void
Geomview_stream::pickplane(const Bbox_3 &bbox)
{
bool bin_bak = set_binary_mode();
(*this) << "(geometry pickplane {QUAD BINARY\n"
<< 1
// here are the four corners
<< bbox.xmin() << bbox.ymin() << bbox.zmin()
<< bbox.xmin() << bbox.ymax() << bbox.zmin()
<< bbox.xmax() << bbox.ymax() << bbox.zmin()
<< bbox.xmax() << bbox.ymin() << bbox.zmin()
// close the text bracket
<< "}) (pickable pickplane no)";
set_ascii_mode(bin_bak);
}
void KnotsViewer::set_scene(Bbox_3 &box)
{
Mesh::Point bbMin(box.xmin(), box.ymin(), box.zmin());
Mesh::Point bbMax(box.xmax(), box.ymax(), box.zmax());
Mesh::Point center= (bbMin + bbMax)*0.5;
double radius=0.5*(bbMin - bbMax).norm();
setSceneCenter(Vec(center[0], center[1], center[2]));
setSceneRadius(radius);
camera()->showEntireScene();
}