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1 | // File: BRepFill_ACRLaw.cxx |
| 2 | // Created: Tue Sep 1 14:13:11 1998 |
| 3 | // Author: Stephanie Humeau |
| 4 | // <shu@sun17> |
| 5 | |
| 6 | |
| 7 | #include <BRepFill_ACRLaw.ixx> |
| 8 | |
| 9 | #include <BRepTools_WireExplorer.hxx> |
| 10 | #include <BRep_Tool.hxx> |
| 11 | #include <TopoDS.hxx> |
| 12 | #include <TopoDS_Edge.hxx> |
| 13 | #include <TopExp.hxx> |
| 14 | #include <TopTools_HArray1OfShape.hxx> |
| 15 | #include <BRepFill.hxx> |
| 16 | #include <GeomFill_LocationLaw.hxx> |
| 17 | #include <GeomFill_LocationGuide.hxx> |
| 18 | |
| 19 | #include <GeomFill_HArray1OfLocationLaw.hxx> |
| 20 | #include <Geom_Curve.hxx> |
| 21 | #include <Geom_TrimmedCurve.hxx> |
| 22 | #include <GeomAdaptor_HCurve.hxx> |
| 23 | #include <Approx_CurvlinFunc.hxx> |
| 24 | |
| 25 | BRepFill_ACRLaw::BRepFill_ACRLaw(const TopoDS_Wire& Path, |
| 26 | const Handle(GeomFill_LocationGuide)& theLaw) |
| 27 | { |
| 28 | Init(Path); |
| 29 | |
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30 | // calculate the nb of edge of the path |
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31 | BRepTools_WireExplorer wexp; |
| 32 | Standard_Integer NbEdge = 0; |
| 33 | for (wexp.Init(myPath); wexp.More(); wexp.Next()) NbEdge++; |
| 34 | |
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35 | // tab to memorize ACR for each edge |
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36 | OrigParam = new (TColStd_HArray1OfReal)(0,NbEdge); |
| 37 | TColStd_Array1OfReal Orig (0,NbEdge); |
| 38 | BRepFill::ComputeACR(Path, Orig); |
| 39 | |
| 40 | Standard_Integer ipath; |
| 41 | TopAbs_Orientation Or; |
| 42 | // Class BRep_Tool without fields and without Constructor : |
| 43 | // BRep_Tool B; |
| 44 | TopoDS_Edge E; |
| 45 | Handle(Geom_Curve) C; |
| 46 | Handle(GeomAdaptor_HCurve) AC; |
| 47 | Standard_Real First, Last; |
| 48 | |
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49 | // return ACR of edges of the trajectory |
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50 | OrigParam->SetValue(0,0); |
| 51 | for (ipath=1;ipath<=NbEdge;ipath++) |
| 52 | OrigParam->SetValue(ipath, Orig(ipath)); |
| 53 | |
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54 | // process each edge of the trajectory |
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55 | for (ipath=0, wexp.Init(myPath); |
| 56 | wexp.More(); wexp.Next()) { |
| 57 | E = wexp.Current(); |
| 58 | // if (!B.Degenerated(E)) { |
| 59 | if (!BRep_Tool::Degenerated(E)) { |
| 60 | ipath++; |
| 61 | myEdges->SetValue(ipath, E); |
| 62 | C = BRep_Tool::Curve(E,First,Last); |
| 63 | Or = E.Orientation(); |
| 64 | if (Or == TopAbs_REVERSED) { |
| 65 | Handle(Geom_TrimmedCurve) CBis = |
| 66 | new (Geom_TrimmedCurve) (C, First, Last); |
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67 | CBis->Reverse(); // To avoid damaging the topology |
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68 | C = CBis; |
| 69 | First = C->FirstParameter(); |
| 70 | Last = C->LastParameter(); |
| 71 | } |
| 72 | AC = new (GeomAdaptor_HCurve) (C, First, Last); |
| 73 | |
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74 | // Set the parameters for the case multi-edges |
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75 | Standard_Real t1 = OrigParam->Value(ipath-1); |
| 76 | Standard_Real t2 = OrigParam->Value(ipath); |
| 77 | Handle(GeomFill_LocationGuide) Loc; |
| 78 | Loc = Handle(GeomFill_LocationGuide)::DownCast(theLaw); |
| 79 | Loc->SetOrigine(t1,t2); |
| 80 | |
| 81 | myLaws->SetValue(ipath, Loc->Copy()); |
| 82 | myLaws->ChangeValue(ipath)->SetCurve(AC); |
| 83 | } |
| 84 | } |
| 85 | } |
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