqrt(
((dom.xmax()-dom.xmin())*(dom.xmax()-dom.xmin()))
+ ((dom.xmax()-dom.xmin())*(dom.xmax()-dom.xmin()))
+ ((dom.xmax()-dom.xmin())*(dom.xmax()-dom.xmin()))));
speedSlider->setRange(0,100);
speedSlider->setSliderPosition(100);
emit (sceneChanged());
}
double zmax(Iso_cuboid_3 cuboid){ return CGAL::to_double(cuboid.zmax());}
double ymin(Iso_cuboid_3 cuboid){ return CGAL::to_double(cuboid.ymin());}
void Viewer::compute_elements()
{
//glColor3f(1.0f, 0.72f, 0.06f);
pos_points.resize(0);
pos_lines.resize(0);
pos_8lines.resize(0);
pos_8lines2D.resize(0);
for(Periodic_point_iterator ppit
= scene->periodic_triangulation.periodic_points_begin(
P3DT3::UNIQUE) ;
ppit != scene->periodic_triangulation.periodic_points_end(P3DT3::UNIQUE);
++ppit){
Point_3 p(scene->periodic_triangulation.point(*ppit));
pos_points.push_back(p.x()); pos_points.push_back(p.y()); pos_points.push_back(p.z());
}
//glColor3f(0.27f, 0.51f, 0.7f);
for (Periodic_triangle_iterator ptit
= scene->periodic_triangulation.periodic_triangles_begin(
P3DT3::UNIQUE);
ptit != scene->periodic_triangulation.periodic_triangles_end(
P3DT3::UNIQUE);
++ptit) {
for (int i=0 ; i<4 ; i++) {
Segment_3 dual = scene->periodic_triangulation.construct_segment(
scene->periodic_triangulation.dual(*(ptit.get_facet())));
FT sz = dual.source().z();
FT tz = dual.target().z();
if (scene->two_dimensional && ((sz-tz > 0.5) || (sz-tz < -0.5))) continue;
if (scene->two_dimensional) { sz = 0.; tz = 0.; }
FT sx = dual.source().x();
FT tx = dual.target().x();
FT sy = dual.source().y();
FT ty = dual.target().y();
pos_lines.push_back(sx); pos_lines.push_back(sy); pos_lines.push_back(sz);
pos_lines.push_back(tx); pos_lines.push_back(ty); pos_lines.push_back(tz);
Iso_cuboid_3 d = scene->periodic_triangulation.domain();
pos_8lines2D.push_back(sx+0.); pos_8lines2D.push_back(sy+d.ymax()-d.ymin()); pos_8lines2D.push_back(sz+0.);
pos_8lines2D.push_back(tx+0.); pos_8lines2D.push_back(ty+d.ymax()-d.ymin()); pos_8lines2D.push_back(tz+0.);
pos_8lines2D.push_back(sx+d.xmax()-d.xmin()); pos_8lines2D.push_back(sy+0.); pos_8lines2D.push_back(sz+0.);
pos_8lines2D.push_back(tx+d.xmax()-d.xmin()); pos_8lines2D.push_back(ty+0.); pos_8lines2D.push_back(tz+0.);
pos_8lines2D.push_back(sx+d.xmax()-d.xmin()); pos_8lines2D.push_back(sy+d.ymax()-d.ymin()); pos_8lines2D.push_back(sz+0.);
pos_8lines2D.push_back(tx+d.xmax()-d.xmin()); pos_8lines2D.push_back(ty+d.ymax()-d.ymin()); pos_8lines2D.push_back(tz+0.);
pos_8lines.push_back(sx+0.); pos_8lines.push_back(sy+0.); pos_8lines.push_back(sz+d.zmax()-d.zmin());
pos_8lines.push_back(tx+0.); pos_8lines.push_back(ty+0.); pos_8lines.push_back(tz+d.zmax()-d.zmin());
pos_8lines.push_back(sx+0.); pos_8lines.push_back(sy+d.ymax()-d.ymin()); pos_8lines.push_back(sz+d.zmax()-d.zmin());
pos_8lines.push_back(tx+0.); pos_8lines.push_back(ty+d.ymax()-d.ymin()); pos_8lines.push_back(tz+d.zmax()-d.zmin());
pos_8lines.push_back(sx+d.xmax()-d.xmin()); pos_8lines.push_back(sy+0.); pos_8lines.push_back(sz+d.zmax()-d.zmin());
pos_8lines.push_back(tx+d.xmax()-d.xmin()); pos_8lines.push_back(ty+0.); pos_8lines.push_back(tz+d.zmax()-d.zmin());
pos_8lines.push_back(sx+d.xmax()-d.xmin()); pos_8lines.push_back(sy+d.ymax()-d.ymin()); pos_8lines.push_back(sz+d.zmax()-d.zmin());
pos_8lines.push_back(tx+d.xmax()-d.xmin()); pos_8lines.push_back(ty+d.ymax()-d.ymin()); pos_8lines.push_back(tz+d.zmax()-d.zmin());
}
}
}
void
Viewer::gl_draw_surface()
{
::glColor3f(1.0f, 0.72f, 0.06f);
::glDisable(GL_LIGHTING);
::glEnable(GL_BLEND);
::glEnable(GL_POINT_SMOOTH);
::glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
::glEnable(GL_LINE_SMOOTH);
::glHint(GL_LINE_SMOOTH_HINT, GL_NICEST);
::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
::glPointSize(5);
::glBegin(GL_POINTS);
for(Periodic_point_iterator ppit
= scene->periodic_triangulation.periodic_points_begin(
P3DT3::UNIQUE) ;
ppit != scene->periodic_triangulation.periodic_points_end(P3DT3::UNIQUE);
++ppit){
Point_3 p(scene->periodic_triangulation.point(*ppit));
::glVertex3d(p.x(), p.y(), p.z());
}
::glEnd();
::glBegin(GL_LINES);
::glColor3f(0.27f, 0.51f, 0.7f);
for (Periodic_triangle_iterator ptit
= scene->periodic_triangulation.periodic_triangles_begin(
P3DT3::UNIQUE);
ptit != scene->periodic_triangulation.periodic_triangles_end(
P3DT3::UNIQUE);
++ptit) {
for (int i=0 ; i<4 ; i++) {
Segment_3 dual = scene->periodic_triangulation.segment(
scene->periodic_triangulation.dual(*(ptit.get_facet())));
FT sz = dual.source().z();
FT tz = dual.target().z();
if (scene->two_dimensional && ((sz-tz > 0.5) || (sz-tz < -0.5))) continue;
if (scene->two_dimensional) { sz = 0.; tz = 0.; }
FT sx = dual.source().x();
FT tx = dual.target().x();
FT sy = dual.source().y();
FT ty = dual.target().y();
::glVertex3d(sx,sy,sz); ::glVertex3d(tx,ty,tz);
Iso_cuboid_3 d = scene->periodic_triangulation.domain();
if (scene->eight_copies) {
::glColor3f(0.69f, 0.77f, 0.87f);
::glVertex3d(sx+0.,sy+d.ymax()-d.ymin(),sz+0.);
::glVertex3d(tx+0.,ty+d.ymax()-d.ymin(),tz+0.);
::glVertex3d(sx+d.xmax()-d.xmin(),sy+0.,sz+0.);
::glVertex3d(tx+d.xmax()-d.xmin(),ty+0.,tz+0.);
::glVertex3d(sx+d.xmax()-d.xmin(),sy+d.ymax()-d.ymin(),sz+0.);
::glVertex3d(tx+d.xmax()-d.xmin(),ty+d.ymax()-d.ymin(),tz+0.);
if (!scene->two_dimensional) {
::glVertex3d(sx+0.,sy+0.,sz+d.zmax()-d.zmin());
::glVertex3d(tx+0.,ty+0.,tz+d.zmax()-d.zmin());
::glVertex3d(sx+0.,sy+d.ymax()-d.ymin(),sz+d.zmax()-d.zmin());
::glVertex3d(tx+0.,ty+d.ymax()-d.ymin(),tz+d.zmax()-d.zmin());
::glVertex3d(sx+d.xmax()-d.xmin(),sy+0.,sz+d.zmax()-d.zmin());
::glVertex3d(tx+d.xmax()-d.xmin(),ty+0.,tz+d.zmax()-d.zmin());
::glVertex3d(sx+d.xmax()-d.xmin(),sy+d.ymax()-d.ymin(),sz+d.zmax()-d.zmin());
::glVertex3d(tx+d.xmax()-d.xmin(),ty+d.ymax()-d.ymin(),tz+d.zmax()-d.zmin());
}
::glColor3f(0.27f, 0.51f, 0.7f);
}
}
}
::glEnd();
::glEnable(GL_LIGHTING);
}
