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b311480e | 1 | // Created on: 1998-01-22 |
2 | // Created by: Sergey ZARITCHNY | |
3 | // Copyright (c) 1998-1999 Matra Datavision | |
4 | // Copyright (c) 1999-2012 OPEN CASCADE SAS | |
5 | // | |
6 | // The content of this file is subject to the Open CASCADE Technology Public | |
7 | // License Version 6.5 (the "License"). You may not use the content of this file | |
8 | // except in compliance with the License. Please obtain a copy of the License | |
9 | // at http://www.opencascade.org and read it completely before using this file. | |
10 | // | |
11 | // The Initial Developer of the Original Code is Open CASCADE S.A.S., having its | |
12 | // main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France. | |
13 | // | |
14 | // The Original Code and all software distributed under the License is | |
15 | // distributed on an "AS IS" basis, without warranty of any kind, and the | |
16 | // Initial Developer hereby disclaims all such warranties, including without | |
17 | // limitation, any warranties of merchantability, fitness for a particular | |
18 | // purpose or non-infringement. Please see the License for the specific terms | |
19 | // and conditions governing the rights and limitations under the License. | |
20 | ||
7fd59977 | 21 | |
22 | ||
23 | #include <AIS_EllipseRadiusDimension.ixx> | |
24 | ||
25 | #include <TCollection_ExtendedString.hxx> | |
26 | ||
27 | #include <ElCLib.hxx> | |
28 | #include <ElSLib.hxx> | |
29 | ||
30 | #include <TopoDS.hxx> | |
31 | ||
32 | #include <BRepAdaptor_Surface.hxx> | |
33 | #include <BRepAdaptor_Curve.hxx> | |
34 | ||
35 | #include <Geom_Ellipse.hxx> | |
36 | #include <Geom_TrimmedCurve.hxx> | |
37 | #include <Geom_Plane.hxx> | |
38 | #include <Geom_Surface.hxx> | |
39 | #include <Geom_CylindricalSurface.hxx> | |
40 | #include <Geom_SurfaceOfRevolution.hxx> | |
41 | #include <Geom_CylindricalSurface.hxx> | |
42 | #include <Geom_SurfaceOfLinearExtrusion.hxx> | |
43 | #include <GeomAPI_ExtremaCurveCurve.hxx> | |
44 | #include <Geom_Line.hxx> | |
45 | #include <GeomAPI.hxx> | |
46 | ||
47 | #include <gp_Pln.hxx> | |
48 | #include <gp_Pnt.hxx> | |
49 | #include <gp_Lin.hxx> | |
50 | #include <gp_Ax1.hxx> | |
51 | #include <gp_Dir.hxx> | |
52 | #include <gp_Vec.hxx> | |
53 | #include <gp_Elips.hxx> | |
54 | ||
55 | #include <AIS.hxx> | |
56 | ||
57 | #include <Precision.hxx> | |
58 | ||
59 | #include <TopExp_Explorer.hxx> | |
60 | ||
61 | //======================================================================= | |
62 | //function : AIS_EllipseRadiusDimension | |
63 | //purpose : | |
64 | //======================================================================= | |
65 | ||
66 | AIS_EllipseRadiusDimension::AIS_EllipseRadiusDimension(const TopoDS_Shape& aShape, | |
67 | const TCollection_ExtendedString& aText) | |
68 | :AIS_Relation() | |
69 | { | |
70 | myFShape = aShape; | |
71 | myText = aText; | |
72 | // ComputeGeometry( ); | |
73 | } | |
74 | ||
75 | //======================================================================= | |
76 | //function : ComputeGeometry | |
77 | //purpose : | |
78 | //======================================================================= | |
79 | ||
80 | void AIS_EllipseRadiusDimension::ComputeGeometry() | |
81 | { | |
82 | ||
83 | switch (myFShape.ShapeType()) { | |
84 | case TopAbs_FACE : | |
85 | { | |
86 | // compute one face case | |
87 | ComputeFaceGeometry (); | |
88 | break; | |
89 | } | |
90 | case TopAbs_EDGE: | |
91 | { | |
92 | ComputeEdgeGeometry (); | |
93 | break; | |
94 | } | |
95 | default: | |
96 | break; | |
97 | } | |
c6541a0c D |
98 | while (myFirstPar > 2*M_PI) myFirstPar -= 2*M_PI; |
99 | while (myLastPar > 2*M_PI) myLastPar -= 2*M_PI; | |
100 | while (myFirstPar < 0.0) myFirstPar += 2*M_PI; | |
101 | while (myLastPar < 0.0) myLastPar += 2*M_PI; | |
7fd59977 | 102 | } |
103 | ||
104 | //======================================================================= | |
105 | //function : ComputeFaceGeometry | |
106 | //purpose : | |
107 | //======================================================================= | |
108 | ||
109 | void AIS_EllipseRadiusDimension::ComputeFaceGeometry() | |
110 | { | |
111 | ||
112 | gp_Pln aPln; | |
113 | Handle( Geom_Surface ) aBasisSurf; | |
114 | AIS_KindOfSurface aSurfType; | |
115 | Standard_Real Offset; | |
116 | AIS::GetPlaneFromFace( TopoDS::Face( myFShape), | |
117 | aPln, | |
118 | aBasisSurf, | |
119 | aSurfType, | |
120 | Offset ) ; | |
121 | ||
122 | if ( aSurfType == AIS_KOS_Plane ) | |
123 | ComputePlanarFaceGeometry( ); | |
124 | else | |
125 | ComputeCylFaceGeometry( aSurfType, aBasisSurf, Offset ); | |
126 | ||
127 | } | |
128 | ||
129 | //======================================================================= | |
130 | //function : ComputeCylFaceGeometry | |
131 | //purpose : defines Ellipse and plane of dimension | |
132 | //======================================================================= | |
133 | ||
134 | void AIS_EllipseRadiusDimension::ComputeCylFaceGeometry(const AIS_KindOfSurface aSurfType, | |
135 | const Handle( Geom_Surface )& aBasisSurf, | |
136 | const Standard_Real Offset) | |
137 | { | |
138 | ||
139 | BRepAdaptor_Surface surf1(TopoDS::Face(myFShape)); | |
140 | Standard_Real vFirst, vLast; | |
141 | vFirst = surf1.FirstVParameter(); | |
142 | vLast = surf1.LastVParameter(); | |
143 | Standard_Real vMid = (vFirst + vLast)*0.5; | |
144 | gp_Pln aPlane; | |
145 | gp_Ax1 Axis; | |
146 | // Standard_Real Param; | |
147 | if (aSurfType == AIS_KOS_Extrusion) | |
148 | { | |
149 | Axis.SetDirection((Handle( Geom_SurfaceOfLinearExtrusion )::DownCast( aBasisSurf )) | |
150 | ->Direction() ); | |
151 | Axis.SetLocation( gp_Pnt((Handle( Geom_SurfaceOfLinearExtrusion )::DownCast( aBasisSurf )) | |
152 | ->Direction().XYZ() ) ); | |
153 | ||
154 | aPlane.SetAxis(Axis); | |
155 | aPlane.SetLocation(myEllipse.Location()); | |
156 | myPlane = new Geom_Plane(aPlane); | |
157 | ||
158 | Handle(Geom_Curve) aCurve; | |
159 | aCurve = aBasisSurf->VIso(vMid); | |
160 | if (aCurve->DynamicType() == STANDARD_TYPE(Geom_Ellipse)) | |
161 | { | |
162 | myEllipse = Handle(Geom_Ellipse)::DownCast(aCurve)-> Elips();//gp_Elips | |
163 | myIsAnArc = Standard_False; | |
164 | } | |
165 | else if (aCurve->DynamicType() == STANDARD_TYPE(Geom_TrimmedCurve)) { | |
166 | Handle(Geom_TrimmedCurve) tCurve = Handle(Geom_TrimmedCurve)::DownCast(aCurve); | |
167 | aCurve = tCurve->BasisCurve(); | |
168 | myFirstPar = tCurve->FirstParameter(); | |
169 | myLastPar = tCurve->LastParameter(); | |
170 | myIsAnArc = Standard_True; | |
171 | if (aCurve->DynamicType() == STANDARD_TYPE(Geom_Ellipse)) | |
172 | { | |
173 | myEllipse = Handle(Geom_Ellipse)::DownCast(aCurve)->Elips();//gp_Elips | |
174 | } | |
175 | } | |
176 | else | |
177 | { | |
178 | Standard_ConstructionError::Raise("AIS:: Not expected type of surface") ; | |
179 | return; | |
180 | } | |
181 | ||
182 | // Offset | |
183 | ||
184 | if(surf1.GetType() == GeomAbs_OffsetSurface) | |
185 | { | |
186 | if(Offset <0.0 && Abs(Offset) > myEllipse.MinorRadius ()) | |
187 | { | |
188 | Standard_ConstructionError::Raise("AIS:: Absolute value of negative offset is larger than MinorRadius"); | |
189 | return; | |
190 | } | |
191 | ||
192 | myOffsetCurve = new Geom_OffsetCurve(new Geom_Ellipse(myEllipse), Offset, | |
193 | myPlane->Pln().Axis().Direction()); | |
194 | myOffset = Offset; | |
195 | myIsOffset = Standard_True; | |
196 | gp_Elips elips = myEllipse; | |
197 | Standard_Real Val = Offset + elips.MajorRadius ();//simulation | |
198 | myEllipse.SetMajorRadius (Val); | |
199 | Val = Offset + elips.MinorRadius (); | |
200 | myEllipse.SetMinorRadius (Val); | |
201 | } | |
202 | else | |
203 | myIsOffset = Standard_False; | |
204 | } | |
205 | } | |
206 | ||
207 | ||
208 | //======================================================================= | |
209 | //function : ComputePlanarFaceGeometry | |
210 | //purpose : | |
211 | //======================================================================= | |
212 | ||
213 | void AIS_EllipseRadiusDimension::ComputePlanarFaceGeometry() | |
214 | { | |
215 | ||
216 | Standard_Boolean find = Standard_False; | |
217 | gp_Pnt ptfirst,ptend; | |
218 | TopExp_Explorer ExploEd( TopoDS::Face(myFShape), TopAbs_EDGE ); | |
219 | for ( ; ExploEd.More(); ExploEd.Next()) | |
220 | { | |
221 | TopoDS_Edge curedge = TopoDS::Edge( ExploEd.Current() ); | |
222 | Handle(Geom_Curve) curv; | |
223 | Handle(Geom_Ellipse) ellips; | |
224 | if (AIS::ComputeGeometry(curedge,curv,ptfirst,ptend)) | |
225 | { | |
226 | if (curv->DynamicType() == STANDARD_TYPE(Geom_Ellipse)) | |
227 | { | |
228 | ellips = Handle(Geom_Ellipse)::DownCast(curv); | |
229 | if ( !ellips.IsNull() ) { | |
230 | myEllipse = ellips->Elips(); | |
231 | find = Standard_True; | |
232 | break; | |
233 | } | |
234 | } | |
235 | } | |
236 | } | |
237 | if( !find ) | |
238 | { | |
239 | Standard_ConstructionError::Raise("AIS:: Curve is not an ellipsee or is Null") ; | |
240 | return; | |
241 | } | |
242 | ||
243 | if ( !ptfirst.IsEqual(ptend, Precision::Confusion()) ) | |
244 | { | |
245 | myIsAnArc = Standard_True; | |
246 | myFirstPar = ElCLib::Parameter(myEllipse, ptfirst); | |
247 | myLastPar = ElCLib::Parameter(myEllipse, ptend); | |
248 | } | |
249 | else | |
250 | myIsAnArc = Standard_False; | |
251 | ||
252 | BRepAdaptor_Surface surfAlgo (TopoDS::Face(myFShape)); | |
253 | myPlane = new Geom_Plane( surfAlgo.Plane() ); | |
254 | ||
255 | } | |
256 | ||
257 | ||
258 | ||
259 | //======================================================================= | |
260 | //function : ComputeEdgeGeometry | |
261 | //purpose : | |
262 | //======================================================================= | |
263 | ||
264 | void AIS_EllipseRadiusDimension::ComputeEdgeGeometry() | |
265 | { | |
266 | gp_Pnt ptfirst,ptend; | |
267 | Handle(Geom_Curve) curv; | |
268 | if (!AIS::ComputeGeometry(TopoDS::Edge(myFShape),curv,ptfirst,ptend)) return; | |
269 | ||
270 | Handle(Geom_Ellipse) elips = Handle(Geom_Ellipse)::DownCast(curv); | |
271 | if ( elips.IsNull()) return; | |
272 | ||
273 | myEllipse = elips->Elips(); | |
274 | gp_Pln aPlane; | |
275 | aPlane.SetPosition(gp_Ax3(myEllipse.Position())); | |
276 | myPlane = new Geom_Plane(aPlane); | |
277 | ||
278 | ||
279 | if ( ptfirst.IsEqual(ptend, Precision::Confusion()) ) { | |
280 | myIsAnArc = Standard_False; | |
281 | } | |
282 | else { | |
283 | myIsAnArc = Standard_True; | |
284 | myFirstPar = ElCLib::Parameter(myEllipse, ptfirst); | |
285 | myLastPar = ElCLib::Parameter(myEllipse, ptend); | |
286 | } | |
287 | } | |
288 | //======================================================================= | |
289 | //function : KindOfDimension | |
290 | //purpose : | |
291 | //======================================================================= | |
292 | AIS_KindOfDimension AIS_EllipseRadiusDimension::KindOfDimension() const | |
293 | { | |
294 | return AIS_KOD_ELLIPSERADIUS; | |
295 | } | |
296 | ||
297 | //======================================================================= | |
298 | //function : IsMovable | |
299 | //purpose : | |
300 | //======================================================================= | |
301 | Standard_Boolean AIS_EllipseRadiusDimension::IsMovable() const | |
302 | { | |
303 | return Standard_True; | |
304 | } |