//==========================================================================
void create_bary_coord_system3D(const SplineSurface& surface,
BaryCoordSystem3D& bc)
//==========================================================================
{
BoundingBox box = surface.boundingBox();
create_bary_coord_system3D(box, bc);
return;
}
//===========================================================================
BoundingBox Torus::boundingBox() const
//===========================================================================
{
// A rather unefficient hack...
SplineSurface* tmp = geometrySurface();
BoundingBox box = tmp->boundingBox();
delete tmp;
return box;
}
int main(int argc, char** argv)
{
const string inp_curve_filename("approj_curve.g2");
cout << "\nRunning program '" << argv[0]
<< "'\nSpline curve filename= '"
<< inp_curve_filename.c_str() << "'." << endl;
// Read spline curve file
ifstream cfile(inp_curve_filename.c_str());
if (!cfile) {
cerr << "\nFile error. Could not open file: "
<< inp_curve_filename.c_str() << endl;
return 1;
}
shared_ptr<SplineCurve> curve(new SplineCurve);
ObjectHeader header;
cfile >> header;
if (!header.classType() == SplineCurve::classType()) {
THROW("Object type is NOT SplineCurve.");
}
cfile >> (*curve);
cfile.close();
// Print some curve information
Point pnt3d(3);
curve->point(pnt3d, curve->startparam());
cout << "\nSplineCurve: Dim= " << curve->dimension()
<< "\nStart. Param= " << curve->startparam() << " Point= "
<< pnt3d << endl;
curve->point(pnt3d, curve->endparam());
cout << "End. Param= " << curve->endparam() << " Point= "
<< pnt3d << endl;
cout << "Bounding box = " << curve->boundingBox() << endl;
// Create a surface by rotating the curve around the axis an angle of 2PI.
double angle = 2.0*M_PI;
Point point_on_axis(0.0, 5.0, 200.0);
Point axis_dir(1.0, 0.0, 0.0);
SplineSurface* surf =
SweepSurfaceCreator::rotationalSweptSurface(*curve, angle,
point_on_axis, axis_dir);
cout << "\nSurface: Dim= " << surf->dimension() << endl;
cout << "Bounding box = " << surf->boundingBox() << endl;
cout << "Point on axis = " << point_on_axis << endl;
cout << "Axis direction = " << axis_dir << endl;
// Open output file
ofstream fout("rotational_swept_surface.g2");
// Write curve to file. Colour=red.
fout << "100 1 0 4 255 0 0 255" << endl;
curve->write(fout);
// Write surface to file. Default colour=blue.
surf->writeStandardHeader(fout);
surf->write(fout);
// Write axis to file. Colour=green.
double dlength = 1.2*(surf->boundingBox().high()[0] -
surf->boundingBox().low()[0]);
Point endp = point_on_axis + dlength*axis_dir;
SplineCurve* axis = new SplineCurve(point_on_axis, endp);
fout << "100 1 0 4 0 255 0 255" << endl;
axis->write(fout);
// cout << "Open the file 'rotational_swept_surface.g2' in 'goview' to look"
// << " at the results" << endl;
delete surf;
delete axis;
return 0;
}