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1 | // File: TopClass_Classifier3d.gxx |
| 2 | // Created: Wed Mar 30 09:54:56 1994 |
| 3 | // Author: Laurent BUCHARD |
| 4 | // <lbr@fuegox> |
| 5 | |
| 6 | |
| 7 | |
| 8 | //====================================================================== |
| 9 | TopClass_Classifier3d::TopClass_Classifier3d() : isSet(Standard_False) |
| 10 | { |
| 11 | } |
| 12 | |
| 13 | //====================================================================== |
| 14 | void TopClass_Classifier3d::Reset(const gp_Lin& L, |
| 15 | const Standard_Real Param, |
| 16 | const Standard_Real Tol) { |
| 17 | myLin = L; |
| 18 | myParam = RealLast(); |
| 19 | myTolerance = Tol; |
| 20 | myState = TopAbs_UNKNOWN; |
| 21 | isSet = Standard_True; |
| 22 | } |
| 23 | //====================================================================== |
| 24 | #include <IntCurveSurface_IntersectionPoint.hxx> |
| 25 | #include <IntCurveSurface_TransitionOnCurve.hxx> |
| 26 | |
| 27 | void TopClass_Classifier3d::Compare(const TopoDS_Face& Face, |
| 28 | const TopAbs_Orientation Orientation) { |
| 29 | if(!isSet) { |
| 30 | cout<<" Call to TopClass_Classifier3d::Compare without a Reset ! "; |
| 31 | return; |
| 32 | } |
| 33 | |
| 34 | hasIntersect = Standard_False; |
| 35 | myIntersector.Perform(myLin,myParam,myTolerance,Face); |
| 36 | if(myIntersector.IsDone()) { |
| 37 | if(myIntersector.HasAPoint()) { |
| 38 | hasIntersect = Standard_True; |
| 39 | if(myIntersector.WParameter() < myParam) { |
| 40 | myParam = myIntersector.WParameter(); |
| 41 | myFace = myIntersector.Face(); |
| 42 | if(Abs(myParam)<=myTolerance) { |
| 43 | //-- ######################################### |
| 44 | cout<<" myParam = "<<myParam<<" ds TopClass_Classifier3d.gxx "<<endl; |
| 45 | //-- ######################################### |
| 46 | myState = TopAbs_ON; |
| 47 | } |
| 48 | else { |
| 49 | //-- The intersection point between the line and a face F of the solid |
| 50 | //-- is in the face F or On a boundary of the face |
| 51 | if(myIntersector.Transition() == IntCurveSurface_Out) { |
| 52 | //-- The line is going from inside the solid to outside the solid. |
| 53 | myState = TopAbs_IN; |
| 54 | } |
| 55 | else if(myIntersector.Transition() == IntCurveSurface_In) { |
| 56 | myState = TopAbs_OUT; |
| 57 | } |
| 58 | else { |
| 59 | cout<<" -------- Probleme ds TopClass_Classifier3d.gxx "<<endl; |
| 60 | } |
| 61 | } |
| 62 | } |
| 63 | else { |
| 64 | //-- No point has been found by the myIntersector. |
| 65 | //-- Or a Point has been found with a greater parameter. |
| 66 | } |
| 67 | } //-- myIntersector Has a point |
| 68 | else { |
| 69 | //-- The myIntersector failed. |
| 70 | } |
| 71 | } //-- Face has not been rejected |
| 72 | } |
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