a6eb515f |
1 | // Copyright (c) 1995-1999 Matra Datavision |
973c2be1 |
2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
a6eb515f |
3 | // |
973c2be1 |
4 | // This file is part of Open CASCADE Technology software library. |
a6eb515f |
5 | // |
973c2be1 |
6 | // This library is free software; you can redistribute it and / or modify it |
7 | // under the terms of the GNU Lesser General Public version 2.1 as published |
8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
a6eb515f |
11 | // |
973c2be1 |
12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
a6eb515f |
14 | |
a6eb515f |
15 | #ifndef _AIS_RadiusDimension_HeaderFile |
16 | #define _AIS_RadiusDimension_HeaderFile |
17 | |
18 | #include <AIS.hxx> |
19 | #include <AIS_Dimension.hxx> |
a6eb515f |
20 | #include <gp_Pnt.hxx> |
60bf98ae |
21 | #include <gp_Circ.hxx> |
a6eb515f |
22 | #include <Standard.hxx> |
23 | #include <Standard_Macro.hxx> |
a6eb515f |
24 | |
60bf98ae |
25 | DEFINE_STANDARD_HANDLE (AIS_RadiusDimension,AIS_Dimension) |
26 | |
27 | //! Radius dimension. Can be constructued: |
28 | //! - On generic circle. |
29 | //! - On generic circle with user-defined anchor point on that circle. |
30 | //! - On generic shape containing geometry that can be measured |
31 | //! by diameter dimension: circle wire, arc, circular face, etc. |
32 | //! The anchor point is the location of left attachement point of |
33 | //! dimension on the circle. It can be user-specified, or computed as |
34 | //! middle point on the arc. The radius dimension always lies in the |
35 | //! plane of the measured circle. The dimension is considered as |
36 | //! invalid if the user-specified anchor point is not lying on the circle, |
37 | //! if the radius of the circle is less than Precision::Confusion(). |
38 | //! In case if the dimension is built on the arbitrary shape, |
39 | //! it can be considered as invalid if the shape does not contain |
40 | //! circle geometry. |
a6eb515f |
41 | class AIS_RadiusDimension : public AIS_Dimension |
42 | { |
43 | public: |
a6eb515f |
44 | |
60bf98ae |
45 | //! Create radius dimension for the circle geometry. |
46 | //! @param theCircle [in] the circle to measure. |
47 | Standard_EXPORT AIS_RadiusDimension (const gp_Circ& theCircle); |
48 | |
49 | //! Create radius dimension for the circle geometry and define its |
50 | //! orientation by location of the first point on that circle. |
51 | //! @param theCircle [in] the circle to measure. |
52 | //! @param theAnchorPoint [in] the point to define the position |
53 | //! of the dimension attachement on the circle. |
54 | Standard_EXPORT AIS_RadiusDimension (const gp_Circ& theCircle, |
55 | const gp_Pnt& theAnchorPoint); |
56 | |
57 | //! Create radius dimension for the arbitrary shape (if possible). |
58 | //! @param theShape [in] the shape to measure. |
59 | Standard_EXPORT AIS_RadiusDimension (const TopoDS_Shape& theShape); |
60 | |
61 | public: |
62 | |
63 | //! @return measured geometry circle. |
64 | const gp_Circ& Circle() const |
65 | { |
66 | return myCircle; |
67 | } |
68 | |
69 | //! @return anchor point on circle for radius dimension. |
70 | const gp_Pnt& AnchorPoint() const |
71 | { |
72 | return myAnchorPoint; |
73 | } |
a6eb515f |
74 | |
60bf98ae |
75 | //! @return the measured shape. |
76 | const TopoDS_Shape& Shape() const |
77 | { |
78 | return myShape; |
79 | } |
a6eb515f |
80 | |
60bf98ae |
81 | public: |
82 | |
83 | //! Measure radius of the circle. |
84 | //! The dimension will become invalid if the radius of the circle |
85 | //! is less than Precision::Confusion(). |
86 | //! @param theCircle [in] the circle to measure. |
87 | Standard_EXPORT void SetMeasuredGeometry (const gp_Circ& theCircle); |
88 | |
89 | //! Measure radius of the circle and orient the dimension so |
90 | //! the dimension lines attaches to anchor point on the circle. |
91 | //! The dimension will become invalid if the radiuss of the circle |
92 | //! is less than Precision::Confusion(). |
93 | //! @param theCircle [in] the circle to measure. |
94 | //! @param theAnchorPoint [in] the point to attach the dimension lines. |
95 | Standard_EXPORT void SetMeasuredGeometry (const gp_Circ& theCircle, |
96 | const gp_Pnt& theAnchorPoint); |
97 | |
98 | //! Measure radius on the passed shape, if applicable. |
99 | //! The dimension will become invalid if the passed shape is not |
100 | //! measurable or if measured diameter value is less than Precision::Confusion(). |
101 | //! @param theShape [in] the shape to measure. |
102 | Standard_EXPORT void SetMeasuredGeometry (const TopoDS_Shape& theShape); |
103 | |
104 | //! @return the display units string. |
105 | Standard_EXPORT virtual const TCollection_AsciiString& GetDisplayUnits () const; |
106 | |
107 | //! @return the model units string. |
108 | Standard_EXPORT virtual const TCollection_AsciiString& GetModelUnits () const; |
109 | |
110 | Standard_EXPORT virtual void SetDisplayUnits (const TCollection_AsciiString& theUnits); |
111 | |
112 | Standard_EXPORT virtual void SetModelUnits (const TCollection_AsciiString& theUnits); |
a6eb515f |
113 | |
60bf98ae |
114 | public: |
115 | |
116 | DEFINE_STANDARD_RTTI (AIS_RadiusDimension) |
a6eb515f |
117 | |
118 | protected: |
d7bffd44 |
119 | |
60bf98ae |
120 | Standard_EXPORT virtual void ComputePlane(); |
d7bffd44 |
121 | |
60bf98ae |
122 | //! Checks if anchor point and the center of the circle are on the plane. |
123 | Standard_EXPORT virtual Standard_Boolean CheckPlane (const gp_Pln& thePlane) const; |
a6eb515f |
124 | |
60bf98ae |
125 | Standard_EXPORT virtual Standard_Real ComputeValue() const; |
d7bffd44 |
126 | |
60bf98ae |
127 | Standard_EXPORT virtual void Compute (const Handle(PrsMgr_PresentationManager3d)& thePresentationManager, |
128 | const Handle(Prs3d_Presentation)& thePresentation, |
129 | const Standard_Integer theMode = 0); |
130 | |
131 | protected: |
132 | |
133 | Standard_EXPORT Standard_Boolean IsValidCircle (const gp_Circ& theCircle) const; |
134 | |
135 | Standard_EXPORT Standard_Boolean IsValidAnchor (const gp_Circ& theCircle, |
136 | const gp_Pnt& thePnt) const; |
a6eb515f |
137 | |
d7bffd44 |
138 | private: |
a6eb515f |
139 | |
60bf98ae |
140 | gp_Circ myCircle; |
141 | gp_Pnt myAnchorPoint; |
142 | TopoDS_Shape myShape; |
a6eb515f |
143 | }; |
60bf98ae |
144 | |
145 | #endif // _AIS_RadiusDimension_HeaderFile |