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1 | // File: DsgPrs_FilletRadiusPresentation.cxx |
| 2 | // Created: Mon Dec 8 12:00:59 1997 |
| 3 | // Author: Serguei ZARITCHNY |
| 4 | // <xab@zozox.paris1.matra-dtv.fr> |
| 5 | |
| 6 | |
| 7 | #include <DsgPrs_FilletRadiusPresentation.ixx> |
| 8 | |
| 9 | #include <gp_Lin.hxx> |
| 10 | #include <gp_Dir.hxx> |
| 11 | #include <ElCLib.hxx> |
| 12 | #include <Graphic3d_Group.hxx> |
| 13 | #include <Graphic3d_Array1OfVertex.hxx> |
| 14 | #include <Prs3d_LengthAspect.hxx> |
| 15 | #include <Prs3d_Arrow.hxx> |
| 16 | #include <Prs3d_ArrowAspect.hxx> |
| 17 | #include <Prs3d_LineAspect.hxx> |
| 18 | #include <Prs3d_Text.hxx> |
| 19 | #include <TCollection_AsciiString.hxx> |
| 20 | #include <TCollection_ExtendedString.hxx> |
| 21 | |
| 22 | #include <ElCLib.hxx> |
| 23 | |
| 24 | #include <Graphic3d_Vertex.hxx> |
| 25 | #include <Graphic3d_AspectMarker3d.hxx> |
| 26 | #include <Graphic3d_AspectLine3d.hxx> |
| 27 | #include <Aspect_TypeOfLine.hxx> |
| 28 | #include <Aspect_TypeOfMarker.hxx> |
| 29 | #include <Aspect_AspectMarker.hxx> |
| 30 | #include <Quantity_Color.hxx> |
| 31 | #include <DsgPrs.hxx> |
| 32 | #include <Precision.hxx> |
| 33 | |
| 34 | #include <Geom_Circle.hxx> |
| 35 | #include <Geom_Line.hxx> |
| 36 | #include <GeomAPI_ExtremaCurveCurve.hxx> |
| 37 | |
| 38 | //pop pour NT |
| 39 | //#if WNT |
| 40 | #include <stdio.h> |
| 41 | //#endif |
| 42 | //======================================================================= |
| 43 | //function : Add |
| 44 | //purpose : |
| 45 | //======================================================================= |
| 46 | |
| 47 | void DsgPrs_FilletRadiusPresentation::Add (const Handle(Prs3d_Presentation)& aPresentation, |
| 48 | const Handle(Prs3d_Drawer)& aDrawer, |
| 49 | const Standard_Real theval, |
| 50 | const TCollection_ExtendedString & aText, |
| 51 | const gp_Pnt & aPosition, |
| 52 | const gp_Dir & aNormalDir, |
| 53 | const gp_Pnt & aBasePnt, |
| 54 | const gp_Pnt & aFirstPoint, |
| 55 | const gp_Pnt & aSecondPoint, |
| 56 | const gp_Pnt & aCenter, |
| 57 | const DsgPrs_ArrowSide ArrowPrs, |
| 58 | const Standard_Boolean drawRevers, |
| 59 | gp_Pnt & DrawPosition, |
| 60 | gp_Pnt & EndOfArrow, |
| 61 | Handle(Geom_TrimmedCurve)& TrimCurve, |
| 62 | Standard_Boolean & HasCircle ) |
| 63 | { |
| 64 | char valcar[80]; |
| 65 | sprintf(valcar,"%5.2f",theval); |
| 66 | Standard_Real FirstParCirc, LastParCirc; |
| 67 | Standard_Boolean SpecCase; |
| 68 | gp_Dir DirOfArrow; |
| 69 | gp_Circ FilletCirc; |
| 70 | // gp_Pnt NewPosition, EndOfArrow; |
| 71 | Handle( Prs3d_LengthAspect ) LA = aDrawer->LengthAspect(); |
| 72 | Prs3d_Root::CurrentGroup( aPresentation )->SetPrimitivesAspect( LA->LineAspect()->Aspect() ); |
| 73 | Standard_Real ArrowLength = LA->Arrow1Aspect()->Length(); |
| 74 | DsgPrs::ComputeFilletRadiusPresentation( ArrowLength, |
| 75 | theval, |
| 76 | aPosition, |
| 77 | aNormalDir, |
| 78 | aFirstPoint, |
| 79 | aSecondPoint, |
| 80 | aCenter, |
| 81 | aBasePnt, |
| 82 | drawRevers, |
| 83 | SpecCase, |
| 84 | FilletCirc, |
| 85 | FirstParCirc, |
| 86 | LastParCirc, |
| 87 | EndOfArrow, |
| 88 | DirOfArrow, |
| 89 | DrawPosition //NewPosition |
| 90 | ); |
| 91 | // Creating the fillet's arc |
| 92 | if( !SpecCase ) |
| 93 | { |
| 94 | Standard_Real Alpha = Abs(LastParCirc - FirstParCirc); |
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95 | Standard_Integer NodeNumber = Max (4 , Standard_Integer (50. * Alpha / M_PI)); |
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96 | Graphic3d_Array1OfVertex ApproxArc( 0, NodeNumber-1 ); |
| 97 | Standard_Real delta = Alpha / ( NodeNumber - 1 ); |
| 98 | gp_Pnt CurPnt; |
| 99 | for (Standard_Integer i = 0 ; i < NodeNumber; i++) |
| 100 | { |
| 101 | CurPnt = ElCLib::Value( FirstParCirc, FilletCirc ); |
| 102 | ApproxArc(i).SetCoord( CurPnt.X(), CurPnt.Y(), CurPnt.Z() ); |
| 103 | FirstParCirc += delta ; |
| 104 | } |
| 105 | Prs3d_Root::CurrentGroup( aPresentation )->Polyline( ApproxArc ); |
| 106 | HasCircle = Standard_True; |
| 107 | Handle(Geom_Circle) Circle = new Geom_Circle( FilletCirc ); |
| 108 | TrimCurve = new Geom_TrimmedCurve( Circle, FirstParCirc, LastParCirc ); |
| 109 | } |
| 110 | else // null or PI anle or Radius = 0 |
| 111 | { |
| 112 | HasCircle = Standard_False; |
| 113 | } |
| 114 | |
| 115 | // Line from position to intersection point on fillet's circle (EndOfArrow) |
| 116 | Graphic3d_Array1OfVertex Vrap(1,2); |
| 117 | Vrap(1).SetCoord(DrawPosition.X(), |
| 118 | DrawPosition.Y(), |
| 119 | DrawPosition.Z()); |
| 120 | Vrap(2).SetCoord( EndOfArrow.X(), EndOfArrow.Y(), EndOfArrow.Z() ); |
| 121 | Prs3d_Root::CurrentGroup( aPresentation )->Polyline( Vrap ); |
| 122 | // Drawing the text |
| 123 | Prs3d_Text::Draw(aPresentation, LA->TextAspect(), aText, DrawPosition); |
| 124 | |
| 125 | // Add presentation of arrows |
| 126 | DsgPrs::ComputeSymbol( aPresentation, LA, EndOfArrow, EndOfArrow, DirOfArrow, DirOfArrow, ArrowPrs ); |
| 127 | |
| 128 | } |
| 129 | |
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