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// File: BRepGProp_Face.lxx
// Created: Tue Dec 20 15:30:17 2005
// Author: Sergey KHROMOV
// <skv@dimox>
#include <BRep_Tool.hxx>
//=======================================================================
//function : BRepGProp_Face
//purpose : Constructor. Initializes the object with IsUseSpan.
//=======================================================================
inline BRepGProp_Face::BRepGProp_Face(const Standard_Boolean IsUseSpan)
: myIsUseSpan(IsUseSpan)
{
}
//=======================================================================
//function : BRepGProp_Face
//purpose : Constructor.Initializes the object with the face and
// IsUseSpan flan.
//=======================================================================
inline BRepGProp_Face::BRepGProp_Face(const TopoDS_Face &F,
const Standard_Boolean IsUseSpan)
: myIsUseSpan(IsUseSpan)
{
Load(F);
}
//=======================================================================
//function : NaturalRestriction
//purpose : Returns Standard_True if the face is not trimmed.
//=======================================================================
inline Standard_Boolean BRepGProp_Face::NaturalRestriction() const
{
return BRep_Tool::NaturalRestriction(mySurface.Face());
}
//=======================================================================
//function : Value2d
//purpose : Returns the value of the boundary curve of the face.
//=======================================================================
inline gp_Pnt2d BRepGProp_Face::Value2d(const Standard_Real U) const
{
return myCurve.Value(U);
}
//=======================================================================
//function : D12d
//purpose : Returns the point of parameter U and the first derivative
// at this point of a boundary curve.
//=======================================================================
inline void BRepGProp_Face::D12d(const Standard_Real U,
gp_Pnt2d &P,
gp_Vec2d &V1) const
{
myCurve.D1(U,P,V1);
}
//=======================================================================
//function : FirstParameter
//purpose : Returns the parametric value of the start point of
// the current arc of curve.
//=======================================================================
inline Standard_Real BRepGProp_Face::FirstParameter() const
{
return myCurve.FirstParameter();
}
//=======================================================================
//function : LastParameter
//purpose : Returns the parametric value of the end point of
// the current arc of curve.
//=======================================================================
inline Standard_Real BRepGProp_Face::LastParameter() const
{
return myCurve.LastParameter();
}
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