本文整理汇总了C++中Handle_Geom_BSplineCurve::KnotDistribution方法的典型用法代码示例。如果您正苦于以下问题：C++ Handle_Geom_BSplineCurve::KnotDistribution方法的具体用法？C++ Handle_Geom_BSplineCurve::KnotDistribution怎么用？C++ Handle_Geom_BSplineCurve::KnotDistribution使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Handle_Geom_BSplineCurve的用法示例。
在下文中一共展示了Handle_Geom_BSplineCurve::KnotDistribution方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: convert_to_ifc
int convert_to_ifc(const Handle_Geom_Curve& c, IfcSchema::IfcCurve*& curve, bool advanced) {
if (c->DynamicType() == STANDARD_TYPE(Geom_Line)) {
IfcSchema::IfcDirection* d;
IfcSchema::IfcCartesianPoint* p;
Handle_Geom_Line line = Handle_Geom_Line::DownCast(c);
if (!convert_to_ifc(line->Position().Location(), p, advanced)) {
return 0;
}
if (!convert_to_ifc(line->Position().Direction(), d, advanced)) {
return 0;
}
IfcSchema::IfcVector* v = new IfcSchema::IfcVector(d, 1.);
curve = new IfcSchema::IfcLine(p, v);
return 1;
} else if (c->DynamicType() == STANDARD_TYPE(Geom_Circle)) {
IfcSchema::IfcAxis2Placement3D* ax;
Handle_Geom_Circle circle = Handle_Geom_Circle::DownCast(c);
convert_to_ifc(circle->Position(), ax, advanced);
curve = new IfcSchema::IfcCircle(ax, circle->Radius());
return 1;
} else if (c->DynamicType() == STANDARD_TYPE(Geom_Ellipse)) {
IfcSchema::IfcAxis2Placement3D* ax;
Handle_Geom_Ellipse ellipse = Handle_Geom_Ellipse::DownCast(c);
convert_to_ifc(ellipse->Position(), ax, advanced);
curve = new IfcSchema::IfcEllipse(ax, ellipse->MajorRadius(), ellipse->MinorRadius());
return 1;
}
#ifdef USE_IFC4
else if (c->DynamicType() == STANDARD_TYPE(Geom_BSplineCurve)) {
Handle_Geom_BSplineCurve bspline = Handle_Geom_BSplineCurve::DownCast(c);
IfcSchema::IfcCartesianPoint::list::ptr points(new IfcSchema::IfcCartesianPoint::list);
TColgp_Array1OfPnt poles(1, bspline->NbPoles());
bspline->Poles(poles);
for (int i = 1; i <= bspline->NbPoles(); ++i) {
IfcSchema::IfcCartesianPoint* p;
if (!convert_to_ifc(poles.Value(i), p, advanced)) {
return 0;
}
points->push(p);
}
IfcSchema::IfcKnotType::IfcKnotType knot_spec = opencascade_knotspec_to_ifc(bspline->KnotDistribution());
std::vector<int> mults;
std::vector<double> knots;
std::vector<double> weights;
TColStd_Array1OfInteger bspline_mults(1, bspline->NbKnots());
TColStd_Array1OfReal bspline_knots(1, bspline->NbKnots());
TColStd_Array1OfReal bspline_weights(1, bspline->NbPoles());
bspline->Multiplicities(bspline_mults);
bspline->Knots(bspline_knots);
bspline->Weights(bspline_weights);
opencascade_array_to_vector(bspline_mults, mults);
opencascade_array_to_vector(bspline_knots, knots);
opencascade_array_to_vector(bspline_weights, weights);
bool rational = false;
for (std::vector<double>::const_iterator it = weights.begin(); it != weights.end(); ++it) {
if ((*it) != 1.) {
rational = true;
break;
}
}
if (rational) {
curve = new IfcSchema::IfcRationalBSplineCurveWithKnots(
bspline->Degree(),
points,
IfcSchema::IfcBSplineCurveForm::IfcBSplineCurveForm_UNSPECIFIED,
bspline->IsClosed(),
false,
mults,
knots,
knot_spec,
weights
);
} else {
curve = new IfcSchema::IfcBSplineCurveWithKnots(
bspline->Degree(),
points,
IfcSchema::IfcBSplineCurveForm::IfcBSplineCurveForm_UNSPECIFIED,
bspline->IsClosed(),
false,
mults,
knots,
knot_spec
);
//.........这里部分代码省略.........