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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> |
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23 | #include <Standard_Type.hxx> |
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24 | #include <Standard_Type.hxx> |
25 | |
26 | #include <Select3D_SensitivePoly.hxx> |
27 | #include <Select3D_Pnt.hxx> |
28 | #include <Handle_Geom_Circle.hxx> |
29 | #include <Handle_SelectBasics_EntityOwner.hxx> |
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30 | #include <TColgp_HArray1OfPnt.hxx> |
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31 | #include <SelectMgr_SelectingVolumeManager.hxx> |
32 | #include <Select3D_TypeOfSensitivity.hxx> |
33 | |
34 | class Geom_Circle; |
35 | class Standard_ConstructionError; |
36 | class Standard_OutOfRange; |
37 | class SelectBasics_EntityOwner; |
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38 | class gp_Pnt; |
39 | class TopLoc_Location; |
40 | |
41 | |
42 | //! A framework to define sensitive 3D arcs and circles. |
43 | //! In some cases this class can raise Standard_ConstructionError and |
44 | //! Standard_OutOfRange exceptions. For more details see Select3D_SensitivePoly. |
45 | class Select3D_SensitiveCircle : public Select3D_SensitivePoly |
46 | { |
47 | public: |
48 | |
49 | //! Constructs the sensitive circle object defined by the |
50 | //! owner theOwnerId, the circle theCircle, the boolean |
51 | //! theIsFilled and the number of points theNbPnts. |
52 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
53 | const Handle(Geom_Circle)& theCircle, |
54 | const Standard_Boolean theIsFilled = Standard_False, |
55 | const Standard_Integer theNbPnts = 12); |
56 | |
57 | //! Constructs the sensitive arc object defined by the |
58 | //! owner theOwnerId, the circle theCircle, the parameters theU1 |
59 | //! and theU2, the boolean theIsFilled and the number of points theNbPnts. |
60 | //! theU1 and theU2 define the first and last points of the arc on theCircle. |
61 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
62 | const Handle(Geom_Circle)& theCircle, |
63 | const Standard_Real theU1, |
64 | const Standard_Real theU2, |
65 | const Standard_Boolean theIsFilled = Standard_False, |
66 | const Standard_Integer theNbPnts = 12); |
67 | |
68 | //! Constructs the sensitive circle object defined by the |
69 | //! owner theOwnerId, the array of triangles thePnts3d, and the boolean theIsFilled. |
70 | //! thePnts3d is an array of consecutive triangles on the |
71 | //! circle. The triangle i+1 lies on the intersection of the |
72 | //! tangents to the circle of i and i+2. Note, that the first point of thePnts3d |
73 | //! must be equal to the last point of thePnts3d. |
74 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
75 | const Handle(TColgp_HArray1OfPnt)& thePnts3d, |
76 | const Standard_Boolean theIsFilled = Standard_False); |
77 | |
78 | //! Constructs the sensitive circle object defined by the |
79 | //! owner theOwnerId, the array of points thePnts3d, and the boolean theIsFilled. |
80 | //! If the length of thePnts3d is more then 1, the first point of thePnts3d |
81 | //! must be equal to the last point of thePnts3d. |
82 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
83 | const TColgp_Array1OfPnt& thePnts3d, |
84 | const Standard_Boolean theIsFilled = Standard_False); |
85 | |
86 | //! Checks whether the circle overlaps current selecting volume |
87 | Standard_EXPORT virtual Standard_Boolean Matches (SelectBasics_SelectingVolumeManager& theMgr, |
88 | SelectBasics_PickResult& thePickResult) Standard_OVERRIDE; |
89 | |
90 | |
91 | Standard_EXPORT void ArrayBounds (Standard_Integer & theLow, Standard_Integer & theUp) const; |
92 | |
93 | Standard_EXPORT gp_Pnt GetPoint3d (const Standard_Integer thePntIdx) const; |
94 | |
95 | Standard_EXPORT virtual Handle(Select3D_SensitiveEntity) GetConnected() Standard_OVERRIDE; |
96 | |
97 | //! Returns center of the circle. If location |
98 | //! transformation is set, it will be applied |
99 | Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE; |
100 | |
101 | //! Builds BVH tree for a circle's edge segments if needed |
102 | Standard_EXPORT virtual void BVH() Standard_OVERRIDE; |
103 | |
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104 | DEFINE_STANDARD_RTTI(Select3D_SensitiveCircle, Select3D_SensitivePoly) |
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105 | |
106 | private: |
107 | |
108 | //! Computes myCenter3D as the barycenter of points from mypolyg3d |
109 | void computeCenter3D(); |
110 | |
111 | private: |
112 | |
113 | Select3D_TypeOfSensitivity mySensType; //!< True if type of selection is interior, false otherwise |
114 | gp_Pnt myCenter3D; //!< Center of a circle |
115 | Handle_Geom_Circle myCircle; //!< Points of the circle |
116 | Standard_Real myStart; //!< Sensitive arc parameter |
117 | Standard_Real myEnd; //!< Sensitive arc parameter |
118 | }; |
119 | |
120 | DEFINE_STANDARD_HANDLE(Select3D_SensitiveCircle, Select3D_SensitivePoly) |
121 | |
122 | #endif // _Select3D_SensitiveCircle_HeaderFile |