0031168: JT Import - cannot see properties attached to objects
[occt.git] / src / MeshVS / MeshVS_CommonSensitiveEntity.hxx
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114b7bf1 1// Created on: 2016-02-18
2// Created by: Varvara POSKONINA
3// Copyright (c) 2016 OPEN CASCADE SAS
4//
5// This file is part of Open CASCADE Technology software library.
6//
7// This library is free software; you can redistribute it and/or modify it under
8// the terms of the GNU Lesser General Public License version 2.1 as published
9// by the Free Software Foundation, with special exception defined in the file
10// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11// distribution for complete text of the license and disclaimer of any warranty.
12//
13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
15
16#ifndef _MeshVS_CommonSensitiveEntity_Header
17#define _MeshVS_CommonSensitiveEntity_Header
18
19#include <MeshVS_DataSource.hxx>
20#include <MeshVS_Mesh.hxx>
21#include <MeshVS_MeshSelectionMethod.hxx>
22#include <Select3D_SensitiveSet.hxx>
23
24//! Sensitive entity covering entire mesh for global selection.
25class MeshVS_CommonSensitiveEntity : public Select3D_SensitiveSet
26{
834f2897 27 DEFINE_STANDARD_RTTIEXT (MeshVS_CommonSensitiveEntity, Select3D_SensitiveSet)
114b7bf1 28public:
29
30 //! Default constructor.
0ef04197 31 Standard_EXPORT MeshVS_CommonSensitiveEntity (const Handle(SelectMgr_EntityOwner)& theOwner,
32 const Handle(MeshVS_Mesh)& theParentMesh,
33 const MeshVS_MeshSelectionMethod theSelMethod);
114b7bf1 34
35 //! Destructor.
36 Standard_EXPORT virtual ~MeshVS_CommonSensitiveEntity();
37
38 //! Number of elements.
39 Standard_EXPORT virtual Standard_Integer NbSubElements() Standard_OVERRIDE;
40
41 //! Returns the amount of sub-entities of the complex entity
42 Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE;
43
44 //! Returns bounding box of sub-entity with index theIdx in sub-entity list
45 Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIdx) const Standard_OVERRIDE;
46
47 //! Returns geometry center of sensitive entity index theIdx along the given axis theAxis
48 Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIdx,
49 const Standard_Integer theAxis) const Standard_OVERRIDE;
50
51 //! Swaps items with indexes theIdx1 and theIdx2
52 Standard_EXPORT virtual void Swap (const Standard_Integer theIdx1,
53 const Standard_Integer theIdx2) Standard_OVERRIDE;
54
55 //! Returns bounding box of the triangulation. If location
56 //! transformation is set, it will be applied
57 Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE;
58
41e08b4d 59 //! Returns center of a mesh
60 Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE;
61
834f2897 62 //! Create a copy.
63 virtual Handle(Select3D_SensitiveEntity) GetConnected() Standard_OVERRIDE { return new MeshVS_CommonSensitiveEntity (*this); }
114b7bf1 64
65protected:
66
67 //! Checks whether the entity with index theIdx overlaps the current selecting volume
4a056d20 68 Standard_EXPORT virtual Standard_Boolean overlapsElement (SelectBasics_PickResult& thePickResult,
69 SelectBasics_SelectingVolumeManager& theMgr,
114b7bf1 70 Standard_Integer theElemIdx,
4a056d20 71 Standard_Boolean theIsFullInside) Standard_OVERRIDE;
114b7bf1 72
73 //! Checks whether the entity with index theIdx is inside the current selecting volume
74 Standard_EXPORT virtual Standard_Boolean elementIsInside (SelectBasics_SelectingVolumeManager& theMgr,
4a056d20 75 Standard_Integer theElemIdx,
76 Standard_Boolean theIsFullInside) Standard_OVERRIDE;
114b7bf1 77
78 //! Calculates distance from the 3d projection of used-picked screen point to center of the geometry
79 Standard_EXPORT virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE;
80
834f2897 81 //! Protected copy constructor.
82 Standard_EXPORT MeshVS_CommonSensitiveEntity (const MeshVS_CommonSensitiveEntity& theOther);
83
114b7bf1 84private:
85
86 //! Return point for specified index.
87 gp_Pnt getVertexByIndex (const Standard_Integer theNodeIdx) const;
88
89private:
90
91 Handle(MeshVS_DataSource) myDataSource; //!< mesh data source
92 NCollection_Vector<Standard_Integer> myItemIndexes; //!< indices for BVH tree reordering
93 MeshVS_MeshSelectionMethod mySelMethod; //!< selection mode
94 Standard_Integer myMaxFaceNodes; //!< maximum nodes within the element in mesh
95 gp_Pnt myCOG; //!< center of gravity
96 Select3D_BndBox3d myBndBox; //!< bounding box
97
98};
99
100DEFINE_STANDARD_HANDLE (MeshVS_CommonSensitiveEntity, Select3D_SensitiveSet)
101
102#endif // _MeshVS_CommonSensitiveEntity_Header