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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. |
| 25 | class MeshVS_CommonSensitiveEntity : public Select3D_SensitiveSet |
| 26 | { |
| 27 | public: |
| 28 | |
| 29 | //! Default constructor. |
| 30 | Standard_EXPORT MeshVS_CommonSensitiveEntity (const Handle(SelectBasics_EntityOwner)& theOwner, |
| 31 | const Handle(MeshVS_Mesh)& theParentMesh, |
| 32 | const MeshVS_MeshSelectionMethod theSelMethod); |
| 33 | |
| 34 | //! Destructor. |
| 35 | Standard_EXPORT virtual ~MeshVS_CommonSensitiveEntity(); |
| 36 | |
| 37 | //! Number of elements. |
| 38 | Standard_EXPORT virtual Standard_Integer NbSubElements() Standard_OVERRIDE; |
| 39 | |
| 40 | //! Returns the amount of sub-entities of the complex entity |
| 41 | Standard_EXPORT virtual Standard_Integer Size() const Standard_OVERRIDE; |
| 42 | |
| 43 | //! Returns bounding box of sub-entity with index theIdx in sub-entity list |
| 44 | Standard_EXPORT virtual Select3D_BndBox3d Box (const Standard_Integer theIdx) const Standard_OVERRIDE; |
| 45 | |
| 46 | //! Returns geometry center of sensitive entity index theIdx along the given axis theAxis |
| 47 | Standard_EXPORT virtual Standard_Real Center (const Standard_Integer theIdx, |
| 48 | const Standard_Integer theAxis) const Standard_OVERRIDE; |
| 49 | |
| 50 | //! Swaps items with indexes theIdx1 and theIdx2 |
| 51 | Standard_EXPORT virtual void Swap (const Standard_Integer theIdx1, |
| 52 | const Standard_Integer theIdx2) Standard_OVERRIDE; |
| 53 | |
| 54 | //! Returns bounding box of the triangulation. If location |
| 55 | //! transformation is set, it will be applied |
| 56 | Standard_EXPORT virtual Select3D_BndBox3d BoundingBox() Standard_OVERRIDE; |
| 57 | |
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58 | //! Returns center of a mesh |
| 59 | Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE; |
| 60 | |
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61 | public: |
| 62 | |
| 63 | DEFINE_STANDARD_RTTIEXT (MeshVS_CommonSensitiveEntity, Select3D_SensitiveSet) |
| 64 | |
| 65 | protected: |
| 66 | |
| 67 | //! Checks whether the entity with index theIdx overlaps the current selecting volume |
| 68 | Standard_EXPORT virtual Standard_Boolean overlapsElement (SelectBasics_SelectingVolumeManager& theMgr, |
| 69 | Standard_Integer theElemIdx, |
| 70 | Standard_Real& theMatchDepth) Standard_OVERRIDE; |
| 71 | |
| 72 | //! Checks whether the entity with index theIdx is inside the current selecting volume |
| 73 | Standard_EXPORT virtual Standard_Boolean elementIsInside (SelectBasics_SelectingVolumeManager& theMgr, |
| 74 | const Standard_Integer theElemIdx) Standard_OVERRIDE; |
| 75 | |
| 76 | //! Calculates distance from the 3d projection of used-picked screen point to center of the geometry |
| 77 | Standard_EXPORT virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE; |
| 78 | |
| 79 | private: |
| 80 | |
| 81 | //! Return point for specified index. |
| 82 | gp_Pnt getVertexByIndex (const Standard_Integer theNodeIdx) const; |
| 83 | |
| 84 | private: |
| 85 | |
| 86 | Handle(MeshVS_DataSource) myDataSource; //!< mesh data source |
| 87 | NCollection_Vector<Standard_Integer> myItemIndexes; //!< indices for BVH tree reordering |
| 88 | MeshVS_MeshSelectionMethod mySelMethod; //!< selection mode |
| 89 | Standard_Integer myMaxFaceNodes; //!< maximum nodes within the element in mesh |
| 90 | gp_Pnt myCOG; //!< center of gravity |
| 91 | Select3D_BndBox3d myBndBox; //!< bounding box |
| 92 | |
| 93 | }; |
| 94 | |
| 95 | DEFINE_STANDARD_HANDLE (MeshVS_CommonSensitiveEntity, Select3D_SensitiveSet) |
| 96 | |
| 97 | #endif // _MeshVS_CommonSensitiveEntity_Header |
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