| 1 | // Created on: 1996-02-06 |
| 2 | // Created by: Robert COUBLANC |
| 3 | // Copyright (c) 1996-1999 Matra Datavision |
| 4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 5 | // |
| 6 | // This file is part of Open CASCADE Technology software library. |
| 7 | // |
| 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. |
| 13 | // |
| 14 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 15 | // commercial license or contractual agreement. |
| 16 | |
| 17 | // Modified Tue Apr 14 1998 by rob : fix Bug : Case of Null Radius Circle... |
| 18 | |
| 19 | #ifndef _Select3D_SensitiveCircle_HeaderFile |
| 20 | #define _Select3D_SensitiveCircle_HeaderFile |
| 21 | |
| 22 | #include <Standard.hxx> |
| 23 | #include <Standard_Type.hxx> |
| 24 | #include <Standard_Type.hxx> |
| 25 | |
| 26 | #include <Select3D_SensitivePoly.hxx> |
| 27 | #include <Select3D_Pnt.hxx> |
| 28 | #include <TColgp_HArray1OfPnt.hxx> |
| 29 | #include <SelectMgr_SelectingVolumeManager.hxx> |
| 30 | #include <Select3D_TypeOfSensitivity.hxx> |
| 31 | |
| 32 | class Geom_Circle; |
| 33 | class Standard_ConstructionError; |
| 34 | class Standard_OutOfRange; |
| 35 | class SelectBasics_EntityOwner; |
| 36 | class gp_Pnt; |
| 37 | class TopLoc_Location; |
| 38 | |
| 39 | |
| 40 | //! A framework to define sensitive 3D arcs and circles. |
| 41 | //! In some cases this class can raise Standard_ConstructionError and |
| 42 | //! Standard_OutOfRange exceptions. For more details see Select3D_SensitivePoly. |
| 43 | class Select3D_SensitiveCircle : public Select3D_SensitivePoly |
| 44 | { |
| 45 | public: |
| 46 | |
| 47 | //! Constructs the sensitive circle object defined by the |
| 48 | //! owner theOwnerId, the circle theCircle, the boolean |
| 49 | //! theIsFilled and the number of points theNbPnts. |
| 50 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
| 51 | const Handle(Geom_Circle)& theCircle, |
| 52 | const Standard_Boolean theIsFilled = Standard_False, |
| 53 | const Standard_Integer theNbPnts = 12); |
| 54 | |
| 55 | //! Constructs the sensitive arc object defined by the |
| 56 | //! owner theOwnerId, the circle theCircle, the parameters theU1 |
| 57 | //! and theU2, the boolean theIsFilled and the number of points theNbPnts. |
| 58 | //! theU1 and theU2 define the first and last points of the arc on theCircle. |
| 59 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
| 60 | const Handle(Geom_Circle)& theCircle, |
| 61 | const Standard_Real theU1, |
| 62 | const Standard_Real theU2, |
| 63 | const Standard_Boolean theIsFilled = Standard_False, |
| 64 | const Standard_Integer theNbPnts = 12); |
| 65 | |
| 66 | //! Constructs the sensitive circle object defined by the |
| 67 | //! owner theOwnerId, the array of triangles thePnts3d, and the boolean theIsFilled. |
| 68 | //! thePnts3d is an array of consecutive triangles on the |
| 69 | //! circle. The triangle i+1 lies on the intersection of the |
| 70 | //! tangents to the circle of i and i+2. Note, that the first point of thePnts3d |
| 71 | //! must be equal to the last point of thePnts3d. |
| 72 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
| 73 | const Handle(TColgp_HArray1OfPnt)& thePnts3d, |
| 74 | const Standard_Boolean theIsFilled = Standard_False); |
| 75 | |
| 76 | //! Constructs the sensitive circle object defined by the |
| 77 | //! owner theOwnerId, the array of points thePnts3d, and the boolean theIsFilled. |
| 78 | //! If the length of thePnts3d is more then 1, the first point of thePnts3d |
| 79 | //! must be equal to the last point of thePnts3d. |
| 80 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
| 81 | const TColgp_Array1OfPnt& thePnts3d, |
| 82 | const Standard_Boolean theIsFilled = Standard_False); |
| 83 | |
| 84 | //! Checks whether the circle overlaps current selecting volume |
| 85 | Standard_EXPORT virtual Standard_Boolean Matches (SelectBasics_SelectingVolumeManager& theMgr, |
| 86 | SelectBasics_PickResult& thePickResult) Standard_OVERRIDE; |
| 87 | |
| 88 | |
| 89 | Standard_EXPORT void ArrayBounds (Standard_Integer & theLow, Standard_Integer & theUp) const; |
| 90 | |
| 91 | Standard_EXPORT gp_Pnt GetPoint3d (const Standard_Integer thePntIdx) const; |
| 92 | |
| 93 | Standard_EXPORT virtual Handle(Select3D_SensitiveEntity) GetConnected() Standard_OVERRIDE; |
| 94 | |
| 95 | //! Returns center of the circle. If location |
| 96 | //! transformation is set, it will be applied |
| 97 | Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE; |
| 98 | |
| 99 | //! Builds BVH tree for a circle's edge segments if needed |
| 100 | Standard_EXPORT virtual void BVH() Standard_OVERRIDE; |
| 101 | |
| 102 | DEFINE_STANDARD_RTTIEXT(Select3D_SensitiveCircle,Select3D_SensitivePoly) |
| 103 | |
| 104 | protected: |
| 105 | |
| 106 | //! Calculates distance from the 3d projection of used-picked screen point |
| 107 | //! to center of the geometry |
| 108 | virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE; |
| 109 | |
| 110 | private: |
| 111 | |
| 112 | //! Computes myCenter3D as the barycenter of points from mypolyg3d |
| 113 | void computeCenter3D(); |
| 114 | |
| 115 | private: |
| 116 | |
| 117 | Select3D_TypeOfSensitivity mySensType; //!< True if type of selection is interior, false otherwise |
| 118 | gp_Pnt myCenter3D; //!< Center of a circle |
| 119 | Handle(Geom_Circle) myCircle; //!< Points of the circle |
| 120 | Standard_Real myStart; //!< Sensitive arc parameter |
| 121 | Standard_Real myEnd; //!< Sensitive arc parameter |
| 122 | }; |
| 123 | |
| 124 | DEFINE_STANDARD_HANDLE(Select3D_SensitiveCircle, Select3D_SensitivePoly) |
| 125 | |
| 126 | #endif // _Select3D_SensitiveCircle_HeaderFile |