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1 | // File: MeshVS_SensitiveFace.cxx |
| 2 | // Created: Mon Sep 29 2003 |
| 3 | // Author: Alexander SOLOVYOV and Sergey LITONIN |
| 4 | // Copyright: Open CASCADE 2003 |
| 5 | |
| 6 | #include <MeshVS_SensitiveFace.ixx> |
| 7 | |
| 8 | #include <TColgp_Array1OfPnt.hxx> |
| 9 | #include <Select3D_Projector.hxx> |
| 10 | #include <CSLib_Class2d.hxx> |
| 11 | #include <TopLoc_Location.hxx> |
| 12 | |
| 13 | //======================================================================= |
| 14 | // name : MeshVS_SensitiveFace::MeshVS_SensitiveFace |
| 15 | // Purpose : |
| 16 | //======================================================================= |
| 17 | MeshVS_SensitiveFace::MeshVS_SensitiveFace ( |
| 18 | const Handle(SelectBasics_EntityOwner)& theOwnerId, |
| 19 | const TColgp_Array1OfPnt& thePnts, |
| 20 | const Select3D_TypeOfSensitivity theSensitivity ) |
| 21 | : Select3D_SensitiveFace( theOwnerId, thePnts, theSensitivity ) |
| 22 | { |
| 23 | gp_XYZ c( 0, 0, 0 ); |
| 24 | Standard_Integer nbPnts = thePnts.Upper() - thePnts.Lower() + 1; |
| 25 | for ( Standard_Integer i = thePnts.Lower(); i <= thePnts.Upper(); i++ ) |
| 26 | c += thePnts( i ).XYZ(); |
| 27 | myCentre.SetXYZ( c / nbPnts ); |
| 28 | } |
| 29 | |
| 30 | //======================================================================= |
| 31 | // name : MeshVS_SensitiveFace::Project |
| 32 | // Purpose : |
| 33 | //======================================================================= |
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34 | void MeshVS_SensitiveFace::Project( const Handle(Select3D_Projector)& aProj ) |
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35 | { |
| 36 | Select3D_SensitiveFace::Project( aProj ); |
| 37 | if ( HasLocation() ) |
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38 | aProj->Project( myCentre.Transformed( Location().Transformation() ), myProjCentre ); |
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39 | else |
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40 | aProj->Project( myCentre, myProjCentre ); |
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41 | } |
| 42 | |
| 43 | //======================================================================= |
| 44 | // name : MeshVS_SensitiveFace::Matches |
| 45 | // Purpose : |
| 46 | //======================================================================= |
| 47 | Standard_Boolean MeshVS_SensitiveFace::Matches( const Standard_Real XMin, |
| 48 | const Standard_Real YMin, |
| 49 | const Standard_Real XMax, |
| 50 | const Standard_Real YMax, |
| 51 | const Standard_Real aTol ) |
| 52 | { |
| 53 | Bnd_Box2d aBox; |
| 54 | aBox.Update( XMin-aTol, YMin-aTol, XMax+aTol, YMax+aTol ); |
| 55 | return !aBox.IsOut( myProjCentre ); |
| 56 | } |
| 57 | |
| 58 | //======================================================================= |
| 59 | // name : MeshVS_SensitiveFace::Matches |
| 60 | // Purpose : |
| 61 | //======================================================================= |
| 62 | Standard_Boolean MeshVS_SensitiveFace::Matches( const TColgp_Array1OfPnt2d& Polyline, |
| 63 | const Bnd_Box2d& aBox, |
| 64 | const Standard_Real aTol ) |
| 65 | { |
| 66 | Standard_Real Umin, Vmin, Umax, Vmax; |
| 67 | aBox.Get ( Umin,Vmin,Umax,Vmax ); |
| 68 | CSLib_Class2d aClassifier2d( Polyline, aTol, aTol, Umin, Vmin, Umax, Vmax ); |
| 69 | Standard_Integer aRes = aClassifier2d.SiDans( myProjCentre ); |
| 70 | |
| 71 | return ( aRes == 1) ; |
| 72 | } |
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