| | 1 | // File: Select3D_Projector.lxx |
| | 2 | // Created: Thu Jul 9 12:50:25 1992 |
| | 3 | // Author: Christophe MARION |
| | 4 | // <cma@sdsun1> |
| | 5 | |
| | 6 | #include <Standard_NoSuchObject.hxx> |
| | 7 | #include <gp_Vec.hxx> |
| | 8 | #include <gp_Pnt.hxx> |
| | 9 | #include <gp_Lin.hxx> |
| | 10 | #include <V3d_View.hxx> |
| | 11 | #include <V3d.hxx> |
| | 12 | |
| | 13 | //======================================================================= |
| | 14 | //function : Perspective |
| | 15 | //purpose : |
| | 16 | //======================================================================= |
| | 17 | |
| | 18 | inline Standard_Boolean Select3D_Projector::Perspective() const |
| | 19 | { return myPersp; } |
| | 20 | |
| | 21 | //======================================================================= |
| | 22 | //function : Transformation |
| | 23 | //purpose : |
| | 24 | //======================================================================= |
| | 25 | |
| | 26 | inline const gp_GTrsf& Select3D_Projector::Transformation() const |
| | 27 | { return myGTrsf; } |
| | 28 | |
| | 29 | //======================================================================= |
| | 30 | //function : InvertedTransformation |
| | 31 | //purpose : |
| | 32 | //======================================================================= |
| | 33 | |
| | 34 | inline const gp_GTrsf& Select3D_Projector::InvertedTransformation() const |
| | 35 | { return myInvTrsf; } |
| | 36 | |
| | 37 | //======================================================================= |
| | 38 | //function : FullTransformation |
| | 39 | //purpose : |
| | 40 | //======================================================================= |
| | 41 | |
| | 42 | inline const gp_Trsf& Select3D_Projector::FullTransformation() const |
| | 43 | { return myScaledTrsf; } |
| | 44 | |
| | 45 | //======================================================================= |
| | 46 | //function : Focus |
| | 47 | //purpose : |
| | 48 | //======================================================================= |
| | 49 | |
| | 50 | inline Standard_Real Select3D_Projector::Focus() const |
| | 51 | { |
| | 52 | Standard_NoSuchObject_Raise_if(!myPersp, |
| | 53 | "Select3D_Projector::Not a Perpective"); |
| | 54 | return myFocus; |
| | 55 | } |
| | 56 | |
| | 57 | //======================================================================= |
| | 58 | //function : Transform |
| | 59 | //purpose : |
| | 60 | //======================================================================= |
| | 61 | |
| | 62 | inline void Select3D_Projector::Transform (gp_Vec& D) const |
| | 63 | { |
| | 64 | gp_XYZ coord = D.XYZ(); |
| | 65 | if (myGTrsf.Form() == gp_Identity || myGTrsf.Form() == gp_Translation) { } |
| | 66 | else if (myGTrsf.Form() == gp_PntMirror) { coord.Reverse(); } |
| | 67 | else { coord.Multiply (myGTrsf.VectorialPart()); } |
| | 68 | D.SetXYZ(coord); |
| | 69 | } |
| | 70 | |
| | 71 | //======================================================================= |
| | 72 | //function : Transform |
| | 73 | //purpose : |
| | 74 | //======================================================================= |
| | 75 | |
| | 76 | inline void Select3D_Projector::Transform (gp_Pnt& Pnt) const |
| | 77 | { |
| | 78 | gp_XYZ xyz = Pnt.XYZ(); |
| | 79 | myGTrsf.Transforms(xyz); |
| | 80 | Pnt = gp_Pnt(xyz); |
| | 81 | } |
| | 82 | |
| | 83 | |
| | 84 | inline const Handle(V3d_View)& Select3D_Projector::View() const |
| | 85 | {return myView;} |
| | 86 | |
| | 87 | inline void Select3D_Projector::Transform (gp_Lin& Lin, const gp_GTrsf& T) const |
| | 88 | { |
| | 89 | gp_Ax1 ax1 = Lin.Position(); |
| | 90 | gp_XYZ xyz = ax1.Location().XYZ(); |
| | 91 | T.Transforms(xyz); |
| | 92 | ax1.SetLocation(gp_Pnt(xyz)); |
| | 93 | gp_Dir dir = ax1.Direction(); |
| | 94 | gp_XYZ coord = dir.XYZ(); |
| | 95 | if (T.Form() == gp_Identity || T.Form() == gp_Translation) { } |
| | 96 | else if (T.Form() == gp_PntMirror) { coord.Reverse(); } |
| | 97 | else { |
| | 98 | coord.Multiply (T.VectorialPart()); |
| | 99 | Standard_Real D = coord.Modulus(); |
| | 100 | coord.Divide(D); |
| | 101 | } |
| | 102 | dir.SetXYZ(coord); |
| | 103 | ax1.SetDirection(dir); |
| | 104 | Lin.SetPosition(ax1); |
| | 105 | } |
| | 106 | |
| | 107 | inline void Select3D_Projector::Transform (gp_Pnt& Pnt, const gp_GTrsf& T) const |
| | 108 | { |
| | 109 | gp_XYZ xyz = Pnt.XYZ(); |
| | 110 | T.Transforms(xyz); |
| | 111 | Pnt = gp_Pnt(xyz); |
| | 112 | } |
| | 113 | |
| | 114 | inline Standard_Real Select3D_Projector::DepthMin() const |
| | 115 | { |
| | 116 | return myDepthMin; |
| | 117 | } |
| | 118 | |
| | 119 | inline Standard_Real Select3D_Projector::DepthMax() const |
| | 120 | { |
| | 121 | return myDepthMax; |
| | 122 | } |
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