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// File: AIS_EqualRadiusRelation.cxx
// Created: Tue Jan 20 19:19:54 1998
// Author: Julia GERASIMOVA
// <jgv@orthodox.nnov.matra-dtv.fr>
#define BUC60915 //GG 05/06/01 Enable to compute the requested arrow size
// if any in all dimensions.
#include <Standard_NotImplemented.hxx>
#include <AIS_EqualRadiusRelation.ixx>
#include <AIS.hxx>
#include <DsgPrs_EqualRadiusPresentation.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <TopoDS.hxx>
#include <gp_Circ.hxx>
#include <Geom_Circle.hxx>
#include <ElCLib.hxx>
#include <SelectMgr_EntityOwner.hxx>
#include <Select3D_SensitiveSegment.hxx>
#include <Select3D_SensitiveBox.hxx>
#include <Precision.hxx>
#include <GeomAPI_ProjectPointOnSurf.hxx>
#include <Prs3d_LengthAspect.hxx>
#include <Prs3d_ArrowAspect.hxx>
#include <AIS_Drawer.hxx>
//=======================================================================
//function : AIS_EqualRadiusRelation
//purpose :
//=======================================================================
AIS_EqualRadiusRelation::AIS_EqualRadiusRelation( const TopoDS_Edge& aFirstEdge,
const TopoDS_Edge& aSecondEdge,
const Handle( Geom_Plane )& aPlane )
:AIS_Relation()
{
myFShape = aFirstEdge;
mySShape = aSecondEdge;
myPlane = aPlane;
}
//=======================================================================
//function : Compute
//purpose :
//=======================================================================
void AIS_EqualRadiusRelation::Compute( const Handle( PrsMgr_PresentationManager3d )&,
const Handle( Prs3d_Presentation )& aPresentation,
const Standard_Integer )
{
aPresentation->Clear();
BRepAdaptor_Curve FirstCurve( TopoDS::Edge( myFShape ) ), SecondCurve( TopoDS::Edge( mySShape ) );
Standard_Real FirstPar1 = FirstCurve.FirstParameter(), LastPar1 = FirstCurve.LastParameter(),
FirstPar2 = SecondCurve.FirstParameter(), LastPar2 = SecondCurve.LastParameter();
Handle( Geom_Curve ) FirstProjCurve = FirstCurve.Curve().Curve(),
SecondProjCurve = SecondCurve.Curve().Curve();
gp_Pnt FirstPoint1, LastPoint1, FirstPoint2, LastPoint2;
Standard_Boolean isFirstOnPlane, isSecondOnPlane;
AIS::ComputeGeomCurve( FirstProjCurve, FirstPar1, LastPar1, FirstPoint1, LastPoint1, myPlane, isFirstOnPlane );
AIS::ComputeGeomCurve( SecondProjCurve, FirstPar2, LastPar2, FirstPoint2, LastPoint2, myPlane, isSecondOnPlane );
if (!isFirstOnPlane)
ComputeProjEdgePresentation( aPresentation, TopoDS::Edge( myFShape ), FirstProjCurve, FirstPoint1, LastPoint1 );
if (! isSecondOnPlane)
ComputeProjEdgePresentation( aPresentation, TopoDS::Edge( mySShape ), SecondProjCurve, FirstPoint2, LastPoint2 );
gp_Circ FirstCirc = (Handle( Geom_Circle )::DownCast( FirstProjCurve ))->Circ();
gp_Circ SecondCirc = (Handle( Geom_Circle )::DownCast( SecondProjCurve ))->Circ();
myFirstCenter = FirstCirc.Location();
mySecondCenter = SecondCirc.Location();
//ota -- begin --
if (myAutomaticPosition)
{
myFirstPoint = ElCLib::Value( (FirstPar1 + LastPar1)*0.5, FirstCirc );
mySecondPoint = ElCLib::Value( (FirstPar2 + LastPar2)*0.5, SecondCirc );
}
else {
Standard_Real aPar = ElCLib::Parameter(FirstCirc, myFirstPoint);
if (IntegerPart(0.5*LastPar1/PI) != 0 && aPar < FirstPar1 )
aPar +=2*PI*IntegerPart(0.5*LastPar1/PI);
Standard_Real aRadius = FirstCirc.Radius();
if (Abs(myFirstPoint.Distance(myFirstCenter) - aRadius) >= Precision::Confusion())
myFirstPoint = ElCLib::Value(aPar, FirstCirc);
if ( FirstPoint1.Distance(LastPoint1) > Precision::Confusion()){
//check where is myFirstPoint
if (aPar > LastPar1 || aPar < FirstPar1)
{
//myFirstPoint is out of Arc of FirstCircle
if (FirstPoint1.Distance(myFirstPoint)< LastPoint1.Distance(myFirstPoint))
myFirstPoint = FirstPoint1;
else
myFirstPoint = LastPoint1;
}
}
aPar = ElCLib::Parameter(SecondCirc, mySecondPoint);
if (IntegerPart(0.5*LastPar2/PI) != 0 && aPar < FirstPar2 )
aPar +=2*PI*IntegerPart(0.5*LastPar2/PI);
aRadius = SecondCirc.Radius();
if (Abs(mySecondPoint.Distance(mySecondCenter) - aRadius) >= Precision::Confusion())
mySecondPoint = ElCLib::Value(aPar, SecondCirc);
if (FirstPoint2.Distance(LastPoint2) > Precision::Confusion()){
if (aPar > LastPar2 || aPar < FirstPar2)
{ //mySecondPoint is out of Arc of mySecondCircle
if (FirstPoint2.Distance(mySecondPoint)< LastPoint2.Distance(mySecondPoint))
mySecondPoint = FirstPoint2;
else
mySecondPoint = LastPoint2;
}
}
}
#ifdef BUC60915
if( !myArrowSizeIsDefined )
#endif
myArrowSize = (Min(myFirstCenter.Distance(myFirstPoint),
mySecondCenter.Distance(mySecondPoint)))*0.05;
Handle(Prs3d_LengthAspect) la = myDrawer->LengthAspect();
Handle(Prs3d_ArrowAspect) arr = la->Arrow1Aspect();
arr->SetLength(myArrowSize);
//ota -- end --
DsgPrs_EqualRadiusPresentation::Add(aPresentation, myDrawer,
myFirstCenter, mySecondCenter, myFirstPoint, mySecondPoint, myPlane );
}
//=======================================================================
//function : Compute
//purpose : to avoid warning at compilation (SUN)
//=======================================================================
void AIS_EqualRadiusRelation::Compute( const Handle( Prs3d_Projector )& /*aProjector*/,
const Handle( Prs3d_Presentation )& /*aPresentation*/)
{
// Standard_NotImplemented::Raise("AIS_EqualRadiusRelation::Compute( const Handle( Prs3d_Projector )&,const Handle( Prs3d_Presentation )& )");
// PrsMgr_PresentableObject::Compute( aProjector , aPresentation ) ;
}
//=======================================================================
//function : Compute
//purpose : to avoid warning at compilation (SUN)
//=======================================================================
void AIS_EqualRadiusRelation::Compute( const Handle( PrsMgr_PresentationManager2d )& /*aPresentationManager2d*/,
const Handle( Graphic2d_GraphicObject )& /*aGraphicObject*/,
const Standard_Integer /*anInteger*/)
{
// Standard_NotImplemented::Raise("AIS_EqualRadiusRelation::Compute( const Handle( PrsMgr_PresentationManager2d )&,const Handle( Graphic2d_GraphicObject )&,const Standard_Integer )");
// PrsMgr_PresentableObject::Compute( aPresentationManager2d ,aGraphicObject,anInteger) ;
}
//=======================================================================
//function : Compute
//purpose :
//=======================================================================
void AIS_EqualRadiusRelation::Compute(const Handle_Prs3d_Projector& aProjector,
const Handle_Geom_Transformation& aTransformation,
const Handle_Prs3d_Presentation& aPresentation)
{
// Standard_NotImplemented::Raise("AIS_EqualRadiusRelation::Compute(const Handle_Prs3d_Projector&, const Handle_Geom_Transformation&, const Handle_Prs3d_Presentation&)");
PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
}
//=======================================================================
//function : ComputeSelection
//purpose :
//=======================================================================
void AIS_EqualRadiusRelation::ComputeSelection( const Handle( SelectMgr_Selection )& aSelection,
const Standard_Integer )
{
Handle( SelectMgr_EntityOwner ) own = new SelectMgr_EntityOwner( this, 7 );
Handle( Select3D_SensitiveSegment ) seg;
seg = new Select3D_SensitiveSegment( own, myFirstCenter, myFirstPoint );
aSelection->Add( seg );
if(!myAutomaticPosition)
ComputeRadiusPosition();
seg = new Select3D_SensitiveSegment( own, mySecondCenter, mySecondPoint );
aSelection->Add( seg );
seg = new Select3D_SensitiveSegment( own, myFirstCenter, mySecondCenter );
aSelection->Add( seg );
// Two small lines
gp_Pnt Middle( (myFirstCenter.XYZ() + mySecondCenter.XYZ())*0.5 );
Standard_Real SmallDist = .001;
//Should be changed as the domain of small lines could be changed.
Handle( Select3D_SensitiveBox ) box = new Select3D_SensitiveBox(own,
Middle.X() - SmallDist,
Middle.Y() - SmallDist,
Middle.Z() - SmallDist,
Middle.X() + SmallDist,
Middle.Y() + SmallDist,
Middle.Z() + SmallDist );
aSelection->Add(box);
}
//=================================================================
//function : ComputeRadiusPosition
//purpose :
//=================================================================
void AIS_EqualRadiusRelation::ComputeRadiusPosition()
{
if (myAutomaticPosition ||
myFirstCenter.Distance(myPosition) < Precision::Confusion() ||
mySecondCenter.Distance(myPosition) < Precision::Confusion())
return;
gp_Pnt aPosition;
//project myPosition to the plane of constraint
GeomAPI_ProjectPointOnSurf aProj(myPosition, myPlane);
aPosition = aProj.NearestPoint();
Standard_Real aDist1 = myFirstPoint.Distance(aPosition);
Standard_Real aDist2 = mySecondPoint.Distance(aPosition);
if(aDist1<aDist2)
{
Standard_Real Rad1 = myFirstPoint.Distance(myFirstCenter);
const gp_Dir aNewDir1(aPosition.XYZ() - myFirstCenter.XYZ());
const gp_Vec aTVec (aNewDir1.XYZ()*Rad1);
myFirstPoint = myFirstCenter.Translated(aTVec);
}
else {
Standard_Real Rad2 = mySecondPoint.Distance(mySecondCenter);
const gp_Dir aNewDir2(aPosition.XYZ() - mySecondCenter.XYZ());
gp_Vec aTVec (aNewDir2.XYZ()*Rad2);
mySecondPoint = mySecondCenter.Translated(aTVec);
}
}
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