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// File: AIS_ConcentricRelation.cdl
// Created: Tue Dec 5 15:09:04 1996
// Author: Flore Lantheaume/Odile Olivier
// <ODL>
#include <Standard_NotImplemented.hxx>
#include <AIS_ConcentricRelation.ixx>
#include <SelectMgr_EntityOwner.hxx>
#include <Select3D_SensitiveCircle.hxx>
#include <Select3D_SensitiveSegment.hxx>
#include <DsgPrs_ConcentricPresentation.hxx>
#include <TopoDS.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <GeomAbs_CurveType.hxx>
#include <Geom_Circle.hxx>
#include <gp_Dir.hxx>
#include <gp_Vec.hxx>
#include <gp_Ax2.hxx>
#include <gp_Ax1.hxx>
#include <gp_Pnt.hxx>
#include <gp_Pln.hxx>
#include <TopoDS_Vertex.hxx>
#include <AIS.hxx>
//=======================================================================
//function : Constructor
//purpose :
//=======================================================================
AIS_ConcentricRelation::AIS_ConcentricRelation(
const TopoDS_Shape& aFShape,
const TopoDS_Shape& aSShape,
const Handle(Geom_Plane)& aPlane)
{
myFShape = aFShape;
mySShape = aSShape;
myPlane = aPlane;
myDir = aPlane->Pln().Axis().Direction();
}
//=======================================================================
//function : Compute
//purpose :
//=======================================================================
void AIS_ConcentricRelation::Compute(const Handle(PrsMgr_PresentationManager3d)&,
const Handle(Prs3d_Presentation)& aPresentation,
const Standard_Integer)
{
aPresentation->Clear();
TopAbs_ShapeEnum type2(mySShape.ShapeType());
aPresentation->SetInfiniteState(Standard_True);
switch (myFShape.ShapeType()) {
case TopAbs_EDGE:
{
if (type2 == TopAbs_EDGE) ComputeTwoEdgesConcentric(aPresentation);
else if (type2 == TopAbs_VERTEX) ComputeEdgeVertexConcentric(aPresentation);
}
break;
case TopAbs_VERTEX:
{
if (type2 == TopAbs_VERTEX) ComputeTwoVerticesConcentric(aPresentation);
else if (type2 == TopAbs_EDGE) ComputeEdgeVertexConcentric(aPresentation);
}
break;
default: {return;}
}
}
void AIS_ConcentricRelation::Compute(const Handle_Prs3d_Projector& aProjector, const Handle_Geom_Transformation& aTransformation, const Handle_Prs3d_Presentation& aPresentation)
{
// Standard_NotImplemented::Raise("AIS_ConcentricRelation::Compute(const Handle_Prs3d_Projector&, const Handle_Geom_Transformation&, const Handle_Prs3d_Presentation&)");
PrsMgr_PresentableObject::Compute( aProjector , aTransformation , aPresentation ) ;
}
//=======================================================================
//function : ComputeTwoEdgesConcentric
//purpose :
//=======================================================================
void AIS_ConcentricRelation::ComputeEdgeVertexConcentric(const Handle(Prs3d_Presentation)& aPresentation)
{
TopoDS_Edge E;
TopoDS_Vertex V;
if (myFShape.ShapeType() == TopAbs_EDGE) {
E = TopoDS::Edge(myFShape);
V = TopoDS::Vertex(mySShape);
}
else {
E = TopoDS::Edge(myFShape);
V = TopoDS::Vertex(mySShape);
}
gp_Pnt p1,p2;
Handle(Geom_Curve) C;
Handle(Geom_Curve) extCurv;
Standard_Boolean isInfinite;
Standard_Boolean isOnPlanEdge, isOnPlanVertex;
if (!AIS::ComputeGeometry(E,C,p1,p2,extCurv,isInfinite,isOnPlanEdge,myPlane)) return;
gp_Pnt P;
AIS::ComputeGeometry(V,P, myPlane, isOnPlanVertex);
const Handle(Geom_Circle)& CIRCLE = (Handle(Geom_Circle)&) C;
myCenter = CIRCLE->Location();
myRad = Min(CIRCLE->Radius()/5.,15.);
gp_Dir vec(p1.XYZ() - myCenter.XYZ() );
gp_Vec vectrans(vec);
myPnt = myCenter.Translated(vectrans.Multiplied(myRad));
DsgPrs_ConcentricPresentation::Add(aPresentation,myDrawer,myCenter,myRad,myDir,myPnt);
if (!isOnPlanEdge) AIS::ComputeProjEdgePresentation(aPresentation,myDrawer,E,CIRCLE,p1,p2);
if (!isOnPlanVertex) AIS::ComputeProjVertexPresentation(aPresentation,myDrawer,V,P);
}
//=======================================================================
//function : ComputeTwoEdgesConcentric
//purpose :
//=======================================================================
void AIS_ConcentricRelation::ComputeTwoVerticesConcentric(const Handle(Prs3d_Presentation)& aPresentation)
{
TopoDS_Vertex V1,V2;
V1 = TopoDS::Vertex(myFShape);
V2 = TopoDS::Vertex(myFShape);
Standard_Boolean isOnPlanVertex1(Standard_True),isOnPlanVertex2(Standard_True);
gp_Pnt P1,P2;
AIS::ComputeGeometry(V1,P1, myPlane,isOnPlanVertex1);
AIS::ComputeGeometry(V2,P2, myPlane,isOnPlanVertex2);
myCenter = P1;
myRad = 15.;
gp_Dir vec(myPlane->Pln().Position().XDirection());
gp_Vec vectrans(vec);
myPnt = myCenter.Translated(vectrans.Multiplied(myRad));
DsgPrs_ConcentricPresentation::Add(aPresentation,myDrawer,myCenter,myRad,myDir,myPnt);
if (!isOnPlanVertex1) AIS::ComputeProjVertexPresentation(aPresentation,myDrawer,V1,P1);
if (!isOnPlanVertex1) AIS::ComputeProjVertexPresentation(aPresentation,myDrawer,V2,P2);
}
//=======================================================================
//function : ComputeTwoEdgesConcentric
//purpose :
//=======================================================================
void AIS_ConcentricRelation::ComputeTwoEdgesConcentric(const Handle(Prs3d_Presentation)& aPresentation)
{
BRepAdaptor_Curve curv1(TopoDS::Edge(myFShape));
BRepAdaptor_Curve curv2(TopoDS::Edge(mySShape));
gp_Pnt ptat11,ptat12,ptat21,ptat22;
Handle(Geom_Curve) geom1,geom2;
Standard_Boolean isInfinite1,isInfinite2;
Handle(Geom_Curve) extCurv;
if (!AIS::ComputeGeometry(TopoDS::Edge(myFShape),
TopoDS::Edge(mySShape),
myExtShape,
geom1,
geom2,
ptat11,
ptat12,
ptat21,
ptat22,
extCurv,
isInfinite1,isInfinite2,
myPlane)) {
return;
}
const Handle(Geom_Circle)& gcirc1 = (Handle(Geom_Circle)&) geom1;
const Handle(Geom_Circle)& gcirc2 = (Handle(Geom_Circle)&) geom2;
myCenter = gcirc1->Location();
// choose the radius equal to 1/5 of the smallest radius of
// 2 circles. Limit is imposed ( 0.02 by chance)
Standard_Real rad1 = gcirc1->Radius();
Standard_Real rad2 = gcirc2->Radius();
myRad = (rad1 > rad2 ) ? rad2 : rad1;
myRad /= 5;
if (myRad > 15.) myRad =15.;
//Calculate a point of circle of radius myRad
gp_Dir vec(ptat11.XYZ() - myCenter.XYZ() );
gp_Vec vectrans(vec);
myPnt = myCenter.Translated(vectrans.Multiplied(myRad));
DsgPrs_ConcentricPresentation::Add(aPresentation,
myDrawer,
myCenter,
myRad,
myDir,
myPnt);
if ( (myExtShape != 0) && !extCurv.IsNull()) {
gp_Pnt pf, pl;
if ( myExtShape == 1 ) {
if (!isInfinite1) {
pf = ptat11;
pl = ptat12;
}
ComputeProjEdgePresentation(aPresentation,TopoDS::Edge(myFShape),gcirc1,pf,pl);
}
else {
if (!isInfinite2) {
pf = ptat21;
pl = ptat22;
}
ComputeProjEdgePresentation(aPresentation,TopoDS::Edge(mySShape),gcirc2,pf,pl);
}
}
}
//=======================================================================
//function : Compute
//purpose : to avoid warning
//=======================================================================
void AIS_ConcentricRelation::Compute(const Handle(Prs3d_Projector)&,
const Handle(Prs3d_Presentation)&)
{
}
//=======================================================================
//function : Compute
//purpose : to avoid warning
//=======================================================================
void AIS_ConcentricRelation::Compute(const Handle(PrsMgr_PresentationManager2d)&,
const Handle(Graphic2d_GraphicObject)&,
const Standard_Integer)
{
}
//=======================================================================
//function : ComputeSelection
//purpose :
//=======================================================================
void AIS_ConcentricRelation::ComputeSelection(const Handle(SelectMgr_Selection)& aSelection,
const Standard_Integer)
{
Handle(SelectMgr_EntityOwner) own = new SelectMgr_EntityOwner(this,7);
//Creation of 2 sensitive circles
// the greater
gp_Ax2 ax(myCenter, myDir);
Handle(Geom_Circle) Circ = new Geom_Circle(ax, myRad) ;
Handle(Select3D_SensitiveCircle)
sensit = new Select3D_SensitiveCircle (own,
Circ);
aSelection->Add(sensit);
// the smaller
Circ->SetRadius(myRad/2);
sensit = new Select3D_SensitiveCircle (own,
Circ);
aSelection->Add(sensit);
//Creation of 2 segments sensitive for the cross
Handle(Select3D_SensitiveSegment) seg;
gp_Pnt otherPnt = myPnt.Mirrored(myCenter);
seg = new Select3D_SensitiveSegment(own,
otherPnt,
myPnt);
aSelection->Add(seg);
gp_Ax1 RotateAxis(myCenter, myDir);
gp_Pnt FPnt = myCenter.Rotated(RotateAxis, PI/2);
gp_Pnt SPnt = myCenter.Rotated(RotateAxis, -PI/2);
seg = new Select3D_SensitiveSegment(own,
FPnt,
SPnt);
aSelection->Add(seg);
}
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