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1 | // Copyright (c) 1995-1999 Matra Datavision |
2 | // Copyright (c) 1999-2013 OPEN CASCADE SAS |
3 | // |
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4 | // This file is part of Open CASCADE Technology software library. |
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5 | // |
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6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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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. |
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11 | // |
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12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
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14 | |
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15 | #ifndef _AIS_AngleDimension_HeaderFile |
16 | #define _AIS_AngleDimension_HeaderFile |
17 | |
18 | #include <AIS_Dimension.hxx> |
19 | #include <Geom_Plane.hxx> |
20 | #include <Geom_Line.hxx> |
21 | #include <Geom_Transformation.hxx> |
22 | #include <gp.hxx> |
23 | #include <gp_Ax1.hxx> |
24 | #include <gp_Dir.hxx> |
25 | #include <gp_Pnt.hxx> |
26 | #include <Prs3d_DimensionAspect.hxx> |
27 | #include <Prs3d_Projector.hxx> |
28 | #include <Prs3d_Presentation.hxx> |
29 | #include <Standard.hxx> |
30 | #include <Standard_Macro.hxx> |
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31 | #include <Standard_Type.hxx> |
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32 | #include <TopoDS.hxx> |
33 | #include <TopoDS_Edge.hxx> |
34 | #include <TopoDS_Face.hxx> |
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35 | #include <TopoDS_Vertex.hxx> |
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36 | |
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37 | class AIS_AngleDimension; |
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38 | DEFINE_STANDARD_HANDLE (AIS_AngleDimension, AIS_Dimension) |
39 | |
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40 | //! Angle dimension. Can be constructed: |
41 | //! - on two intersected edges. |
42 | //! - on three points or vertices. |
43 | //! - on conical face. |
44 | //! - between two intersected faces. |
45 | //! |
46 | //! In case of three points or two intersected edges the dimension plane |
47 | //! (on which dimension presentation is built) can be computed uniquely |
48 | //! as through three defined points can be built only one plane. |
49 | //! Therefore, if user-defined plane differs from this one, the dimension can't be built. |
50 | //! |
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51 | //! In cases of two planes automatic plane by default is built on point of the |
52 | //! origin of parametric space of the first face (the basis surface) so, that |
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53 | //! the working plane and two faces intersection forms minimal angle between the faces. |
54 | //! User can define the other point which the dimension plane should pass through |
55 | //! using the appropriate constructor. This point can lay on the one of the faces or not. |
56 | //! Also user can define his own plane but it should pass through the three points |
57 | //! computed on the geometry initialization step (when the constructor or SetMeasuredGeometry() method |
58 | //! is called). |
59 | //! |
60 | //! In case of the conical face the center point of the angle is the apex of the conical surface. |
61 | //! The attachment points are points of the first and the last parameter of the basis circle of the cone. |
62 | //! |
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63 | class AIS_AngleDimension : public AIS_Dimension |
64 | { |
65 | public: |
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66 | |
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67 | //! Constructs minimum angle dimension between two linear edges (where possible). |
68 | //! These two edges should be intersected by each other. Otherwise the geometry is not valid. |
69 | //! @param theFirstEdge [in] the first edge. |
70 | //! @param theSecondEdge [in] the second edge. |
71 | Standard_EXPORT AIS_AngleDimension (const TopoDS_Edge& theFirstEdge, |
72 | const TopoDS_Edge& theSecondEdge); |
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73 | |
74 | //! Constructs the angle display object defined by three points. |
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75 | //! @param theFirstPoint [in] the first point (point on first angle flyout). |
76 | //! @param theSecondPoint [in] the center point of angle dimension. |
77 | //! @param theThirdPoint [in] the second point (point on second angle flyout). |
78 | Standard_EXPORT AIS_AngleDimension (const gp_Pnt& theFirstPoint, |
79 | const gp_Pnt& theSecondPoint, |
80 | const gp_Pnt& theThirdPoint); |
81 | |
82 | //! Constructs the angle display object defined by three vertices. |
83 | //! @param theFirstVertex [in] the first vertex (vertex for first angle flyout). |
84 | //! @param theSecondVertex [in] the center vertex of angle dimension. |
85 | //! @param theThirdPoint [in] the second vertex (vertex for second angle flyout). |
86 | Standard_EXPORT AIS_AngleDimension (const TopoDS_Vertex& theFirstVertex, |
87 | const TopoDS_Vertex& theSecondVertex, |
88 | const TopoDS_Vertex& theThirdVertex); |
89 | |
90 | //! Constructs angle dimension for the cone face. |
91 | //! @param theCone [in] the conical face. |
92 | Standard_EXPORT AIS_AngleDimension (const TopoDS_Face& theCone); |
93 | |
94 | //! Constructs angle dimension between two planar faces. |
95 | //! @param theFirstFace [in] the first face. |
96 | //! @param theSecondFace [in] the second face. |
97 | Standard_EXPORT AIS_AngleDimension (const TopoDS_Face& theFirstFace, |
98 | const TopoDS_Face& theSecondFace); |
99 | |
100 | //! Constructs angle dimension between two planar faces. |
101 | //! @param theFirstFace [in] the first face. |
102 | //! @param theSecondFace [in] the second face. |
103 | //! @param thePoint [in] the point which the dimension plane should pass through. |
104 | //! This point can lay on the one of the faces or not. |
105 | Standard_EXPORT AIS_AngleDimension (const TopoDS_Face& theFirstFace, |
106 | const TopoDS_Face& theSecondFace, |
107 | const gp_Pnt& thePoint); |
108 | |
109 | public: |
110 | |
111 | //! @return first point forming the angle. |
112 | const gp_Pnt& FirstPoint() const |
113 | { |
114 | return myFirstPoint; |
115 | } |
116 | |
117 | //! @return second point forming the angle. |
118 | const gp_Pnt& SecondPoint() const |
119 | { |
120 | return mySecondPoint; |
121 | } |
122 | |
123 | //! @return center point forming the angle. |
124 | const gp_Pnt& CenterPoint() const |
125 | { |
126 | return myCenterPoint; |
127 | } |
128 | |
129 | //! @return first argument shape. |
130 | const TopoDS_Shape& FirstShape() const |
131 | { |
132 | return myFirstShape; |
133 | } |
134 | |
135 | //! @return second argument shape. |
136 | const TopoDS_Shape& SecondShape() const |
137 | { |
138 | return mySecondShape; |
139 | } |
140 | |
141 | //! @return third argument shape. |
142 | const TopoDS_Shape& ThirdShape() const |
143 | { |
144 | return myThirdShape; |
145 | } |
146 | |
147 | public: |
148 | |
149 | //! Measures minimum angle dimension between two linear edges. |
150 | //! These two edges should be intersected by each other. Otherwise the geometry is not valid. |
151 | //! @param theFirstEdge [in] the first edge. |
152 | //! @param theSecondEdge [in] the second edge. |
153 | Standard_EXPORT void SetMeasuredGeometry (const TopoDS_Edge& theFirstEdge, |
154 | const TopoDS_Edge& theSecondEdge); |
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155 | |
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156 | //! Measures angle defined by three points. |
157 | //! @param theFirstPoint [in] the first point (point on first angle flyout). |
158 | //! @param theSecondPoint [in] the center point of angle dimension. |
159 | //! @param theThirdPoint [in] the second point (point on second angle flyout). |
160 | Standard_EXPORT void SetMeasuredGeometry (const gp_Pnt& theFirstPoint, |
161 | const gp_Pnt& theSecondPoint, |
162 | const gp_Pnt& theThridPoint); |
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163 | |
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164 | //! Measures angle defined by three vertices. |
165 | //! @param theFirstVertex [in] the first vertex (vertex for first angle flyout). |
166 | //! @param theSecondVertex [in] the center vertex of angle dimension. |
167 | //! @param theThirdPoint [in] the second vertex (vertex for second angle flyout). |
168 | Standard_EXPORT void SetMeasuredGeometry (const TopoDS_Vertex& theFirstVertex, |
169 | const TopoDS_Vertex& theSecondVertex, |
170 | const TopoDS_Vertex& theThirdVertex); |
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171 | |
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172 | //! Measures angle of conical face. |
173 | //! @param theCone [in] the shape to measure. |
174 | Standard_EXPORT void SetMeasuredGeometry (const TopoDS_Face& theCone); |
175 | |
176 | //! Measures angle between two planar faces. |
177 | //! @param theFirstFace [in] the first face. |
178 | //! @param theSecondFace [in] the second face.. |
179 | Standard_EXPORT void SetMeasuredGeometry (const TopoDS_Face& theFirstFace, |
180 | const TopoDS_Face& theSecondFace); |
181 | |
182 | //! Measures angle between two planar faces. |
183 | //! @param theFirstFace [in] the first face. |
184 | //! @param theSecondFace [in] the second face. |
185 | //! @param thePoint [in] the point which the dimension plane should pass through. |
186 | //! This point can lay on the one of the faces or not. |
187 | Standard_EXPORT void SetMeasuredGeometry (const TopoDS_Face& theFirstFace, |
188 | const TopoDS_Face& theSecondFace, |
189 | const gp_Pnt& thePoint); |
190 | |
191 | //! @return the display units string. |
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192 | Standard_EXPORT virtual const TCollection_AsciiString& GetDisplayUnits() const; |
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193 | |
194 | //! @return the model units string. |
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195 | Standard_EXPORT virtual const TCollection_AsciiString& GetModelUnits() const; |
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196 | |
197 | Standard_EXPORT virtual void SetDisplayUnits (const TCollection_AsciiString& theUnits); |
198 | |
199 | Standard_EXPORT virtual void SetModelUnits (const TCollection_AsciiString& theUnits); |
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200 | |
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201 | //! Principle of horizontal text alignment settings: |
202 | //! - divide circle into two halves according to attachment points |
203 | //! - if aTextPos is between attach points -> Center + positive flyout |
204 | //! - if aTextPos is not between attach points but in this half -> Left or Right + positive flyout |
205 | //! - if aTextPos is between reflections of attach points -> Center + negative flyout |
206 | //! - if aTextPos is not between reflections of attach points -> Left or Right + negative flyout |
207 | Standard_EXPORT virtual void SetTextPosition (const gp_Pnt& theTextPos); |
208 | |
209 | Standard_EXPORT virtual const gp_Pnt GetTextPosition () const; |
210 | |
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211 | public: |
212 | |
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213 | DEFINE_STANDARD_RTTI (AIS_AngleDimension, AIS_Dimension) |
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214 | |
215 | protected: |
216 | |
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217 | //! Initialization of fields that is common to all constructors. |
218 | Standard_EXPORT void Init(); |
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219 | |
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220 | //! @param theFirstAttach [in] the first attachment point. |
221 | //! @param theSecondAttach [in] the second attachment point. |
222 | //! @param theCenter [in] the center point (center point of the angle). |
223 | //! @return the center of the dimension arc (the main dimension line in case of angle). |
224 | Standard_EXPORT gp_Pnt GetCenterOnArc (const gp_Pnt& theFirstAttach, |
225 | const gp_Pnt& theSecondAttach, |
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226 | const gp_Pnt& theCenter) const; |
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227 | |
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228 | //! Draws main dimension line (arc). |
229 | //! @param thePresentation [in] the dimension presentation. |
230 | //! @param theFirstAttach [in] the first attachment point. |
231 | //! @param theSecondAttach [in] the second attachment point. |
232 | //! @param theCenter [in] the center point (center point of the angle). |
233 | //! @param theRadius [in] the radius of the dimension arc. |
234 | //! @param theMode [in] the display mode. |
235 | Standard_EXPORT void DrawArc (const Handle(Prs3d_Presentation)& thePresentation, |
236 | const gp_Pnt& theFirstAttach, |
237 | const gp_Pnt& theSecondAttach, |
238 | const gp_Pnt& theCenter, |
239 | const Standard_Real theRadius, |
240 | const Standard_Integer theMode); |
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241 | |
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242 | //! Draws main dimension line (arc) with text. |
243 | //! @param thePresentation [in] the dimension presentation. |
244 | //! @param theFirstAttach [in] the first attachment point. |
245 | //! @param theSecondAttach [in] the second attachment point. |
246 | //! @param theCenter [in] the center point (center point of the angle). |
247 | //! @param theText [in] the text label string. |
248 | //! @param theTextWidth [in] the text label width. |
249 | //! @param theMode [in] the display mode. |
250 | //! @param theLabelPosition [in] the text label vertical and horizontal positioning option |
251 | //! respectively to the main dimension line. |
252 | Standard_EXPORT void DrawArcWithText (const Handle(Prs3d_Presentation)& thePresentation, |
253 | const gp_Pnt& theFirstAttach, |
254 | const gp_Pnt& theSecondAttach, |
255 | const gp_Pnt& theCenter, |
256 | const TCollection_ExtendedString& theText, |
257 | const Standard_Real theTextWidth, |
258 | const Standard_Integer theMode, |
259 | const Standard_Integer theLabelPosition); |
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260 | |
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261 | //! Fits text alignment relatively to the dimension line; |
262 | //! it computes the value of label position and arrow orientation |
263 | //! according set in the aspect and dimension properties. |
264 | //! @param theHorizontalTextPos [in] the horizontal alignment for text position. |
265 | //! @param theLabelPosition [out] the label position, contains bits that defines |
266 | //! vertical and horizontal alignment. (for internal usage in count text position). |
267 | //! @param theIsArrowExternal [out] is the arrows external, |
268 | //! if arrow orientation in the dimension aspect is Prs3d_DAO_Fit, it fits arrow |
269 | //! orientation automatically. |
270 | Standard_EXPORT void FitTextAlignment (const Prs3d_DimensionTextHorizontalPosition& theHorizontalTextPos, |
271 | Standard_Integer& theLabelPosition, |
272 | Standard_Boolean& theIsArrowsExternal) const; |
273 | |
274 | //! Adjusts aspect parameters according the text position: |
275 | //! extension size, vertical text alignment and flyout. |
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276 | //! @param theTextPos [in] the user defined 3d point of text position. |
277 | //! @param theExtensionSize [out] the adjusted extension size. |
278 | //! @param theAlignment [out] the horizontal label alignment. |
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279 | //! @param theFlyout [out] the adjusted value of flyout. |
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280 | Standard_EXPORT void AdjustParameters (const gp_Pnt& theTextPos, |
281 | Standard_Real& theExtensionSize, |
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282 | Prs3d_DimensionTextHorizontalPosition& theAlignment, |
283 | Standard_Real& theFlyout) const; |
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284 | |
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285 | protected: |
286 | |
287 | Standard_EXPORT virtual void ComputePlane(); |
288 | |
289 | //! Checks if the plane includes three angle points to build dimension. |
290 | Standard_EXPORT virtual Standard_Boolean CheckPlane (const gp_Pln& thePlane) const; |
291 | |
292 | Standard_EXPORT virtual Standard_Real ComputeValue() const; |
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293 | |
294 | Standard_EXPORT virtual void Compute (const Handle(PrsMgr_PresentationManager3d)& thePM, |
295 | const Handle(Prs3d_Presentation)& thePresentation, |
296 | const Standard_Integer theMode = 0); |
297 | |
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298 | Standard_EXPORT virtual void ComputeFlyoutSelection (const Handle(SelectMgr_Selection)& theSelection, |
299 | const Handle(SelectMgr_EntityOwner)& theOwner); |
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300 | |
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301 | protected: |
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302 | |
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303 | //! Init angular dimension to measure angle between two linear edges. |
304 | //! @return TRUE if the angular dimension can be constructured |
305 | //! for the passed edges. |
306 | Standard_EXPORT Standard_Boolean InitTwoEdgesAngle (gp_Pln& theComputedPlane); |
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307 | |
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308 | //! Init angular dimension to measure angle between two planar faces. |
309 | //! there is no user-defined poisitoning. So attach points are set |
310 | //! according to faces geometry (in origin of the first face basis surface). |
311 | //! @return TRUE if the angular dimension can be constructed |
312 | //! for the passed faces. |
313 | Standard_EXPORT Standard_Boolean InitTwoFacesAngle(); |
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314 | |
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315 | //! Init angular dimension to measure angle between two planar faces. |
316 | //! @param thePointOnFirstFace [in] the point which the dimension plane should pass through. |
317 | //! This point can lay on the one of the faces or not. |
318 | //! It will be projected on the first face and this point will be set |
319 | //! as the first point attach point. |
320 | //! It defines some kind of dimension positioning over the faces. |
321 | //! @return TRUE if the angular dimension can be constructed |
322 | //! for the passed faces. |
323 | Standard_EXPORT Standard_Boolean InitTwoFacesAngle (const gp_Pnt thePointOnFirstFace); |
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324 | |
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325 | //! Init angular dimension to measure cone face. |
326 | //! @return TRUE if the angular dimension can be constructed |
327 | //! for the passed cone. |
328 | Standard_EXPORT Standard_Boolean InitConeAngle(); |
329 | |
330 | //! Check that the points forming angle are valid. |
331 | //! @return TRUE if the points met the following requirements: |
332 | //! The (P1, Center), (P2, Center) can be built. |
333 | //! The angle between the vectors > Precision::Angular(). |
334 | Standard_EXPORT Standard_Boolean IsValidPoints (const gp_Pnt& theFirstPoint, |
335 | const gp_Pnt& theCenterPoint, |
336 | const gp_Pnt& theSecondPoint) const; |
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337 | |
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338 | private: |
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339 | |
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340 | gp_Pnt myFirstPoint; |
341 | gp_Pnt mySecondPoint; |
342 | gp_Pnt myCenterPoint; |
343 | TopoDS_Shape myFirstShape; |
344 | TopoDS_Shape mySecondShape; |
345 | TopoDS_Shape myThirdShape; |
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346 | }; |
347 | |
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348 | #endif // _AIS_AngleDimension_HeaderFile |