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1 | // File: MeshVS_SensitiveSegment.cxx |
| 2 | // Created: Mon Sep 29 2003 |
| 3 | // Author: Alexander SOLOVYOV and Sergey LITONIN |
| 4 | // Copyright: Open CASCADE 2003 |
| 5 | |
| 6 | #include <MeshVS_SensitiveSegment.ixx> |
| 7 | #include <Select3D_Projector.hxx> |
| 8 | #include <Bnd_Box2d.hxx> |
| 9 | #include <CSLib_Class2d.hxx> |
| 10 | #include <TopLoc_Location.hxx> |
| 11 | |
| 12 | //======================================================================= |
| 13 | // name : MeshVS_SensitiveSegment::MeshVS_SensitiveSegment |
| 14 | // Purpose : |
| 15 | //======================================================================= |
| 16 | MeshVS_SensitiveSegment::MeshVS_SensitiveSegment ( |
| 17 | const Handle(SelectBasics_EntityOwner)& theOwnerId, |
| 18 | const gp_Pnt& theFirstP, |
| 19 | const gp_Pnt& theLastP, |
| 20 | const Standard_Integer theMaxRect ) |
| 21 | : Select3D_SensitiveSegment( theOwnerId, theFirstP, theLastP, theMaxRect ) |
| 22 | { |
| 23 | myCentre.SetXYZ( ( theFirstP.XYZ() + theLastP.XYZ() ) / 2 ); |
| 24 | } |
| 25 | |
| 26 | //======================================================================= |
| 27 | // name : MeshVS_SensitiveSegment::Project |
| 28 | // Purpose : |
| 29 | //======================================================================= |
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30 | void MeshVS_SensitiveSegment::Project( const Handle(Select3D_Projector)& aProj ) |
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31 | { |
| 32 | Select3D_SensitiveSegment::Project( aProj ); |
| 33 | if ( HasLocation() ) |
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34 | aProj->Project( myCentre.Transformed( Location().Transformation() ), myProjCentre ); |
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35 | else |
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36 | aProj->Project( myCentre, myProjCentre ); |
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37 | } |
| 38 | |
| 39 | //======================================================================= |
| 40 | // name : MeshVS_SensitiveSegment::Matches |
| 41 | // Purpose : |
| 42 | //======================================================================= |
| 43 | Standard_Boolean MeshVS_SensitiveSegment::Matches( const Standard_Real XMin, |
| 44 | const Standard_Real YMin, |
| 45 | const Standard_Real XMax, |
| 46 | const Standard_Real YMax, |
| 47 | const Standard_Real aTol ) |
| 48 | { |
| 49 | Bnd_Box2d aBox; |
| 50 | aBox.Update( XMin-aTol, YMin-aTol, XMax+aTol, YMax+aTol ); |
| 51 | return !aBox.IsOut( myProjCentre ); |
| 52 | } |
| 53 | |
| 54 | //======================================================================= |
| 55 | // name : MeshVS_SensitiveSegment::Matches |
| 56 | // Purpose : |
| 57 | //======================================================================= |
| 58 | Standard_Boolean MeshVS_SensitiveSegment::Matches( const TColgp_Array1OfPnt2d& Polyline, |
| 59 | const Bnd_Box2d& aBox, |
| 60 | const Standard_Real aTol ) |
| 61 | { |
| 62 | Standard_Real Umin, Vmin, Umax, Vmax; |
| 63 | aBox.Get ( Umin,Vmin,Umax,Vmax ); |
| 64 | CSLib_Class2d aClassifier2d( Polyline, aTol, aTol, Umin, Vmin, Umax, Vmax ); |
| 65 | Standard_Integer aRes = aClassifier2d.SiDans( myProjCentre ); |
| 66 | |
| 67 | return ( aRes == 1) ; |
| 68 | } |
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