-// Copyright (C) 2007-2013 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2023 CEA, EDF, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
+// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
#include <GeomAbs_SurfaceType.hxx>
#include <GeomAdaptor_Surface.hxx>
+#include <IntSurf_Quadric.hxx>
//=======================================================================
//function : GetState
//purpose :
//=======================================================================
- Standard_Integer GEOMAlgo_SurfaceTools::GetState(const gp_Pnt& aP,
- const GeomAdaptor_Surface& aGAS,
- const Standard_Real aTol,
- TopAbs_State& aState)
+ Standard_Integer GEOMAlgo_SurfaceTools::GetState
+ (const gp_Pnt& aP,
+ const GeomAdaptor_Surface& aGAS,
+ const Standard_Real aTol,
+ TopAbs_State& aState)
{
- Standard_Integer iErr;
- Standard_Real aDp, aR;
- GeomAbs_SurfaceType aType;
- gp_Sphere aSph;
- gp_Cylinder aCyl;
- gp_Pln aPln;
+ Standard_Integer iErr = 0;
+ GeomAbs_SurfaceType aType = aGAS.GetType();
+ IntSurf_Quadric aQuad;
//
- iErr=0;
- aState=TopAbs_UNKNOWN;
+ aState = TopAbs_UNKNOWN;
//
- aType=aGAS.GetType();
switch (aType) {
case GeomAbs_Plane:
- aPln=aGAS.Plane();
- aR=0.;
- aDp=GEOMAlgo_SurfaceTools::Distance(aP, aPln);
+ aQuad.SetValue(aGAS.Plane());
break;
case GeomAbs_Cylinder:
- aCyl=aGAS.Cylinder();
- aR=aCyl.Radius();
- aDp=GEOMAlgo_SurfaceTools::Distance(aP, aCyl);
+ aQuad.SetValue(aGAS.Cylinder());
break;
case GeomAbs_Sphere:
- aSph=aGAS.Sphere();
- aR=aSph.Radius();
- aDp=GEOMAlgo_SurfaceTools::Distance(aP, aSph);
+ aQuad.SetValue(aGAS.Sphere());
break;
default:
}
//
if (!iErr) {
- aState=TopAbs_ON;
- if (aDp>aR+aTol) {
- aState=TopAbs_OUT;
- }
- else if (aDp<aR-aTol) {
- aState=TopAbs_IN;
+ const Standard_Real aDp = aQuad.Distance(aP);
+ //
+ aState = TopAbs_ON;
+ //
+ if (aDp > aTol) {
+ aState = TopAbs_OUT;
+ } else if (aDp < -aTol) {
+ aState = TopAbs_IN;
}
}
//
//function : GetState
//purpose :
//=======================================================================
- Standard_Integer GEOMAlgo_SurfaceTools::GetState(const gp_Pnt& aP,
- const Handle(Geom_Surface)& aSurf,
- const Standard_Real aTol,
- TopAbs_State& aState)
+ Standard_Integer GEOMAlgo_SurfaceTools::GetState
+ (const gp_Pnt& aP,
+ const Handle(Geom_Surface)& aSurf,
+ const Standard_Real aTol,
+ TopAbs_State& aState)
{
Standard_Integer iErr;
GeomAdaptor_Surface aGAS;
//function : ReverseState
//purpose :
//=======================================================================
- TopAbs_State GEOMAlgo_SurfaceTools::ReverseState(const TopAbs_State aState)
+ TopAbs_State GEOMAlgo_SurfaceTools::ReverseState
+ (const TopAbs_State aState)
{
TopAbs_State aRSt=aState;
//
return aRSt;
}
//=======================================================================
-//function : Distance
-//purpose :
-//=======================================================================
-Standard_Real GEOMAlgo_SurfaceTools::Distance(const gp_Pnt& aP,
- const gp_Sphere& aSph)
-{
- Standard_Real aD;
- //
- const gp_Pnt& aLoc=aSph.Location();
- aD=aLoc.Distance(aP);
- //
- return aD;
-}
-//=======================================================================
-//function : Distance
-//purpose :
-//=======================================================================
-Standard_Real GEOMAlgo_SurfaceTools::Distance(const gp_Pnt& aP,
- const gp_Cylinder& aCyl)
-{
- Standard_Real aD;
- //
- const gp_Ax1& aAxis=aCyl.Axis();
- gp_Lin aLin(aAxis);
- aD=aLin.Distance(aP);
- //
- return aD;
-}
-//=======================================================================
-//function : Distance
-//purpose :
-//=======================================================================
-Standard_Real GEOMAlgo_SurfaceTools::Distance(const gp_Pnt& aP,
- const gp_Pln& aPL)
-{
- Standard_Real aD;
- //
- const gp_Ax3& aPos=aPL.Position();
- const gp_Pnt& aLoc=aPos.Location ();
- const gp_Dir& aDir=aPos.Direction();
- //
- aD= (aDir.X() * (aP.X() - aLoc.X()) +
- aDir.Y() * (aP.Y() - aLoc.Y()) +
- aDir.Z() * (aP.Z() - aLoc.Z()));
- return aD;
-}
-//=======================================================================
//function : IsCoaxial
//purpose :
//=======================================================================
-Standard_Boolean GEOMAlgo_SurfaceTools::IsCoaxial(const gp_Pnt& aP1,
- const gp_Pnt& aP2,
- const gp_Cylinder& aCyl,
- const Standard_Real aTol)
+Standard_Boolean GEOMAlgo_SurfaceTools::IsCoaxial
+ (const gp_Pnt& aP1,
+ const gp_Pnt& aP2,
+ const gp_Cylinder& aCyl,
+ const Standard_Real aTol)
{
- Standard_Boolean bRet=Standard_False;
- Standard_Real aSM;
- //
- gp_Vec aV12(aP1, aP2);
- gp_Dir aD12(aV12);
- //
- const gp_Ax1& aAxis=aCyl.Axis();
- const gp_Dir& aDAxis=aAxis.Direction();
- //
- aSM=fabs(aD12*aDAxis);
- if (fabs(1.-aSM) > aTol) {
- return bRet;
+ const gp_XYZ &aLoc = aCyl.Location().XYZ();
+ const gp_Ax1 &aAxis = aCyl.Axis();
+ const gp_XYZ &aDAxis = aAxis.Direction().XYZ();
+ gp_XYZ aDP1 = aP1.XYZ().Subtracted(aLoc);
+ gp_XYZ aDP2 = aP2.XYZ().Subtracted(aLoc);
+ Standard_Real aDot1 = aDP1.Dot(aDAxis);
+ Standard_Real aDot2 = aDP1.Dot(aDAxis);
+ //Standard_Real aTol2 = aTol*aTol;
+
+ // Project P1 and P2 onto a plane with location aLoc and Norm aDAxis.
+ aDP1.Subtract(aDAxis.Multiplied(aDot1));
+ aDP2.Subtract(aDAxis.Multiplied(aDot2));
+
+ Standard_Real aRadius1 = aDP1.Modulus();
+ Standard_Real aRadius2 = aDP2.Modulus();
+ Standard_Boolean isOn = Standard_False;
+
+ if (fabs(aRadius1 - aRadius2) <= aTol) {
+ // Check the deflection of the middle point.
+ //gp_XYZ aMidP = 0.5*(aDP1 + aDP2);
+ //Standard_Real aMidRadius1 = aMidP.Modulus();
+
+ if (fabs(aRadius1 - aRadius2) <= aTol) {
+ isOn = Standard_True;
+ }
}
- //
- return !bRet;
+
+ return isOn;
}
//=======================================================================
//function : IsAnalytic
//purpose :
//=======================================================================
-Standard_Boolean GEOMAlgo_SurfaceTools::IsAnalytic(const Handle(Geom_Surface)& aSurf)
+Standard_Boolean GEOMAlgo_SurfaceTools::IsAnalytic
+ (const Handle(Geom_Surface)& aSurf)
{
Standard_Boolean bRet;
GeomAbs_SurfaceType aType;
//function : IsConformState
//purpose :
//=======================================================================
-Standard_Boolean GEOMAlgo_SurfaceTools::IsConformState(const TopAbs_State aST1,
- const GEOMAlgo_State aST2)
+Standard_Boolean GEOMAlgo_SurfaceTools::IsConformState
+ (const TopAbs_State aST1,
+ const GEOMAlgo_State aST2)
{
Standard_Boolean bRet=Standard_False;
//
