1 // Created on: 1995-01-25
2 // Created by: Mister rmi
3 // Copyright (c) 1995-1999 Matra Datavision
4 // Copyright (c) 1999-2014 OPEN CASCADE SAS
6 // This file is part of Open CASCADE Technology software library.
8 // This library is free software; you can redistribute it and/or modify it under
9 // the terms of the GNU Lesser General Public License version 2.1 as published
10 // by the Free Software Foundation, with special exception defined in the file
11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
12 // distribution for complete text of the license and disclaimer of any warranty.
14 // Alternatively, this file may be used under the terms of Open CASCADE
15 // commercial license or contractual agreement.
17 #include <Select3D_SensitiveSegment.hxx>
19 #include <TopLoc_Location.hxx>
20 #include <Precision.hxx>
23 IMPLEMENT_STANDARD_RTTIEXT(Select3D_SensitiveSegment,Select3D_SensitiveEntity)
25 //=====================================================
27 // Purpose : Constructor
28 //=====================================================
29 Select3D_SensitiveSegment::Select3D_SensitiveSegment (const Handle(SelectBasics_EntityOwner)& theOwnerId,
30 const gp_Pnt& theFirstPnt,
31 const gp_Pnt& theLastPnt)
32 : Select3D_SensitiveEntity (theOwnerId)
34 myStart = theFirstPnt;
38 // =======================================================================
40 // purpose : Checks whether the segment overlaps current selecting volume
41 // =======================================================================
42 Standard_Boolean Select3D_SensitiveSegment::Matches (SelectBasics_SelectingVolumeManager& theMgr,
43 SelectBasics_PickResult& thePickResult)
45 thePickResult = SelectBasics_PickResult (RealLast(), RealLast());
48 if (!theMgr.IsOverlapAllowed()) // check for inclusion
50 return theMgr.Overlaps (myStart, aDepth) && theMgr.Overlaps (myEnd, aDepth);
53 if (!theMgr.Overlaps (myStart, myEnd, aDepth)) // check for overlap
55 return Standard_False;
58 thePickResult = SelectBasics_PickResult (aDepth,
59 theMgr.DistToGeometryCenter (CenterOfGeometry()));
64 //=======================================================================
65 //function : GetConnected
67 //=======================================================================
68 Handle(Select3D_SensitiveEntity) Select3D_SensitiveSegment::GetConnected()
70 Handle(Select3D_SensitiveSegment) aNewEntity =
71 new Select3D_SensitiveSegment (myOwnerId, myStart, myEnd);
76 //=======================================================================
77 // function : CenterOfGeometry
78 // purpose : Returns center of the segment. If location transformation
79 // is set, it will be applied
80 //=======================================================================
81 gp_Pnt Select3D_SensitiveSegment::CenterOfGeometry() const
83 return (myStart.XYZ() + myEnd.XYZ()) * 0.5;
86 //=======================================================================
87 // function : BoundingBox
88 // purpose : Returns bounding box of the segment. If location
89 // transformation is set, it will be applied
90 //=======================================================================
91 Select3D_BndBox3d Select3D_SensitiveSegment::BoundingBox()
93 const SelectMgr_Vec3 aMinPnt (Min (myStart.X(), myEnd.X()),
94 Min (myStart.Y(), myEnd.Y()),
95 Min (myStart.Z(), myEnd.Z()));
96 const SelectMgr_Vec3 aMaxPnt (Max (myStart.X(), myEnd.X()),
97 Max (myStart.Y(), myEnd.Y()),
98 Max (myStart.Z(), myEnd.Z()));
99 return Select3D_BndBox3d (aMinPnt, aMaxPnt);
102 //=======================================================================
103 // function : NbSubElements
104 // purpose : Returns the amount of points
105 //=======================================================================
106 Standard_Integer Select3D_SensitiveSegment::NbSubElements()