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occt/src/IntCurve/IntCurve_PConicTool.cxx
2012-03-05 19:23:40 +04:00

131 lines
3.1 KiB
C++
Executable File

// File: IntCurve_PConicTool.cxx
// Created: Mon Mar 30 17:35:40 1992
// Author: Laurent BUCHARD
// <lbr@topsn3>
#include <IntCurve_PConicTool.ixx>
#include <ElCLib.hxx>
//----------------------------------------------------------------------
gp_Pnt2d IntCurve_PConicTool::Value(const IntCurve_PConic& PConic,
const Standard_Real X) {
switch(PConic.TypeCurve()) {
case GeomAbs_Line:
return(ElCLib::LineValue(X,PConic.Axis2().XAxis()));
case GeomAbs_Circle:
return(ElCLib::CircleValue(X,PConic.Axis2(),PConic.Param1()));
case GeomAbs_Ellipse:
return(ElCLib::EllipseValue(X,PConic.Axis2(),
PConic.Param1(),
PConic.Param2()));
case GeomAbs_Parabola:
return(ElCLib::ParabolaValue(X,PConic.Axis2(),PConic.Param1()));
default: //-- case GeomAbs_Hyperbola:
return(ElCLib::HyperbolaValue(X,PConic.Axis2(),PConic.Param1(),
PConic.Param2()));
}
}
//----------------------------------------------------------------------
void IntCurve_PConicTool::D1(const IntCurve_PConic& PConic,
const Standard_Real U,
gp_Pnt2d& Pt,
gp_Vec2d& Tan) {
switch(PConic.TypeCurve()) {
case GeomAbs_Line:
ElCLib::LineD1(U,PConic.Axis2().XAxis(),Pt,Tan);
break;
case GeomAbs_Circle:
ElCLib::CircleD1(U,PConic.Axis2(),PConic.Param1(),Pt,Tan);
break;
case GeomAbs_Ellipse:
ElCLib::EllipseD1(U,PConic.Axis2(),PConic.Param1(),
PConic.Param2(),Pt,Tan);
break;
case GeomAbs_Parabola:
ElCLib::ParabolaD1(U,PConic.Axis2(),PConic.Param1(),Pt,Tan);
break;
case GeomAbs_Hyperbola:
ElCLib::HyperbolaD1(U,PConic.Axis2(),PConic.Param1(),
PConic.Param2(),Pt,Tan);
break;
#ifndef DEB
default:
break;
#endif
}
}
//----------------------------------------------------------------------
void IntCurve_PConicTool::D2(const IntCurve_PConic& PConic,
const Standard_Real U,
gp_Pnt2d& Pt,
gp_Vec2d& Tan,
gp_Vec2d& Norm) {
switch(PConic.TypeCurve()) {
case GeomAbs_Line:
Tan.SetCoord(0.0,0.0);
ElCLib::LineD1(U,PConic.Axis2().XAxis(),Pt,Tan);
break;
case GeomAbs_Circle:
ElCLib::CircleD2(U,PConic.Axis2(),PConic.Param1(),Pt,Tan,Norm);
break;
case GeomAbs_Ellipse:
ElCLib::EllipseD2(U,PConic.Axis2(),PConic.Param1(),PConic.Param2(),
Pt,Tan,Norm);
break;
case GeomAbs_Parabola:
ElCLib::ParabolaD2(U,PConic.Axis2(),PConic.Param1(),Pt,Tan,Norm);
break;
case GeomAbs_Hyperbola:
ElCLib::HyperbolaD2(U,PConic.Axis2(),PConic.Param1(),
PConic.Param2(),Pt,Tan,Norm);
break;
#ifndef DEB
default:
break;
#endif
}
}
Standard_Real IntCurve_PConicTool::EpsX(const IntCurve_PConic& PConic) {
return(PConic.EpsX());
}
Standard_Integer IntCurve_PConicTool::NbSamples(const IntCurve_PConic& PConic) {
return(PConic.Accuracy());
}
//Standard_Integer IntCurve_PConicTool::NbSamples(const IntCurve_PConic& PConic,const Standard_Real U0,const Standard_Real U1) {
Standard_Integer IntCurve_PConicTool::NbSamples(const IntCurve_PConic& PConic,const Standard_Real ,const Standard_Real ) {
return(PConic.Accuracy());
}