1 // Created on: 1997-05-14
2 // Created by: Robert COUBLANC
3 // Copyright (c) 1997-1999 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_SensitiveTriangle.hxx>
19 #include <Precision.hxx>
20 #include <Bnd_Box.hxx>
21 #include <TopLoc_Location.hxx>
23 IMPLEMENT_STANDARD_RTTIEXT(Select3D_SensitiveTriangle,Select3D_SensitiveEntity)
25 //==================================================
28 //==================================================
29 Select3D_SensitiveTriangle::Select3D_SensitiveTriangle (const Handle(SelectMgr_EntityOwner)& theOwnerId,
30 const gp_Pnt& thePnt0,
31 const gp_Pnt& thePnt1,
32 const gp_Pnt& thePnt2,
33 const Select3D_TypeOfSensitivity theType)
34 : Select3D_SensitiveEntity (theOwnerId),
37 myPoints[0] = thePnt0;
38 myPoints[1] = thePnt1;
39 myPoints[2] = thePnt2;
40 myCentroid = (thePnt0.XYZ() + thePnt1.XYZ() + thePnt2.XYZ()) * (1.0 / 3.0);
43 //==================================================
45 // Purpose : Checks whether the triangle overlaps
46 // current selecting volume
47 //==================================================
48 Standard_Boolean Select3D_SensitiveTriangle::Matches (SelectBasics_SelectingVolumeManager& theMgr,
49 SelectBasics_PickResult& thePickResult)
51 if (!theMgr.IsOverlapAllowed())
53 if (theMgr.GetActiveSelectionType() == SelectMgr_SelectionType_Polyline)
55 SelectBasics_PickResult aDummy;
56 return theMgr.OverlapsTriangle (myPoints[0], myPoints[1], myPoints[2], mySensType, aDummy);
58 return theMgr.OverlapsPoint (myPoints[0])
59 && theMgr.OverlapsPoint (myPoints[1])
60 && theMgr.OverlapsPoint (myPoints[2]);
63 if (!theMgr.OverlapsTriangle (myPoints[0], myPoints[1], myPoints[2], mySensType, thePickResult))
65 return Standard_False;
68 thePickResult.SetDistToGeomCenter (theMgr.DistToGeometryCenter(myCentroid));
72 //==================================================
73 // Function: GetConnected
75 //==================================================
76 Handle(Select3D_SensitiveEntity) Select3D_SensitiveTriangle::GetConnected()
78 // Create a copy of this
79 Handle(Select3D_SensitiveEntity) aNewEntity =
80 new Select3D_SensitiveTriangle (myOwnerId, myPoints[0], myPoints[1], myPoints[2], mySensType);
85 //==================================================
86 // Function: BoundingBox
87 // Purpose : Returns bounding box of the triangle.
88 // If location transformation is set, it
90 //==================================================
91 Select3D_BndBox3d Select3D_SensitiveTriangle::BoundingBox()
93 const SelectMgr_Vec3 aMinPnt = SelectMgr_Vec3 (Min (myPoints[0].X(), Min (myPoints[1].X(), myPoints[2].X())),
94 Min (myPoints[0].Y(), Min (myPoints[1].Y(), myPoints[2].Y())),
95 Min (myPoints[0].Z(), Min (myPoints[1].Z(), myPoints[2].Z())));
96 const SelectMgr_Vec3 aMaxPnt = SelectMgr_Vec3 (Max (myPoints[0].X(), Max (myPoints[1].X(), myPoints[2].X())),
97 Max (myPoints[0].Y(), Max (myPoints[1].Y(), myPoints[2].Y())),
98 Max (myPoints[0].Z(), Max (myPoints[1].Z(), myPoints[2].Z())));
99 return Select3D_BndBox3d (aMinPnt, aMaxPnt);
102 //=======================================================================
103 //function : DumpJson
105 //=======================================================================
106 void Select3D_SensitiveTriangle::DumpJson (Standard_OStream& theOStream, Standard_Integer theDepth) const
108 OCCT_DUMP_TRANSIENT_CLASS_BEGIN (theOStream)
109 OCCT_DUMP_BASE_CLASS (theOStream, theDepth, Select3D_SensitiveEntity)
111 OCCT_DUMP_FIELD_VALUE_NUMERICAL (theOStream, mySensType)
113 OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &myPoints[0])
114 OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &myPoints[1])
115 OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &myPoints[2])
117 Select3D_BndBox3d aBoundingBox = ((Select3D_SensitiveTriangle*)this)->BoundingBox();
118 OCCT_DUMP_FIELD_VALUES_DUMPED (theOStream, theDepth, &aBoundingBox)