f751596e |
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 | |
f751596e |
17 | #ifndef _Select3D_SensitiveCircle_HeaderFile |
18 | #define _Select3D_SensitiveCircle_HeaderFile |
19 | |
f751596e |
20 | #include <Select3D_SensitivePoly.hxx> |
b7c077b9 |
21 | #include <TColgp_HArray1OfPnt.hxx> |
f751596e |
22 | #include <SelectMgr_SelectingVolumeManager.hxx> |
23 | #include <Select3D_TypeOfSensitivity.hxx> |
24 | |
25 | class Geom_Circle; |
26 | class Standard_ConstructionError; |
27 | class Standard_OutOfRange; |
f751596e |
28 | |
29 | //! A framework to define sensitive 3D arcs and circles. |
30 | //! In some cases this class can raise Standard_ConstructionError and |
31 | //! Standard_OutOfRange exceptions. For more details see Select3D_SensitivePoly. |
32 | class Select3D_SensitiveCircle : public Select3D_SensitivePoly |
33 | { |
0609d8ee |
34 | DEFINE_STANDARD_RTTIEXT(Select3D_SensitiveCircle, Select3D_SensitivePoly) |
f751596e |
35 | public: |
36 | |
37 | //! Constructs the sensitive circle object defined by the |
38 | //! owner theOwnerId, the circle theCircle, the boolean |
39 | //! theIsFilled and the number of points theNbPnts. |
40 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
41 | const Handle(Geom_Circle)& theCircle, |
42 | const Standard_Boolean theIsFilled = Standard_False, |
43 | const Standard_Integer theNbPnts = 12); |
44 | |
45 | //! Constructs the sensitive arc object defined by the |
46 | //! owner theOwnerId, the circle theCircle, the parameters theU1 |
47 | //! and theU2, the boolean theIsFilled and the number of points theNbPnts. |
48 | //! theU1 and theU2 define the first and last points of the arc on theCircle. |
49 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
50 | const Handle(Geom_Circle)& theCircle, |
51 | const Standard_Real theU1, |
52 | const Standard_Real theU2, |
53 | const Standard_Boolean theIsFilled = Standard_False, |
54 | const Standard_Integer theNbPnts = 12); |
55 | |
56 | //! Constructs the sensitive circle object defined by the |
57 | //! owner theOwnerId, the array of triangles thePnts3d, and the boolean theIsFilled. |
58 | //! thePnts3d is an array of consecutive triangles on the |
59 | //! circle. The triangle i+1 lies on the intersection of the |
60 | //! tangents to the circle of i and i+2. Note, that the first point of thePnts3d |
61 | //! must be equal to the last point of thePnts3d. |
62 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
63 | const Handle(TColgp_HArray1OfPnt)& thePnts3d, |
64 | const Standard_Boolean theIsFilled = Standard_False); |
65 | |
66 | //! Constructs the sensitive circle object defined by the |
67 | //! owner theOwnerId, the array of points thePnts3d, and the boolean theIsFilled. |
68 | //! If the length of thePnts3d is more then 1, the first point of thePnts3d |
69 | //! must be equal to the last point of thePnts3d. |
70 | Standard_EXPORT Select3D_SensitiveCircle (const Handle(SelectBasics_EntityOwner)& theOwnerId, |
71 | const TColgp_Array1OfPnt& thePnts3d, |
72 | const Standard_Boolean theIsFilled = Standard_False); |
73 | |
74 | //! Checks whether the circle overlaps current selecting volume |
75 | Standard_EXPORT virtual Standard_Boolean Matches (SelectBasics_SelectingVolumeManager& theMgr, |
76 | SelectBasics_PickResult& thePickResult) Standard_OVERRIDE; |
77 | |
78 | |
79 | Standard_EXPORT void ArrayBounds (Standard_Integer & theLow, Standard_Integer & theUp) const; |
80 | |
81 | Standard_EXPORT gp_Pnt GetPoint3d (const Standard_Integer thePntIdx) const; |
82 | |
83 | Standard_EXPORT virtual Handle(Select3D_SensitiveEntity) GetConnected() Standard_OVERRIDE; |
84 | |
85 | //! Returns center of the circle. If location |
86 | //! transformation is set, it will be applied |
87 | Standard_EXPORT virtual gp_Pnt CenterOfGeometry() const Standard_OVERRIDE; |
88 | |
89 | //! Builds BVH tree for a circle's edge segments if needed |
90 | Standard_EXPORT virtual void BVH() Standard_OVERRIDE; |
91 | |
7d46a9ed |
92 | protected: |
93 | |
94 | //! Calculates distance from the 3d projection of used-picked screen point |
95 | //! to center of the geometry |
25333d45 |
96 | Standard_EXPORT virtual Standard_Real distanceToCOG (SelectBasics_SelectingVolumeManager& theMgr) Standard_OVERRIDE; |
7d46a9ed |
97 | |
f751596e |
98 | private: |
99 | |
100 | //! Computes myCenter3D as the barycenter of points from mypolyg3d |
101 | void computeCenter3D(); |
102 | |
103 | private: |
104 | |
0609d8ee |
105 | Select3D_TypeOfSensitivity mySensType; //!< True if type of selection is interior, false otherwise |
106 | gp_Pnt myCenter3D; //!< Center of a circle |
107 | Handle(Geom_Circle) myCircle; //!< Points of the circle |
108 | Standard_Real myStart; //!< Sensitive arc parameter |
109 | Standard_Real myEnd; //!< Sensitive arc parameter |
f751596e |
110 | }; |
111 | |
112 | DEFINE_STANDARD_HANDLE(Select3D_SensitiveCircle, Select3D_SensitivePoly) |
113 | |
114 | #endif // _Select3D_SensitiveCircle_HeaderFile |